Steep open terrain will likely have a combination of fresh soft wind slabs and old hard wind slabs. Be extra cautious in wind-affected terrain, especially along ridgetops.
Expect to find lingering wind slabs on wind-affected slopes at higher elevations, and anywhere a slab forms over a crust or surface hoar layers. Fresh slabs have developed further down slope where strong winds have transported loose snow. Identify features of concerns such as steep, convex and unsupported slopes, where triggering is more prone.
A concerning weak layer above a crust can be found 70 to 150 cm deep and is capable of producing very large avalanches. This problem has been less active recently, but we have been reminded multiple times in the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.
A concerning weak layer above a crust can be found 100 to 150 cm deep and is capable of producing very large avalanches. This problem has been less active recently, but we have been reminded multiple times in the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.
Wind slabs may remain reactive to human triggering in exposed terrain at higher elevations. Ongoing wind has continued to add to these slabs where there is still loose snow available for transport. Expect them to be most reactive in steep, unsupported terrain features or places where the slab overlies a lingering weak layer.
Rider triggerable wind slab could be found near ridge crests at treeline and above. Larger avalanches are possible in alpine terrain and upper treeline where facets exist above the late January crust.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3d0hd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tuto","text":"Cornices may remain weak from the recent warming.
A concerning weak layer of faceted grains above a melt-freeze crust is around 70 to 150 cm deep. We have been receiving reports of large, destructive avalanches on this layer every few days. We've been reminded multiple times over the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Snow loading from new snow and/or wind, daytime warming, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.
New touchy wind slabs will likely form throughout the day on Friday and Saturday. Sensitivity to triggering will be greatest where wind slab has formed over surface hoar. Strong winds could mean that wind slab could form further down slope than expected.
The early December crust can be found 100-270 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"32b7p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dvq9e","text":"Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice fall, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"141cd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2q601","text":"This deep persistent slab problem has been less active recently, but we have been reminded multiple times in the last month that this layer could remain a concern all winter.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6rtjk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2m752","text":"Cornices may become weak with sun and warming.
The recent snow loaded a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Large, wide-propagating avalanches could result where this layer is present. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"s30g","text":"The buried weak layer was reported to be present up to treeline in the Torpy Sande and Pine Pass areas and to be present in isolated areas in the Renshaw.
New snow and strong winds on Wednesday night are expected to form fresh wind slabs on lee features at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e0eu4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7s3s","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger large persistent slab avalanches that would otherwise be difficult to trigger.
Fresh slabs may become reactive as snowfall intensifies on Friday. Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"76ot6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6vgeu","text":"Cornices may remain weak from the recent warming.
The recent snow loaded a weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2300 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.
30 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and propagate far and wide. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8eglm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ak53c","text":"This layer is most reactive between 1800 and 2000m, potentially due to the presence of surface hoar on the crust, but this layer be found above and below this elevation band. Avoid avalanche terrain at this elevation and be aware of slopes above that could be remotely triggered.
New snow and shifting winds from southwest to northwest may form small wind slabs on lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ba3b","text":"Larger wind slabs may exist in the north of the region at upper elevations where the intense rain on Wednesday fell as snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7s3s","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger very large persistent slab avalanches that would otherwise be difficult to trigger.
Strong southwest wind has drifted recent snow into reactive wind slabs on lee terrain features. These wind slabs will be likely to trigger on Sunday, particularly in areas where they formed over a crust, facets, or surface hoar. Cornices have been failing naturally and triggering wind slabs on slopes below.
20 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. This problem is particularly concerning in the Duffey Lake area. Recent observations demonstrate the potential for this problem to be triggered remotely and propagate far and wide. It can be found on all aspects at treeline and is most reactive at this elevation band, but it can be found above and below.
Strong southwesterly winds may form reactive wind slabs on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jdai","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
15-20 cm of forecast snow and strong west winds on Wednesday night are expected to form fresh storm slabs sitting on a thick rain crust at all elevations. The slabs will be most reactive in wind affected terrain.
Snowfall and continual strong south to southwest wind has formed touchy wind slabs in lee terrain features. In areas sheltered from the wind, you may also find storm slabs that have developed, so assess for slab properties prior to jumping into consequential terrain features.
ight snowfall switching to rain will likely initiate natural wet loose wet avalanche activity on Tuesday. There is uncertainty about how much of the upper snowpack might become involved in avalanches and potential may exist for wet slides to gouge to the 50-60 cm-deep January crust. This would produce large, destructive avalanches. Wet slab and glide slab releases are also possible as water reaches crust layers.
Fresh and reactive storm slabs will build overnight and into Sunday. Expect deeper deposits in wind affected areas - around ridgelines and on easterly facing slopes.
Small wind slabs in isolated locations on steep terrain may remain reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e0eu4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7s3s","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger large persistent slab avalanches that would otherwise be difficult to trigger.
Continuous strong southerly winds over the past few days combined with new snow have formed reactive wind slabs on north aspects and likely cross loaded some features on west and east. Strong winds mean that wind slab could be found further down slope than expected. The largest and most sensitive wind slabs will likely be found in the White Pass area.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations.
Stormy conditions on Sunday night into Monday will rapidly form new storm and wind slabs. The slabs are likely to form quickly, with the deepest deposits found in lee terrain features from strong southwest wind. A natural avalanche cycle may occur during periods of rapid loading.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37kmf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1rvki","text":"
The recent snow loaded a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"40v3r","text":"Several avalanches on this layer were triggered from a distance away. Remote triggering is certainly a concern with this layer, watch out for adjacent and overhead slopes.
The late-January weak layer is down 20-70 cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive surface crust. However, recent snowpack tests suggest it is still reactive and capable of producing large avalanches if triggered. We have now entered a low probability, high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":351,"length":33,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUT
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar.
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 80 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
If the snow surface remains dry in the high alpine, strong westerly winds may have redistributed available snow into wind slabs in lee areas. Be aware as transition above the rain crust and avoid any wind-loaded areas.
Small wind slabs reactive to human triggers may form throughout the day if 10 cm or more of snow accumulates throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fv4ut","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egiug","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger large persistent slab avalanches that would otherwise be difficult to trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bpk4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to2","text":"
Incremental inputs of new snow accompanied by strong wind continue to form fresh wind slabs on lee features at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e0eu4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7s3s","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger large persistent slab avalanches that would otherwise be difficult to trigger.
Thin new wind slabs may have formed on Monday.
Recent wind has varied in direction so watch for wind slabs on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4b5h","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"47hog","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
The recent snow loaded a weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2300 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"foil8","text":"Several avalanches on this layer were triggered from a distance away. Remote triggering is certainly a concern with this layer, watch out for adjacent and overhead slopes.
New snow may be redistributed by northwest winds to create small but reactive pockets of wind slab in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"56tjq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"88lj3","text":"Older, hard wind slabs may exist in the alpine in the south of the region, where the new snow does not sit on a firm crust.
Fresh wind slabs are expected to form throughout the day on Wednesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jdai","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
The late-January weak layer is down 30-70 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in many areas, especially where there is a supportive surface crust. However, recent snowpack tests suggest it is still reactive and capable of producing large avalanches if triggered. We have now entered a low probability, high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":324,"length":33,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUT
Recent cold snow and strong westerly and northwesterly winds have set up wind slabs in exposed areas. The potential size of avalanches is larger in the north compared with the south.
A weak layer formed by clear skies and warm temperatures in late January may be found 50 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qd1o","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52qo7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ti3","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
The new storm snow will likely have a poor bond to the underlying old snow surfaces. Storm slabs will be reactive, especially on leeward slopes where deeper slabs exist due to wind loading. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"265s5","text":"Dry-loose sloughing and smaller avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.
Some parts of the region will see clear skies on Friday, and may see above freezing temperatures into the alpine again. Be cautious around steep slopes that are in the sun, unless you are sure the snow surface is a thick, frozen crust.
Watch for reactivity or signs of instability such as cracking or recent avalanches in wind-loaded pockets.
A weak layer formed by clear skies and warm temperatures in late January may be found 50 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5tvuq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crbv7","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
New snow will be redistributed by northwest and westerly winds to create reactive wind slab in the alpine and treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d8nco","text":"Dry loose sloughing may be seen from steeper slopes, especially where a firm crust exists below the new snow.
Recent snowfall and continual strong south to southwest wind have formed wind slabs in lee terrain features. These windslabs vary in depth, up to 60 cm thick in some places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69btn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2ufh","text":"So far, these slabs seem to have bonded well to the old surface, but large features that have been filled in by wind transport may still avalanche under the weight of a rider.
Terrain that didn't get rained on during Wednesday's storm has the potential to have received large amounts of snow with consistently strong wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b2f38","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2acl","text":"If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4dnvs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"489vm","text":"The winds are forecasted to shift to the northwest on friday, so watch for reverse loading.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":75,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"typ
Thin new wind slabs may have formed on Monday. These could be more reactive than normal given the hard crust they are sitting on.
The new storm snow will likely have a poor bond to the underlying old snow surfaces. Storm slabs will be reactive, especially on leeward slopes where deeper slabs exist due to wind loading.
A layer of surface hoar buried in early March is now 40-120 cm deep. It has surprised several skiers and machine operators recently with easy accidental and remote triggers producing large, widely propagating avalanches. Read more about how to manage this problem in our latest forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":221,"length":73,"style":"BOLD"}],"entityRanges":[{"offset":277,"length":16,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LI
Large cornices are expected with ongoing strong to extreme wind over the past week. A cornice failure has the potential to trigger a slab avalanche on the slope below.
Strong southwest wind has formed wind slabs in lee terrain features at higher elevations. Storm slabs may also be found in areas protected from the wind. These slabs may be touchiest if they are sitting on a weak layer of surface hoar or faceted snow.
A weak layer of surface hoar exists in the upper meter of the snowpack. This layer has been reactive to human triggering, including remote triggering, producing large consequential avalanches. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":132,"length":17,"key":0}],"data":{}},{"key":"bv6p7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","
Two buried weak layers remain a concern. The late-January crust/surface hoar is down 15-40 cm and the mid-January crust/facets is down 50-70 cm. The likelihood of triggering these layers could increase as the freezing levels rise. Ongoing mild temperatures could promote slab formation and increase the potential for propagation.
A weak layer of surface hoar exists in the upper meter of the snowpack. This layer has been reactive to human triggering, including remote triggering, producing large consequential avalanches. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":132,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://avalanche.ca/glossary#remote-triggered
20-50 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches earlier in the week. Treat open slopes at and below treeline with extra caution where  the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubl7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The weak layer from mid-January down 40-70 cm remains a concern in isolated areas and avalanches may still have the potential to step-down. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bal7f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vlpd","text":"The likelihood of triggering these layers  could increase as the freezing levels rise and the sun comes out. Ongoing mild temperatures could promote slab formation and increase the potential for propagation.
Terrain that didn't get rained on during Wednesday's storm still holds dry, cold snow, and moderate to strong winds have varied in direction the last few days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c5nf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4224j","text":"If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1tvon","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"are36","text":"Cornices have been reported to be quite large, and they could become weak with above zero temperatures and daytime sun, so use extra caution when travelling around or underneath them.
A layer of buried surface hoar may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be active in the Blue River area at all elevations and in the Wells Gray area below treeline. And it is present up to treeline at Mica Mountain and around Valemount.
olar-triggered loose wet avalanches may still be possible on steep slopes where a melt-freeze crust has not formed on the surface or where the surface crust breaks down during the heat of the afternoon.
Slabs may remain reactive to human triggers in wind-loaded terrain features like ridge crests and convexities.
It may be possible to find thin wind slabs in alpine terrain.
Solar-triggered loose wet avalanches may still be possible on steep slopes where a melt-freeze crust has not formed on the surface or where the surface crust breaks down during the heat of the afternoon.
Small wind slabs in isolated locations on steep terrain may remain reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fv4ut","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egiug","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger large persistent slab avalanches that would otherwise be difficult to trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bpk4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to2","text":"
20 to 70 cm of snow sits over a facet-crust weak layer combination that is still possible to human trigger. It can be found on all aspects at treeline and is most reactive at this elevation band, but it can also be found above and below. While this layer appears most reactive in the north of the region, recent avalanches have been triggered on this layer in both the north and south of the region.
A weak layer formed by clear skies in late January may be found 50 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5tvuq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crbv7","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
30 to 70 cm of snow sits over a crust/facet weak layer combination that is still possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and to propagate far and wide if triggered. This layer is most reactive between 1800 and 2000 m but should be expected above and below this elevation band.
Lingering wind slabs may remain reactive on lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jdai","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
Recent strong northeasterly winds have formed wind slabs on lee aspects below ridgetops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a8t2i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5j0ls","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Two buried weak layers remain a concern. The late-January crust/surface hoar is down 15-40 cm and the mid-January crust/facets is down 50-70 cm. The likelihood of triggering these layers could increase as the freezing levels rise.
20-50 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches over the past week. Treat open slopes at and below treeline with extra caution where  the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubl7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The weak layer from mid-January down 40-70 cm remains a concern in isolated areas and avalanches may still have the potential to step-down. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bal7f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vlpd","text":"The likelihood of triggering these layers  could increase as the freezing levels rise and the sun comes out.
Fresh wind slabs may exist in leeward (N-NE-E) terrain features in the alpine and exposed treeline. These slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uvus","text":"
Wind slabs may be found at high elevations above the rain-snow line. Use caution in steep, lee terrain features. Use particular caution if you are finding more than 20 cm of fresh snow, as the resulting slabs could be deep and touchy.
Wind direction has varied from southwest to northeast, now to northwest. The freshest wind slabs may be found on atypical aspects and features due to reverse-loading. Slabs heave been reactive and slide surprisingly far on the underlying crust. The most likely place to trigger a wind slab is near ridge crest and on unsupported or convex terrain features, where the slope rolls away from you.
Large overhanging cornices have formed. Avoid travel underneath these hazards. cornice falls can trigger slab avalanches on the slopes below.
Overhanging cornices can be found on some ridge features. Avoid traveling under these hazards.
Loose wet avalanches may still be possible on steep sun-exposed slopes where the surface crust breaks down during the heat of the afternoon.
oose wet avalanches may still be possible on steep sun-exposed slopes where the surface crust breaks down during the heat of the afternoon.
Small wind slabs may be found on lee features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ba3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f0hte","text":"Larger wind slabs may exist in the north of the region at upper elevations where the intense rain on Wednesday fell as snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7s3s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bemsf","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger very large persistent slab avalanches that would otherwise be difficult to trigger.
ecent strong northerly winds have formed wind slabs in exposed terrain at higher elevations. These wind slabs may be still reactive due to the cold temperatures, especially where they overlie a firm crust.
30-70 cm of snow sits over a crust/facet weak layer combination that is still possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and to propagate far and wide if triggered. This layer is most reactive between 1700 and 2000 m but should be expected above and below this elevation band.
Wind slabs will exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69qmk","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
Expect naturally triggered storm slabs as new snow is overlying a smooth crust. Travel is avalanche terrain is not recommended. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ck83m","text":"
Fresh slabs may form as winds redistribute recent light snowfall. These slabs are more reactive where they overlie buried surface hoar or a smooth crust.
Recent wind direction has been variable so watch for wind loading on a variety of aspects. Likely features to find wind deposited snow include ridge crests and convexities. Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
A storm slab avalanche problem will develop throughout the day as the new snow accumulates and buried the surface hoar crystals and the melt-freeze crust.
New snow is expected to adhere poorly to previous surfaces, especially where it sits over surface hoar or a crust. As a result, storm slabs are expected to be touchy and have potential for wide propagation.
Watch for fresh wind slabs forming in lee terrain features. Wind slabs will be most reactive and propagate most widely where they sit over a crust (steep solar aspects and low elevations) or a layer of surface hoar (areas in the south of the region).
Storm snow will fall on a smooth crust. In sheltered areas at treeline and below, a weak and reactive surface hoar layer sits above the crust - increasing likelihood of natural and human triggered avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eq2k5","text":"Travel in avalanche terrain is not recommended.
The storm snow is expected to form new wind slabs in exposed terrain. These will be touchy where the new snow overlies surface hoar or a crust.
The new snow is expected to be most reactive in wind loaded terrain and places where it overlies surface hoar and/or a crust. Loose dry avalanches should be expected on steep slopes where the new snow has not formed a slab.
A concerning weak layer of faceted grains above a melt-freeze crust is around 100 to 150 cm deep, which has produced large avalanches. This problem has been less active recently, but we have been reminded multiple times in the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Snow loading from new snow and/or wind, daytime warming, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer. Learn more about this crust and how to deal with it in this forecasters' blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":589,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LIN
New wind slabs will likely be limited in size but reactive due to the surfaces they are forming on. Avoid features where even a small avalanche could be consequential.
Rider triggerable wind slab could still be found at treeline and above. Sensitivity could be greater in areas where wind slab has formed over a crust, facets or surface hoar.
Previous southerly winds have formed wind slab on north aspects and cross loaded some east and west. As the wind shifts to the north it is possible that some snow could be redistributed back on to south ffacing slope.
Strong southwest winds have redistributed the recent snow into stiffer slabs at upper elevations that are likely to be human triggered. Winds are forecast to shift to the northwest overnight, so watch for freshly formed slabs on a variety of aspects. Cornices may be reaching their breaking point.
The 30-45 cm of snow that fell in the past 24 hours needs more time to bond to the underlying crust, especially in sheltered areas near and below treeline where surface hoar is preserved at the interface.
The 25-40 cm of snow that fell in the past 24 hours may need more time to bond to the underlying crust, especially in areas where surface hoar may be preserved at the interface. Storm slabs will like be larger and more reactive in wind-drifted areas at upper elevations. Winds are forecast to shift in direction, so watch for these more reactive slabs on a variety of aspects.
New snow and wind are forming fresh slabs. Wind slabs will be most reactive and propagate most widely where they sit over a crust (steep solar aspects and low elevations) or a layer of surface hoar (areas in the south of the region).
New snow is is adhering poorly to previous surfaces, especially where it sits over surface hoar or a crust. As a result, storm slabs are touchy and have potential for wide propagation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ab4m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"13k7h","text":"Loose dry avalanches run easily in wind sheltered areas where the snow hasn't formed a slab.
New snow is is adhering poorly to previous surfaces, especially where it sits over surface hoar or a crust. As a result, storm slabs are touchy and have potential for wide propagation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ekjb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4o67b","text":"Loose dry avalanches run easily in wind sheltered areas where the snow hasn't formed a slab.
New snow is is adhering poorly to previous surfaces, especially where it sits over surface hoar or a crust. As a result, storm slabs are touchy and have potential for wide propagation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2tift","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cse2r","text":"Loose dry avalanches run easily in wind sheltered areas where the snow hasn't formed a slab.
The 25-40 cm of snow that fell in the past 24 hours may need more time to bond to the underlying crust, especially in areas where surface hoar is preserved at the interface. Storm slabs will like be larger and more reactive in wind-drifted areas at upper elevations. Winds are forecast to shift in direction, so watch for these more reactive slabs on a variety of aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ck83m","text":"
The new snow is expected to be most reactive in wind loaded terrain, especially where it overlies surface hoar and/or a crust. The wind was recently blowing from the SW during the storm but has now shifted to the NW so wind slabs should be expected on most aspects.
Wind slab will exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7arjg","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
The new snow is expected to be most reactive in wind loaded terrain, especially where it overlies surface hoar and/or a crust. The wind was recently blowing from the SW during the storm but is expected to switch directions on Tuesday and wind slabs may be possible on all aspects.
Wind slabs will likely be limited in size but reactive due to the surfaces they are forming on. Avoid features where even a small avalanche could be consequential.
25-50 cm of recent snow has been redistributed into wind slabs at upper elevations. Strong to moderate winds have shifted from the southwest to the northwest making it possible to trigger these wind slabs on a range of aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ck83m","text":"
The 25-40 cm of snow that fell over the weekend has been redistributed into wind slabs at upper elevations by strong to moderate winds that shifted from the southwest to the northwest. It may be possible to trigger these wind slabs in lee terrain features, such as down-wind of ridges and roll-overs.
New storm slabs have formed from the weekend's snow, which are expected to remain triggerable by riders. The snow may overly a weak layer of surface hoar crystals. Also expect to find wind slabs in steep, lee terrain features at higher elevations.
Strong west/southwest winds will build larger slabs around terrain features like ridge lines. Storm snow will be most reactive where it overlies a smooth crust, or surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7l7cm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6tcr","text":"At lower elevations, precipitation may be mixed or fall as rain. Expect wet avalanches to be likely where heavy, wet snow exists - and where rain breaks down the crust.
The recent snow loaded a weak layer of surface hoar crystals in some areas, which is at a prime depth for human triggering. The layer is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"s30g","text":"The buried weak layer was reported to be present up to treeline in the Torpy Sande and Pine Pass areas and in isolated areas in the Renshaw. Avalanche activity on this layer was reported in the south of the region.
Around 30 cm of recent snow has formed slabs that are expected to remain reactive to riders. The snow overlies weak surface hoar, faceted grains, or a hard melt-freeze crust. Expect touchy storm slabs in areas sheltered from the wind and wind slabs in exposed terrain at higher elevations.
Between 30 and 50 cm of snow fell across the region, forming storm slabs in areas sheltered from the wind and wind slabs at in exposed terrain at higher elevations. These slabs are expected to remain reactive to riders, as they overly a widespread layer of surface hoar crystals, faceted grains, and/or a hard melt-freeze crust on sun-exposed slopes.
Fresh wind slabs will likely be reactive due to the surfaces they are forming on. Avoid features where even a small avalanche could be consequential.
Fresh reactive slabs may form over a smooth crust, and on a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3jpig","text":"The snow came with southwest winds, and winds have now shifted to the norwest - expect wind slabs on most aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"euf02","text":"
30-50 cm of recent snow has been redistributed into wind slabs at upper elevations. Strong winds have shifted from the southwest to the northwest making it possible to trigger these wind slabs on a range of aspects. Cornices are large and looming and may trigger avalanches on slopes below.
15-30 cm of recent snow has been redistributed into wind slabs at upper elevations. Strong winds have shifted from the southwest to the northwest making it possible to trigger these wind slabs on a range of aspects. Cornices are large and looming and may trigger avalanches on slopes below.
Loose wet avalanches are likely on steep slopes in areas where precipitation falls as rain or heavy, wet snow.
The new storm snow will bond poorly to the underlying old snow surfaces. Storm slabs will be reactive, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"265s5","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.
Fresh wind slabs may build with continued strong westerly winds. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7luj7","text":"Expect wind loading in unusual places, as wind direction is atypical and stronger wind speeds may load mid slope features.
Snowfall and continual strong south to southwest wind have formed touchy wind slabs in lee terrain features. In areas sheltered from the wind, you may also find storm slabs that have developed, so assess for slab properties prior to jumping into consequential terrain features.
Fresh reactive slabs may form over a smooth crust, and on a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7bc8o","text":"The snow came with southwest winds, and winds have now shifted to the northwest - expect wind slabs on most aspects.
Up to 25 cm of new snow is forecast by Wednesday afternoon. Fresh and reactive storm slabs will build with deeper and stiffer slabs on leeward slopes (N-NE-E) due to increased ridgetop wind. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2k9d","text":"Dry loose avalanches and sloughing will likely be seen on steeper terrain features, especially at lower elevations where the new snow falls on a crust.
Around 30 to 50 cm of recent snow sits above a widespread layer of weak surface hoar crystals, particularly in terrain features sheltered from the wind. Once this snow forms a cohesive slab, slab avalanches will be touchy. In steep areas where a slab hasn't formed, loose dry avalanches may result. The snow has also been blown into wind slabs in exposed terrain at high elevations.
Wind slabs are likely present on lee features at all elevations and may remain reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jdai","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c0pgr","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
New storm and wind slabs will form throughout the day on Friday. Sensitivity to triggering will be greatest on wind loaded features on north and east aspects. Strong winds mean that wind slab could be found further down slope than expected.
Around 30 to 50 cm of snow sits above a widespread weak layer of surface hoar crystals, particularly in terrain features sheltered from the wind. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cutblocks, and burns. This snow will be touchy in areas where it has formed a cohesive slab.
Terrain that didn't get rained on has the potential to have received large amounts of snow with consistently strong wind. If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4dnvs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"489vm","text":"
Storm and wind slabs have formed from 30 to 60 cm of recent snow, which will remain touchy to riders for some time. The snow sits on a widespread layer of surface hoar crystals in areas sheltered from the wind and a hard crust on sun-exposed slopes. Expect to find wind slabs in steep terrain features at high elevations.
ain has been saturating the upper snowpack. Where surface crusts fail to form and the upper snowpack remains wet, wet loose avalanches in steep terrain are possible. This potential will fade as free water drains from the upper snowpack and with the formation of surface crust.
Fresh wind slabs may form over hard snow surfaces, and over a crust on south facing features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dhlfl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b32lf","text":"Older wind slabs formed by west and northwest wind might still be reactive to human triggers, especially where they overlie feathery surface hoar.
Winds over the past few days have varied in direction. Wind slab could exist on all aspects.
20 to 40 cm of storm snow has formed fresh and reactive storm slabs. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2k9d","text":"Loose-dry avalanches and sloughing will likely be seen on steeper terrain features in the alpine/ treeline where the new snow falls on a crust.
New storm and wind slabs will form throughout the day on Friday. Sensitivity to triggering will be greatest on wind loaded features on east aspects and cross loaded features on north and south aspects. Strong winds mean that wind slab could be found further down slope than expected.
A buried crust on south facing slopes continues to be sensitive to human triggering. Short periods of sunshine may increase likelihood of triggering on south facing features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bd8","text":"A spotty layer of surface hoar buried on sheltered and shaded terrain features at treeline has also shown recent reactivity. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ai0h","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eavh0","text":"The most reactivity has been seen in Valemount and Blue River area. More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":98,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
Potential for wet loose avalanches in steep terrain may re-emerge with daytime warming on Thursday, particularly on sun-exposed slopes and with human triggers. Monitor the formation and breakdown of surface crusts to track the likelihood of this problem over the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d92j9","text":"
Forecast new snow and wind will likely build fresh wind slabs on Wednesday. They may be found on all aspects due to changing winds but especially touchy on North through Southeast aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6mf3e","text":"Dry-loose avalanches and sloughing may be seen from steeper terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6123h","text":"
Around 10 to 30 cm of recent snow sits on various surfaces, including weak surface hoar crystals and hard wind-affected snow or crusts. Storm slabs could be triggered in areas sheltered from the wind and wind slabs in exposed terrain at higher elevations.
Up to 45 cm of low-density snow was reported from the field on Wednesday. Widespread storm slabs will likely become touchy and reactive on Thursday as the storm snow becomes affected by wind and settles into a cohesive slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6mf3e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6123h","text":"
ind slabs may be found in steep, wind-exposed terrain. They may be found on all aspects due to variable wind directions. They may be particularly touchy where they sit on a layer of surface hoar crystals.
Small loose wet avalanches can be expected out of steep south-facing terrain features if the sun comes out.
25-50 cm of recent snow has been redistributed into wind slabs at upper elevations.  Variable winds over the past few days mean that wind slab could be found on all aspects.
30-50 cm of recent snow has been redistributed into wind slabs at upper elevations. variable winds over the past few days mean that wind slab could be found on all aspects. Previous strong south winds have formed large over hanging cornices that pose a significant hazard as well.
Current stormy weather will add to the existing wind slab problem. Winds have varied in direction so look for wind slab on all aspects.
30 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and to propagate far and wide. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8eglm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ak53c","text":"This layer is most reactive between 1800 and 2000m, potentially due to the presence of surface hoar on the crust, but this layer be found above and below this elevation band. Avoid avalanche terrain at this elevation and be aware of slopes above that could be remotely triggered.
New storm and wind slabs will likely have formed on Saturday. These slabs will be largest and most reactive in the southern part of the region where forecasted snowfall amounts are greatest.
20 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and propagate far and wide. It can be found on all aspects at treeline and is most reactive at this elevation band, but it can be found above and below. Recent avalanches have been triggered on this layer in both the north and south of the region.
A weak layer formed by clear skies in late January may be found 50 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
The recent snow loaded a weak layer of surface hoar crystals in some areas, which is at a prime depth for human triggering. The layer is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Large, wide-propagating avalanches could result where this layer is present. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"s30g","text":"The buried weak layer was reported to be present up to treeline in the Torpy Sande and Pine Pass areas and in isolated areas in the Renshaw. Avalanche activity on this layer was reported in the south of the region.
Terrain that didn't get rained on has the potential to have received moderate amounts of new snow with consistently strong wind. If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq8f9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eu3q2","text":"These slabs may be touchiest if they are sitting on a weak layer of surface hoar or faceted snow.
20-50 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches over the past week. Treat open slopes at and below treeline with extra caution where  the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubl7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The weak layer from mid-January down 40-70 cm remains a concern in isolated areas and avalanches may still have the potential to step-down. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bal7f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vlpd","text":"The likelihood of triggering these layers  could increase as the freezing levels rise.
The recent snow loaded a buried weak layer of surface hoar crystals. The layer may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be very active in the Blue River area at all elevations, in the Wells Gray area below treeline and it is present up to treeline at Mica Mountain and around Valemount.
40 to 60 cm of snow overlies a widespread weak layer of surface hoar crystals. The layer exists at all elevation bands and has recently been very reactive between 1500 and 2300 m on all aspects except due south, where a hard melt-freeze crust may be found. This layer will remain touchy to riders for some time. If triggered, there is potential that an avalanche could step down to a deeply buried weak layer and form very large avalanches.
New wind slabs will form throughout the day on friday at treeline and above Some wind slabs could also be found in exposed features in the upper extend of the below treeline area.
Ongoing SW through NW winds have formed reactive wind slabs over the past week. The storm on Friday is expected to form new wind slabs or continue to develop existing slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar.
Wet loose avalanches will become increasingly likely as freezing levels jump to over 3000 metres on Wednesday. Avalanches will be most likely to occur on steep slopes and with human triggers. High elevations where dry snow hasn't yet seen the effects of warming are the greatest concern.
On the western edge of the region, moderate to heavy snowfall is likely to build reactive storm slabs as temperatures rise.
As the recent snow gradually settles there will still be some unstable wind slabs on lee terrain features, especially along ridgetops.
30 to 60 cm of snow overlies a widespread weak layer of surface hoar crystals. The layer exists at all elevation bands and has recently been very reactive between 1700 and 2200 m on all aspects except due south, where a hard melt-freeze crust may be found. This layer will remain touchy to riders for some time. If triggered, there is potential that an avalanche could step down to a deeply buried weak layer and form very large avalanches.
Fresh wind slabs may build with continued strong westerly winds. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hf0l","text":"Expect wind loading in unusual places, as wind direction is atypical and stronger wind speeds may load mid slope features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"euf02","text":"
Thin new wind slabs may form on Monday. These could be more reactive than normal given the hard crust they will be sitting on.
10 to 20 cm of new snow accompanied by strong forecast northwest wind may form fresh wind slabs on Thursday. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpf50","text":"Loose-dry sloughing may be seen on steeper terrain features in the alpine/ treeline where the new snow falls on a crust.
Upwards of 45 cm of low density snow sits available for wind transport. As winds build, the recent snow will likely be transported into leeward terrain features and stiffened into slabs. These slabs are expected to be highly reactive due to a poor bond to underlying surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6mf3e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6123h","text":"
10 to 20 cm of new snow accompanied by strong wind will likely form fresh wind slabs on Friday. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar.
Fresh snow sits builds over a large and sensitive surface hoar layer, which sits on a crust on south facing slopes. Treat open slopes at treeline and below with caution - they may be more reactive and produce larger avalanches than you expect. Shooting cracks or whumpfing are clear signs to keep terrain choice conservative.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffgfm","text":"
Fresh snow sits over a large and sensitive surface hoar. On south facing aspects this may sit on a crust. Treat open slopes at treeline and below with caution - they may be more reactive and produce larger avalanches than you expect. Shooting cracks or whumpfing are clear signs to keep terrain choice conservative.
New wind and storm slabs will form throughout the day on Friday. Sensitivity to triggering will be greatest on wind loaded features on north and east aspects. Strong winds mean that wind slab could be found further down slope than expected.
round 20 to 40 cm of snow or even more in localized areas is forecast to accumulate over Friday. This snow will rapidly form storm slabs in sheltered areas and wind slabs in wind-exposed terrain. The snow will be particularly touchy where it is loading a layer of surface hoar crystals, which is most likely found in openings at and below treeline. Large, wide-propagating avalanches will result where this layer is present.
Continual stormy conditions are rapidly building storm and wind slabs. Storm totals have reached 50 to 80 cm since early February, so slabs could be deep. These slabs will be particularly touchy where they sit on weak layers. An avalanche cycle is anticipated during each strong pulse of precipitation and wind.
New snow is loading a widespread weak layer of surface hoar crystals. The layer may be found around 40 to 80 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.
The storm is loading a widespread weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer exists at all elevation bands and has recently been very reactive between 1700 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. If triggered, there is potential that an avalanche could step down to a deeply buried weak layer and form very large avalanches.
ecent winds have loaded soft slabs into isolated terrain features in the alpine. Windslabs are most reactive when they are fresh, so use extra caution if you can see blowing snow.
20-60 cm of recent storm snow will bond poorly to the underlying hard melt-freeze crust. Both natural and human-triggered storm slabs are likely, especially on leeward slopes where deeper slabs exist due to wind loading.
Continued snowfall, southwest wind and high freezing levels will keep avalanche danger high on Tuesday. Avoiding avalanche terrain and staying clear of overhead hazard is the best way to stay safe during periods of heavy snow accumulation. As the snowpack becomes saturated with rain at lower elevations, storm slabs may entrain wet loose snow and run further than expected.
torm totals may reach somewhere around 40 to 60 cm by the end of Saturday. Wind slabs will be found in lee terrain features at higher elevations from strong southwest wind. Storm slabs are found in sheltered terrain. These slabs will be particularly touchy where they are loading a weak layer of surface hoar crystals, which is most likely found in openings at and below treeline. Large, wide-propagating avalanches could result where this layer is present.
Ongoing SW through NW winds have formed reactive wind slabs over the past week. The storm on Friday is expected to form new wind slabs or continue to develop existing slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie a crust or buried surface hoar.
Fresh wind slabs may build with continued strong westerly winds and new snow. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d932","text":"Look for wind loading in unusual places, as direction has varied from northwest to southwest and stronger wind speeds may load mid slope features.
New snow is loading a widespread weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1500 and 2300 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. If triggered, there is potential that an avalanche could step down to a deeply buried weak layer and form very large avalanches.
Ongoing SW through NW winds have formed reactive wind slabs over the past few days. The storm on Friday is expected to form new wind slabs or continue to develop existing slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar.
Two buried weak layers remain a concern. The late-January crust/surface hoar is down 20-40 cm and the mid-January crust/facets is down 50-70 cm. The likelihood of triggering these layers could increase as the freezing levels rise.
New snow and wind continue to form fresh and reactive storm slabs. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar.
New snow is loading a widespread weak layer of surface hoar crystals. The layer may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.
Recent snow is loading a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer exists at all elevation bands and has recently been very reactive between 1700 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. A warming trend this weekend may further increase the potential of triggering this layer.
New snow is loading a weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. A warming trend this weekend may further increase the potential of triggering this layer.
Continual stormy conditions are rapidly building storm and wind slabs. Storm totals have reached 70 to 100 cm since early February, so slabs could be deep. These slabs will be particularly touchy where they sit on weak layers. An avalanche cycle is anticipated during each strong pulse of precipitation and wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e3j6r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgm64","text":"Heavy rain can increase the chance of natural and human triggered slab avalanches almost immediately when it falls on previously dry snow.
Strong winds are transporting upwards of 45 cm of recent low density snow into wind slabs in leeward terrain features. These slabs are expected to be highly reactive due to a poor bond to underlying surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6mf3e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6123h","text":"
Recent snow sits over a facet-crust weak layer combination that is possible to human trigger. This problem is particularly concerning in the north of the region. Recent observations demonstrate the potential for this problem to be triggered remotely and release sympathetic avalanches in adjacent terrain.
Wind slab will likely be found in exposed terrain at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4hb9s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eh4o0","text":"In areas where more than 25 cm of snow has fallen storm slabs are possible on all aspects. This is most likely to have occurred on the western side of the forecast region. Storm slabs could produce avalanches up to size 2.
Watch for pockets around ridgelines, loaded from moderate southwest winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48u0u","text":"Wind slabs may be also build over the day as east/northeast winds pick up so check for wind loading on all aspects.
The late-January weak layer is down 20-70 cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in many areas, especially where there is a supportive surface crust. However, recent snowpack tests suggest it is still reactive and capable of producing large avalanches if triggered. We have now entered a low probability, high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":351,"length":33,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUT
20-50 cm of settling snow sits over the January 30 surface hoar. Treat open slopes at and below treeline with extra caution where the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The mid January crust/facet/surface hoar layer is down 40 to 120 and could be triggered in shallow snow pack areas or by a large load such as a cornice or step down avalanche. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6f58l","text":"
15-40 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind-affected terrain; especially where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":187,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
20-50 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind-affected terrain; especially where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":187,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Watch for pockets around ridgelines, loaded from moderate southwest winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f383j","text":"Wind slabs may be also build over the day as east/northeast winds pick up so check for wind loading on all aspects.
A layer of buried surface hoar may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be very active in the Blue River area at all elevations and in the Wells Gray area below treeline. And it is present up to treeline at Mica Mountain and around Valemount.
10-40 cm of settling snow sits over the January 30 surface hoar and crust layer. This layer has produced large natural and human triggered avalanches last week. The mid January crust/facet layer is buried 50-70 cm and could be triggered in shallow snow pack areas or by a large load such as a cornice or step down avalanche.
20-40 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches over the weekend. Treat open slopes at and below treeline with extra caution where  the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubl7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The weak layer from mid-January down 40-70 cm remains a concern in isolated areas and avalanches may still have the potential to step-down. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bal7f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vlpd","text":"The likelihood of triggering these layers  could increase as the freezing levels rise.
Recent strong winds from the SW through NW have formed wind slabs in exposed terrain at higher elevations. These slabs are more reactive where they overlie buried surface hoar or a smooth crust.
Fresh wind slabs may form as winds from the west redistribute recent light snowfall. These slabs are more reactive where they overlie buried surface hoar or a smooth crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37kmf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1rvki","text":"
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 80 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bd53l","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e5vf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e4cl4","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
Terrain that didn't get rained on during Wednesday's storm still holds dry, cold snow, and moderate to strong winds have varied in direction the last few days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b2f38","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2acl","text":"If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e358e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c3jfk","text":"Cornices have been reported to be quite large, and they could become weak with above zero temperatures and daytime sun, so use extra caution when travelling around or underneath them.
10-30 cm of new snow has likely been formed into windslabs by strong southwest winds.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69btn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2ufh","text":"Expect these slabs to be reactive to the weight of a rider, especially where they are sitting on top of a crust. (below 1200 m)
New wind slabs could build throughout the day on Sunday.
Watch for pockets around ridgelines, loaded from moderate southwest winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9gss","text":"Wind slabs may be also build over the day as east/northeast winds pick up so check for wind loading on all aspects.
The new storm snow will bond poorly to the underlying old snow surfaces. Storm slabs will be reactive, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading.
30-80 cm of recent storm snow overlies the February 15th drought layer. Storm slab reactivity can be expected to persist into Sunday, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2510m","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.
Fresh slabs may form as winds from the west redistribute recent light snowfall. These slabs are more reactive where they overlie buried surface hoar or a smooth crust.
New snow and strong west winds will form fresh wind slabs reactive to human triggers on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80afj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dajcl","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
New snow and moderate west winds may form small wind slabs on lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bvbvd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9cmm","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
The recent snow loaded a widespread weak layer of surface hoar crystals. The layer may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be very active in the Blue River area at all elevations and is present up to treeline in the Wells Gray area, Mica Mountain and around Valemount.
40 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and release sympathetic avalanches in adjacent terrain. It is most reactive around 1900m.
Storm slabs will likely remain reactive to human triggers. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar.
The new snow will add to the recent snow that loaded a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Large, wide-propagating avalanches could result where this layer is present. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"s30g","text":"The buried weak layer was reported to be present from the Torpy Sande and Pine Pass areas up to treeline and can generally be expected up to treeline in the northern part of the region.
Wind slabs will likely remain sensitive to human triggers this weekend. Sensitivity could be greater in areas where storm and wind slab has formed over a crust, facets, or surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e1ija","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edebh","text":"Small loose dry avalanches may be observed in steep, wind-sheltered terrain.
The recent snow loaded a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer exists at all elevation bands and has recently been very reactive between 1700 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. A warming trend continuing on Sunday may further increase the potential of triggering this layer.
The new snow loaded a weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. A warming trend continuing on Sunday may further increase the potential of triggering this layer.
he recent storm brought around 40 to 60 cm of snow. Wind slabs will be found in lee terrain features at higher elevations from strong southwest wind. Storm slabs are found in sheltered terrain. The forecast warm temperatures will further promote slab development. These slabs will be particularly touchy where they are loading a weak layer of surface hoar crystals, which is most likely found in openings at and below treeline. Large, wide-propagating avalanches could result where this layer is present. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d17q0","text":"The presence of this buried weak layer was reported from the Torpy Sande and Pine Pass areas up to treeline and can be expected up to treeline in the northern part of the region.
The recent snow loaded a widespread weak layer of surface hoar crystals. The layer may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be very active in the Blue River area and is present up to treeline in the Wells Gray area and around Valemount.
Up to 50 cm of relatively unconsolidated snow sits over the January 30 surface hoar. With warming and sun this weekend, this snow may settle into a reactive slab. There is a lot of uncertainty regarding the timing and spatial extent of this scenario but it is expected to be most likely in the western parts of the region which received more recent snowfall. Treat open slopes at and below treeline with extra caution.
Up to 50 cm of relatively unconsolidated snow sits over the January 30 surface hoar. With warming and sun this weekend, this snow may settle into a reactive slab. There is a lot of uncertainty regarding the timing and spatial extent of this scenario but it is expected to be most likely in the eastern part of the region which received more recent snowfall. Treat open slopes at and below treeline with extra caution.
20 to 50 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. This problem is particularly concerning in the Duffy Lake area. Recent observations demonstrate the potential for this problem to be triggered remotely and propagate far and wide.
The wet loose cycle will likely continue on Sunday. Wet loose avalanches could also be observed on sun effected terrain in the alpine. Some small wet slabs could occur as well.
30 to 70 cm of snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and release sympathetic avalanches in adjacent terrain. It is most reactive between 1800 and 2000 m. Avoid avalanche terrain around this elevation band and be aware of slopes above you that could be remotely triggered.
The recent snow loaded a weak layer of surface hoar crystals, which is at a prime depth for human triggering. The layer exists at all elevation bands and has recently been very reactive between 1700 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Warm temperatures will last into Monday morning and will increase the potential of triggering this layer.
30-100 cm of recent storm snow overlies the February 15th drought layer. Storm slab reactivity can be expected to persist into Sunday, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"265s5","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.
The recent snow loaded a weak layer of surface hoar crystals found around 40 to 80 cm deep. The layer exists at all elevation bands and has recently been very reactive between 1600 and 2200 m. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns. Warm temperatures will last into Monday morning and will increase the potential of triggering this layer.
The recent snow loaded a widespread weak layer of surface hoar crystals. The layer may be found around 50 to 100 cm deep and is most prominent in areas sheltered from the wind at and below treeline. Example terrain features to particularly treat as suspect include the lee side of ridges, openings in trees, cut blocks, and burns.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333co","text":"The buried weak layer was reported to be very active in the Wells Gray area and Blue River area at all elevations and is present up to treeline at Mica Mountain and around Valemount.
Watch for pockets around ridgelines, loaded from moderate southwest winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"77n77","text":"Wind slabs may be also build over the day as east/northeast winds pick up so check for wind loading on all aspects.
This weekend's storm brought 30-100 cm of storm snow which overlies the February 15th drought layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7kmt3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"75nsm","text":"Cold temperatures may decrease the reactivity of the more widespread storm slab problem, but deeper, and stiffer slabs will exist in wind-loaded terrain, which probably remain reactive to human-triggering.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3rtga","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e2hc9","text":"Do not underestimate the influence of solar radiation on these cold days! Reactivity could increase rapidly on sun-exposed slopes when solar radiation is strong.
Small wind slabs may be found on lee features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"gh3d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7006a","text":"Larger wind slabs may exist in the north of the region at upper elevations where the intense rain on Wednesday fell as snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egiug","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7cus","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger very large persistent slab avalanches that would otherwise be difficult to trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bpk4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to2","text":"
Small reactive wind slabs are likely found near ridgetops. Slabs could be more reactive where they overlie buried surface hoar or smooth crusts.
ew wind and storm slabs will form throughout the day on Saturday. These slabs could be touchy due to the surface they are forming on. Use extra caution around ridge crests where wind slab is most likely to be found.
New snow and moderate west winds may form small wind slabs on lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"as62","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"93fqe","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
New storm and wind slabs will form throughout the day on Saturday. These slabs could be touchy due to the surfaces they will form on. The largest slabs will likely be found in the south of the region where forecasted precipitation amounts are greatest. Use extra caution near ridge crests where wind loading is likely.
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qd1o","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
New snow and shifting winds from southwest to northwest may form small reactive wind slabs on lee features at Treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"gh3d","text":"Larger wind slabs may exist in the north of the region at upper elevations where the intense rain on Wednesday fell as snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egiug","text":"Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures may trigger very large persistent slab avalanches that would otherwise be difficult to trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bpk4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to2","text":"
New snow and moderate west winds may form small wind slabs on lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"26u3p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffa28","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Strong northeast wind on Tuesday is expected to redistribute the recent storm snow into reactive wind slabs. In eastern parts of the region which received more recent storm snow, a more widespread storm slab problem may exist.
For the far north of the region which received 15-20 cm of recent storm snow, strong northeast wind on Tuesday is expected to redistribute this snow and form reactive wind slabs in exposed terrain.
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qd1o","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52qo7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ti3","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 80 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"This layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially as the snowpack is being tested with warm temperatures and strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e5vf","text":"The problematic surface hoar layer will be most prominent in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.
New wind and storm slabs will form throughout the day. It is possible that these slabs will be touchy due to the crust they will form over.
Throughout the day today, northeasterly outflow winds may cause reverse loading, transporting available snow into fresh wind slabs in normally wind-scoured slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":64,"length":15,"key":0}],"data":{}},{"key":"44gbb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3l412","text":"With greater snowfall amount in the south, we can expect a more widespread storm slab problem to persist. 40-100cm of recent storm snow may bond poorly to the underlying hard melt-freeze crust. Expect deeper and stiffer slabs to exist in wind-loaded features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9frl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"elt0q","text":"In the north of the region, the problem is likely more confined to a wind slab problem. 10-30 cm of recent storm snow has been redistributed by southwest winds into wind slabs in lee areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
30-50 cm of recent snow and moderate southwest winds formed fresh wind slabs in lee areas in the alpine and treeline. These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":218,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Wind slabs may be triggerable in wind-loaded, steep or convex terrain features and near ridgetops. Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
Large and reactive storm slabs will build overnight and into Sunday. Expect deeper deposits in wind affected areas - around ridgelines and on easterly facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8r5ml","text":"
A layer of surface hoar from late January is buried 10-40 cm deep. On solar aspects and at lower elevations surface hoar sits over a melt freeze crust. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhbg9","text":"A layer of facets over a crust from early January is buried 50-70 cm deep. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eeho1","text":"Treat sheltered open slopes at a treeline with extra caution where the surface hoar is most likely to be preserved - like cut blocks. Deeper instabilities could be triggered in shallow snow pack areas or by a large load such as a cornice or step down avalanche. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"epunb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54c9q","text":"Avalanche activity is less likely where a thick and supportive crust sits on the surface.
A weak layer formed by clear skies in late January may be found 40 to 80 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Where a thick, supportive crust is present on the surface, avalanches on this layer are unlikely. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":306,"length":17,"style":"BO
A weak layer formed by clear skies and warm temperatures in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qd1o","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Where a thick, supportive crust is present on the surface, avalanches on this layer are unlikely. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":306,"length":17,"style":"BO
A weak layer formed by clear skies in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer of surface hoar has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Where a thick, supportive crust is present on the surface, avalanches on this layer are unlikely. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":319,"length":17,"style":"BO
p to 20cm of new snow accompanied by westerly winds will likely form wind and storm slabs throughout the day on Saturday. These slabs could be touchy on north aspects where they will form on facets over a crust. Use extra caution near ridge crests and steep roll overs where wind slab is more likely to be found.
Fresh and reactive storm slabs will build overnight and into Sunday. Expect greater sensitivity in wind loaded areas, around ridgelines on easterly facing slopes.
s recent snow gradually settles, there will be some unstable wind slabs left at upper elevations, especially along ridgetops.
In the south of the region, 40-60 cm of recent storm snow is expected to be most reactive in wind loaded terrain but a more widespread storm slab problem likely exists. This snow may be poorly bonded to the underlying crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brja9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dm9qs","text":"In the north of the region, shifting wind directions means thin wind slabs should be expected on all aspects in exposed terrain.
Fresh wind slabs will likely form along ridgetops on Saturday with new snow and moderate southwest wind in the forecast.
Wind slab exists in exposed treeline and alpine terrain. Sensitivity to triggering could be greater where wind slab overlies a crust. Strong winds mean that wind slab could be found further down slope than expected.
Wind direction has shifted from southwest during the storm through northwest, to northeast Monday. The freshest wind slabs may be found on atypical aspects and features.
Portions of the north of the region (e.g. Duffey, Hurley) have a a weak layer of faceted grains above a hard melt-freeze crust that is found 30 to 60 cm below the snow surface. A few avalanches over the past week have released on it, with more activity observed in the neighbouring Sea to Sky region. It has been most problematic in the region on north to northeast aspects around 1900 m to 2100 m.
Fresh wind slabs will likely form along ridgetops by Saturday afternoon, with new snow and strong southwest wind in the forecast.
Strong outflow winds will cross- and reverse-load available soft snow into new wind slabs in atypical terrain features. Older wind slabs in more typical leeward features may remain reactive to human triggers in wind-loaded terrain features like ridge crests and convexities. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":26,"length":6,"key":0},{"offset":37,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#cross-loading"}},"1":{"type":"
Fresh wind slabs will likely form along ridgetops on Saturday with new snow and strong southwest wind in the forecast.
Winds are forecast to shift abruptly from northeasterly outflows on Monday to strong southwesterly flow on Tuesday so watch for wind loading on a variety of aspects. Likely features to find wind deposited snow include ridge crests and convexities. Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
-10 cm of snow fell over the weekend accompanied by southwest wind. On Monday, the wind switched to the northeast and has likely caused reverse loading. Thin wind slabs should now be expected on all aspects in exposed terrain.
The storm produced up to 25 cm of snow Saturday into Sunday, and while the storm slabs are expected to settle and bond rather quickly in the cooling temperatures, you still need to be on guard, especially in wind exposed terrain.
Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
Watch for fresh wind slabs up around Mt. Cain where 15 cm fell over the weekend. North wind there Sunday night is likely to form fresh slabs.
In the adjacent Sea to Sky forecast region, a persistent weak layer of facets on a crust exists 30-70 cm below the surface and has been touchy to human triggers, especially on north aspects around treeline (1600-2000 m). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":17,"key":0}],"data":{}},{"key":"184ai","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6880","text":"There has been no direct reactivity reported in the South Coast Inland region. However, the snowpack structure is similar in the north of the region and it should be on your radar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
to 8 cm of snow fell over the weekend accompanied by southwest wind.  The wind is expected to switch to the North Sunday night, which may begin to form slabs in unusual locations.
Recent snow has settled into a 25 to 40 cm thick slab and can produce large avalanches. Terrain features of concern include wind loaded slopes in the alpine and at treeline, and open convexities at lower elevations where the new snow may sit above sun crusts or feathery surface hoar.
In the north of the region, wind slabs have formed due to significant accumulations of new snow and wind. They are predominantly on east to south-facing slopes in exposed areas. Steep slopes will remain easily triggerable for some time after the storm.
Wind slabs may remain sensitive to human triggers.
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. The storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to easterly potentially building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubpf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejndp","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
Wind slabs will exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"v12r","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
wind slab can be found in exposed treeline and alpine terrain. Sensitivity to triggering could be greater where wind slab has formed over a crust.
New wind slabs can be found on North and East aspects in exposed treeline and alpine terrain. Strong winds mean that wind slab could be found further down slope than expected.
Wind slabs could still be found in high alpine terrain, where dry snow has been redistributed onto north and east facing slopes.
Storm and wind slabs will likely still be reactive to rider traffic. Use extra caution near ridge crests where wind slabs will be found.
It may be possible to find thin wind slabs in isolated areas in the alpine and upper treeline.
ecent new snow and southwest wind will likely have formed wind slabs in exposed treeline and alpine terrain. Strong winds mean that wind slab may be found further down slope then expected.
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. The storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast potentially building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8cr3c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8nd7c","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48u0u","text":"
Wind slab could be found on north and east aspects in exposed treeline and above. Sensitivity to triggering is greatest where wind slab has formed over a crust.
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5a6u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vq2s","text":"The storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast potentially building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejtst","text":"
Throughout the day today, northeasterly outflow winds may cause reverse loading, transporting available snow into fresh wind slabs in normally wind-scoured slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":64,"length":15,"key":0}],"data":{}},{"key":"44gbb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3l412","text":"With greater snowfall amount in the south, we can expect a more widespread storm slab problem to persist. 40-100cm of recent storm snow may bond poorly to the underlying hard melt-freeze crust. Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b37a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"elt0q","text":"In the north of the region, the problem is likely more confined to a wind slab problem. 10-30 cm of recent storm snow has been redistributed into pockets of wind slab in lee areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. The storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast potentially building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6qvd6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7qgu6","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
30 to 50 cm of recent storm snow is bonding relatively quickly in most areas, but may still produce avalanches in specific terrain features. This includes steep sun-exposed slopes, wind loaded slopes, and open convexities at treeline where there could be buried sun crusts or surface hoar layers.
Storm slabs will develop throughout the day. It is expected that this new snow will not bond to the variety of older surfaces and will produce natural avalanches. Lee areas in the alpine and treeline are particularly to watch.
The new storm snow will likely have a poor bond to the underlying old snow surfaces. Storm slabs will be reactive, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"265s5","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.
Wind slab can be found in alpine terrain near ridge crests and steep roll overs.
40-100 cm of recent storm snow may bond poorly to the old firm surface. Storm slabs will continue to be reactive, especially on leeward slopes where deeper, and stiffer slabs exist due to wind loading.
New wind slab formation is expected on Saturday as winds become moderate from the north. Dry snow was reported above 1500 m so wind transport should be expected above that elevation in wind-exposed terrain.
While not expected to be much of an issue in the north, expect potentially deep and reactive wind fueled storm slabs in the Coquihalla and Allison Pass zones Monday.
ecent strong northerly winds have formed thin wind slabs in exposed terrain at higher elevations. These wind slabs maty persist longer than normal due to the cold temperatures. Wind slabs may be more reactive where they overlie a firm crust.
Wind slabs exist on various aspects in any exposed terrain and around ridgelines. Shifting winds (initially from the southwest, then switching to the northeast) are building slabs in less common locations. These slabs may have formed on top of old crusts and hard wind-pressed snow, and there is uncertainty about how quickly they will bond to old surfaces.
Soft, fresh wind slabs may be found in unusual terrain features due to reverse loading by irregular wind direction. Wind slabs may sit over a sun crust on solar aspects and a rain crust below 2100 m. Crusts make a slick bed surface for avalanches.
This weekend's storm brought 15-100 cm of storm snow which overlies the February 15th drought layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4j42c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8135k","text":"The south of the region received less snowfall and the problem is likely more confined to a wind slab problem. 15-30 cm of recent storm snow has been redistributed by southwest winds into wind slabs in lee areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ct3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5nu63","text":"In the north of the region, cold temperatures may help to decrease the reactivity of the more widespread storm slab problem, but deeper, and stiffer slabs will exist in wind-loaded terrain, which probably remain reactive to human-triggering.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4s7lq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"93fvr","text":"Do not underestimate the influence of solar radiation on these cold days! Reactivity could increase rapidly on sun-exposed slopes when solar radiation is strong.
Human triggering of storm slabs should remain on your radar. As the storm snow settles with time in the mild temperatures, slab avalanches could become more likely. The most likely places to trigger a storm slab are on wind-loaded, convex or steep unsupported features where recent snow sits over a crust or surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":79,"length":7,"key":0}],"data":{}},{"key":"e21t2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
This weekend's storm brought 15-60 cm of storm snow which overlies the February 15th drought layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eci7s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bkj3","text":"In areas that received greater snowfall, cold temperatures may decrease the reactivity of the more widespread storm slab problem, but deeper, and stiffer slabs will exist in wind-loaded terrain, which probably remain reactive to human-triggering.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k25q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a72rs","text":"Do not underestimate the influence of solar radiation on these cold days! Reactivity could increase rapidly on sun-exposed slopes when solar radiation is strong.
This weekend's storm brought 30-100 cm of storm snow overlying the February 15th drought layer. Reports suggest that the storm snow is bonding poorly to this interface and human-triggering could persist into Tuesday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7kmt3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"75nsm","text":"Expect to find deeper, and stiffer slabs to exist in wind-loaded terrain. Northeasterly outflow winds may have created wind-loaded pockets in more atypical, reverse-loading patterns and at lower elevations than you might usually expect. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":157,"length":15,"key":0}],"data":{}},{"key":"34u8r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4q4mt","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
This weekend's storm brought 20-80 cm of storm snow overlying the February 15th drought layer. Reports suggest that the storm snow is bonding poorly to this interface and human-triggering could persist into Tuesday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4do1o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ftfn6","text":"Expect to find deeper, and stiffer slabs to exist in wind-loaded terrain. Northeasterly outflow winds may have created wind-loaded pockets in more atypical, reverse-loading patterns and at lower elevations than you might usually expect. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":157,"length":15,"key":0}],"data":{}},{"key":"2d8rc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ul58","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
This weekend's storm brought 30-100 cm of storm snow overlying the February 15th drought layer. Reports suggest that the storm snow is bonding poorly to this interface and human-triggering could persist into Tuesday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8s8b4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btt2c","text":"The highest snowfall amounts were reported in the north of the region. A more widespread storm slab problem could still exist, but expect to find deeper, and stiffer slabs to exist in wind-loaded terrain. In the south of the region, the problem is more likely confined to a wind slab problem in lee areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ctmge","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"539ne","text":"Northeasterly outflow winds may have created wind-loaded pockets in more atypical, reverse-loading patterns and at lower elevations than you might usually expect. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":83,"length":15,"key":0}],"data":{}},{"key":"8flo3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ae97","text":"Dry-loose avalanches may be seen from steeper slopes, especially where a firm crust exists below the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. Recent northeast winds have reverse loaded features building slabs in less common places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":14,"key":0}],"data":{}},{"key":"8s687","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
Wind slabs will exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3mq7b","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
With up to 80 cm new snow from the recent storm in northern areas and winds from the northwest and southwest, wind slabs remain a significant concern on predominantly east-facing slopes in exposed areas.
The most likely places to trigger a wind slab include unsupported convex roll-overs and where recent snow sits over a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cus47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mh3d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el2kt","text":"
Storm slab avalanches are becoming less likely, but they have recently been more reactive where slabs sit on top of crusts or cold sugary crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2qv66","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80fqb","text":"Continue to make conservative choices and give the storm snow time to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"874p0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dj4o8","text":"The first punch of sun after the storm could make storm slab avalanches more likely, use extra caution on slopes facing the sun.
ockets of wind slab likely still exist in extreme terrain and even small avalanches can have serious consequences in places like this. Assess your run entries and highmarks with care.
Soft, isolated pockets of wind slab formed during a brief period of moderate wind on Monday. Wind slabs may be most easily triggered where they sit over a sun crust on solar aspects.
wind slab can be found in alpine and exposed treeline terrain. Sensitivity to triggering is greatest where wind slab has formed over a crust.
Human triggering of storm slabs should remain on your radar. As the storm snow settles with time, and with the sun warming southerly slopes, slab avalanches could become more likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":79,"length":7,"key":0}],"data":{}},{"key":"elg92","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6gl5g","text":"35-50 cm of recent snow is sitting on generally firm surfaces from the dry period in February. So far, very little avalanche activity has been seen on this layer, possibly due to mostly light winds, and a general lack of slab properties in the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":221,"length":4,"key":1}],"data":{}},{"key":"7r9sh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e21t2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#settlement"}
In the south of the region, 30-50 cm of recent storm snow is expected to be most reactive in wind loaded terrain but a more widespread problem may exist. This snow may be poorly bonded to the underlying crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brja9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dm9qs","text":"In the north of the region, shifting wind directions means thin wind slabs should be expected on all aspects in exposed terrain.
Small wind slabs are reactive to human-triggering in the far north of the region. Ongoing periods of strong wind on Wednesday may continue to develop these slabs where there is still snow available for transport.
Wind slab can be found in exposed terrain at treeline and above. Sensitivity to triggering could be greater where wind slab has formed above a crust.
Wind slabs may produce avalanches on leeward terrain features, especially near ridgetops.
Wind slabs may be easily triggered where they sit directly over a weak layer or a crust. Wind loading may be subtle so expect to find it on leeward aspects and below sharp changes in terrain shape.
30-50 cm of recent storm snow may continue to be reactive to human triggers in specific terrain features. This includes steep sun-exposed slopes, wind loaded slopes, and open convexities at treeline where there could be buried sun crusts or surface hoar layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a223r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3v08n","text":"At lower elevations, expect wet avalanches to be likely as freezing levels rise and strong sun is expected. Minimize exposure to slopes with moist or wet surface snow.
Though stability is improving, human triggering of storm slabs should remain on your radar. Some places where it may be possible to trigger a storm slab include unsupported convex roll-overs, wind deposits or where recent snow sits over a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3kqks","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8gk06","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cus47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mh3d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el2kt","text":"
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. The storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6qvd6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7qgu6","text":"These slabs may have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces.
The wind is expected to shift from northeast to northwest on Wednesday and wind slab development may continue in exposed high elevation terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7qitj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dbo4l","text":"In eastern parts of the region which received more recent storm snow, a more widespread storm slab problem may exist.
Wind slabs may still be reactive to human triggers, from strong north and westerly winds. Expect loading around ridgeline features.
A layer with weak, feathery surface hoar crystals is buried 30-50 cm deep at sheltered treeline features and in the lower alpine. Isolated natural activity and skier triggered avalanches were reported on that layer in the last few days. Warm temperatures will increase the likelihood to trigger this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fuqdp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4505g","text":"A thick crust is buried 60-100 cm deep. There has been little avalanche activity reported on this layer, and it is uncertain if the warm weather will increase activity on this layer. Avalanches on this layer will likely reach large sizes.
Wind direction has varied from southwest through northeast. The freshest wind slabs may be found on atypical aspects and features due to reverse-loading. Slabs have been reactive and slide surprisingly far on the underlying crust. The most likely place to trigger a wind slab is near ridge crest and on convex terrain features, where the slope rolls away from you.
Recently formed wind slabs are expected to remain reactive to human-triggering. Cold temperatures may mean wind slabs remain reactive for longer than is typical for the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eeocp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lvu9","text":"In eastern parts of the region which received more recent storm snow, a more widespread storm slab problem may exist.
p to 10 cm new snow will fall overnight Saturday into Sunday with strong southwest wind. During the day on Sunday the wind will switch to west and then northwest wind staying strong. The wind will redistribute the new snow and where available the recent low density snow, forming fresh wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70glj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9kj9f","text":"Fresh wind slabs will be found below ridge crests and in lee terrain features. Due to the strong wind, slabs might be found farther down slope than expected.
15-25 cm of recent snow and moderate southwest winds formed fresh wind slabs in lee areas in the alpine and treeline. These slabs may propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":193,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Upper level winds are forecast to pick up Sunday night and Monday. Watch for freshly formed wind slabs at upper elevations. Northerly wind reverse loads snow into atypical terrain features, including south facing aspects which may have a sun crust. Below 2100 m, wind slabs may sit on a rain crust which makes a slick bed surface for avalanches.
Continued loading from new snow and wind has formed storm slabs on all aspects. Moderate to strong southwest winds are loading lee slopes around ridge crests, as well as cross-loaded features making these places much more dangerous.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":11,"key":0},{"offset":127,"length":3,"key":1},{"offset":145,"length":12,"key":2},{"offset":169,"length":13,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avysavvy.avalanche.ca/en-ca/storm-slabs"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"t
Cornices are waking up with warm temperatures. A cornice fall can trigger slab avalanches on the slopes below. Cornices can be unpredictable, so it's best to avoid them all together during this warm spell.
The wind will change direction to northeast and is forecast to become strong in the morning. Fresh wind slabs will build behind ridge crests and in lee terrain features in the alpine and exposed treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34n4c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5sqa7","text":"On Sunday, strong to extreme wind from the northwest formed wind slabs. These slabs might still be reactive to human triggers and might be found farther down slope than expected due to the strength of the wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6sltp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7miv3","text":"Triggered wind slabs might step down to deeper buried weak layers and result in larger avalanches.
Human triggering of storm slabs should remain on your radar, especially in the southwestern part of the region where we have seen the greatest snowfall amounts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"elg92","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6gl5g","text":"Even in lower snowfall areas, don't discount the moderate to strong southwest winds, loading lee slopes around ridge crests, as well as cross-loaded features. Investigate the bond of new snow carefully before committing to your line.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ukc0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"
Wind slabs can still be found in alpine and exposed treeline terrain. Sensitivity to triggering could be greater where wind slab has formed over a crust.
In the adjacent Sea to Sky forecast region, a persistent weak layer of facets on a crust has been reactive to human triggers, especially on shaded aspects around 1600-2000 m elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"184ai","text":" ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6880","text":"There has been limited observations of avalanches on this layer reported in the South Coast Inland region. However, the snowpack structure is similar in the north of the region and there are observations that suggest the layer remains reactive including one natural avalanche on Saturday. It should remain on your radar and a conservative approach is recommended on shaded aspects around treeline.
trong south and westerly wind formed wind slabs on Sunday. Wind slabs will be found below ridge crests and in lee terrain features. The strong wind might have built slabs farther down slope than expected.
Recent snow has settled into a 20 to 30 cm thick slab and remains likely to trigger on wind loaded slopes and possible to trigger at lower elevations where it may sit above sun crusts or feathery surface hoar.
The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":0},{"offset":72,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"1":{"
New storm and wind slabs will likely form throughout the day on Tuesday. These slabs could be larger and more reactive on lee features on North and East aspects. At lower elevations precipitation could fall as rain resulting in wet loose avalanches.
20-60 cm of recent storm snow, warm temperatures, and moderate southwest winds have formed storm slabs that are expected to be most reactive in wind-affected terrain, or where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":213,"length":12,"key":0}],"data":{}},{"key":"9d59q","text":"In steep sheltered terrain, small dry-loose sluffs may be reactive to human-triggering. Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
Extreme west and northwest wind on Sunday formed wind slabs in the alpine and at exposed treeline. Wind slabs might be found farther down slope than expected due to the strength of the wind.
Human triggered avalanches will continue to be likely so make conservative terrain choices and give the recent storm snow time to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akkui","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4eg3g","text":"With no overnight refreeze, elevated freezing levels, and rain-soaked snow at lower elevations, storm slabs may entrain wet loose snow and run further than expected.
Use extra caution around ridgecrests, and in cross loaded gully features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":11,"key":0},{"offset":45,"length":12,"key":1}],"data":{}},{"key":"djvmg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cvqaj","text":"Start on small slopes and gather information before heading into bigger terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":9,"length":12,"key":2}],"data":{}},{"key":"3frj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"47g0s","text":"Watch and listen for signs of instability, like shooting cracks or whumpfs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":21,"length":20,"key":3}],"data":{}},{"key":"amhmc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#small-slopes"}},"3":{"type":"L
Recent strong northeasterly winds have formed wind slabs on lee aspects below ridgetops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akq7e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fedgl","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Recent stormy weather has likely left wind slabs on exposed terrain, lee features, and around ridgelines.
Storm slabs may remain triggerable in wind loaded terrain features at upper elevations.
A weak layer may be found around 50 to 100 cm deep. The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. Substantial avalanche activity continues to occur each day across much of the region.
Wind slab exists in exposed treeline and alpine terrain. Sensitivity to triggering could be greater where wind slab overlies a crust. Strong winds mean that wind slab could be found further down slope than expected.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1qahp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"etsog","text":"Wet loose avalanches could occur below treeline.
Storm slabs have been touchy, showing wide propagation. They are most likely to be triggered in deeper deposits of freshly wind loaded snow or in wind-sheltered areas where they sit over a weak layer of facets or surface hoar.
ew storm snow does not appear to be bonding well to firm surfaces below it. Storm snow amounts increase rapidly as you travel higher into the alpine. Manage your overhead hazard and investigate to determine thickness of the storm snow on the feature you are on. The thicker the snow is on the feature, the bigger the potential avalanche.
Freezing levels are dropping, but mild daytime warming and spots of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ctekl","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fska","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cgmgk","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely.","type":"u
Avoid avalanche terrain if the snowpack becomes wet and unsupportive to your weight. At lower elevations, a poor overnight crust recovery followed by above freezing temperatures and rain may cause wet slab and wet loose avalanches to continue on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7idmt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6hbjg","text":" If the sun comes out on Thursday, wet loose activity can be expected on steep solar aspects at all elevations.
Fresh storm slabs may be touchy and propagate widely. The most likely place to trigger an avalanche is in wind-loaded terrain features.
Wind slab formation may be ongoing over the weekend as we continue to expect periods of moderate wind from the north. Dry snow was reported above around 1700 m so wind transport should be expected above that elevation in wind-exposed terrain.
As the recent snow gradually settles there will still be some unstable slabs at upper elevations. The most likely terrain is wind-loaded slopes, especially along ridgetops, but may still be possible on any steep convex slope. The slabs could be poorly bonded to the underlying crusts or facet layers.
The snowfall from Thursday is expected to have formed reactive wind slabs in exposed terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1qs7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9kpd2","text":"There is uncertainty regarding how much new snow will have accumulated by the end of Thursday's storm. If you are finding more than around 25 cm of new snow, a more widespread storm slab problem may exist.
Storm slabs will continue to develop throughout the day where precipitation falls as snow. Storm slabs are especially likely to be triggered in steep or convex terrain and in wind loaded areas.
A persistent weak layer of facets on a crust exists 30-60 cm below the surface and has been touchy to human triggers, especially on northerly aspects around treeline. Recent avalanche activity has primarily occurred between 1600 and 2000 m and includes some occurrences of remote triggering (from a distance away). Numerous natural and human-triggered avalanches occurred on this interface  between Wednesday and Friday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"typ
30-50 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind affected terrain; especially where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":187,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Storm slabs will continue to develop throughout the day at elevations where precipitation falls as snow. Storm slabs are especially likely to be triggered in steep or convex terrain and in wind loaded areas.
xpect wind slabs on all aspects. While slabs are expected to be small, they may be reactive to human triggers as they have formed over a crust on south facing slopes and on hard surfaces elsewhere. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"33maq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"Avoid steep, unsupported slopes that sound drum-like or hollow.
Upside-down storm slabs sit over a slippery crust. Natural avalanche activity is expected to continue with precipitation into Wednesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK"
In the adjacent Sea to Sky forecast region, a persistent weak layer of facets on a crust exists 30-60 cm below the surface and has been touchy to human triggers, especially on shaded aspects around 1600-2000 m elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":17,"key":0}],"data":{}},{"key":"184ai","text":" ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6880","text":"There has been limited observations of avalanches on this layer reported in the South Coast Inland region. However, the snowpack structure is similar in the north of the region and there are observations that suggest the layer remains reactive. It should remain on your radar and a conservative approach is recommended on shaded aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
Wind slab formation is expected to be ongoing on Sunday as we continue to expect moderate winds from the north. Dry snow was reported above 1500 m so wind transport should be expected above that elevation in wind-exposed terrain.
15-25 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind affected terrain, especially where the recent snow is sitting on a weak layer of surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":196,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
20-40 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind affected terrain; especially where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":187,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
There is tons of fresh snow available for wind transport. Strong west to southwesterly winds have set up deep and reactive wind slabs in leeward terrain features.
Wind slab will exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7arjg","text":"These slabs have formed on top of a widespread crust and may bond poorly to this hard surface.
ecent strong northerly winds have formed wind slabs in exposed terrain at higher elevations. These wind slabs may persist longer than normal due to the cold temperatures. Wind slabs may be more reactive where they overlie a firm crust.
ecent strong northerly winds have formed isolated wind slabs in exposed terrain at higher elevations. These wind slabs may be still reactive, especially where they overlie a firm crust.
New snow and strong southwest wind will load lee terrain features, forming new wind slabs. These slabs may start thin but could be touchy, particularly where they sit on a hard and smooth melt-freeze crust.
Expect strong west/southwest winds to build larger slabs in east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4aico","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a77ap","text":"Storm snow may sit over a crust on south facing terrain features, and/ or a surface hoar layer in sheltered terrain features at treeline and above. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"415d2","text":"Reports suggest a layer of buried surface hoar is most widespread in terrain surrounding Terrace.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"Lower elevations will again see mixed precipitation or rain. Avalanches are likely where the surface snow is wet, or where rain breaks down a surface crust.
Small wind slabs are expected to remain reactive to human-triggering in the far north of the region.
New slabs may start to form over the day as snow falls with southwest wind. The slabs may start small but will increase in size and sensitivity as the day progresses.
reezing levels are dropping, but mild daytime warming and spots of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fislp","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6756u","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2r3vn","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely.","type":"u
A weak layer of faceted grains above a hard melt-freeze crust may be found around 40 to 80 cm deep. This layer continues to produce large avalanches that have the potential to propagate far. The problem is most prevalent on north to northeast aspects between 1600 m and 2100 m.
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. Recent northeast winds have reverse loaded features building slabs in less common places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":14,"key":0}],"data":{}},{"key":"e9sc","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubpf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. Recent northeast winds have reverse loaded features building slabs in less common places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":14,"key":0}],"data":{}},{"key":"8nd7c","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48u0u","text":" ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
Watch for pockets of wind slab on various aspects in exposed terrain and around ridgelines. Recent northeast winds have reverse loaded features building slabs in less common places. Alpine features are the most likely culprits, but exercise some caution in exposed treeline features with stiff snow as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":14,"key":0}],"data":{}},{"key":"7vjpi","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejtst","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
Recent wind direction has been variable so watch for wind loading on a variety of aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aum2b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bj2hn","text":"Windslabs have been reported to be quite hard, and mostly unreactive to rider traffic. It may still be possible to trigger them with a large load like a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f08j0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3hmq8","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.
Up to 20 cm of new snow fell on wednesday (with the highest amounts around Smithers and west from there). Small, reactive storm slabs were being triggered in some locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lqlf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"67dh1","text":"The new snow fell with mostly light winds, but it may bury windslabs that were bonding poorly to the underlying crust. Soft, unconsolidated surface snow may hide signs of windslab instability, so you may have to dig down for more information. Decision making can be tricky in this situation, so it might not be the time to choose a committing line.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7tvtl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a65fr","text":"Recent wind direction has varied from southwest through northeast. Buried wind slabs may be found on atypical aspects and features due to reverse-loading. Slabs have been reactive and sliding surprisingly far on the underlying crust. The most likely place to trigger a wind slab is near ridge crest and on convex terrain features, where the slope rolls away from you.
15-40 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind-affected terrain; especially where slabs are sitting on a weak layer of  surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":188,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
xpect wind slabs on all aspects. While slabs are expected to be small, they may be reactive to human triggers as they have formed over a crust on south facing slopes and on hard surfaces elsewhere. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"33maq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"Watch for signs of instability, like shooting cracks or recent avalanches. Avoid steep, unsupported slopes that sound drum-like or hollow.
A buried crust on south facing slopes continues to be sensitive to human triggering, producing large avalanches within the last 3 days. Short periods of sunshine may increase likelihood of triggering on south facing features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39a1p","text":"A spotty layer of surface hoar buried on sheltered and shaded terrain features at treeline has also shown recent reactivity. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"css9e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4urp6","text":"Most reactivity has been seen around Malakwa (Queest/Gorge area), Highway 23 North (Downie Creek and Goldstream FSR areas) and terrain surrounding Valemount and Blue River. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alndo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqmn9","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
A weak layer may be found around 40 to 60 cm deep. The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. This layer has been most problematic in the southern portion of the region (e.g., Wells Gray, Blue River, Valemount).
In the south of the region, 30-50 cm of recent storm snow is expected to be most reactive in wind loaded terrain but a more widespread problem may exist. This snow may be poorly bonded to the underlying crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brja9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dm9qs","text":"In the north of the region, wind slabs should be expected on south aspects due to the recent strong northerly winds.
Recent, low density storm snow has been redistributed by moderate to strong west through north winds, forming thin, soft, reactive windslabs, mostly in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6tei5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9msqf","text":"Older, larger, firmer windslabs sit on top of the mid February rain crust on most aspects. Deeper avalanches failing at this layer are less likely, but could have more serious consequences. Larger triggers like cornice or ice falls have the potential to trigger deeper windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cevr4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2cr6c","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features, where the slope rolls away from you.
Recent, low density storm snow has been redistributed by moderate to strong west through north winds, forming thin, soft, reactive windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"387o5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"858t2","text":"Older, larger, firmer windslabs sit on top of the mid February rain crust on most aspects. Deeper avalanches failing at this layer are less likely, but could have more serious consequences. Larger triggers like cornice or ice falls have the potential to trigger deeper windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91piu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a4jt","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features, where the slope rolls away from you.
Recent strong northerly winds have retributed last weekend storm snow and formed wind slabs in exposed terrain at higher elevations. These wind slabs may be still reactive due to the cold temperatures, especially where they overlie a firm crust.
Wind slabs exist on various aspects in exposed terrain and around ridgelines. Last weekend's storm initially came in with southwest winds, but with the intrusion of arctic air, winds switched to the northeast, building slabs in less common locations. These slabs have formed on top of a widespread crust and may bond poorly to this hard surface.
A storm beginning in the morning will bring 20 to 30 cm of snow with extreme southerly winds. Storm slabs are going to develop quickly during the day and become increasingly reactive. Use caution in lee areas in the alpine and treeline.
The north of the region (e.g. Duffey, Hurley) may have a a weak layer of faceted grains above a hard melt-freeze crust that is found 30 to 60 cm below the snow surface. A few avalanches over the past week may have released on it, with more activity observed in the neighbouring Sea to Sky region. It is most likely to be problematic on northwest to northeast aspects at treeline and alpine elevations.
Expect most wind loading to be found on east facing slopes (lee to west/southwest winds).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"74c8s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3frj","text":"Wind loading may sit over a crust on south facing slopes, or a buried surface hoar in sheltered treeline terrain. Likelihood of human triggering is higher in these features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"amhmc","text":"
Human triggered avalanches will continue to be likely so make conservative terrain choices and give the recent storm snow time to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cus47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mh3d","text":"With no overnight refreeze, elevated freezing levels, and rain-soaked snow at lower elevations, storm slabs may entrain wet loose snow and run further than expected. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el2kt","text":"
Around 40 cm of recent snow sits over a weak layer of surface hoar.  Most reactivity has been reported on east-facing slopes, in the Pine Pass and Renshaw areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1trlk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dfa9r","text":"Wind loading has buried this layer up to 100 cm deep and produced large human triggered avalanches this week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bd408","text":"
Wind slabs sitting over a crust may be found at higher elevations on all aspects from recent variable winds. Larger and more reactive wind slabs are expected to have formed from the recent northeast winds, and can be found on south or west facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4n0lp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dl6t3","text":"Weak cornices may also be found on north and east facing slopes. Watch for overhead hazard when travelling on slopes below cornices, and be aware of  your proximity to large overhanging cornices when travelling on ridgelines. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aemta","text":"
Recent wind has left unstable wind slabs on certain terrain features, especially along ridgetops.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bi6a2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i65t","text":"Cornices are very large in many areas, be aware of what's above your head.
ew storm and wind slabs will form over Monday night and throughout the day on Tuesday. These slabs will be largest and most reactive on north and east aspects where wind loading is likely to take place.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eimj8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4obr8","text":"Precipitation will likely fall as rain at lower elevations. This could result in wet loose avalanches.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ve26","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f14bb","text":"Cornices are very large in many areas, be aware of what's above your head.
Recently formed wind slabs are expected to be still reactive to human-triggering due to cold temperatures, especially where they overlie a firm crust.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgc8q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5b474","text":"Cornices are very large in many areas, be aware of what's above your head.
Recent snowfall has likely left unstable wind slabs on lee terrain features, especially along ridgetops.
30 to 60 cm of recent snow has potential to form a persistent slab above weak layers. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dhpub","text":"At this point we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.
30 to 50 cm of recent snow has potential to form a persistent slab above weak layers. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes, especially north and south of Nelson in the Selkirk Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"30u38","text":"At this point we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.
Persistent weak layers of surface hoar and/or crust can be found 40 to 100 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c67r1","text":"The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aacv7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ei3i0","text":"This problem exists on all aspects, however increased reactivity has been noted on northeast through southeast facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3f4an","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsg5q","text":"Conservative terrain choices and disciplined decision making is required in areas where these persistent slabs remain active.
Expect most wind loading to be found on east facing slopes (lee to west/southwest winds).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ddcjs","text":"Expect varying reactivity - slabs may sit on surface hoar in isolated and sheltered treeline features, crusts on south facing slopes or hard wind pressed surfaces.
Watch for pockets of wind slab on all aspects in exposed terrain and around ridgelines due to recent variable winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7id2h","text":"Alpine features are the most likely culprits for wind slabs, but exercise caution in exposed treeline features with stiff snow as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6cap","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"82uui","text":"
Watch for lingering pockets of wind slab on various aspects in exposed terrain and around ridgelines. Northeast winds from earlier in the week reverse loaded features building slabs in less common places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":143,"length":14,"key":0}],"data":{}},{"key":"8s687","text":"These slabs have formed on top of old crusts and hard wind-pressed snow and there is uncertainty about how quickly they will bond to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
Watch for pockets of wind slab on all aspects in exposed terrain and around ridgelines due to recent variable winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ktj3","text":"Alpine features are the most likely culprits for wind slabs, but exercise some caution in exposed treeline features with stiff snow as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7vjpi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejtst","text":"
Watch for pockets of wind slab on all aspects in exposed terrain and around ridgelines due to recent variable winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e1i1p","text":"Alpine features are the most likely culprits for wind slabs, but exercise some caution in exposed treeline features with stiff snow as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1lt9a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5a88b","text":"Though wind slabs are becoming more stubborn to trigger, they have formed on top of old crusts and hard wind-pressed snow and with the cold temperatures, they have been slower to heal.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48u0u","text":"
Recently formed wind slabs are expected to be still reactive to human-triggering.
xpect wind slabs on east facing terrain features. While slabs may be small they are likely reactive to human triggers, as they form over a crust on south facing slopes and hard surfaces elsewhere. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fcr5s","text":"Old hard wind slabs might still be reactive to human triggers or natural triggers like large cornice falls. Avoid steep, unsupported slopes that sound drum-like or hollow.
The north of the region (e.g. Duffey, Hurley) may have a a weak layer of faceted grains above a hard melt-freeze crust around 30 to 60 cm deep. A few avalanches over the past week may have released on it, with more activity observed in the neighbouring Sea to Sky region. It is most likely to be problematic on northwest to northeast aspects at treeline and alpine elevations.
Continued loading from new snow and wind has formed storm slabs on all aspects. These have been especially reactive where slabs sit on top of crusts or cold sugary crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":11,"key":0}],"data":{}},{"key":"2qv66","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80fqb","text":"Continue to make conservative choices and give the storm snow time to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alq9o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7ojr3","text":"Moderate to strong southwest winds are loading lee slopes around ridge crests, as well as cross-loaded features making these more likely places to trigger an avalanche.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":47,"length":3,"key":1},{"offset":65,"length":12,"key":2},{"offset":89,"length":13,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avysavvy.avalanche.ca/en-ca/storm-slabs"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"t
Though stability is improving, human triggering of storm slabs should remain on your radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vo1j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3matu","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"drd8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aa9gm","text":"Cornices have grown during the last system as well so give them a wide berth.
Human triggering of storm slabs should remain on your radar, especially in the southwestern part of the region where we have seen the greatest snowfall amounts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"elg92","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6gl5g","text":"Even in lower snowfall areas, don't discount recent moderate to strong southwest winds, loading lee slopes around ridge crests, as well as cross-loaded features. Cornices are likely growing as well. Investigate the bond of new snow carefully before committing to your line.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ukc0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"
Storm slabs will continue to build overnight and into Saturday morning. Expect strong west/southwest winds to build larger slabs in east facing terrain features. Slabs will be most reactive where it overlies a smooth crust, and/or surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7l7cm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6tcr","text":"At lower elevations, precipitation may be mixed or fall as rain. Expect wet avalanches to be likely where heavy, wet snow exists - and where rain breaks down the crust.
Significative storm slabs will continue to develop throughout the day. It is almost certain that this new snow will not bond to the variety of older surfaces and will produce a natural avalanche cycle. It is a good day to make conservative choices and stick to simple and safe terrain.
ind will continue to redistribute loose snow. The most reactive deposits will be around ridges and steep, unsupported features.
Storm slabs have been reactive to human triggering. Storm slabs are likely to be triggered in steep or convex terrain and in wind loaded areas at treeline and above.
Fresh wind slabs are forming over hard snow surfaces, and on a crust on south facing features. Buried surface hoar may exist in open treeline features that are sheltered from the wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fs7gn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8nmen","text":"Expect most wind loading to be found on east facing slopes (lee to west/southwest winds).
Over the past week, 40-80 cm of new snow buried a weak layer of facet/crust and surface hoar. This layer is most concerning on south-facing aspects, where a sun crust and facets may be buried, or in open areas at treeline and below, where surface hoar may be preserved. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":94,"length":55,"style":"BOLD"},{"offset":196,"length":35,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"2m1lr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8a34j","text":"The most reactivity has been seen around Malakwa (e.g., Queest/Gorge).
30 to 50 cm of recent storm snow has blanketed upper elevations. Storm slabs may continue to be reactive to human triggering on Thursday. The likelihood of triggering a storm slab increases in steep or convex terrain and in wind loaded areas.
Storm slabs may sit over several different surfaces, expect varying reactivity. Slabs will be most reactive where it overlies a smooth crust, and/or surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7998m","text":"Expect strong west/southwest winds to have built larger slabs in east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"Lower elevations have seen wet snow that sits on a widespread crust. Wet avalanches may be possible in steep terrain.
Human triggering of storm slabs should remain on your radar. Thursday night's snow is settling into a denser slab, and it may slide easily on the underlying crust that has been reported as high as 2250 m.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vo1j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3matu","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49bs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54tke","text":"If you don't find a crust on or near the surface, or if you easily break through the crust, it will be possible to trigger avalanches deeper in the recent storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"drd8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aa9gm","text":"Cornices have grown during the last system as well so give them a wide berth.
40 to 60 cm in the North and up to 80 cm in the South of recent storm snow has blanketed upper elevations. The likelihood of triggering storm slabs increases in steep or convex terrain and in wind loaded areas.
Elevated freezing levels mean that wet loose avalanches are still likely. size and likelihood of these avalanches could increase on south and west facing slopes in the afternoon if the sun comes out.
New snow and southwest will likely form wind slabs in lee terrain features. The slabs will grow over the day and may not bond well to underlying layers.
30 to 60 cm of recent storm snow has blanketed upper elevations. The likelihood of triggering a storm slab increases in steep or convex terrain and in wind loaded areas.
oderate to strong southwest wind will form isolated wind slabs throughout the day in areas where soft snow is available for transport. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fcr5s","text":"Old hard wind slabs might still be reactive to human triggers and result in large avalanches. Avoid steep, unsupported slopes that sound drum-like or hollow.
Recent strong northerly winds have retributed available snow and formed wind slabs in exposed terrain at higher elevations. These wind slabs may be still reactive, especially where they overlie a firm crust.
ight snowfall and strong winds may form fresh slabs throughout the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fcr5s","text":"Old hard wind slabs might still be reactive to human triggers or natural triggers like large cornice falls. Avoid steep, unsupported slopes that sound drum-like or hollow.
Fresh wind slabs might form in isolated terrain features and where soft snow is available for transport. Older wind slabs formed by west and northwest wind might still be reactive to human triggers, especially where they overlie feathery surface hoar.
Moderate to strong southwest wind might develop fresh wind slabs where soft snow is available for transport. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8l68j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsks1","text":"Older wind slabs were formed by wind from the northeast and northwest. These slabs might still be reactive to human triggers, especially where they sit on feathery surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ken","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5sqa7","text":"Triggered wind slabs might step down to deeper buried weak layers and result in larger avalanches.
Expect strong west/southwest winds to build larger slabs in east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4aico","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a77ap","text":"Storm snow may sit over a crust on south facing terrain features, and/ or a surface hoar layer in sheltered terrain features at treeline and above. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"415d2","text":"Reports suggest a layer of buried surface hoar is most widespread in terrain surrounding Terrace. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ocgs","text":"Watch and listen for signs of instability, like shooting cracks or whumpfs. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":21,"length":20,"key":0}],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"L
xpect to find freshly wind-loaded features that may be reactive to human triggers as snowfall and southwest winds create wind slabs in lee features in the alpine and treeline.
Last week's 30 to 60 cm of new snow has the potential to form a persistent slab above weak layers. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dhpub","text":"At this point, we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.
Wind slabs exist on various aspects in any exposed terrain and around ridgelines. Shifting winds (initially from the southwest, then switching to the northeast) have built slabs in less common locations. These slabs may have formed on top of old crusts and hard wind-pressed snow. Uncertainty remains about how well they will bond to old surfaces due to continued cold temperatures.
Wind slabs could still produce avalanches on leeward terrain features, especially near ridgetops.
Watch for pockets of wind slab on all aspects in exposed terrain and around ridgelines due to recent variable winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ktj3","text":"Alpine features are the most likely culprits for wind slabs, but exercise some caution in exposed treeline features with stiff snow as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejtst","text":"
Look for wind slab in exposed treeline and above on all aspects.
Lingering wind slabs may remain reactive to human-triggering in exposed high elevation terrain. These may remain reactive for longer than normal where they overlie a firm crust.
Up to 15 cm of new snow and moderate southeast winds are likely forming rider triggerable windslabs in leeward features in wind exposed terrain. These windslabs may not bond well to old, firm, wind effected surfaces, and even small avalanches may run farther than expected.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":103,"length":7,"key":0},{"offset":193,"length":13,"key":1}],"data":{}},{"key":"f08j0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3hmq8","text":"Whumpfing, cracking, and hollow sounds are all signs of instability that should cause you to back off into lower angle or less wind-loaded terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"1":{
Strong upcoming winds will have the potential to reload previously scoured slopes and build reactive wind slabs on immediate lee features of north-facing alpine slopes. Uncertainty remains about how much low-density snow will get transported and how well the developing slabs will bond to old surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":92,"length":75,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"mbm6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1irfu","text":"Older and stiffer wind slabs still exist on various aspects in any exposed terrain and around ridgelines, as the past winds blew from various directions, creating slabs in less common locations.
Strong upcoming winds will have the potential to reload previously scoured slopes and build reactive wind slabs on immediate lee features of north-facing alpine slopes. Uncertainty remains about how much low-density snow will get transported and how well the developing slabs will bond to old surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":92,"length":75,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"1q05","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ctupn","text":"Older and stiffer wind slabs still exist on various aspects in any exposed terrain and around ridgelines, as the past winds blew from various directions, creating slabs in less common locations.
Up to 5 cm of fresh snowfall, and 10-20 cm of low density snow from the previous storm has been redistributed by strong southerly winds, forming reactive windslabs in leeward terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":154,"length":9,"key":0},{"offset":167,"length":7,"key":1}],"data":{}},{"key":"33ebj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9i589","text":"Older, larger, firmer windslabs sit on top of the mid February rain crust on most aspects. Deeper avalanches failing at this layer are less likely, but could have more serious consequences. Larger triggers like cornice or ice falls have the potential to trigger deeper windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84if4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"tt4n","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":2},{"offset":72,"length":6,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#wind-slab"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"
5-15 cm of fresh snowfall, and 10-30 cm of low density snow from the previous storm has been redistributed by strong southerly winds, forming reactive windslabs in leeward terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":151,"length":9,"key":0},{"offset":164,"length":7,"key":1}],"data":{}},{"key":"387o5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"858t2","text":"Older, larger, firmer windslabs sit on top of the mid February rain crust on most aspects. Deeper avalanches failing at this layer are less likely, but could have more serious consequences. Larger triggers like cornice or ice falls have the potential to trigger deeper windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91piu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a4jt","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":2},{"offset":72,"length":6,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#wind-slab"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"
Up to 30cm of new snow has settled into a cohesive slab which overlies a variety of surfaces. Reactivity could vary depending on elevation and aspect. Pay attention to overhead exposure in larger avalanche terrain.
he new snow has been distributed into denser, more consolidated slabs on north through northeast facing features in the alpine.  Drop into bigger lines and high-mark with caution.
Strong to extreme northwest wind will continue to form fresh wind slabs where loose snow is available for transport. Wind slabs might develop farther down slope than expected due to the strength of the wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6sltp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7miv3","text":"Triggered wind slabs might step down to deeper buried weak layers and result in larger avalanches.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bi6a2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i65t","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Watch for recent and ongoing wind slab formation on Sunday in exposed high elevation terrain. Wind transported snow was observed on Saturday caused by northwest wind. The wind direction is expected to shift to the southwest on Sunday with a few centimetres of new snow in the afternoon.
Strong winds and expected snowfalls (up to 15 cm) will likely reload previously scoured slopes and build fresh and reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Uncertainty remains in how well the developing slabs will bond to underlying varied snow surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":137,"length":1,"style":"BOLD"},{"offset":194,"length":1,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"6gd1k","text":"
Recently formed wind slabs may remain reactive to human triggers on steep and/or convex slopes; especially where they are sitting on a slippery sun crust or a weak layer of surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ve26","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f14bb","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
New wind slab will likely form throughout the night on Friday and morning on Saturday. Strong winds mean that wind slab could be found further down slope then expected.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgc8q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5b474","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Extreme west wind continues to redistribute loose snow where it is available and build fresh wind slabs. Wind slabs can be found in lee terrain features below ridge crests and might be found farther down slope than expected due to the strength of the wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"83lo8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a22dq","text":"A persistent weak layer is buried 40-60 cm deep and consist of a melt-freeze crust. There is uncertainty whether this layer is reactive to human triggers. A triggered wind slab might step down to this layer and result in a larger avalanche than expected.
Recently formed wind slabs may remain reactive to human triggers in specific locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bvbvd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9cmm","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
trong south and westerly wind formed fresh wind slabs on Sunday. Wind slabs will be found below ridge crests and in lee terrain features. The strong wind might have built slabs farther down slope than expected.
Watch for pockets of wind slab on all aspects in exposed terrain and around ridgelines due to recent variable winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ktj3","text":"Alpine features are the most likely culprits for lingering wind slabs, but exercise some caution in exposed treeline features if you are finding stiff snow.
Fresh small pockets of wind slabs may develop with the expected winds and snowfalls on northerly alpine and treeline features. Lingering wind slabs still exist on various aspects in any exposed terrain and around ridgelines. Although their reactivity has gone down lately, they have built in less common locations, which can still catch riders by surprise.
Storm slabs will continue to develop throughout the day, especially in lee areas in the alpine and at treeline. It is almost certain that this new snow will not bond very well to the variety of previous surfaces and will produce a natural avalanche cycle. It is a good day to stay away from avalanche terrain.
Strong winds likely redistribute fresh new snow (10-20 cm) and build reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Use increased caution around treeline or alpine features where these slabs may overlay a weak layer, sun crust or hard wind slabs. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":91,"length":1,"style":"BOLD"},{"offset":148,"length":1,"style
New wind slabs will likely form throughout Friday night and early Saturday morning. These slabs could be larger and more reactive at Kootenay pass where the greatest snowfall amounts are forecasted.
Portions of the north of the region (e.g. Duffey, Hurley) have a a weak layer of faceted grains above a hard melt-freeze crust that is found 30 to 60 cm below the snow surface. A few avalanches over the past week have released on it, with more activity observed in the neighbouring Sea to Sky region. It has been most problematic on north to northeast aspects around 1900 m to 2100 m.
Soft, isolated pockets of wind slab formed during a brief period of moderate wind on Monday. Wind slabs may be most easily triggered where they sit over a sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d7lo1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1egt","text":"Solar triggered cornice failures are possible and can trigger slabs on slopes below.
New wind slabs could form overnight. Look for wind slab on all aspects.
The recent storm snow is expected to be touchy on Tuesday, especially in wind exposed terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpnjo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6qmmk","text":"If the sun is out for extended periods, solar-triggered storm slabs are likely.
New snow and strong southwest wind are building fresh storm slabs. These slabs could be touchy, particularly in wind loaded features and where the new snow sits on a hard and smooth melt-freeze crust.
Over the past week, 30-60 cm of new snow buried a weak layer of facet/crust and surface hoar. This layer is most concerning on south-facing aspects, where a sun crust and facets may be buried, or in open areas at treeline and below, where surface hoar may be preserved. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":94,"length":55,"style":"BOLD"},{"offset":196,"length":35,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"4f5b7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3rgn2","text":"The most reactivity has been seen along the Nakusp to Kaslo corridor (e.g., Goat Range)
The recent storm snow is expected to be touchy on Tuesday, especially in wind exposed terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2j8dn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48l0l","text":"If the sun is out for extended periods, solar-triggered storm slabs are likely.
trong southerly winds continue to form fresh wind slabs on lee features which may be reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"679r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dqjuf","text":" Use ridges or ribs to avoid areas of wind-loaded snow.
30-50 cm of recent storm snow may continue to be reactive to human triggers in specific terrain features. This includes steep sun-exposed slopes, wind loaded slopes, and open convexities at treeline where there could be buried sun crusts or surface hoar layers.
Fresh wind slabs may form overnight and into Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4namo","text":"Strong winds from the north west are expected, look for freshly loaded features on south through east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a3er","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1r0qh","text":"Expect the greatest reactivity in sheltered south facing features, wind slabs may form over a layer of surface hoar on a sun crust.
Storm slabs could be touchy, particularly in wind loaded features and where the new snow sits on a hard and smooth melt-freeze crust.
Fresh wind slabs may form overnight and into Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"sr3h","text":"Strong winds from the north west are expected, look for freshly loaded features on south through east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f1iep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84gnc","text":"Expect the greatest reactivity in sheltered south facing features, wind slabs may form over a layer of surface hoar on a sun crust.
The recent storm snow is expected to be touchy on Tuesday, especially in wind exposed terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5t635","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dse3u","text":"If the sun is out for extended periods, solar-triggered storm slabs are likely.
New wind slabs have started to form as new snow accumulates with southwest wind. They may be small but reactive if they bond poorly to the old surface.
10-25 cm of recent snowfall and southwest winds are expected to form reactive wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1qqam","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"655br","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices, especially when the temperature is warm or solar radiation is strong.
Fresh wind slabs may form overnight and throughout Monday. Approach wind loaded features like ridgelines with caution. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bisus","text":"Strong winds from the north west are expected, look for freshly loaded features on south through east facing terrain features.
10-20 cm of recent snowfall and southwest winds are expected to form reactive wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5v3dr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3ehem","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices, especially when the temperature is warm or solar radiation is strong.
s the recent snow gradually settles there will still be some unstable slabs at upper elevations. The most likely terrain is wind-loaded slopes, especially along ridgetops, but storm slabs may still be possible on any steep convex slope.
ith 20 to 35 cm of fresh snow, storm slabs will remain reactive at upper elevations on Wednesday. Human triggered avalanches will be likely on steep and wind-loaded slopes.
xpect wind slabs on east facing terrain features. While slabs are expected to be small they may be reactive to human triggers as they have formed over a crust on south facing slopes and on hard surfaces elsewhere. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fcr5s","text":"Old hard wind slabs might still be reactive to human triggers or natural triggers like large cornice falls. Avoid steep, unsupported slopes that sound drum-like or hollow.
New snow has likely left unstable wind slabs on lee terrain features, especially along ridgetops. The slabs could be poorly bonded to the underlying crusts.
The older storm snow may still be bonded poorly to the underlying surface down 25-40 cm and is still expected to be capable of producing large avalanches. The new snow from Thursday may have added to the existing slab or it may have formed thin new slabs over the old storm snow. The newest snow will be most reactive in wind loaded terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a7sgi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5v8ij","text":"The recent storm snow may also result in loose avalanches from steep slopes, especially if the sun makes and appearance in the afternoon.
he recent storm snow is expected to be touchy on Tuesday, especially in wind exposed terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3n6ee","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fbjdl","text":"If the sun is out for extended periods, solar-triggered storm slabs are likely.
With 20 to 40 cm of new snow, storm slabs will remain reactive at upper elevations on Wednesday. Human triggered avalanches will be likely on steep and wind-loaded slopes.
20-40 cm of recent storm snow may continue to be reactive to human triggers in specific terrain features. This includes steep sun-exposed slopes, wind loaded slopes, and open convexities at treeline where there could be buried sun crusts or surface hoar layers.
Wind slab can be found in exposed treeline and alpine terrain. Sensitivity to triggering could be greater where wind slab overlies a crust.
The older storm snow from the weekend may still be reactive and it is recommended to assess the bond between this snow and the underlying surface which may still be weak in isolated terrain. The new storm snow will add to these older slabs or may form reactive new slabs, especially in wind loaded terrain features.
Watch for new wind slab formation on Sunday as new snow accumulates with moderate southwest wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5utk2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brodr","text":"Lingering old wind slabs from the recent northeast wind may still be reactive to human-triggering in exposed high elevation terrain. These would be most likely where they overlie a weak layer from mid-February or in steep, unsupported terrain features.
Watch for new wind slab formation on Sunday as new snow accumulates with moderate to strong southwest wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8javt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b98a","text":"Lingering old wind slabs from the recent northeast wind may still be reactive to human-triggering in exposed high elevation terrain. These would be most likely where they overlie a weak layer from mid-February or in steep, unsupported terrain features.
Up to 10 cm of fresh snowfall, and 10-20 cm of low density snow from the previous storm has been redistributed by strong southerly winds, forming reactive windslabs in leeward terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":155,"length":9,"key":0},{"offset":168,"length":7,"key":1}],"data":{}},{"key":"33ebj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9i589","text":"Older, larger, firmer windslabs sit on top of the mid February rain crust on most aspects. Deeper avalanches failing at this layer are less likely, but could have more serious consequences. Larger triggers like cornice or ice falls have the potential to trigger deeper windslabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84if4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"tt4n","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":2},{"offset":72,"length":6,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#wind-slab"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"
Strong winds and expected snowfalls (up to 15 cm) will likely reload previously scoured slopes and build fresh and reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Uncertainty remains in how well the developing slabs will bond to hard and smooth surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":138,"length":56,"key":0}],"data":{}},{"key":"1q05","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https:/
Strong winds and expected snowfalls (up to 15 cm) will likely reload previously scoured slopes and build fresh and reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Uncertainty remains in how well the developing slabs will bond to underlying varied snow surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":137,"length":1,"style":"BOLD"},{"offset":194,"length":1,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"7rvs4","text":"
Wind slab could be found on north and east aspects. Sensitivity to triggering could be greater where wind slab overlies a crust.
20 to 40 cm of recent storm snow will bond relatively quickly in most areas, but may still produce avalanches in specific terrain features. This includes wind loaded slopes and open convexities at treeline where it may sit above sun crusts or feathery surface hoar.
Wind slab could exist on all aspects in exposed treeline and above. Sensitivity to triggering is greatest where wind slab has formed over a crust.
A persistent weak layer of facets on a crust exists 30-60 cm below the surface and has been reactive to human triggers, especially on northerly aspects around treeline. Recent avalanche activity has primarily occurred between 1600 and 2000 m and includes some occurrences of remote triggering. Numerous natural and human-triggered avalanches occurred on this interface at the end of last week, and the interface is expected to remain reactive.
The new storm snow is expected to form touchy new slabs, especially in wind loaded terrain. While the older storm snow appears to be bonding well to the underlying crust layer, it may still be reactive in isolated areas.
10-15 cm of new snow and moderate southwest winds on Friday night formed fresh wind slabs on lee features in open terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cntrt","text":"These wind slabs may be especially reactive to human triggers where they are sitting on a weak layer of surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":104,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"
A weak layer of faceted grains above a hard melt-freeze crust may be found around 40 to 80 cm deep. This layer continues to produce large avalanches that have the potential to propagate far. It is most likely to be triggered on northwest to northeast aspects at treeline and alpine elevations.
Freezing levels are dropping, but mild daytime warming and spots of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7r3cg","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqseu","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aprq4","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely.","type":"u
There is potential for the formation of new wind slabs on Thursday in areas that receive more than 10 cm of snow and strong southwest wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5o8ic","text":"If you are seeing more than around 25 cm of new snow accumulation along the immediate coastal areas, a more widespread storm slab problem may develop and the local avalanche danger may be higher than stated.
30-50 cm of recent snow and moderate southwest winds formed fresh storm slabs that have been most reactive in wind-affected terrain; especially where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":187,"length":12,"key":0}],"data":{}},{"key":"54rvv","text":"In steep sheltered terrain, small dry-loose sluffs may be reactive to human-triggering. Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
Avoid avalanche terrain if the snowpack becomes wet and unsupportive to your weight. At lower elevations, a poor overnight crust recovery followed by above freezing temperatures and rain may cause wet slab and wet loose avalanches to continue on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s638","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6sp34","text":" If the sun comes out on Thursday, wet loose activity can be expected on steep solar aspects at all elevations.
Reactive wind slabs may be lingering from the weekend in exposed alpine terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9e7nl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80uej","text":"Ongoing wind slab formation may be possible on Monday with periods of strong NW wind expected. However, this will depend on the extent of the surface melt-freeze crust. If a crust has formed on high elevation north aspects, wind slab formation will be unlikely. If you are still finding dry, unconsolidated surface snow, wind slab formation remains possible.
The older storm snow from the weekend may still be bonded poorly to the underlying surface and is still capable of producing large avalanches. The new snow on Thursday will continue to add to this existing slab or may form thin new slabs over the old storm snow. The new snow will be most reactive in wind loaded terrain features.
Reactive wind slabs may be lingering from the weekend in exposed alpine terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akc49","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"as4mq","text":"Ongoing wind slab formation may be possible on Monday with periods of strong NW wind expected. However, this will depend on the extent of the surface melt-freeze crust. If a crust has formed on high elevation north aspects, wind slab formation will be unlikely. If you are still finding dry, unconsolidated surface snow, wind slab formation remains possible.
The wind is forecast to blow moderate to strong from the northeast overnight Tuesday to Wednesday. Fresh wind slabs will build behind ridge crests and in lee terrain features in the alpine and at exposed treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34n4c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5sqa7","text":"On Sunday, strong to extreme wind from the northwest formed wind slabs. These slabs might still be reactive to human triggers, especially where they sit on feathery surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6sltp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7miv3","text":"Triggered wind slabs might step down to deeper buried weak layers and result in larger avalanches.
Though stability is improving, human triggering of storm slabs should remain on your radar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3kqks","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8gk06","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"as3do","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9gfuo","text":"Cornices have grown during the last system as well so give them a wide berth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cus47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mh3d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el2kt","text":"
The wind will switch to west and become strong in the afternoon. Fresh wind slabs will form where soft snow is available for transport. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9b22t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2h62v","text":"Older wind slabs from previous extreme west and northwest wind might still linger and be reactive to human triggers, especially where they overlie feathery surface hoar.
his weekend could feel like a time to push into more extreme terrain. Pockets of wind slab likely still exist and even small avalanches can have serious consequences in places like this. Assess your run entries with care.
trong southwest wind will form fresh wind slabs throughout the day in areas where soft snow is available for transport. Wind slabs will be found below ridge crests and in lee terrain features.
15 to 25 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3i1q","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"birl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"
As freezing levels rise over the weekend, storm slabs may become more reactive. Assess large, connected features closely and have a plan B if things feel too warm.
Expect to find freshly wind-loaded features that may be reactive to human triggers as snowfall and southwest winds create wind slabs in lee features in the alpine and treeline.
A buried crust layer produced large avalanches last weekend. While the snow above the crust has been strengthening, it may become reactive again as temperatures warm on Saturday afternoon, especially when it starts to rain. This problem is most likely found on convex wind-loaded slopes.
10-20 cm of forecast snow and strong west winds on Friday night will form fresh wind slabs on lee features in open terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80afj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dajcl","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
10-20 cm of forecast snow and moderate west winds on Friday night will form fresh storm slabs that will be most reactive in wind affected terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"m6mg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feam6","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Small, fresh wind slabs will likely be reactive as they form. Deeper wind slabs may be triggerable over a slick crust.
Continued loading from new snow has formed storm slabs on all aspects. As the snow stacks up, storm slab size and sensitivity to triggering has increased. This is especially true in the southwest part of the region where we have seen the greatest snowfall amounts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":43,"length":11,"key":0}],"data":{}},{"key":"6gl5g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"838ap","text":"Even in lower snowfall areas, don't discount the moderate to strong southwest winds, loading lee slopes around ridge crests, as well as cross-loaded features. Sticking to sheltered lower angle terrain out of the alpine is a good bet.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ukc0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type"
5-15 cm of forecast snow and strong west winds on Friday night will form fresh wind slabs on lee features in open terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"26u3p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffa28","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Recently formed wind slabs may remain reactive to human triggers in specific locations; especially where they are sitting on a slippery sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bvbvd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9cmm","text":"Cornices are very large in many areas, be aware of what's above your head.
10-20 cm of forecast snow and moderate west winds on Friday night will form fresh storm slabs that will be most reactive in wind affected terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fkjk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6u1rm","text":"Cornices are very large in many areas. Cornice failures may trigger large avalanches on the slopes below.
Wind slabs could still be found at higher elevations. These wind slabs will likely be small but could be sensitive to rider traffic due to the crust underneath.
A weak layer may be found around 50 to 100 cm deep. The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. Riders continue to trigger large avalanches each day across much of the region.
15 to 25 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ohb0","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline.
20 to 40 cm of recent storm snow is bonding relatively quickly in most areas, but may still produce avalanches in specific terrain features. This includes steep sun-exposed slopes, wind loaded slopes, and open convexities at treeline where there could be buried sun crusts or surface hoar layers.
Continued loading from new snow and wind has formed storm slabs on all aspects. As the snow stacks up, storm slab size and sensitivity to triggering has increased. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":11,"key":0}],"data":{}},{"key":"29hsk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4c2e","text":"Even in lower snowfall areas, don't discount the moderate to strong southwest winds, loading lee slopes around ridge crests, as well as cross-loaded features. Sticking to sheltered lower angle terrain out of the alpine is a good bet.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jslu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8lfo6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ktj3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type"
New wind slabs have started to form as new snow accumulates with southwest wind. They may be small but touchy where they sit over a hard and smooth melt-freeze crust.
Small amounts of new snow will be distributed into wind slabs in immediate lee features at upper tree line and alpine elevations. These avalanches could be an issue in more extreme terrain. Take your first few turns with caution and keep your head up while high-marking as this problem is more likely present at the tops of slopes.
40 to 60 cm in the North and up to 80 cm in the South of recent storm snow has blanketed upper elevations. The likelihood of triggering a storm slab increases in steep or convex terrain and in wind loaded areas at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"13c2","text":"Looming cornices have grown large during the recent storm. They could pose threat from above and below and weaken when the sun is out.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6su46","text":"
Storm slabs will continue to develop throughout the day where precipitation falls as snow. The new snow does not appear to be bonding well to underlying surfaces in many areas. Storm slabs are especially likely to be triggered in steep or convex terrain and in wind loaded areas.
Storm slabs will continue to develop throughout the day at elevations where precipitation falls as snow. Widespread natural avalanche activity is expected with heavy snowfall in the south of the region.
Ongoing snowfall, strong southwest wind and rising freezing levels will combine to increase avalanche danger throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"20jco","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11h21","text":"Storm slabs will become increasingly sensitive to human triggering and a natural avalanche cycle will begin as snow stacks up. Avoiding avalanche terrain and staying clear of overhead hazard is the best way to stay safe during periods of heavy snow accumulation.
A persistent weak layer of facets on a crust exist 50 cm below the surface and has been touchy to human triggers, especially on northeast aspects at treeline (1700-1900 m). Remote triggering (from a distance away) is possible and a few size 2-2.5 avalanches failed easily on this layer Wednesday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"typ
xpect wind slabs on east facing terrain features. While slabs are expected to be small, they may be reactive to human triggers as they have formed over a crust on south facing slopes and on hard surfaces elsewhere. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"33maq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"Avoid steep, unsupported slopes that sound drum-like or hollow.
Upside-down storm slabs sit over a slippery crust. Natural avalanche activity is expected to continue with precipitation into Tuesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK"
Storm slabs may be reactive to human triggering, especially in steep or convex terrain and wind-loaded areas in the alpine, especially where they sit above a firm and slippery crust. Wet slabs may be seen at treeline elevations and on solar aspects as the sun and warming destabilize the upper snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1mffl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49rri","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lca6","text":"
Avalanches may involve fresh storm snow, or include the settling storm snow received over the weekend. Expect strong west/southwest winds to build larger slabs in east facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4aico","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6c20t","text":"Human triggering and natural activity is more likely on south facing terrain features, where storm snow accumulates above a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"Lower elevations will again see mixed precipitation or rain. Avalanches are likely where the surface snow is wet or moist, or where rain breaks down a surface crust.
Expect most wind loading to be found on east facing slopes (lee to west/southwest winds).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4s0j5","text":"Sensitivity to human triggers will be greatest on south facing slopes where storm snow overlies a crust.
Variable winds on Monday will deposit new snow into reactive wind slabs in upper treeline and alpine leeward features. Old wind slabs still exist so be suspicious of the presence of wind slab in any break-over in terrain.
Steady wind will redistribute fresh snow (15-25 cm) and build reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Use increased caution around treeline or alpine features where these slabs may overlay weak snow, sun crusts, or hard wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":84,"length":1,"style":"BOLD"},{"offset":141,"length":1,"style":"BOLD"},{"offset":172,"length":27,"style":"BOLD"}],"entityRanges":[{"offset":71,"length":10,"key":0}],"data":{}}],"entityMap":{"0":{"type
Weak layers from February (mostly crusts and surface hoar) are likely down around 60 cm and may become more reactive as the overlying snow settles into a denser slab. Two weak layers of surface hoar from January are likely down 100 cm or more and are primarily a concern in the east half of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e067v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6bn58","text":"A 1-5 cm thick crust that formed in early March could make it more difficult to affect these layers with the weight of a human or snowmobile, BUT if you aren't feeling the crust underneath you, or if you feel like your turns are digging in below it, choose simpler terrain and give avalanche terrain a wide berth. Remote triggered avalanches have been recently reported on this layer.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhlqo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Diligent terrain selection is required for this type of avalanche problem. Signs of instability may not be visible on the surface, and the resulting avalanches will be large. An important part of your strategy would be to avoid rocky start zones below ridgetops and convex rolls.
Steady winds will redistribute fresh snow (15 to 25 cm) and build reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Use increased caution around treeline or alpine features where these slabs may overlay weak snow, sun crusts, or hard wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":88,"length":1,"style":"BOLD"},{"offset":145,"length":1,"style
Ongoing snowfall, southwest wind and rising freezing levels will combine to make dangerous avalanche conditions as the day progresses. Storm slabs will become increasingly sensitive to human triggering and a natural avalanche cycle will begin as snow stacks up. Avoiding avalanche terrain and staying clear of overhead hazard is the best way to stay safe during periods of heavy snow accumulation.
Storm slab avalanches are likely in steep terrain at all elevations, as 30 to 50 cm of fresh snow needs time to stabilize. Natural avalanches will likely continue on wind loaded slopes in the alpine and human triggered avalanches are likely at all elevations and aspects.
15 to 30 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dlio2","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline.
Storm slab avalanches are likely in steep terrain at all elevations, as 25 to 45 cm of fresh snow needs time to stabilize. Some natural avalanches are possible on wind loaded slopes in the alpine.
New snow and strong southwest winds may build fresh and reactive wind slabs. Wind slabs can be expected in leeward terrain features in the alpine and treeline. These wind slabs will be most reactive where they overlie a slick crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a6os","text":"
Human triggering of storm slabs should remain on your radar. Thursday night's snow may slide easily on the underlying crust that has been reported as high as 2200 m.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vo1j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3matu","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49bs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54tke","text":"If you don't find a crust on or near the surface, or if you easily break through the crust, it will be possible to trigger avalanches deeper in the recent storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"drd8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aa9gm","text":"Cornices have grown during the last system as well so give them a wide berth.
Fresh storm slabs have been touchy and showed wide propagation on Monday. They will likely remain reactive as they increase in size with new snow and wind Tuesday. They are most likely to be triggered in deeper deposits of freshly wind loaded snow or in wind-sheltered areas where they sit over a weak layer of surface hoar.
Continued loading from new snow has formed storm slabs on all aspects. These have been more reactive where slabs sit on top of crusts or cold sugary crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":43,"length":11,"key":0}],"data":{}},{"key":"2qv66","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80fqb","text":"Continue to make conservative choices and give the storm snow time to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"874p0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dj4o8","text":"The first punch of sun after the storm could make storm slab avalanches more likely, use extra caution on slopes facing the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type"
15 to 30 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ib69","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline.
Recent snow and strong southwesterly winds have set up wind slabs in exposed areas. On Monday the wind is expected to switch to northwesterly, potentially loading slopes on south and east facing slopes.
Incremental loading from new snow and moderate to strong southwest winds will increase the size and reactivity of wind slabs. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jslu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8lfo6","text":"Some older and deeper pockets of wind slab on all aspects in exposed terrain and around ridgelines may linger due to last week's variable wind directions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ktj3","text":"
Recent storm slabs likely remain triggerable by riders. They most likely place to trigger a storm slab is in wind loaded terrain features.
Watch for new wind slab formation in lee terrain on Sunday as new snow starts to accumulate with southwest wind. In parts of the region with higher snowfall amounts, this may present more as a storm slab problem on all aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":14,"length":9,"key":0},{"offset":193,"length":10,"key":1}],"data":{}},{"key":"5utk2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brodr","text":"Lingering old wind slabs from the recent northeast wind may still be reactive to human-triggering in exposed high elevation terrain. These would be most likely where they overlie a weak layer from mid-February.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avysavvy.avalanche.ca/en-ca/wind-slabs"}},"1":{"type"
Fresh storm slabs may be touchy and propagate widely if they bond poorly to the old surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"djfts","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bba0h","text":"In the north of the region where less snow is expected, the problem will be specific to wind loaded aspects at upper elevations.
Up to 30 cm of recent storm snow has been redistributed by moderate to strong southeast through southwest winds, forming reactive windslabs in leeward terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":130,"length":9,"key":0},{"offset":143,"length":7,"key":1}],"data":{}},{"key":"p6h4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"99k5h","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":2},{"offset":72,"length":6,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#wind-slab"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"
Up to 50 cm of recent storm snow has been redistributed by moderate to strong southeast through southwest winds, forming reactive windslabs in leeward terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":130,"length":9,"key":0},{"offset":143,"length":7,"key":1}],"data":{}},{"key":"91piu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a4jt","text":"The most likely place to trigger a wind slab is near ridge crest and on convex terrain features. Use extra caution when dropping into a run, highmarking, or travelling on ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":52,"length":12,"key":2},{"offset":72,"length":6,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#wind-slab"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"3":{"
Strong winds likely redistribute fresh snow (10-15 cm) and build reactive wind slabs on any exposed terrain, lee features, and around ridgelines. Use increased caution around treeline or alpine features where these slabs may overlay a weak layer, sun crust or hard wind slabs. Uncertainty remains in how well the developing slabs will bond to hard and smooth surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":87,"length":1,"style":"BOLD"},{"offset":144,"length":1,"style":"BOLD"},{"offset":175,"length":27,"style":"BOLD"}],"entityRanges":[{"offset":74,"length":10,"key":0}],"data":{}},{"key":"1q05","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type
Fresh storm slabs will build throughout the day. Their size and sensitivity will increase as the day progress. Use increased caution around treeline, where these slabs may overlay a weak layer, sun crust or hard wind slabs. Lee slopes, ridge crests and cross-loaded terrain are features of concern during a storm.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":140,"length":9,"style":"BOLD"}],"entityRanges":[{"offset":6,"length":10,"key":0},{"offset":16,"length":1,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avysavvy.avalanche.ca/en-ca/storm-slabs"}},"1":{"type"
Fresh storm slabs will build throughout the day. Their size and sensitivity will increase as the day progress. Use increased caution around treeline, where these slabs may overlay a weak layer, sun crust or hard wind slabs. Lee slopes, ridge crests and cross-loaded terrain are features of concern during a storm.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":140,"length":9,"style":"BOLD"}],"entityRanges":[{"offset":6,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type"
Wind slabs exist in exposed treeline and alpine terrain. Size and sensitivity to triggering could be greater where wind slab has formed over a crust.
Human triggering of storm slabs should remain on your radar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"elg92","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6gl5g","text":"35-50 cm of recent snow is sitting on generally firm, old surfaces. So far, very little avalanche activity has been seen on this layer, possibly due to mostly light winds, and a general lack of slab properties in the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":194,"length":4,"key":0}],"data":{}},{"key":"7r9sh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e21t2","text":"As the storm snow settles with time, and with the sun warming southerly slopes, slab avalanches could become more likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":18,"length":7,"key":1}],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#slab"}},"1":
Though stability is improving, human triggering of storm slabs should remain on your radar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3kqks","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8gk06","text":"Test the bond of new snow on smaller terrain features with low consequences as you travel through various elevation bands and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48ftl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qk4s","text":"The first punch of sun after the storm could make storm slab avalanches more likely, use extra caution on slopes facing the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"as3do","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9gfuo","text":"Cornices have grown during the last system as well so give them a wide berth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cus47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mh3d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el2kt","text":"
Fresh storm slabs will likely be reactive as the new snow is not expected to bond well to the old surface. They are most likely to be triggered in deeper deposits of freshly wind loaded snow.
20-60 cm of recent storm snow, warm temperatures, and moderate southwest winds have formed storm slabs that have been most reactive in wind-affected terrain, or where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":204,"length":12,"key":0}],"data":{}},{"key":"9d59q","text":"In steep sheltered terrain, small dry-loose sluffs may be reactive to human-triggering. Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
Storm slabs will be deep and reactive, with 70-120 cm of new and recent snow sitting over a slick crust.
Portions of the north of the region (e.g. Duffey, Hurley) have a a weak layer of faceted grains above a hard melt-freeze crust that is found 30 to 60 cm below the snow surface. A few avalanches slid on it last week, with more activity observed in the neighbouring Sea to Sky region. It has been most problematic on north to northeast aspects around 1900 m to 2100 m.
ecent moderate to strong winds have been blowing from the southeast through southwest. Windslabs can be more reactive when they are fresh, so use extra caution if you can see blowing snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"33maq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"43ro5","text":"Watch for signs of instability, like shooting cracks or recent avalanches. Avoid steep, unsupported slopes that sound drum-like or hollow.
A persistent weak layer of facets on a crust exists 30-70 cm below the surface and has been touchy to human triggers, especially on northerly aspects around treeline. Recent avalanche activity has primarily occurred between 1600 and 2000 m and includes some occurrences of remote triggering (from a distance away). Numerous natural and human-triggered avalanches occurred on this interface on Wednesday and Thursday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"typ
Storm slabs may still be reactive to human triggering, especially in steep or convex terrain and wind-loaded areas in the alpine. These slabs may persist for longer than normal where they sit above a firm crust which potentially has weak facets above it. New wind slabs may form on Saturday with moderate northerly winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2591j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3h6c2","text":"While we are generally not expecting the storm snow to transition to a persistent slab problem in most of the region including the North Shore, other parts of the region may be more similar to the adjacent regions. Check out the new forecaster blog for details on the persistent problem in adjacent regions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":229,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTA
Wind slabs may exist in lee terrain features in the alpine and treeline, formed by recent snowfall and westerly winds. These wind slabs will be most reactive where they overlie a slick crust.
Warm temperatures and sun throughout the day may soften the surface crust and weaken the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84arj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ah5io","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
Elevated freezing levels mean that wet loose avalanches are still possible. size and likelihood of these avalanches could increase on south and west facing slopes in the afternoon if the sun comes out.
s winds start to pick up on Monday, 30-40 cm of recent unconsolidated snow will likely be redistributed into winds slabs. Windslabs are most reactive when they are fresh, so use extra caution if you can see blowing snow.
New storm and wind slabs will have form throughout the day on Monday. Size and sensitivity to triggering will be greatest near ridge crests and steep roll overs on north and east facing terrain where wind loading is likely to occur.
Over the past week, 40-80 cm of new snow buried a weak layer of surface hoar and facet/crust. This layer has been most reactive on shaded aspects at treeline, but caution should be taken on all aspects as this problem unfolds. Terrain features to be particularly cautious of include the lee side of ridges, openings in trees, cut blocks, and burns. Remote-triggering is a concern. Be aware of above and adjacent slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":63,"length":1,"style":"BOLD"},{"offset":76,"length":1,"style":"BOLD"},{"offset":80,"length":1,"style":"BOLD"},{"offset":94,"length":64,"style":"BOLD"},{"offset":226,"length":1,"style":"BOLD"}],"entityRanges":[{"offset":64,"length":12,"key":0},{"offset":81,"length":11,"key":1},{"offset":349,"length":17,"key":2}],"data":{}},{"key":"bttv7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fner7","text":"The most reactivity on this layer has been seen in the McBride, Valemount, and Blue River corridors.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#facet-crust-layer"}},"2":{"type":"LINK","
The most recent storm buried a weak layer of surface hoar. This layer has produced large and surprising human-triggered avalanches in the past week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8htni","text":"The most reactivity on this layer has been seen on wind-loaded, east-facing slopes in the alpine and treeline, but caution should be taken on all aspects as this problem unfolds. Remote-triggering is a concern. Be aware of above and adjacent slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":109,"style":"BOLD"}],"entityRanges":[{"offset":179,"length":17,"key":0}],"data":{}},{"key":"bd408","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7bgp6","text":"The most reactivity on this layer has been seen in the McBride corridor and Pine Pass area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","
Expect most wind loading to be found on east facing slopes (lee to west/southwest winds).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"74c8s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3frj","text":"Wind loading may sit over a crust on south facing slopes, or a buried layer of weak, feathery crystals in sheltered treeline terrain. Likelihood of human triggering is higher in these features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"47g0s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fli30","text":"Watch and listen for signs of instability, like shooting cracks or whumpfs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":21,"length":20,"key":0}],"data":{}},{"key":"amhmc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"L
If the sun comes out on Wednesday, warm temperatures compounded by strong solar radiation may weaken the upper snowpack, creating wet loose avalanches out of steep terrain.
Recent snowfall and westerly winds are expected to have formed wind slabs in lee features in the alpine. Watch for areas where recent slabs are overlying a sun crust that can act as a perfect bed surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kv8d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"85at2","text":"Cornices may have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
Last week's 30 to 60 cm of storm snow has formed a persistent slab above weak layers in some areas. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes, especially north and south of Nelson in the Selkirk Range. At this point, we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ifk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq9kj","text":"Several other crust/facet layers exist in the upper 150 cm of the snowpack. Human-triggered avalanches on these layers are unlikely, but large triggers such as a cornice failure, or a smaller avalanche stepping-down to these layers is possible. Be extra cautious during period of rapid loading, significant warming, or strong solar radiation.
Last week's 30 to 60 cm of storm snow has formed a persistent slab above weak layers in some areas. This is a concern where there is a poor bond to underlying sun crust layers on south-facing slopes and surface hoar crystals on north-facing slopes. This problem seems most pronounced in the Selkirks around Nelson and around Kootenay Pass. (read more in this blog).","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":158,"length":40,"style":"BOLD"},{"offset":203,"length":44,"style":"BOLD"}],"entityRanges":[{"offset":341,"length":22,"key":0}],"data":{}},{"key":"4ifk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq9kj","text":"Several other crust/facet layers exist in the upper 100 cm of the snowpack. Human-triggered avalanches on these layers are unlikely, but large triggers such as a cornice failure, or a smaller avalanche stepping down to these layers is possible. Be extra cautious during period of rapid loading, significant warming, or strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK",
ecent snowfall and westerly winds are expected to have formed wind slabs on lee features in the alpine. Watch for areas where recent slabs are overlying a sun crust that can act as a perfect bed surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4nb2a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edhm7","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
Recent snowfall and westerly winds are expected to have formed wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5v3dr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3ehem","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices, especially when the temperature is warm or solar radiation is strong.
ew snowfall with moderate to strong southwest wind is expected to form reactive new wind slabs on Sunday. These may be touchy where they overlie a firm crust.
Moderate southwest winds have formed wind slabs at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eeh62","text":"These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar in sheltered treeline terrain features, or a sun crust on south facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":100,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
New wind slab could be found in exposed treeline and alpine terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3is7m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obf2","text":"Storm slab could be found on all aspects treeline and above in areas that receive more then 20 cm of storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcmlm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"abrp1","text":"As the freezing level rises wet slabs and wet loose avalanches may occur.
This is mainly a concern in the western part of the region that received greater snowfall amounts last week. 30 to 70 cm of settled storm snow has shown evidence of forming a persistent slab above weak layers. The most reactivity has been observed on south-facing aspects, with reports of a poor bond to underlying sun crust layers. Weak surface hoar crystals may also exist in isolated areas on north-facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":210,"length":61,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"dhpub","text":"
Wind slab could be found in exposed treeline and alpine terrain. Strong winds mean that wind slab could be found further down slope than expected.
New storm slabs will likely form throughout the day. These slabs will be largest and most reactive near ridge crests where wind loading is a factor.
Watch for recently formed wind slabs in exposed high elevation terrain if you are finding more than around 10 cm of new snowfall from Thursday.
New wind slabs can be found on North and East aspects in exposed treeline and alpine terrain. Strong winds in the alpine mean that wind slab could be found further down slope than expected.
New snow and wind are building fresh and reactive wind slabs in lee terrain features at upper elevations. Features where wind deposited snow tends to accumulate include just below ridge crests and roll overs and on the lee side of rib features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"amhmc","text":"
As freezing levels rise the size and likelihood of wet loose avalanches will increase.
Last week's 30 to 60 cm of storm snow has formed a persistent slab above weak layers in some areas. This is a concern where there is a poor bond to underlying sun crust layers on south-facing slopes and surface hoar crystals on north-facing slopes. This problem seems most pronounced in the Selkirks around Nelson and around Kootenay Pass. (read more in this blog).","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":158,"length":40,"style":"BOLD"},{"offset":203,"length":44,"style":"BOLD"}],"entityRanges":[{"offset":341,"length":22,"key":0}],"data":{}},{"key":"4ifk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq9kj","text":"Several other crust/facet layers exist in the upper 100 cm of the snowpack. Human-triggered avalanches on these layers are unlikely, but large triggers such as a cornice failure, or a smaller avalanche stepping down to these layers is possible. Be extra cautious during periods of rapid loading, significant warming, or strong solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK",
Recent southwest wind has formed wind slabs in exposed terrain at higher elevations. These slabs are expected to remain reactive to human triggering on Friday.
Recent moderate southwest winds have formed wind slabs on lee features at treeline and above that may be reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evpse","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d8dit","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3cf2m","text":" Use ridges or ribs to avoid areas of wind-loaded snow.
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"etd5a","text":"On south facing slopes a layer of crust and facets  can be found at all elevations. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7e57a","text":"On other aspects, a large layer of surface hoar is most concerning on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fner7","text":"The most reactivity has been seen in the McBride, Valemount and Blue River area. More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":111,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3s6qi","text":"On south facing slopes a layer of crust and facets  can be found at all elevations. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"acvt6","text":"On other aspects, a large layer of surface hoar is most concerning on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4urp6","text":"Most reactivity has been seen around Malakwa (Queest/Gorge area), Highway 23 North (Downie Creek and Goldstream FSR areas) and terrain surrounding Valemount and Blue River. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alndo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqmn9","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aijg2","text":"On south facing slopes a layer of crust and facets that can be found at all elevations. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2tooj","text":"On other aspects, a large layer of surface hoar is most concerning on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9anhp","text":"Avalanche activity has been most notable long the Nakusp to Kaslo corridor and north of Nelson.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"998gk","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
0-40 cm of new snow is forecast to fall with strong wind in the White Pass area Tuesday. Fresh storm slabs are likely to run naturally during the storm.
30-50 cm of new snow fell at upper elevations with strong wind on Tuesday. Storm slabs likely remain triggerable on Wednesday. If triggered, storm slab avalanches have potential to step down to deeper layers and/or entrain wet snow and run to low elevations.
New wind slabs may form above the rain-snow line with additional snow and strong southwest wind. Use particular caution if you are finding more than 20 cm of fresh snow, as the resulting slabs could be deep and touchy.
Moderate to strong southwest wind will build fresh and reactive wind slabs. Wind slabs can be expected in leeward terrain features in the alpine and treeline. These wind slabs will be most reactive where they overlie a slick crust.
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"etd5a","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east)","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7e57a","text":"On other aspects, a large layer of surface hoar may be preserved on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fner7","text":"The most reactivity has been seen in the McBride, Valemount and Blue River area. More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":111,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
Wind slabs may remain reactive especially where they have formed over a crust. With recent strong winds, slabs may lurk further downslope or in less common locations.
New wind slab could form throughout the day on Saturday in exposed treeline and alpine.
Buried weak layers continue to produce large natural and rider triggered avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6stig","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east) in most terrain. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"95gjr","text":"On shaded slopes, a layer of surface hoar may be preserved in sheltered treeline features. This layer is less widespread but still reactive. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fner7","text":"The most reactivity has been seen in Valemount and Blue River area. More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":98,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New storm and wind slabs will form over Friday night and during the day on Saturday. These slabs will be largest on Northerly aspects where wind loading is most likely to occur.
Moderate southwest winds have formed wind slabs at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eeh62","text":"These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":100,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Expect to find wind-loaded features that may be reactive to human triggers as new snow and westerly winds create wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kv8d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"85at2","text":"Cornices may have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
A buried crust on south facing slopes continues to be sensitive to human triggering, producing large avalanches within the last 3 days. Short periods of sunshine may increase likelihood of triggering on south facing features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6t9hh","text":"A spotty layer of surface hoar buried on sheltered and shaded terrain features at treeline has also shown recent reactivity. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cd51h","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"998gk","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New storm slabs will likely form over Friday night and during the day on Saturday. These slabs will be largest and most reactive on northerly aspects where wind loading will likely occur.
0-40 cm of new snow has fallen in the White Pass area. Fresh storm slabs and loose dry avalanches are likely triggerable by riders.
New wind slab will likely form overnight on northerly aspects at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3is7m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obf2","text":"Storm slab could be found on all aspects treeline and above in areas that receive more then 20 cm of storm snow. This is likely to occur in the 5040 Peak area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcmlm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"abrp1","text":"Slab avalanches could be more sensitive to rider traffic where they have formed over a crust.
This layer has been most active at treeline elevations, but may extend into the low alpine, and upper below treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k68t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ajitf","text":"Two snowpack characteristics are required for this to be an avalanche problem in your area. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37dht","text":"a layer of preserved, feathery surface hoar crystals. (40-120 cm below the snow surface)","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3crlk","text":"a dense slab sitting on top of the weak layer. (most likely on slopes that were loaded by wind over the last week)","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2srp2","text":"Avoiding this problem will require extensive knowledge of the snowpack in your area. Be very diligent in your information gathering, or stick to simple, low consequence terrain. Signs of instability like whumpfs, shooting cracks, and recent avalanches are all cues to retreat to mellower terrain.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":178,"length":20,"key":0}],"data":{}},{"key":"fgk76","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3cen","text":"Spread out while travelling to avoid exposing multiple people to a suspect slope. Consider the terrain that is above you, as this layer may trigger remotely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":148,"length":8,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#signs-of-instability"}},"1":{"type":"LINK","
Recent snowfall and westerly winds are expected to have formed wind slabs in lee features in the alpine. Watch for areas where recent slabs are overlying a sun crust that can act as a perfect bed surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kv8d","text":"
Wind slabs may exist in lee terrain features in the alpine and treeline, formed by recent snowfall and westerly winds. These wind slabs will be most reactive where they overlie a slick crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a6os","text":"
Deep and reactive storm slabs are building at elevations where precipitation falls as snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"
xpect to find freshly wind-loaded features that may be reactive to human triggers as snowfall and westerly winds create wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4nb2a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edhm7","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aijg2","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east)","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2tooj","text":"On other aspects, a large layer of surface hoar may be preserved on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"998gk","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New wind slab will likely be found near ridge crests on northerly aspects.
New snow continues to add load to a weak layer buried 30-60 cm deep. Large avalanches have been triggered on these layers within the last 3 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3s6qi","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east)","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"acvt6","text":"On other aspects, a large layer of surface hoar may be preserved on sheltered treeline slopes. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4urp6","text":"Most reactivity has been seen around Malakwa (Queest/Gorge area), Highway 23 North (Downie Creek and Goldstream FSR areas) and terrain surrounding Valemount and Blue River. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alndo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqmn9","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
Buried weak layers continue to produce large natural and rider triggered avalanches. Short periods of sunshine may increase likelihood of triggering on south facing features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hie3","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east) in most terrain. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnjgf","text":"On shaded slopes, a layer of surface hoar may be preserved in sheltered treeline features. This layer is less widespread but still reactive.  ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4urp6","text":"Most reactivity has been seen around Malakwa (Queest/Gorge area), Highway 23 North (Downie Creek and Goldstream FSR areas) and terrain surrounding Valemount and Blue River. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alndo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqmn9","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
Buried weak layers continue to produce large natural and rider triggered avalanches. Short periods of sunshine may increase likelihood of triggering on south facing features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aiu9m","text":"A layer of crust and facets can be found at all elevations on sun affected slopes (south through east) in most terrain. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2tooj","text":"On shaded slopes, a layer of surface hoar may be preserved in sheltered treeline features. This layer is less widespread but still reactive.  ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"998gk","text":"More information can be found here in the new forecaster blog. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":30,"length":4,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK",
New wind slab could be found in exposed treeline and alpine terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3is7m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obf2","text":"Storm slab could be found on all aspects treeline and above in areas that receive more then 20 cm of storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcmlm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"abrp1","text":"Slab avalanches could be more sensitive to rider traffic where they have formed over a crust.
Warm temperatures and sun throughout the day may quickly soften and weaken surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3i6aa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11eb6","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
ind will continue to redistribute loose snow. Be cautious of wind slabs lurking in immediate lee features and cross-loaded gullies at treeline.
Warm temperatures and sun throughout the day may quickly soften surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fapo9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9q4p","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
A weak layer may be found around 50 to 100 cm deep. The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. Large rider-triggered avalanches continues to occur each day across much of the region.
Slabs may remain reactive as steady winds continue to move loose snow. Recent winds have shifted from southerly to northeast to west, possibly reverse loading features and building slabs in less common terrain.
The snowpack may have little chance to recover overnight as freezing levels remain high. Warm temperatures and sun throughout the day will also quickly soften surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87esa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k04","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
The snowpack may have little chance to recover overnight as freezing levels remain high. Warm temperatures and sun throughout the day will also quickly soften surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a57lr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ogit","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
Wind slabs can be expected in lee terrain features in the alpine and treeline, formed by recent snowfall and westerly winds. These wind slabs will be most reactive where they overlie a slick crust.
New snow and strong southwest winds may build fresh and reactive wind slabs. Wind slabs can be expected in leeward terrain features in the alpine and treeline. These wind slabs will be most reactive where they overlie a slick crust.
Recent moderate to strong winds from varied directions have formed wind slabs on a variety of aspects that may remain reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5nhl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k1qj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3udm5","text":" Use ridges or ribs to avoid areas of wind-loaded snow.
Wind slabs likely remain triggerable at elevations where the snow has remained dry. Watch for drifted or wind loaded snow in leeward terrain features with sharp changes in slope angle like ridge crests, ribs and convexities.
Rising freezing levels and periods of strong sunshine throughout the day will create increased likelihood of triggered wet avalanches primarily on south facing and sun affected slopes.
Storm slabs are expected to become touchy and widespread as the storm progresses, especially in wind-loaded terrain. A natural avalanche cycle should be expected in areas which receive the most snowfall.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2lahv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6oqj1","text":"Solar-triggered storm slabs should also be expected on sun-exposed slopes on Sunday afternoon.
ew wind slabs will likely form throughout the day in exposed terrain.
new storm and wind slabs will likely form throughout the day. Size and likelihood of triggering these slabs will be greatest near ridge crests and steep roll overs.
Wind slabs likely remain triggerable at elevations where the snow has remained dry. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"amhmc","text":"
30-50 cm of new snow fell at upper elevations with strong wind on Tuesday. Storm slabs likely remain triggerable by riders, especially in wind loaded terrain features. If triggered, storm slab avalanches have potential to step down to deeper layers.
Last week's 30 to 60 cm of storm snow has formed a persistent slab above weak layers in some areas. This is a concern where there is a poor bond to underlying sun crust layers on south-facing slopes and surface hoar crystals on north-facing slopes. This problem seems most pronounced in the Selkirks around Nelson and around Kootenay Pass. (read more in this blog).","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":158,"length":40,"style":"BOLD"},{"offset":203,"length":44,"style":"BOLD"}],"entityRanges":[{"offset":341,"length":22,"key":0}],"data":{}},{"key":"4ifk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq9kj","text":"This layer is getting harder for riders to trigger, but it is possible that it could still produce large, surprising avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK",
This is mainly a concern in the western part of the region that received greater snowfall amounts last week. 30 to 70 cm of settled storm snow has shown evidence of forming a persistent slab above weak layers. The most reactivity has been observed on south-facing aspects, with reports of a poor bond to underlying sun crust layers. Weak surface hoar crystals may also exist in isolated areas on north-facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":210,"length":61,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"dhpub","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4jve","text":"This layer is getting harder for riders to trigger, but it is possible that it could still produce large, surprising avalanches.
Recent snowfall and westerly winds are expected to have formed wind slabs in lee features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kv8d","text":"
ecent snowfall and westerly winds are expected to have formed wind slabs on lee features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4nb2a","text":"
The recent storm snow is expected to remain reactive to human-triggering on Wednesday, especially in wind exposed terrain and on steep, convex or unsupported terrain features.
Avoid exposure to large open slopes during intense rain, sun, or warming. High freezing levels and rain has triggered large wet slab avalanches on steep, open terrain features at treeline and below, especially where the snowpack sits over smooth rock slabs or grassy slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9poat","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2jmvu","text":"Wet loose avalanche activity is expected on steep slopes below the freezing line where the surface snow is wet and unsupportive to your weight.
Moderate to strong winds could form wind slab in the alpine. With very little snow available for transport any wind slab that forms will be small.
Wind slabs can still be found in high alpine terrain, where dry snow has been redistributed onto north and east facing slopes. Expect greater reactivity where slabs sit over a crust.
Westerly winds are expected to continue redistributing available snow into wind slabs in lee features in the alpine and treeline.
This layer is getting harder for riders to trigger, but it is possible that it could still produce large, surprising avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87o97","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c45f1","text":"This layer is a concern where there is a poor bond to underlying surface hoar crystals on north-facing slopes. This problem seems most pronounced in the Selkirks around Nelson and around Kootenay Pass.","type":"unstyled","depth":0,"inlineSty
p to 30 mm of wet snow or rain will add to previous storm totals of 30-50 cm sitting on a reactive crust that has produced large avalanches in the last 3 days. A natural cycle may occur overnight during peak precipitation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vn7u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dv32r","text":"Storm snow is expected to be sensitive to human triggers and avalanches may involve the most recent snowfall, or the settling storm snow from the past week.
A weak layer may be found around 40 to 60 cm deep, particularly in the south of the region (e.g., Wells Gray, Blue River, Valemount). The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. This layer is becoming harder to trigger, but a resulting avalanche would be large and destructive.
A weak layer may be found around 50 to 100 cm deep. The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. We are still receiving reports of a few avalanches a day, generally between 1800 and 2300 m on all aspects. Triggering this layer could result in a high consequence.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze. Loose wet avalanches have been common on steep, sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nda6","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Wind slabs may be found in wind-loaded terrain at high elevations, formed from recent strong southerly wind.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze. Loose wet avalanches have been common on steep, sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6b8dh","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
A weak layer may be found around 50 to 100 cm deep. The layer is most likely to be triggered between 2000 and 2300 m, on all aspects. The likelihood of triggering this layer is decreasing, but the consequence of doing so would be high.
As sunshine and warm temperatures weaken the surface snow, wet avalanches become more likely. Watch for wet and heavy surface snow.
Deep wind slabs may be touchy where recent wind loaded snow is poorly bonded to underlying surfaces. If triggered, wind slab avalanches have potential to step down to deeper layers.
ur field team is steering clear of large, unsupported, convex slopes where stiff wind slabs sit over softer snow.
he recent storm snow is expected to remain reactive to human-triggering on Wednesday, especially in wind exposed terrain and on steep, convex or unsupported terrain features.
As sunshine and warm temperatures weaken the snow surface, wet avalanches become more likely. Watch for wet and heavy surface snow.
Fresh thin wind slabs are expected to form Saturday night and will likely be most prevalent near ridgecrest.
ind slabs could be found on north and east aspects in exposed treeline and alpine terrain. Strong winds mean that wind slabs could form further down slope than expected.
Fresh thin wind slabs may form Saturday night and will likely be most prevalent near ridgecrest.
The size and sensitivity to triggering these avalanches could increase throughout the day as temperatures rise.
Wet loose avalanches could occur on all aspects and elevations except high north terrain. Size and sensitivity to triggering could increase throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8c5i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4l3g3","text":"Glide slab avalanches up to size two have been observed in the region at lower elevations. Be aware of the potential for this type of avalanche on steep terrain at lower elevations.
Watch for the formation of fresh storm slabs throughout the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7vecr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4l9fb","text":"Solar-triggered storm slabs are also possible on sun-exposed slopes if the sun makes an appearance on Sunday afternoon.
Avoid exposure to large open slopes during intense rain, sun, or warming. High freezing levels and rain has triggered large wet slab avalanches on steep, open terrain features at treeline and below, especially where the snowpack sits over smooth rock slabs or grassy slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbfs8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5d67u","text":"Wet loose avalanche activity is expected on steep slopes below the freezing line where the surface snow is wet and unsupportive to your weight.
Freezing levels are falling overnight, but the surface snow will soften quickly with the sun and warming temperatures. Paying close attention to how thick and supportive the surface crust is throughout the day will help you avoid wet loose avalanche problem. Also, be cautious on and under steep alpine slopes when they are baking in the sun.
Freezing levels have dropped, but mild daytime warming and periods of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4vtlf","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"89an9","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2549r","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become likely.","type":"u
Strong winds will quickly impact any loose snow. As new snow accumulates, expect to find deeper and more reactive deposits in wind loaded terrain.
Freezing levels are falling overnight, but the surface snow will soften quickly with the sun and warming temperatures. Paying close attention to how thick and supportive the surface crust is throughout the day will help you avoid wet loose avalanche problem. Also, be cautious on and under steep alpine slopes when they are baking in the sun.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irvn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
Warm temperatures and sun throughout the day may soften the surface crust and weaken the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24lit","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kj40","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
ecent winds have formed slabs in exposed terrain on north and east aspects. Increasing winds will quickly redistribute loose snow encouraging fresh wind slab development.
Wind slabs may be found in steep, lee terrain features in the alpine and exposed treeline.
wind slabs could still be found near ridge crests or steep rollovers in the alpine.
Sensitivity to triggering wind slabs could be greater where wind slab has formed over surface hoar or a crust. If triggered, wind slab avalanches have potential to step down to deeper layers.
Freezing levels are below treeline, but mild daytime warming and periods of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7r3cg","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqseu","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aprq4","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become likely.","type":"u
Fresh and reactive wind slabs are expected to form over a crust on north and east facing slopes.
Wind slabs can be found in high alpine terrain, where dry snow has been redistributed onto north and east facing slopes. Expect greater reactivity where slabs sit over a crust.
Reactive wind slabs are expected to form over a crust on north and east facing slopes. Look for wind loaded snow around ridgelines and rollovers.
Small but reactive wind slabs are expected to form over a crust on north and east facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37p2d","text":"Look for wind loaded snow around ridgelines and rollovers.
This layer is getting harder for riders to trigger, but it is possible that it could still produce large, surprising avalanches. Triggering may be more likely when temperatures are above zero, or when they rapidly change in either direction.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87o97","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c45f1","text":"This layer is a concern where there is a poor bond to underlying surface hoar crystals. This problem seems most pronounced in the Selkirks around Nelson and Kootenay Pass.","type":"unstyled","depth":0,"inlineSty
Freezing levels are falling overnight, but the surface snow may not solidly refreeze at low elevations. Loose wet avalanches have been common on steep, sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6b8dh","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Westerly winds have redistributed up to 10 cm of recent snow into small wind slabs on lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2r7t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ergs","text":"Use extra caution near ridgetops, especially when the slope underneath is steep and/or hard. Even a small avalanche can knock you off balance, so consider the consequences of a fast slide down a hard slope.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze at low elevations. Loose wet avalanches have been common on steep, sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nda6","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Freezing levels have dropped, but mild daytime warming and periods of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ctekl","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fska","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cgmgk","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become likely.","type":"u
The size and sensitivity to triggering these avalanches could increase throughout the day as temperatures rise and the sun comes out.
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches out of steep terrain. Watch for wet and heavy surface snow.
Wet loose avalanches will likely occur on all aspects and elevations except high north terrain. Size and sensitivity to triggering could increase throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8c5i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4l3g3","text":"Glide slab avalanches up to size two have been observed in the region at lower elevations. Be aware of the potential for this type of avalanche on steep terrain at lower elevations.
ngoing wind and snowfall have continued to build wind slabs in exposed terrain on north and east aspects. Size and sensitivity to triggering could be greater where wind slabs have formed over a firm surface.
Warm temperatures and sun throughout the day may soften the surface crust and weaken the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4csl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"60t75","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
ind slabs could be found on north and east aspects in exposed treeline and alpine terrain.
New wind slabs could form throughout the day on Friday. Strong winds mean that wind slabs could be found further down slope than expected.
Wtih no overnight freezing forecasted, the surface snow will not refreeze except maybe at very high elevations. The more the snow feels like a slurpy, the more likely loose wet avalanches will become. Especially avoid steep slopes when they are baking in the sun.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irvn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
e're expecting some strong north wind Sunday night into Monday that may form fresh wind slabs in terrain near ridge crest. Although small, any wind slabs that form will rest on slippery crust.
Wtih no overnight freezing forecasted, the surface snow will not refreeze except maybe at very high elevations. The more the snow feels like a slurpy, the more likely loose wet avalanches will become. Especially avoid steep slopes when they are baking in the sun.
Wind slabs may exist in steep, lee terrain features in the alpine. These wind slabs will be most reactive where they overlie a slick crust.
With freezing levels rising into the alpine, the surface snow may become moist or wet, and natural and rider triggered loose wet avalanches could become likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4vtlf","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"89an9","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2549r","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3efk1","text":"Pay close attention to conditions as they change through the day, the conditions you experience could be anywhere between the two extremes mentioned above.
New storm and wind slabs will form throughout the day on Friday. Size and sensitivity to triggering will be greatest near ridge crests and steep rollovers where wind loading is a factor.
Warm temperatures and sun throughout the day may soften the surface crust and weaken the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87esa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k04","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
Moderate southwest wind and the possibility of new snow may form small, reactive windslabs over firm surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2qet","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"72q0t","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1c8q8","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"
Recent moderate to strong winds may have formed wind slabs in the high alpine where there was still dry snow available for transport. With only limited snow expected to be available for transport, any wind slabs that formed are expected to be small.
ind loading was reported on Wednesday and newly formed wind slabs are expected to be touchy on Thursday. Ongoing wind will continue to develop these slabs. They may be poorly bonded where they overlie a hard, old surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":17,"length":8,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https
ith freezing levels rising into the alpine, the surface snow may become moist or wet, and natural and rider triggered loose wet avalanches could become likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9j574","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3eb3","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4mcef","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ltq8","text":"Pay close attention to conditions as they change through the day, the conditions you experience could be anywhere between the two extremes mentioned above.
expect wet loose avalanches in steep terrain. Size and sensitivity to triggering will likely increase throughout the day.
Recently formed storm slabs are expected to most reactive in the north of the region which received the most recent snowfall. In the south of the region, the recent snowfall is expected to be reactive primarily in wind loaded terrain features.
With freezing levels rising into the alpine, the surface snow may become moist or wet, and natural and rider triggered loose wet avalanches could become likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"30g2c","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ppqs","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6gng4","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dd98h","text":"Pay close attention to conditions as they change through the day, the conditions you experience could be anywhere between the two extremes mentioned above.
Warm temperatures and sun throughout the day may quickly soften and weaken surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cs120","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"53mud","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
New flurries and gusty winds fresh wind slabs through Saturday. Strong winds mean that wind slabs could be found further down slope than expected.
New snow and wind will form unstable slabs on steep wind-affected slopes, especially in north-facing terrain.
With freezing levels rising into the alpine, the surface snow may become moist or wet, and natural and rider triggered loose wet avalanches could become likely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2gvji","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f8na2","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bg41i","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"19bno","text":"Pay close attention to conditions as they change through the day, the conditions you experience could be anywhere between the two extremes mentioned above.
Wind slabs may be found in wind-loaded terrain in the alpine and treeline, formed by snowfall and westerly winds. These wind slabs will be most reactive where they overlie a slick crust.
Wind slabs may be found in steep, lee terrain features in the alpine and exposed treeline. These wind slabs will be most reactive where they overlie a slick crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a6os","text":"
Snow from last week's storm has left wind slabs in the alpine and at treeline. Strong outflow winds on Tuesday will transport this snow into fresh reactive slabs on steep south and west facing slopes.
Warm temperatures and sun throughout the day may quickly soften and weaken surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2pgbb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9mvk","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow.
Wind slabs may exist in steep, lee terrain features in the alpine and exposed treeline. These slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uvus","text":"
Warm temperatures and sun throughout the day may quickly soften and weaken surface snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87esa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k04","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
oderate southwest wind redistributed recent snow into small, reactive windslabs over firm surfaces on isolated features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iral","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9c0","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tdgo","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"
Wind slabs will likely be found on exposed terrain at treeline and alpine. Strong winds mean that wind slabs may be found further down slope than expected. Wind slabs may be sensitive to rider traffic due to the underlying crust.
Warm temperatures, strong solar radiation, or rain may cause the surface crust to break down. Pay attention to how thick and supportive the crust is, and avoid steep slopes when the crust starts to weaken and become unsupportive to your weight.
Wind slabs will likely be found near ridge crests on north and east aspects. Wind slabs may be sensitive to rider traffic due to an underlying crust.
Limit exposure to cornices. Cornice falls can trigger large avalanches on the slopes below. The likelihood of natural cornice falls could increase with solar input and warming.
Cornices have grown large recently. Give them a wide berth when travelling on or below ridges. The likelihood of cornice falls can increase with solar input.
Wtih minimal overnight cooling forecasted, the surface snow may not solidly refreeze at lower elevations. Pay close attention to how thick and supportive the surface crust is throughout the day, and avoid steep slopes when they are baking in the sun. This will help you avoid wet loose avalanche problems. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irvn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
Wtih minimal overnight cooling forecasted, the surface snow may not solidly refreeze at lower elevations. Loose wet avalanches have been common on steep, sunny slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"au6dh","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Wtih minimal overnight cooling forecasted, the surface snow may not solidly refreeze at lower elevations. Loose wet avalanches have been most common on steep, sunny slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ckepa","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes if the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze at low elevations. Loose wet avalanches have been common on steep, sunny slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dk35s","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Freezing levels are dropping, but mild daytime warming and spots of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4vtlf","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"89an9","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2549r","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become more likely.","type":"u
Avoid avalanche terrain if the snowpack becomes wet and unsupportive to your weight. At lower elevations, a poor overnight crust recovery followed by above freezing temperatures and rain may create a wet loose problem on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3ed69","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8gavt","text":"If the sun comes out on Thursday, watch for wet and heavy surface conditions on steep solar aspects at all elevations.
Moderate southwest wind redistributed recent snow into small, reactive windslabs over firm surfaces on isolated features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2qet","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"72q0t","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1c8q8","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"
5-10 cm of new snow may fall through the day on Friday. This is coming with moderate to strong southwest wind, which could form small, reactive windslabs on hard surfaces in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ce3n0","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8o34c","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e1jn8","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://avalanche.
trong wind from the north could have formed some small wind slabs near ridgetops on south-facing slopes.
20 to 50 cm of recent storm snow now rests on a crust. Winds from the south/southwest, and more recently the northeast, have formed wind slabs which are expected to be most problematic near ridgetops.
Cornices are very large this time of year and pose a hazard when travelling on and below ridges.
The northern part of the region may see up to 25 cm of new snow in the alpine by mid-morning which may build new storm slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtkl9","text":"This brings up to 70 cm of consolidated snow above a crust at treeline and above. The recent warming may form a reactive slab on this interface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"birl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"
New snow is arriving with light wind. Storm or wind slab may not develop just yet, but the loose snow may not bond well to the hard crust below. A small sluff could pick up speed and mass quickly and become a small avalanche. Use extra caution on steep slopes, and be sure to manage your sluff.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":276,"length":17,"key":0}],"data":{}},{"key":"3cjbp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e5ke","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":
Strong to extreme winds overnight Saturday will impact any loose snow and build wind slabs. Strong winds mean that wind slabs could be found further down slope than expected.
Storm slabs will quickly develop overnight as strong winds impact falling snow. Expect to find deeper and more reactive deposits around ridges and lee terrain. With strong winds, slabs may lurk further downslope or in less common locations.
Strong southwest wind will continue to build fresh and reactive wind slabs. Wind slabs can be expected in leeward terrain features in the alpine and treeline. These wind slabs will be most reactive where they overlie a slick crust.
Recent and ongoing northeast winds have redistributed the recent snowfall into small reactive wind slabs in exposed terrain features. These slabs sit over a firm melt-freeze crust which may increase their reactivity.
oderate to strong wind will quickly impact falling snow. Expect to find the deepest and most reactive deposits around ridges and lee slopes.
Storm slabs are expected to become touchy and widespread as the storm progresses, especially in wind-loaded terrain. A natural avalanche cycle should be expected in areas which receive the most snowfall.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a7k2j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dpv5c","text":"Solar-triggered storm slabs are also possible on sun-exposed slopes if the sun makes an appearance on Sunday afternoon.
Lingering old wind slabs from the weekend may still be reactive in isolated areas on north and east aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cmiua","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irtr","text":"Recent and ongoing northeast wind is expected to be forming small new wind slabs in exposed terrain features on south and west aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d07c8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ae3kb","text":"Wind slabs likely sit over a firm melt-freeze crust which may increase their reactivity.
Pockets of wind slabs may be found in steep terrain features near ridges from recent northeast winds. Wind slabs may continue to be reactive where they sit over a crust, most likely on south facing terrain features.
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches. Watch for wet and heavy snow and be aware of overhead exposure to big sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b5qmi","text":"Wet loose avalanches could trigger deeper wet slabs.
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches. Watch for wet and heavy snow and be aware of overhead exposure to big sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq4n1","text":"Wet loose avalanches could trigger deeper wet slabs.
60-80 cm of recent storm snow sits above a crust at treeline and above. Warming and solar radiation will likely consolidate the new snow into a reactive slab, producing avalanches. Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crr47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cf3se","text":"The warm-up last week produced some deeper and bigger avalanches that ran to the valley bottom. These failed on a December rain crust that exists a metre off the ground. There is a lot of uncertainty with this interface and whether it will wake up or not over the next two days. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c13pu","text":"
Recent wind has varied in direction so watch for wind slabs on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8dufo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsqci","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Warmer temperatures may soften the surface crust and weaken the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87esa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k04","text":"Pay close attention to how thick and supportive the surface crust is throughout the day. Minimize your exposure to slopes with wet and heavy snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches. Watch for wet and heavy snow and be aware of overhead exposure to big sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3dtdj","text":"Wet loose avalanches could trigger deeper wet slabs.
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches. Watch for wet and heavy snow and be aware of overhead exposure to big sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"931m3","text":"Wet loose avalanches could trigger deeper wet slabs.
5-15 cm of new snow may fall through the day on Saturday. This new snow may not stick well on the hard crust underneath. Moderate to strong southwest wind could form deeper pockets of more reactive slab in lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":205,"length":4,"key":0}],"data":{}},{"key":"ce3n0","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dgkia","text":"Use extra caution near ridgetops and on convex rolls. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":23,"length":9,"key":1},{"offset":40,"length":6,"key":2}],"data":{}},{"key":"e1jn8","text":"Use small test slopes to see how the storm snow is bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#convex-slope"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://avalanche.
oderate to strong southwest wind has likely formed recent snow into small, reactive windslabs over firm surfaces in lee features. Watch for signs of instability like shooting cracks and recent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":117,"length":3,"key":0}],"data":{}},{"key":"f9c0","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tdgo","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"1":{"
Recent wind has varied in direction so watch for wind slabs on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akq7e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fedgl","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
5-15 cm of new snow may fall overnight into Saturday morning. This new snow may not stick well on the hard crust underneath. Moderate southwest wind could form deeper pockets of more reactive slab in lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":199,"length":4,"key":0}],"data":{}},{"key":"81smm","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8hdq7","text":"Use extra caution near ridgetops and on convex rolls. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":23,"length":9,"key":1},{"offset":40,"length":6,"key":2}],"data":{}},{"key":"ap14n","text":"Use small test slopes to see how the storm snow is bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#ridgetop"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#convex-slope"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://avalanche.
Northwest winds have redistributed snow and formed wind slabs in lee terrain features in the alpine and treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"961an","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vndo","text":"On Sunday, moderate to strong southwest wind will form fresh wind slabs in leeward (N-NE-E) terrain features in the alpine and exposed treeline. These slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uvus","text":"
50-70 cm of recent storm snow sits above a crust at treeline and above. Warming and solar radiation will likely consolidate the new snow into a reactive slab, producing large avalanches. Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3i1q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1p86u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"birl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"
Recent wind has varied in direction so watch for wind slabs on all aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a8t2i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5j0ls","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Recent wind has varied in direction, so watch for wind slabs on all aspects in the alpine.
Wet slab and wet loose avalanches will likely increase in size and sensitivity to triggering as the freezing level rises and the sun comes out. The underlying crust will make a good sliding surface and may result in greater propagation.
Heavy snowfall is expected to continue to build touchy storm slabs on Monday and a natural avalanche cycle is expected. The storm snow may be failing on a hard underlying melt-freeze crust or on interfaces within the storm snow.
New storm and wind slabs will likely form throughout the day. Size and sensitivity to triggering will be greatest near ridge crests and steep roll overs on north and east facing terrain where wind loading is likely to occur.
The recent storm snow is expected to settle rapidly with major warming and periods of sun on Thursday. This may result in the formation of a more cohesive and reactive storm slab, and natural storm slab avalanches are possible in the afternoon.
50-70 cm of recent storm snow sits above a crust at treeline and above. Warming will likely consolidate the new snow into a reactive slab, producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3dk4v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6l3m","text":"Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations.
Ongoing snowfall is expected to continue to build touchy storm slabs on Monday and a natural avalanche cycle is expected. The storm snow may be failing on a hard underlying melt-freeze crust or on interfaces within the storm snow.
he recent storm snow is expected to settle rapidly with major warming and periods of sun on Thursday. This may result in the formation of a more cohesive and reactive storm slab, and natural storm slab avalanches are possible in the afternoon.
Wet loose avalanches will likely occur on steep terrain on all aspects and elevations, except high north terrain. Size and sensitivity to triggering could increase throughout the day with rising freezing levels and solar input.
ew snowfall with moderate to strong southwest wind is expected to form touchy new storm slabs on Monday, especially in wind loaded terrain. These slabs will likely be failing on a firm crust underlying the recent storm snow.
Up to 40 mm of wet snow or rain will add to previous storm totals of 60-100 cm sitting on a reactive crust that has produced large avalanches in the last 3 days. A natural cycle is likely overnight during peak precipitation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1n6fj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b70lc","text":"Storm snow is expected to be sensitive to human triggers and avalanches may involve the most recent snowfall, or the settling storm snow from the past week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"83hg2","text":"
Pockets of wind slabs may be found in steep terrain features near ridges from recent northeast wind. Carefully assess for slab formation prior to committing yourself to large or consequential features.
Heavy snowfall is expected to continue to build touchy storm slabs on Monday and a natural avalanche cycle is expected. The storm snow may be failing on a hard, underlying melt-freeze crust or on interfaces within the storm snow.
Watch for thin wind slabs in exposed terrain, Recent winds have varied in direction so assess for wind slab on all aspects. Sensitivity to triggering could be greater where wind slabs have formed over a crust.
oderate to strong southerly winds continue to form fresh wind slabs on lee features, which may be reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"679r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dqjuf","text":" Use ridges or ribs to avoid areas of wind-loaded snow.
Up to 30 mm of wet snow or rain will add to previous storm totals of 50-90 cm sitting on a reactive crust that has produced large avalanches in the last 3 days. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"nnd5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ec178","text":"Storm snow is expected to be sensitive to human triggers and avalanches may involve the most recent snowfall, or the settling storm snow from the past week.
The storm might bring a total of 20-40 cm by the end of the day on Thursday combined with strong southwest wind. Most of the snow will fall in the very south of the region around Terrace and Kitimat. Storm and wind slabs will build throughout the day and will be reactive to human triggers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d7v4d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cfoqn","text":"At lower elevations, the precipitation might fall as rain and weaken the snowpack resulting in wet loose avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9frbo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkcq7","text":"The northern part of the region will likely see less than 15 cm of snow. The strong southwest wind will form fresh wind slabs in lee terrain features in the alpine and at treeline. Recent winds from varied directions formed wind slabs on a variety of aspects which may still be reactive to human triggers. Use ridges or ribs to avoid areas of wind-loaded snow.
Slabs may remain reactive as steady winds continue to move the fresh snow. With recent strong easterly winds, slabs may lurk further downslope or in less common locations.
Storm slabs will build throughout the day. The amount of new snow will be variable in the region and can range from 15 to 25 cm by the end of the day on Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bf317","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fj00t","text":"Strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8iuav","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1f2fs","text":"The slabs will be most reactive to human triggers where they overlie a crust.
Storm slabs will build throughout the day. The amount of new snow will be highly variable in the region and can range from 15 to 30 cm by the end of the day on Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aaa22","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8r23u","text":"Strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1jhbo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eoj4k","text":"The slabs will be most reactive to human triggers where they overlie a crust.
Storm slabs will build throughout the day. The amount of new snow will be highly variable in the region and can range from 10 to 30 cm by the end of the day on Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ov1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"32tl2","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3uvc2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5v2i6","text":"The slabs will be most reactive to human triggers where they overlie a crust.
Storm slabs will build throughout the day. The amount of new snow will be variable in the region and can range from 10 to 25 cm by the end of the day on Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3i1q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92iuq","text":"Moderate to strong southwest wind will redistribute the new snow and build fresh wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"birl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"The slabs will be most reactive to human triggers where they overlie a crust.
Wet slab and wet loose avalanches will likely continue to occur due to elevated freezing levels. The underlying crust will make a good sliding surface and may result in greater propagation.
10-20 cm of wet snow and very strong south/southwest winds may create pockets of reactive wind loading on north and east facing slopes.
Up to 15 cm snow will fall by the end of the day Thursday. Moderate to strong southwest wind will redistribute the snow and form fresh wind slabs throughout the day in lee terrain features in the alpine and at treeline. Wind slabs will be reactive to human triggers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"553od","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3cf2m","text":"Use ridges or ribs to avoid areas of wind-loaded snow.
Recent outflow wind has left slabs on west and south-facing slopes in the alpine. Be cautious around ridge crests and steep rolls.
50-70 cm of recent storm snow sits above a crust at treeline and above. Warming and solar radiation will likely consolidate the new snow into a reactive slab, producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3dk4v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6l3m","text":"Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations.
60-80 cm of recent storm snow sits above a crust at treeline and above. Warming and solar radiation will likely consolidate the new snow into a reactive slab, producing large avalanches.  Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bdpkc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f367u","text":"The warm-up last week produced some deeper and bigger avalanches that ran to the valley bottom. These failed on a December rain crust that exists a metre off the ground. There is a lot of uncertainty with this interface and whether it will wake up or not over the next two days. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8anef","text":"
Recent outflow wind has left slabs on west and south-facing slopes in the alpine and near ridgetops at treeline. These slabs could remain reactive to human triggering for a few more days.
ecent outflow wind has left pockets of hard wind slab on south-facing alpine slopes. Be cautious around ridge crests and steep rolls.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dpc6d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"armev","text":"
Wind slabs may be found in steep terrain features at treeline and alpine elevations from northeast to southeast wind. Areas that see more than 20 cm of new snow could have new storm slabs form too. Evaluate for slab formation prior to committing to large features.
Wet loose avalanches will likely occur on steep terrain on all aspects and elevations, except high north terrain.
expect wet loose avalanches in steep terrain.
Any fresh snow will not bond well to the crust below. Watch for reactive pockets as wind moves flurries into lee features.
ornices are very large this time of year and pose a hazard when travelling on and below ridges.
Wet slab and wet loose avalanches could increase in size and sensitivity to triggering as the freezing level stays elevated. The underlying crust will make a good sliding surface and may result in greater propagation.
Any flurries will not bond well to the crust. Watch for touchy pockets where wind redistributes loose snow.
New storm and wind slabs may form over the day as snow accumulates with southeast wind. The new snow may not bond well to the underlying crust. Assess for slab properties and bonding to the crust prior to committing to large terrain features.
Recent winds from the northeast through southeast have redistributed the recent snowfall into small wind slabs in exposed terrain features. Reactive wind slabs may still be lingering, especially along eastern upslope areas of the region which received snow accumulation over the past few days.
Cornices have grown large recently but are generally not expected to fail naturally with the current cold conditions. However, human-triggered cornices are possible so give them a wide berth when travelling on ridges and watch for signs that they may be weakening if they are exposed to extended periods of sun.
oderate to strong southerly winds formed fresh wind slabs on lee terrain features and scoured the recent snow on the leeward side of ridges. Wind slabs may be reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"679r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dqjuf","text":"Use ridges or ribs to avoid areas of wind-loaded snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"rsel","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"s2e9","text":"If the sun comes out, the likelihood of naturally triggered wet loose avalanches will increase rapidly.
10-20 cm snow fell on Thursday and another 10-20 cm are forecast by the end of the day Friday building reactive storm slabs. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4var9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"hipk","text":"At lower elevations, the precipitation might fall as rain and weaken the snowpack resulting in wet loose avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c0ap0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"18g5n","text":"If the sun comes out, the potential for wet loose avalanches will increase, especially on steep sun-exposed slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2b1eh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgdcf","text":"Moderate to strong southwest and west wind will redistribute the snow and form fresh wind slabs throughout the day in lee terrain features in the alpine and at treeline. Wind slabs will likely be reactive to human triggers.
In the south of the region, the current storm will add another 15-30 cm by the end of the day Friday to the 20-40 cm that fell on Thursday. Moderate to strong south and west wind will accompany the snowfall. Storm and wind slabs will continue to build and will be reactive to human triggers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d7v4d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cfoqn","text":"At lower elevations, the precipitation might fall as rain and weaken the snowpack resulting in wet loose avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1fpl0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cc9a1","text":"If the sun comes out, the potential for wet loose avalanches will increase, especially on steep sun-exposed slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9frbo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkcq7","text":"The northern part of the region will likely see 5-10 cm of snow. The moderate to strong south and west wind will form fresh wind slabs in lee terrain features in the alpine and at treeline. Use ridges or ribs to avoid areas of wind-loaded snow.
A dusting of flurries could form thin slabs in immediate lee features at upper elevations.
60-80 cm of recent storm snow sits above a crust at treeline and above. Warming may consolidate the new snow into a reactive slab, producing avalanches. Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crr47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cf3se","text":"The warm-up last week produced some deeper and bigger avalanches that ran to the valley bottom. These failed on a December rain crust that exists a metre off the ground. There is a lot of uncertainty with this interface and whether it will wake up.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c13pu","text":"
60-80 cm of recent storm snow sits above a crust at treeline and above. Warming may consolidate the new snow into a reactive slab, producing large avalanches.  Avalanches may start as dry slabs in the alpine but entrain wet snow and run into below treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bdpkc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f367u","text":"The warm-up last week produced some deeper and bigger avalanches that ran to the valley bottom. These failed on a December rain crust that exists a metre off the ground. This layer was reactive two days ago in an isolated event.
Moderate to strong westerly winds at ridgetop may form fresh wind slabs on leeward slopes at treeline and above. Snowfall amounts vary across the region but winds will be consistent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9tqeg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"19or5","text":"50-70 cm of storm snow over the past week sits above a crust at treeline and above.  There has been no recent reactivity on this interface.
Cornices have likely grown large recently but are generally not expected to fail naturally with the current cold conditions. However, human-triggered cornices are possible so give cornices a wide berth when travelling on ridges and watch for signs that they may be weakening if they are exposed to extended periods of sun.
ecent storm snow may remain reactive to human triggering. Expect greater reactivity and deeper deposits at higher elevations that were spared from rain, and on north through east facing slopes (from recent strong southwest winds). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7sd3c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2dcjr","text":"Avalanches may involve the most recent snowfall (10-30 cm), or the settling storm snow from the past week (up to 70 cm) that sits over a widespread crust.
Isolated pockets of wind loading may be found at higher elevations. Wind slabs are expected to remain reactive where they sit over a crust.
Recent storm snow may remain reactive to human triggering. Expect greater reactivity and deeper deposits at higher elevations that remained unaffected from rain, and on north through east facing slopes (from recent strong southwest winds). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a1u0d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h1rt","text":"Avalanches may involve the most recent snowfall (10-30 cm), or the settling storm snow from the past week (up to 100 cm) that sits over a widespread crust.
Wind slabs may be found at higher elevations on all aspects from recent variable winds. Watch for wind affected snow near ridgelines and around mid slope rollovers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"881im","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dicob","text":"Evaluate conditions as you travel, step back to simple and low angle terrain when uncertain.
10-25 cm of new snow may accumulate by Saturday afternoon. This accompanied by moderate to strong westerly wind at ridgetop may form fresh wind slabs on leeward slopes at treeline and above. Snowfall amounts vary across the region but the wind will be consistent.
Fresh and reactive wind slabs may exist at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtkl9","text":"This brings up to 70 cm of consolidated snow above a crust at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"
10-25 cm of new snow may accumulate by Saturday afternoon. This accompanied by moderate to strong westerly wind at ridgetop may form fresh wind slabs on leeward slopes at treeline and above. Snowfall amounts vary across the region but winds will be consistent.
hin wind slabs may remain sensitive to human triggering, especially in more extreme terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5pugo","text":"If the sun comes out, the likelihood of naturally triggered wet loose avalanches will increase rapidly.
20 to 50 cm of recent snow accompanied by moderate to strong south and west wind has formed storm slabs that will likely remain reactive to human triggering this weekend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3rt9","text":"If the sun comes out, the potential for wet loose avalanches will increase, especially on steep sun-exposed slopes.
20 to 50+ cm of recent storm snow now rests on a crust.  Although warm temperatures are helping the snow to settle and bond, human triggered avalanches remain possible this weekend, especially in wind loaded terrian features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8r5rr","text":"If the sun comes out, the potential for wet loose avalanches will increase, especially on steep sun-exposed slopes.
Cornices are large this time of year and may have been weakened by recent cold temperatures. Exposure to cornices should be minimized, especially during periods of warm temperatures or strong sun. Give them a wide berth when you are travelling on ridge lines and avoid overhead exposure to large cornices.
ind slabs may be found in alpine terrain. Use caution entering steep slopes below ridges.
Wind slabs may be found at higher elevations on all aspects from recent variable winds. Watch for wind affected snow near ridgelines and around mid slope rollovers. This snow may not bond well to the underlying crust or hard snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dq9q","text":"Evaluate conditions as you travel, step back to simple and low angle terrain when uncertain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bib2d","text":"
Wind slabs may be found in steep terrain features near ridges from northeast wind. Use particular caution if more than 20 cm of snow accumulates over the day in your local riding area.
Recent southeast wind has likely formed wind slabs on west and north facing slopes in the alpine and near ridgetops at treeline.
Recent outflow wind has left slabs on west and south facing slopes in the alpine and near ridgetops at treeline. These slabs could remain reactive to human-triggering for a few more days.
hin wind slabs may remain sensitive to human triggering, especially in more extreme terrain.
20 to 50+ cm of recent storm snow now rests on a crust. Although the warm to cool temperature trend is helping the snow to settle and bond, human triggered avalanches remain possible this weekend, especially in wind loaded terrain features.
Watch for fresh wind slabs on all aspects. Although the recent storm snow is settling and bonding to the existing snowpack, we can't ignore that we've had wind from the south, southeast and west.  To further confuse things, we're expecting some north wind on Sunday.
ecent outflow wind has left some wind slabs on south-facing alpine slopes.
Wind slabs may be found in steep terrain features at treeline and alpine elevations from new snow and strong, variable wind. The recent snow may have also formed storm slabs in sheltered terrain, particularly where 20+ cm of snow accumulated on Tuesday. Evaluate for slab formation prior to committing to large features.
Recent storm snow may remain reactive to human triggering. Expect greater reactivity and deeper deposits at higher elevations that remained unaffected from rain, and on north through east facing slopes (from recent strong southwest winds). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7d4g5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b70lc","text":"Avalanches may involve the most recent snowfall (10-30 cm), or the settling storm snow from the past week (up to 100 cm) that sits over a widespread crust.
Fresh and loose snow is not bonding well to the crust below. Watch for reactive pockets where wind creates stiffer and deeper deposits. Be mindful of loose-dry snow sluffing in steep terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"61i6g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9og62","text":"Bands of convective flurries may produce localized snowfall accumulations deeper than forecasted. If you see more than 20 cm of fresh snow, bump hazard to CONSIDERABLE and expect to find a more reactive and widespread slab problem.
Any fresh snow will not bond well to the crust below. Check for reactive slabs below ridges and steep, convex slopes.
Convective flurries may deposit up to 15 cm in localized areas by the end of Sunday, providing wind loose snow to continue building slabs in lee features.
Fresh snow will not bond well to the old surface. Check for reactive slabs around steep and high-consequence slopes.
Recent strong southwesterly winds formed wind slabs on lee aspects at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vrp9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bjpgf","text":"Forecast moderate northeast winds on Sunday may form fresh wind slabs reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eomqg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5jsrg","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Recent strong southwesterly winds formed wind slabs on lee aspects at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"94b02","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"allij","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Recent strong southwesterly winds formed wind slabs on lee aspects at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ip4g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1sedj","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Recent strong southwesterly winds formed wind slabs on lee aspects in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cj0d7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ehb72","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
Watch for wet surface snow on south facing slopes as the sun affects recent storm snow for the first time. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ia98","text":"Warming will be most significant on steep slopes, and around rock features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ctgr","text":"
New storm and wind slabs likely formed from Tuesday's snowfall. This snow may not bond well to the underlying crust or hard snow. Assess for slab properties and bonding prior to committing to large terrain features.
On Monday and Tuesday, wind from the northeast through southeast formed small reactive wind slabs. Now that the wind has eased, these wind slabs are generally expected to have stabilized. However, a few reactive slabs may still be lingering in steep or convex leeward features.
ockets of wind loading may be found at higher elevations. Wind slabs are expected to remain reactive where they sit over a crust.
Recent winds from the northeast through southeast have redistributed the recent snowfall into small wind slabs in exposed terrain features. Reactive wind slabs may still be lingering, especially along eastern upslope areas of the region which received snow accumulation over the past couple days.
Pockets of wind loading may be found at higher elevations. Wind slabs are expected to remain reactive where they sit over a crust.
Easterly winds Monday could build fresh slabs in less common areas. Check for reactive slabs around steep and high-consequence slopes.
Easterly winds Monday could build fresh slabs in less common areas. Watch for reactive pockets where wind creates stiffer and deeper deposits.
On Monday and Tuesday, northeasterly wind formed small reactive wind slabs. Now that the wind has eased, these wind slabs are generally expected to have stabilized. However, a few reactive slabs may still be lingering in steep or convex leeward features.
Pockets of wind slabs may be found in steep terrain features near ridges from recent northeast winds. Wind slabs may continue to be reactive where they sit over a crust, most likely on south facing terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7soum","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fdqoh","text":"Stay aware of your exposure to cornices as you travel on slopes below them, and as you move along ridgelines. They may be weak and reactive to human triggers. Cornices are a significant hazard alone, and may produce large slab avalanches as they fall onto the slope below.
Watch for wet surface snow on south facing slopes as the sun affects recent storm snow for the first time. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ogfe","text":"Warming will be most significant on steep slopes, and around rock features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"82gsl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ubf6","text":"
Recent periods of moderate to strong northeast wind have redistributed the recent snowfall into small reactive wind slabs in exposed terrain features. These slabs sit over a firm melt-freeze crust which may increase their reactivity.
Cornices are large and looming at this time of year. Warm air and sun will weaken them, increasing the likelihood of a catastrophic collapse. Stand well back of them on ridges.
20 to 50 cm of recent storm snow now rests on a crust. Winds from the south/southwest, and more recently northeast have formed wind slabs which are expected to be most problematic near ridge crest.
Wind slabs are expected to remain reactive to human-triggering in exposed high elevation terrain. Recent wind appears to have been mainly from the southwest in the north of the region and from the northeast in the south of the region. As a result of these variable winds, wind slabs should be expected on all aspects in wind-exposed terrain.
Cornices are reported to be large but are generally not expected to fail naturally with the current cold conditions. Give cornices a wide berth when travelling on ridges and watch for signs that they may be weakening if they are exposed to extended periods of sun.
Wind slabs may be found at higher elevations on all aspects from recent variable winds. Larger and more reactive wind slabs are expected to have formed from the recent northeast winds, and can be found on south or west facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jdna","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"difbc","text":"Watch for wind affected snow near ridgelines and around mid slope rollovers.
Recent winds from the northeast through southeast have redistributed the recent snowfall into small reactive wind slabs in exposed terrain features. These slabs sit over a firm melt-freeze crust which may increase their reactivity.
Wind slabs may be found in alpine terrain. Use caution entering steep slopes below ridges.
We're expecting a bit of fresh snow Monday with continued moderate wind out of the south.  Watch for fresh wind slabs which could be surprisingly deep, especially in terrain near ridge crest.
Recent strong northeasterly winds have formed wind slabs on lee aspects below ridgetops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8dufo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsqci","text":"Use high points in the terrain such as ridges or ribs to avoid areas of wind-loaded snow.
ornices may be weak and reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fpg4v","text":"Cornices are a significant hazard alone, and may produce large slab avalanches as they fall onto the slope below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"13g50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"adhi6","text":"Stay aware of your exposure to cornices as you travel on slopes below them, and as you move along ridgelines.
Avoid large features, and thin rocky start zones. Information is still being gathered about this potential weak layer near the bottom of the snowpack.
A persistent weak layer of facets over a crust near the bottom of the snowpack has been reported as being reactive to human triggers. Avoid thin areas like rock outcroppings where you're most likely to trigger avalanches failing on deep weak layers.
A persistent weak layer of facets over a crust can be found near the bottom of the snowpack. This layer has been reported as being reactive to human triggering in the last week. Little information is available about this weak layer, and as a result, careful snowpack evaluation will be necessary to manage it. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LI
A late October facet/crust layer near the base of the snowpack has shown reactivity in the past week. There is very little recent information about the sensitivity and distribution of this layer. The best bet for managing it is to stick to rather simple and well-supported terrain as you gather information.
Whumpfing from thin snowpack areas in Fraser Chutes confirms this thing is real. The risk I picture is whumpfing from a thin rocky area and triggering a slope above you where it's down 100cm or more.
lthough this layer is becoming more deeply buried and somewhat harder to trigger, if triggered, it would likely result in a large avalanche.  You are more likely to trigger this layer in areas where the snowpack is shallow so avoid fat to thin transitions and stick to places where the snowpack is deep. Remote triggering is possible so be aware of your overhead exposure.
A late October facet/crust layer near the base of the snowpack has shown reactivity in the past week. There is very little information about this layer, and as a result, careful snowpack evaluation will be necessary to manage it.
A layer of weak facets (sugary snow) can be found down 80-150 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and this storm may be the tipping point to start seeing both natural and human triggered large destructive avalanches.
layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thick to thin areas at tree line elevations.
ind slabs in lee terrain features in the alpine may remain sensitive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":14,"length":3,"key":0}],"data":{}}],"entityMap":{"0":{
Heavy precipitation on Wednesday night may turn to snow up high and create a wind slab problem in the alpine. If dry snow exists in the alpine, watch out for cracking, whoomphing and wind transportation.
There is still some concern for buried weak layers, with the possibility for buried surface hoar and faceting above the December 1st crust. These layers where buried during the last storm cycle and will now be down 40-80 cm in sheltered areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9chhk","text":"The  December 1st crust is present to around 1200m in the Terrace area, varying from 800m-1600m throughout the region. At treeline and below 5-10mm surface growth was observed prior to the last storm cycle. With limited visibility and observations in the past 3 days we are unsure if this surface hoar is preserved in any locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"abcrn","text":"These weak layers will add heightened danger to an already significant storm. The presence of these weak layers mean that avalanches have the potential to pull back into low angled terrain, that we might otherwise consider 'safe' in high danger.
A thick rain crust will provide a smooth bed surface for loose dry avalanches. Steep slopes with minimal wind effect is where this problem will be most prevalent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":41,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"typ
The thick rain crust that extends well into the alpine will provide a smooth bed surface for new snow. Loose dry avalanches will be most likely on steep slopes sheltered from the wind.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":77,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"typ
A deep weak layer affecting alpine areas could result in very large, destructive avalanches. Wind slab releases have potential to trigger this layer to produce even larger avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4phdp","text":"
A layer of facets and depth hoar exists at the base of the snowpack. These very weak crystals continue to be a concern, especially with any new load added to the snowpack. Deep persistent slabs have a lower probability of triggering, but a much higher consequence. Smaller avalanches have the potential to step down to these deeper weak layers, producing very large and destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":6,"key":0},{"offset":22,"length":10,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
A reactive surface hoar layer exists 20-60cm deep in the Toby Creek drainage and surrounding areas. It is most reactive between 1900-2400 m. This interface may result in larger avalanches, wider propagation and slabs that are more sensitive to human triggers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1op9l","text":"Investigate the slab and layer below before committing to steep terrain.
Toby Creek drainage: a layer of surface hoar is found 20-50 cm down and most reactive between 1900-2400 m. This interface may result in larger avalanches, wider propagation and slabs that are more sensitive to human triggers. The big take away is that snow is not bonding well with the surface below. Investigate the slab and layer below before committing to steep terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":32,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
An early season crust at the base of the snowpack has shown reactivity in the southeast corner of the forecast region. While this layer likely needs a heavy trigger like a cornice collapse, human triggering may be possible on thin rocky slopes in this part of the region.  Be cautious as new snow and wind adds load to the snowpack and tests this deeper layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ee2k4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8lrta","text":"
layer of weak facets (sugary snow) can be found down 120-190 cm near a crust layer that formed in early December. Recent snow and wind is overloading this weak layer, which could produce very large, destructive avalanches. Cornices could also reach their breaking point, triggering very large persistent slab avalanches on slopes below.
A deep weak layer affecting alpine areas could result in very large, destructive avalanches. Wind slab releases have potential to trigger this layer to produce even larger avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpa5t","text":"
A layer of weak facets (sugary snow) can be found down 70-150 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thick to thin areas at tree line elevations.
A thick rain crust will provide a smooth bed surface for loose dry avalanches. This problem will be most prevalent in steep terrain with minimal wind effect. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":41,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"typ
In the north of the region, a layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thick to thin areas at tree line elevations.
An early season crust near the base of the snowpack has shown reactivity in the past week with large explosives' and cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"97nnk","text":"With the snow and wind today we are definitely keeping an eye on it, and would be avoiding large features, overhead hazard, and areas with thin to thick snowpack transitions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":139,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
A buried weak layer may exist at upper elevations. Large loads such as wind slab releases have potential to trigger this layer to produce very large, destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4phdp","text":"
Forecast weather suggests small wind slabs could form at higher elevations as precipitation switches to snow over the day Wednesday. Be increasingly cautious around leeward terrain if new snow is accumulating. Wind slabs are the most reactive when they are forming.
A deep weak layer affecting alpine areas is expected to result in very large, full-path destructive avalanches. Significant loading and rising freezing levels during the ongoing storm will likely produce more avalanche activity on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4phdp","text":"
Small inputs of new snow along with moderate wind will feed wind slabs in the alpine. Watch for fresh deposits in lee terrain features. They may be surprisingly reactive where they sit on a weak layer of surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":114,"length":3,"key":0},{"offset":204,"length":12,"key":1}],"data":{}},{"key":"dvob6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3sqp1","text":"Low density surface snow that hasn't formed a slab may also slide easily on a slippery crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a7gea","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"50ube","text":"Cornices are larger than you may think for this time of year and have proven to be reactive to human and explosive loads.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type
A deep weak layer affecting alpine areas could result in very large, full-path destructive avalanches. Significant loading and rising freezing levels during the ongoing storm will likely produce more avalanche activity on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpa5t","text":"
Forecast weather suggests a substantial storm slab problem could form as rain switches to snowfall on Wednesday, particularly in the alpine. The greater the new snow accumulation, the more serious this problem will be.
A layer of facets and depth hoar exists at the base of the snowpack. These very weak crystals continue to be a concern, especially as new load is added to the snowpack. Deep persistent slabs have a lower probability of triggering, but a much higher consequence.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":6,"key":0},{"offset":22,"length":10,"key":1}],"data":{}},{"key":"6ub1n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ekb4i","text":"Smaller avalanches have the potential to step down to these deeper weak layers, producing very large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
This problem may exist in the north of the region. We have few observations and plenty of uncertainty around whether a buried weak layer remains a problem at upper elevations. Very large avalanches are suspected to have run on this layer during the atmospheric river.
A layer of facets exists at the base of the snowpack. These very weak crystals continue to be a concern, especially as new load is added to the snowpack. Deep persistent slabs have a lower probability of triggering, but a much higher consequence. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":6,"key":0}],"data":{}},{"key":"a34hi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ekb4i","text":"Smaller avalanches have the potential to step down to these deeper weak layers, producing very large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":
A layer of facets exists at the base of the snowpack. These weak crystals continue to be a concern, especially with a heavy load of new snow being added to the snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":6,"key":0}],"data":{}},{"key":"2g7tp","text":"We have limited information on the distribution of this layer but suspect it exists at treeline and alpine elevations. Smaller avalanches have the potential to step down to these deeper weak layers, producing large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":
Loose dry avalanches will be most likely on steep terrain features that are sheltered from wind effect. The thick rain crust that extends well into the alpine will provide a smooth bed surface for new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":181,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"typ
ingering winds slabs may remain reactive to human triggers. Avoid slopes where the snow feels stiff or \"slaby\" and seek out better riding in wind sheltered terrain.
30-60 cm of recent storm snow has formed a widespread storm slab problem that may remain possible to human trigger. Closely monitor how the recent storm snow is settling and bonding to the old surface.
Loose dry avalanches will be most likely on steep terrain features that are sheltered from wind effect. Manage your sluff in confined features - it may move faster and further than you expect. The thick rain crust that extends well into the alpine will provide a smooth surface for avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":116,"length":5,"key":0}],"data":{}}],"entityMap":
A reactive surface hoar layer exists 30-70cm deep in the Toby Creek drainage and surrounding areas. It is most prevalent between 1900-2400m. This interface may result in large avalanches with wider propagation and slabs that are more sensitive to human triggers.
Avoid large features, and thin rocky start zones. We are still uncertain about the distribution of this weak layer. Recent reports of avalanches that failed on this layer are in the northern half of the region.
Avoid large features, and thin, rocky start zones. Information is still being gathered about this potential weak layer near the bottom of the snowpack.
A reactive surface hoar layer exists 30-70cm deep in the Toby Creek drainage and surrounding areas. This interface may result in large avalanches with wide propagation and slabs that are more sensitive to human triggers.
Tuesday's storm will be a good test for the late October facet/crust layer near the base of the snowpack. There is very little recent information about the sensitivity and distribution of this layer.
There is still some concern for buried weak layers, with the possibility for buried surface hoar and faceting above the December 1st crust. These layers where buried during the last storm cycle and will now be down 60-120 cm in sheltered areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"85q45","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9chhk","text":"The  December 1st crust is present to around 1200m in the Terrace area, varying from 800m-1600m throughout the region. At treeline and below 5-10mm surface growth was observed prior to the last storm cycle. With limited visibility and observations in the past 3 days we are unsure if this surface hoar is preserved in any locations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1j5s9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"abcrn","text":"These weak layers will add heightened danger to an already significant amount of new snow. The presence of these weak layers mean that avalanches have the potential to pull back into low angled terrain, that we might otherwise consider 'safe' in higher danger.
A few recent reports of avalanches have raised concern about buried weak layers in the Cariboos. This includes a buried surface hoar layer observed near Barkerville and some avalanches on early season crusts in other parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7aua2","text":"We suggest conservative terrain selection as these layers could become more reactive with the added weight of new snow.
An early season crust near the base of the snowpack has shown reactivity in the past week with large explosives' and cornices. With recent snow and wind we are definitely keeping an eye on it, and would be avoiding large features and areas with thin to thick snowpack transitions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":245,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
In the north of the region, a layer of weak facets (sugary snow) can be found down 110-180 cm near a crust that formed in early December. It may be possible to human trigger this persistent slab in thinner areas at upper elevations, such as near ridge tops. The possibility for very large remote-triggered avalanches warrants wide and conservative terrain margins.
Recent snow and strong southerly winds formed wind slabs on lee features in open terrain that may remain reactive to human triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7sqje","text":"
An early season crust at the base of the snowpack has shown reactivity in the southeast corner of the forecast region. This will mainly be a problem in areas with a thin, shallow snowpack. Be cautious as new snow and wind adds load to the snowpack and tests this deeper layer.
An early season crust near the base of the snowpack has shown reactivity in the past week with large explosives' and cornices. We would be avoiding large features, overhead hazard, and areas with thin to thick snowpack transitions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":196,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
An early season crust near the base of the snowpack was previously reactive to large triggers like cornice failures and explosive control work. This isn't the time for the big committing features, take care to avoid areas with thin to thick snowpack transitions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":227,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
An early season crust near the base of the snowpack has shown reactivity to large explosive loads in the past week. We are still uncertain about the distribution of this weak layer. Recent reports of avalanches that failed on this layer are in the northern half of the region.
An early season crust near the base of the snowpack has shown reactivity in the past week with large explosives' and cornices. With incoming snow and wind we are definitely keeping an eye on it, and would be avoiding large features and areas with thin to thick snowpack transitions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":247,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
This problem may exist in the north of the region. We have few observations and plenty of uncertainty around whether a buried weak layer remains a problem at upper elevations.
There is still some concern that persistent weak layers like facets and surface hoar rest on the crust from early December, which is now down 60 to 120 cm below the surface.  While the likelihood of triggering an avalanche this deep is decreasing as we move into a cooling trend after the storm, we don't have enough information to rule this out as a potential player.
35-70 cm of recent storm snow has formed a widespread storm slab problem that may remain possible to human trigger. Closely monitor how the recent storm snow is settling and bonding to the old surface.
Tuesday's storm didn't come through with enough snow to have any meaningful effect on the deeply buried weak layer in our snowpack, so this one continues to be a bit of a mystery, as there is very little recent information about the sensitivity and distribution of this layer.  This much uncertainty should push you into forming pretty conservative travel plans.
Strong south and southwest wind have formed wind slabs in lee terrain features at higher elevations. Wind slabs are especially touchy where they overlie a buried weak layer with surface hoar crystals.
A layer of weak facets (sugary snow) can be found down 50-100 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and as we assess the additional load on this layer from the storm, it will be critical to employ good travel habits and diligent decision making.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b00ek","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpsr2","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust that formed in early December. There have reports of natural and human triggered avalanches on this layer during the last storm in areas where the overlying slab is shallower. For this reason, it is important to avoid thick to thin areas, shallow rocky start zones, and areas where a meter or less of snow overlies the crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":297,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"t
his layer is becoming more deeply buried and somewhat harder to trigger. But it would likely result in a large avalanche if you tickle it from the wrong spot. Most likely trigger points are areas where the snowpack is shallow or variable so avoid fat to thin transitions and stick to places where the snowpack is deep. Remote triggering is possible and a cornice fall or surface avalanche could set off a deeper slide so be aware of your overhead exposure. Decreasing temperatures will initially make it harder to trigger this problem but if the cold persists, the failure layer will become weaker and we may eventually see sensitivity creeping up again in the coming days
A layer of weak facets (sugary snow) can be found down 70-160 cm near a crust layer that formed in early December. Recent snow and wind is overloading this weak layer, which could produce very large, destructive avalanches. Cornices could also reach their breaking point, triggering very large persistent slab avalanches on slopes below.
A layer of weak facets (sugary snow) can be found down 50-120 cm over a crust that formed in early December. This layer has shown reactivity in snowpack tests. Avoid likely trigger spots such as steep, convex slopes, with a shallow or thick to thin snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":235,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"t
An early season crust at the base of the snowpack has shown reactivity in the southeast corner of the forecast region. While this layer likely needs a heavy trigger like a cornice collapse or smaller avalanche setting down, human triggering may still be possible on thin rocky slopes in this part of the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8lrta","text":"
A widespread weak layer of facets and depth hoar exists at the base of the snowpack above 2200m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":6,"key":0},{"offset":38,"length":10,"key":1}],"data":{}},{"key":"80r15","text":"Avoid thin and rocky start zones where this layer may sit closer to the surface, and big, open slopes capable of producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
Fresh wind slabs are likely to form at upper elevations as winds build in advance of the next storm. If triggered, wind slab avalanches may step down to deeper layers resulting in larger avalanches.
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. As the recent snow is settling and stiffening above, this layer is beginning to produce avalanches and warrants conservative terrain selection. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpsr2","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
A persistent slab problem formed by a crust down 50-120 cm has created a low likelihood, high consequence scenario that is difficult to forecast.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7thto","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"doq0a","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9pgtf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cviq1","text":"
A layer of weak facets (sugary snow) can be found down 80-150 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and this storm may well induce a natural avalanche cycle.
layer of weak facets (sugary snow) can be found down 100-180 cm near a crust that formed in early December. It is more likely to human trigger this persistent slab in thick to thin areas at tree line elevations. The possibility for large remote-triggered avalanches warrants conservative terrain margins.
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has recently produced large avalanches from explosive triggers and warrants conservative terrain selection.
A layer of weak facets (sugary snow) can be found down 50-90 cm over a crust that formed in early December. This layer has demonstrated reactivity in snowpack tests and warrants conservative terrain selection. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bf79p","text":"
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has recently produced large avalanches from explosive triggers. As the sun comes out today, we may see substantial warming which will increase the reactivity of this layer and warrant conservative terrain selection.
There is still concern for persistent weak layers like facets and surface hoar which may rest on the crust which was buried last week and is now typically down 40 to 70 cm below the surface. This interface appears to have stabilized in the south of the region but remains a concern in the north.
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. As the sun comes out today, recent snow is settling and stiffening above and this layer, it may beginning to produce avalanches and definitely warrants conservative terrain selection. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b00ek","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpsr2","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. There is uncertainty around how this layer will react with increased load from continued snowfall and definitely warrants conservative terrain selection. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b00ek","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpsr2","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has recently produced large avalanches from explosive triggers.
In the north of the region, a layer of weak facets (sugary snow) can be found down 90-170 cm near a crust that formed in early December. It may be possible to human trigger persistent slabs in thinner areas at upper elevations, such as near ridge tops. The possibility for large remote-triggered avalanches warrants conservative terrain margins.
A layer of weak facets (sugary snow) can be found down 70-160 cm near a crust that formed in early December. It is more likely to human trigger this persistent slab in thick to thin areas at tree line elevations. The possibility for large remote-triggered avalanches warrants conservative terrain margins.
The incoming weather will form new wind slab in the treeline and alpine.
his layer is deeply buried and there has been very little activity on it since December 1st.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3kdk","text":"Most likely trigger points are areas where the snowpack goes from thin to thick, such as rock outcroppings. A large trigger like a cornice fall or avalanche in motion could potentially activate this deep persistent slab.
The incoming storm will form new wind slab in exposed terrain in the treeline and alpine.
A persistent slab problem formed by a crust down 50-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
A persistent slab problem formed by a crust down 60-100 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
The incoming storm will form wind slab in exposed terrain.
,"type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3kdk","text":"Most likely trigger points are areas where the snowpack goes from thin to thick, such as rock outcroppings. A large trigger like a cornice fall or avalanche in motion could potentially activate this deep persistent slab.
Use extra caution in \"thick to thin\" areas where the likelihood of triggering this layer is greater.
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has produced large avalanches from explosive triggers and has shown reactivity in snowpack tests. Avoid likely trigger spots such as steep, convex slopes, with a shallow or thin to thick snowpack.
A layer of weak facets (sugary snow) can be found down 60-100 cm over a crust that formed in early December. This layer has produced large avalanches with explosive triggers and has shown reactivity in snowpack tests. A larger trigger such as a skier or snowmobile, may add enough stress to trigger a persistent slab.
A layer of weak facets (sugary snow) can be found down 50-100 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and as we assess the additional load on this layer from the storm, it will be critical to employ good travel habits and diligent decision making.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"845dg","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
We continue to receive sporadic reports of large avalanches on a weak layer of faceted grains around a melt-freeze crust that formed in early December. This layer is found around 70 to 150 cm deep and is most common at elevations between 1700 m and 2400 m. Read more about it here.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":276,"length":4,"key":0}],"data":{}},{"key":"c01o4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bhedj","text":"There is also a layer of weak surface hoar found about 25 to 50 cm deep, generally in terrain features sheltered from the wind. This layer may be more prevalent in the southern half of the region. Investigate for this layer prior to committing yourself to consequential terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","
A layer of weak facets (sugary snow) can be found down 50-120 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and this storm may be the tipping point to start seeing both natural and human triggered large destructive avalanches.
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust that formed in early December. There has been a significant amount of new load on top of this layer. As we assess the influence of the new snow, it will be crucial to practice good travel habits and diligent decision making.
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust that formed in early December. There have been reports of natural and human-triggered avalanches on this layer during the last storm in areas where the overlying slab is shallower. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bm9lg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to","text":"
A layer of weak facets (sugary snow) can be found down 50-90 cm over a crust that formed in early December. This layer has produced large avalanches from explosive triggers and has shown reactivity in snowpack tests. The new snow may add enough stress to trigger a persistent slab.
An early season crust at the base of the snowpack has shown reactivity in the southeast corner of the forecast region. While this layer likely needs a heavy trigger like a cornice collapse or smaller avalanche stepping down, human triggering may still be possible on thin rocky slopes in this part of the region.
A layer of weak facets (sugary snow) can be found down 60-120 cm over a crust that formed in early December. This layer has shown some reactivity in snowpack tests. The new snow may add enough stress to trigger a persistent slab. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4s8tn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"845dg","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f8qrp","text":"The winds have shifted back to the southwest early Friday morning and may form small wind slabs in areas where there remains snow available for transport. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9rsg5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ah3c7","text":"Older wind slabs formed by recent northerly winds may linger in open terrain, but are becoming less likely to trigger with sustained cold temperatures.
25-40 cm of recent storm snow has formed a widespread storm slab problem that may remain possible to human trigger. Closely monitor how the recent storm snow is settling and bonding to the old surface.
5-50 cm of recent storm snow has formed a widespread storm slab problem that may remain possible to human trigger. Closely monitor how the recent storm snow is settling and bonding to the old surface.
A widespread weak layer of facets and depth hoar exists at the base of the snowpack above 2200m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":6,"key":0},{"offset":38,"length":10,"key":1}],"data":{}},{"key":"80r15","text":"Avoid thin and rocky start zones where this layer may sit closer to the surface, and big open slopes capable of producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
ecent moderate to strong southwesterly winds have formed recent storm snow into slabs that are deeper and more reactive in leeward features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":124,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{
There is still concern for persistent weak layers like facets and surface hoar which may rest on the crust which was buried last week and is now typically down 40 to 70 cm below the surface. This interface appears to be gaining strength in many areas but remains a concern for professionals in the region. Triggering an avalanche on this layer would result in a large, destructive avalanche so extra caution remains critical.
40-60 cm of snow sits over a weak layer on a thick crust. Over the weekend, avalanches were reported to have run on this layer.
A layer of weak facets (sugary snow) can be found down 60-100 cm over a crust that formed in early December. This layer has shown some reactivity in snowpack tests. The new snow may add enough stress to trigger a persistent slab. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9djkl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3djq5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e5jsj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65fdc","text":"
oderate to strong southwest winds have formed the recent storm snow into slabs that are deeper and more reactive in leeward features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":117,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{
There is still concern for persistent weak layers like facets and surface hoar which may rest on the crust which was buried last week and is now typically down 40 to 70 cm below the surface. This interface appears to be gaining strength in most areas but remains on the radar for professionals in the region.
This crust is widespread across the province, and many operations have been watching it for signs of reactivity as the load on top of it increases. It may also get more reactive as cold temperatures promote faceting above the crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":207,"length":24,"key":0}],"data":{}},{"key":"3opao","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bf79p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LI
resh wind slabs will likely form on lee features at treeline and above on Wednesday which may be reactive to human triggers.
","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5btku","text":"Our South Rockies field team was out in the Corbin area, looking for this layer. Their instagram post has tons of great information:)","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":87,"length":14,"key":0}],"data":{}},{"key":"c848","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9io4h","text":"They found that this layer was reactive with hard hits in a snowpack test on a west facing slope at 2000m. A persistent slab like this can be hard to trigger, but can result in large, destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":15,"key":1}],"data":{}},{"key":"cb1te","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7kma3","text":"This crust is widespread across the province, and many operations have been watching it for signs of reactivity as the load on top of it increases. It may also get more reactive as cold temperatures promote faceting above the crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":207,"length":24,"key":2}],"data":{}},{"key":"3opao","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bf79p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.instagram.com/p/CXfAJL3pemz/"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#persistent-slab"}},"2":{"type":"LI
A layer of weak facets (sugary snow) can be found down 70-150 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0},{"offset":266,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0},{"offset":267,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A layer of weak facets (sugary snow) can be found down 120-200 cm near crusts that formed in early December. It may be possible to human trigger this persistent slab in thinner areas near ridge tops, where the facets are more developed and where the crust layers are more accessible to the weight of a person or machine. The possibility for very large remote-triggered avalanches warrants wide and conservative terrain margins.
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust that formed in early December. There have been reports of natural and human-triggered avalanches on this layer during the last storm in areas where the overlying slab is shallower. For this reason, it is important to avoid thick to thin areas, shallow rocky start zones, and areas where a meter or less of snow overlies the crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":302,"length":13,"key":0}],"data":{}},{"key":"bm9lg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2to","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"t
layer of weak facets (sugary snow) can be found down 100-180 cm near a crust layer that formed in early December. The rapid load from new snow and wind will likely overload this weak layer and produce very large, destructive avalanches. Cornices could also reach their breaking point, triggering very large persistent slab avalanches on slopes below.
A layer of weak facets (sugary snow) can be found down 50-100 cm near a crust layer that formed in early December. The rapid load from new snow and wind will likely overload this weak layer and produce very large, destructive avalanches. Cornices could also reach their breaking point, triggering very large persistent slab avalanches on slopes below.
A layer of weak facets (sugary snow) can be found down 50-120 cm over a crust that formed in early December. This layer has shown reactivity in snowpack tests. Avoid likely trigger spots such as steep, convex slopes, with a shallow or thick to thin snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":235,"length":13,"key":0}],"data":{}},{"key":"cdjeb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e5jsj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65fdc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"t
There's been a few cm of snow this week, small wind slabs may have formed in areas where there remains snow available for transport.
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has produced large avalanches from explosive triggers and has shown reactivity in snowpack tests. Avoid likely trigger spots such as steep, convex slopes, with a shallow or thick to thin snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":292,"length":13,"key":0}],"data":{}},{"key":"5vj5l","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9m70r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"t
ecent winds have varied in direction and wind slabs may be found on multiple aspects. North winds \n may have created a tricky reverse-loading pattern. Avoid slopes where the snow feels stiff or \"slabby,\" and seek out softer conditions in wind-sheltered terrain.
A layer of weak facets (sugary snow) can be found down 100-180 cm near a crust layer that formed in early December. It may be possible to human trigger this persistent slab in thinner areas near ridge tops, where the facets are more developed and where the crust layers are more accessible to the weight of a person or machine. The possibility for remote-triggered avalanches warrants wide and conservative terrain margins.
A persistent slab problem formed by a crust down 50-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c3sal","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1dhlp","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
Recent winds have varied in direction and wind slabs may be found on multiple aspects. North winds may have created a tricky reverse-loading pattern. Avoid slopes where the snow feels stiff or \"slabby,\" and seek out softer conditions in wind-sheltered terrain.
Loose avalanches are possible in steep terrain. These avalanches likely won't be large enough to bury you but they could push riders into natural hazards such as cliffs, trees and creeks.
70-90 cm of recent snow and strong winds have formed wind slabs on lee features at treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3l2a7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7sqje","text":"
A layer of weak facets (sugary snow) can be found down 50-90 cm over a crust that formed in early December. As the sun comes out today, we may see substantial warming which will increase the reactivity of this layer and warrant conservative terrain selection.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bf79p","text":"
A layer of weak facets (sugary snow) can be found down 50-100 cm over a crust that formed in early December. This layer is starting to produce avalanches across the province and this storm may be the tipping point to start seeing both natural and human triggered large destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b00ek","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpsr2","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
A layer of weak facets (sugary snow) can be found down 40-70 cm over a crust that formed in early December. This layer has produced large avalanches from explosive triggers and has shown reactivity in snowpack tests. Avoid likely trigger spots such as steep, convex slopes, with a shallow or thick to thin snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":292,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"t
A persistent slab problem associated with a crust buried 50-150 cm deep has produced a number of large and surprising avalanches recently. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. Smaller storm slab avalanches have the potential to step down to this deep weak layer.
Although the curst associated with this layer has all but disappeared, the weak sugary crystals at the base of the snowpack remain. The bridging affect of the wind hammered upper snowpack is making it harder to trigger this layer but now is not the time to become complacent. When managing hard slab on top of facets I try to think in terms of consequences just in case I get surprised. \"If I trigger an avalanche here, what are the consequences? Will the avalanche be large? Are there terrain traps?\"
Weak faceted grains above the early December crust continue to produce unpredictable results. Large destructive avalanches have been produced on this layer recently. This layer is found around 80 to 150 cm deep and is most common at elevations between 1700 m and 2400 m. Read more about it here.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":94,"length":71,"style":"BOLD"}],"entityRanges":[{"offset":290,"length":4,"key":0}],"data":{}},{"key":"c01o4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bhedj","text":"There is also a layer of weak surface hoar found about 25 to 50 cm deep, generally in terrain features sheltered from the wind. This layer may be more prevalent in the southern half of the region, creating more reactive conditions in sheltered terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","
A persistent slab problem formed by a crust down 50-120 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Smaller storm slabs or wind slabs have the potential to step down to a deeper weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9pgtf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cviq1","text":"
The early December crust can be found down 80-200 cm below the surface, with weak, sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations and although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":318,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#low-probability-high-consequence
weak layer of facets above a crust that formed in early December is found 60-200 cm deep. While it has become less likely to trigger avalanches on this layer, the consequences are large. The most suspect terrain would be shallow rocky start zones at elevations between 1800-2100 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":223,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
A persistent slab problem formed by a crust down 60-100 cm has created a low likelihood, high consequence scenario that is difficult to forecast.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b5efd","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
A weak layer of facets above a crust that formed in early December is found 70-150 cm deep. While it has become less likely to trigger avalanches on this layer, the consequences are large. The most suspect terrain would be shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":223,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#shallow-rocky-st
A persistent slab problem formed by a crust down 90-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
A persistent slab problem associated with a crust buried 70-150+ cm deep has produced a number of large and surprising avalanches recently. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. Smaller storm slab avalanches have the potential to step down to this deep weak layer.
A weak layer of faceted grains above a hard melt-freeze crust may be found around 80 to 200 cm deep. This layer is most prominent between 1700 and 2100 m. All the recent snow is loading this weak layer, increasing the likelihood of triggering it. Humans are most likely to trigger it where it is spatially shallow, for example in thin, rocky snowpack areas.
A persistent slab problem formed by a crust down 70-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Smaller storm slabs or wind slabs have the potential to step down to a deeper weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cviq1","text":"
Expect the storm slabs formed from last weekend's storm to be most reactive in wind affected terrain.
A layer of weak facets (sugary snow) can be found down 70-150 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0}],"data":{}},{"key":"flrcs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"at8ho","text":"It is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":59,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A crust from early December is now 50-120 cm below the surface, and found up to 2300 m. A layer of weak facets (sugary snow) has been reported above and below this crust. Explosives have triggered large (size 2.5) avalanches failing on this layer as recently as Friday, Dec 24. New snow and wind loading, or a heavy trigger such as a skier or snowmobile, may add enough stress to trigger a persistent slab.
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust from early December. Large natural avalanches avalanches failing on this layer have been reported as recently as Friday, Dec 24. Additionally, some operators have reported that re-loaded bed surfaces (areas that have already avalanched this season) have become reactive with new loads, while deeper snowpack areas that did not previously avalanche remain dormant, furthering the complexity of dealing with a persistent weak layer.
In the north of the region, a layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. Also, it is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":21,"key":0},{"offset":295,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A layer of weak facets (sugary snow) can be found down 100-150 cm over a crust from early December. Large natural avalanches avalanches failing on this layer have been reported as recent as Friday, Dec 24. Additionally, some operators have reported that re-loaded bed surfaces (areas that have already avalanched this season) have become reactive with new loads, while deeper snowpack areas that did not previously avalanche remain dormant, furthering the complexity of dealing with a persistent weak layer.
Although the crust associated with this layer has all but disappeared, the weak sugary crystals at the base of the snowpack remain. The bridging affect of the wind hammered upper snowpack is making it harder to trigger this layer but now is not the time to become complacent. When managing hard slab on top of facets I try to think in terms of consequences just in case I get surprised. \"If I trigger an avalanche here, what are the consequences? Will the avalanche be large? Are there terrain traps?\"
Wind slabs may remain reactive to human triggers on lee features at upper elevations. If triggered, wind slab avalanches may step down to deeper layers resulting in larger avalanches.
A crust buried near the bottom of the snowpack has created a low likelihood, high consequence scenario, that if triggered, would result in a very large avalanche.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"75pj7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3o5ce","text":"Avoid likely trigger spots such as steep, rocky slopes, with a shallow or thin to thick snowpack.
A persistent slab problem formed by a crust down 70-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
The early December crust can be found down 100-200 cm below the surface, with weak, sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations and although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":318,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
A crust from early December is now 50-120 cm below the surface, and is found up to 2300 m. A layer of weak facets (sugary snow) has been reported above and below this crust. Explosives have triggered large (size 2.5) avalanches failing on this layer as recent as Friday, Dec 24. New snow and wind loading, or a heavy trigger such as a skier or snowmobile, may add enough stress to trigger a persistent slab.
layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0}],"data":{}},{"key":"7g5cs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"stq5","text":"It is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":59,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A layer of weak facets (sugary snow) can be found down 40-120 cm over a crust that formed in early December. This layer has shown some reactivity in snowpack and explosives tests. New snow or smaller avalanches may add enough stress to trigger a persistent slab. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"n58g","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}}],"entityMap":{"0":
layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December that remains possible to trigger. Cornice falls or wind slabs in motion may step down to this layer and trigger large destructive avalanches. It is more likely to human trigger this persistent slab in thin snowpack areas at elevations between 1500-2100 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":11,"key":0},{"offset":310,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A layer of weak facets (sugary snow) can be found down 70-150 cm near a crust that formed in early December. Storm slabs in motion may step down to this layer and trigger large destructive avalanches. It is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0},{"offset":260,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
Although the crust associated with this layer has largely decomposed, the weak sugary crystals at the base of the snowpack remain. The bridging affect of the wind hammered upper snowpack is making it harder to trigger this layer but now is not the time to become complacent. When managing hard slab on top of facets, try to think in terms of consequences just in case of a surprise. \"If I trigger an avalanche here, what are the consequences? Will the avalanche be large? Are there terrain traps?\"
A persistent slab problem formed by a crust down 60-130 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
We continue to receive sporadic reports of people triggering a weak layer of faceted grains around a melt-freeze crust that formed in early December. This layer is found around 70 to 150 cm deep and is most common at elevations between 1700 m and 2400 m.
The early December crust can be found down 90 to 150 cm below the surface. While activity on this interface has really tapered off, the recent storm snow has increased the load on this layer and potentially its reactivity. If triggered, this layer has the potential to be larger than expected, thus being very destructive. ","type":"unstyled","depth":0,"inlineStyle
A layer of weak facets (sugary snow) can be found down 70-150 cm near a crust that formed in early December. Cornice falls or wind slabs in motion may step down to this layer and trigger large destructive avalanches. It is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0},{"offset":276,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
weak layer of facets above a crust that formed in early December is likely now 100-225 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31r2m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24fgp","text":"While this layer has been less active recently, rapid loading from the new storm could wake it up, and the consequences would be large. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ddl2v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f47lu","text":"The most suspect terrain would be shallow rocky start zones at elevations between 1800-2100 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":34,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mu
The early December crust can be found down 90 to 150 cm below the surface. While activity on this interface has really tapered off, the recent storm snow has increased the load on this layer and potentially its reactivity. If triggered, this layer has the potential to be larger than expected, thus being very destructive.","type":"unstyled","depth":0,"inlineStyl
We continue to receive sporadic reports of large avalanches on a weak layer of faceted grains around a melt-freeze crust that formed in early December. This layer is found around 70 to 150 cm deep and is most common at elevations between 1700 m and 2400 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c01o4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bhedj","text":"There is also a layer of weak surface hoar found about 25 to 50 cm deep, generally in terrain features sheltered from the wind. This layer may be more prevalent in the southern half of the region. Investigate for this layer prior to committing yourself to consequential terrain.
Fresh storm slabs will form with heavy precipitation and warm temperatures. Greater loading will be found in wind loaded features, from southwest winds. Expect more reactive slabs where new snow sits over a crust.
layer of weak facets (sugary snow) can be found down 100-200 cm near a crust that formed in early December that remains possible to trigger. Cornice falls or wind slabs in motion may step down to this layer and trigger large destructive avalanches. It is more likely to human trigger this persistent slab in thin snowpack areas at elevations between 1500-2100 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":6,"key":0},{"offset":310,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
A layer of weak facets (sugary snow) can be found down 40-120 cm over a crust that formed in early December. This layer has shown some reactivity in snowpack and explosives tests. New snow or smaller avalanches may add enough stress to trigger a persistent slab. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkr0u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"n58g","text":"At the base of the snowpack above 2200 m, a layer of depth hoar lingers. Avalanches-in-motion have the potential to step down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":10,"key":0}],"data":{}},{"key":"5osrk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flj2a","text":"While the weight of a person is less likely to trigger layers of this depth, it still may be possible where the snowpack transitions from thick to thin, such as near rocky outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":
weak layer of faceted grains above a hard melt-freeze crust may be found around 100 to 250 cm deep. This layer is most prominent between 1700 and 2100 m. All the recent snow is loading this weak layer, increasing the likelihood of triggering it. Humans are most likely to trigger it where it is spatially shallow, for example in thin, rocky snowpack areas.
A layer of weak facets (sugary snow) can be found down 70 - 150 cm near a crust that formed in early December. Cornice falls or wind slabs in motion may step down to this layer and trigger large destructive avalanches. It is more likely to human trigger this persistent slab in thin areas at tree line elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":22,"key":0},{"offset":278,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facet-crust-layer"}},"1":{"t
The early December crust can be found down 100-180 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche has decreased, there is ongoing concern for cornice falls or smaller avalanches stepping down to this layer. Extra caution is recommended around thin snowpack areas and reloaded bed surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":394,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cmpaa","text":"The same feature or path can slide repeatedly when the persistent weak layer gets reloaded by new snow.
Fresh storm slabs will form with new snow above 1500m and warm temperatures. Greater loading will be found in wind loaded features, from strong southwest winds.
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Smaller storm slabs or wind slabs have the potential to step down to a deeper weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8lcpt","text":"The same feature or path can slide repeatedly when the persistent weak layer gets reloaded with new snow.
A deeply buried weak layer has produced a number of large and surprising avalanches in the past week and a half. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ebbus","text":"The same feature or path can slide repeatedly when the persistent weak layer gets reloaded with new snow.
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"71hv7","text":"The same feature or path can slide repeatedly when the persistent weak layer gets reloaded by new snow.
The early December crust can be found down 90 to 200 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a9a8n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9b78d","text":"There were recent avalanches on this layer. See the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejp23","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aihr1","text":"Sorry for sounding like a broken record, but triggering this layer is a low-probability, high consequence scenario.  A problem like this makes me hesitant to ride a big or committing feature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
Loose dry avalanches will be most likely on steep slopes where the new snow overlies surface hoar or a crust.
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Smaller storm slabs or wind slabs have the potential to step down to a deeper weak layer.
The early December crust can be found down 80 to 180 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3flk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"35gt5","text":"There were recent avalanches on this layer. See the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"408dp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6apg0","text":"Sorry for sounding like a broken record, but triggering this layer is a low-probability, high consequence scenario. A problem like this makes me hesitant to ride a big or committing feature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
A weak layer of facets above a crust that formed in early December is found 70-150 cm deep. While it has become less likely to trigger avalanches on this layer, the consequences are large. The most suspect terrain would be shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":223,"length":25,"key":0}],"data":{}},{"key":"699pp","text":"With an unpredictable problem such as this, it is critical for your group to practice good terrain travel techniques, be diligent in terrain selection, and to take a conservative approach to risk management.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":30,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#shallow-rocky-start-zone","target":"_blank","url":"https://www.avalanche.ca/glossary#shallow-rocky-start-zone"}},"1":{"type":"LINK"
Weak faceted grains above the early December crust continue to produce unpredictable large destructive avalanches. This layer is found around 80 to 150 cm deep and is most common concerning at treeline elevations. Terrain management skills are essential in dealing with this problem - avoid exposure to large unsupported slopes and thin and rocky start zones. This layer will be an ongoing issue this season. Read more about it here.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":86,"length":28,"style":"BOLD"}],"entityRanges":[{"offset":332,"length":26,"key":0},{"offset":428,"length":4,"key":1}],"data":{}},{"key":"c01o4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bhedj","text":"A layer of weak feathery surface hoar is buried 40-60cm in wind sheltered terrain, still reactive to skier triggers. This layer may be more prevalent in the southern half of the region. Take care in cut blocks and sheltered openings at treeline and below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#thin-spot"}},"1":{"type":"LINK","
The early December crust can be found down 90 to 150 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3flk","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"35gt5","text":"There were natural avalanches on this layer during the most recent storm, see the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"408dp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6apg0","text":"Sorry for sounding like a broken record, but triggering this layer is a low-probability, high consequence scenario. Even though the avalanche hazard has decreased, a problem like this makes me hesitant to ride a big or committing feature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
resh/ soft slabs will likely develop on exposed slopes at higher elevations. Recent new snow may be hiding older /harder wind slabs that were easily visible before the snow fell. While these slabs may be thin, they could be poorly bonded to the underlying snow, so be extra cautious in lee terrain and convex rolls.
Deeply buried weak layers in the snowpack will get tested this week with substantial warming and ongoing snowfall. While these layers have been dormant through the extended cold period, they have the potential to wake up this week, and smaller storm slab avalanches have the potential to step down to a deeper layer. Use extra caution and give the snowpack time to adjust to the warm conditions.
The early December crust can be found down 90 to 150 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a9a8n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9b78d","text":"There were natural avalanches on this layer during the most recent storm, see the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejp23","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aihr1","text":"Sorry for sounding like a broken record, but triggering this layer is a low-probability, high consequence scenario. Even though the avalanche hazard has decreased, a problem like this makes me hesitant to ride a big or committing feature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. Although the snowpack is slowly recovering from the last warm spell, it is uncertain how the recent warming/rain has affected the snowpack. In the meantime, avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p4bq","text":"
A deeply buried weak layer has produced a number of large and surprising avalanches in the past week and a half. As new snow loads and smaller storm slab avalanches further stress this layer, we may continue to see avalanche activity on it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"23s5t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4mej2","text":"This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.
A deeply buried weak layer has produced a number of large and surprising avalanches in the past week and a half. As new snow loads and smaller storm slab avalanches further stress this layer, we may continue to see avalanche activity on it. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.
Rising temperatures may quickly destabilize recent snow. Be mindful around steep solar slopes when the sun is out.
A persistent slab problem formed by a crust down 100-250 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
The recent storm snow likely overlies weak facets from the extended cold period and is expected to be reactive to human triggering on steep slopes.
Weak faceted grains above the early December crust found around 80 to 150 cm deep is most concerning in areas where the snowpack thins at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"22q20","text":"Avoid likely trigger spots such as steep, rocky start zones. Smaller avalanches have the potential to step down to deeper weak layers. Read more about it here.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":154,"length":4,"key":0}],"data":{}},{"key":"c01o4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bhedj","text":"A layer of weak feathery surface hoar is buried 40-60cm in wind sheltered terrain, still reactive to skier triggers. Take care in cut blocks and sheltered openings at treeline and below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
Fluctuation freezing levels on Sunday night and Monday mean that mid-elevations (Low alpine, tree-line) may see periods of freezing rain or rain.  Rain could cause the new storm snow to lose cohesion and create dense, wet loose avalanches.  If you see warm temperatures or rain making the storm snow heavy and moist, consider the avalanche danger HIGH and avoid steep slopes and overhead hazard.  This will mainly be a problem in coastal areas, but could extend as far inland as Terrace and Kitimat. ","type":"unstyled","depth":0,"inlineSty
A persistent slab problem formed by a crust down 140-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. This deeply buried weak layer has produced a number of large and surprising avalanches over the past two weeks. This problem is most likely to be triggered from thin or variable snowpack depth on wind-affected features, ridge crests, and near rocky outcroppings. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.","type":"unstyled","depth":0,"inlineSty
A persistent slab problem formed by a crust down 70-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Smaller storm slabs or wind slabs have the potential to step down to a deeper weak layer.
The early December crust can be found down 80 to 180 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"35gt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a5ms0","text":"There were recent avalanches on this layer. See the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7grqn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffvds","text":"With forecast weather, triggering this layer is moving from a low-probability, high consequence scenario to something we can expect to occur on a sporadic basis over the coming days.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":125,"length":6,"style":"ITALIC"}],"entityRanges":[{"offset":61,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this deep layer recently. This problem is likely to be triggered on steep, rocky slopes with a shallow or thin-to-thick snowpack. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow. ","type":"unstyled","depth":0,"inlineSty
Recently formed wind slabs may remain reactive to human traffic. The slabs formed from strong southeast to southwest wind. Use particular caution when entering lee terrain features near ridges.
The early December crust can be found down 90 to 200 cm below the surface, with weak, sugary crystals (facets) on top of it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a9a8n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9b78d","text":"There were recent avalanches on this layer. See the avalanche summary for more details.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejp23","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aihr1","text":"With forecast weather, triggering this layer is moving from a low-probability, high consequence scenario to something we can expect to occur on a sporadic basis over the coming days.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":125,"length":6,"style":"ITALIC"}],"entityRanges":[{"offset":61,"length":43,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
A persistent slab problem associated with a crust buried 80-160+ cm deep has produced a number of large and surprising avalanches recently. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. Smaller storm slab avalanches have the potential to step down to this deep weak layer.
A persistent slab problem formed by a crust down 70-130 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The deeply buried weak layer has produced a number of large and surprising avalanches over the past two weeks. This problem is likely to be triggered on steep, rocky slopes with a shallow or thin-to-thick snowpack. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.","type":"unstyled","depth":0,"inlineSty
Deeply buried weak layers in the snowpack will get tested this week with substantial warming and ongoing snow loading. While these layers have been dormant through the extended cold period, they have the potential to wake up this week, and smaller storm slab avalanches have the potential to step down to a deeper layer. Use extra caution and give the snowpack time to adjust to the warm conditions.
Cornices are reactive to human traffic with the warm temperatures and natural cornice falls become more likely. Large cornice falls are dangerous on their own. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cg9h1","text":"A failed cornice can trigger buried persistent weak layers and result in very large and destructive avalanches.
The early December crust can be found down 80 to 150 cm below the surface. While activity on this interface has really tapered off, it makes it difficult to have much confidence in stepping out into bigger terrain as avalanches failing on this layer have the potential to be large and destructive.
weak layer of faceted grains above a hard melt-freeze crust may be found around 100 to 250 cm deep. This layer is most prominent between 1700 and 2100 m. All the recent storm snow has loaded this weak layer, increasing the likelihood of triggering it. Humans are most likely to trigger it where it is spatially shallow, for example in thin, rocky snowpack areas.
A weak layer of faceted grains above a hard melt-freeze crust may be found around 80 to 200 cm deep. This layer is most prominent between 1700 and 2100 m. All the recent snow has loaded this weak layer, increasing the likelihood of triggering it. Humans are most likely to trigger it where it is spatially shallow, for example in thin, rocky snowpack areas.
The early December crust can be found down 80 to 200 cm below the surface, with a weak layer of facets on top of it. The likelihood of triggering an avalanche on this layer is decreasing but still remains a concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":261,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#low-probability-high-consequence
The early December crust can be found down 80 to 150 cm below the surface. While activity on this interface has really tapered off, it makes it difficult to have much confidence in stepping out into bigger terrain as avalanches failing on this layer have the potential to be very large and destructive.
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. It is uncertain how the forecast warm temperatures will affect the snowpack and if we will see more activity on this layer during the warm period.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2fnt","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Large additional loads like small avalanches or failed cornices can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer gets reloaded with new snow.
A deeply buried weak layer has produced a number of large and surprising avalanches in the past two weeks. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ebbus","text":"The same feature or path can slide repeatedly when the persistent weak layer gets reloaded with new snow.
The early December crust can be found down 100-200 cm below the surface, with weak, sugary crystals (facets) on top of it. The likelihood of triggering an avalanche on this layer is decreasing but still remains a concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":267,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
The early December crust can be found down 90 to 150 cm below the surface. While activity on this interface has really tapered off, the current storm snow will increase the load on this layer and potentially its reactivity. If triggered, this layer has the potential to be larger than expected, thus being very destructive. ","type":"unstyled","depth":0,"inlineStyle
The early December crust can be found down 90 to 150 cm below the surface. While activity on this interface has really tapered off, the current storm snow will increase the load on this layer and potentially its reactivity. If triggered, this layer has the potential to be larger than expected, thus being very destructive.","type":"unstyled","depth":0,"inlineStyl
Natural cornice fall is possible with upper elevation warming and solar radiation. Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cvtlu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d9fmj","text":"Loose wet avalanches are possible, especially on southerly aspects and steeper slopes.
The early December crust can be found 90-160 cm deep. A deep persistent slab problem could wake up with forecast warming, solar radiation, cornice fall, and step-downs from smaller avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A persistent slab problem formed by a crust down 70-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack.
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer recently. It is uncertain how the forecast warm temperatures will affect the snowpack and if we will see more activity on this layer during the warm period. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"avfjf","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Large additional loads like small avalanches or failed cornices can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A deep persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The old and deeply buried weak layer has produced a number of large and surprising avalanches over the past two weeks. This problem is likely to be triggered on steep, rocky slopes with a shallow or thin-to-thick snowpack. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with recent snow.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":154,"length":15,"style":"BOLD"}],"entityRanges":[{"offset":2,"length":28,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. It is uncertain how the forecast warm temperatures will affect the snowpack and if we will see more activity on this layer during the warm period. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2d3av","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Large additional loads like small avalanches or failed cornices can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p4bq","text":"
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. It is uncertain how the forecast warm temperatures in the south of the region will affect the snowpack and if we will see more activity on this layer during the warm period in that area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2fnt","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack. Large additional loads like small avalanches or failed cornices can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer gets reloaded with new snow.
A persistent slab problem formed by a crust down 120-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The deeply buried weak layer has produced a number of large and surprising avalanches in the past two weeks. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7au1o","text":"This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. Large additional loads like small avalanches or failed cornices can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A weak layer of faceted grains or surface hoar may be found around 50 to 100 cm, particularly in the north of the region. The likelihood of triggering it may be decreasing as the weather cools, but remains possible.
Natural cornice fall is possible with upper elevation warming and solar radiation. Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9f9kg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bsobu","text":"Loose wet avalanches are possible, especially on southerly aspects and steeper slopes.
Overnight snowfall will add to this week's 30-50cm of new snow. Southwest winds will have continued to build wind slabs in lee areas in the alpine and treeline.
Natural cornice fall is possible with upper elevation warming and solar radiation. Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5u8at","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eq718","text":"Loose wet avalanches are possible, especauilly on southerly aspects and steeper slopes.
If the sun comes out today, solar radiation compounded by warm temperatures may have a destabilizing effect on the upper snowpack. Wet loose avalanches have the potential to step down to buried weak layers and entrain large amounts of mass.
This is mainly a concern for inland areas with a thin snowpack. If the sun comes out today, strong solar radiation compounded by warm temperatures may create wet loose avalanches on steep solar aspects. In shallow snowpack areas, wet loose avalanches have the potential to step down to the ground and entrain a large amount of mass.
The early December crust can be found 140-200 cm deep. A deep persistent slab problem could wake up with forecast warming, solar radiation, cornice fall, and step-downs from smaller avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":56,"length":21,"key":0}],"data":{}},{"key":"5e0p2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A weak layer formed in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer of surface hoar has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on Northerly aspects where the layer may not be capped by a firm crust.
Weak layers in the snowpack may quickly gain reactivity as the snow becomes moist from rising temperatures and strong solar input. Cornices may quickly loose strength under the direct sun.
As the warm conditions and sun persist, loose wet avalanches will become more likely and potentially larger. Extra caution is necessary around steep south facing slopes when the sun is strong.
Cornices are reactive to human traffic with the warm temperatures and natural cornice falls become more likely. Large cornice falls are dangerous on their own. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ea52","text":"A failed cornice can trigger buried persistent weak layers and result in very large and destructive avalanches.
ornices are reactive to human traffic with the warm temperatures and natural cornice falls become more likely. Large cornice falls are dangerous on their own. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"99kap","text":"A failed cornice can trigger buried persistent weak layers and result in very large and destructive avalanches.
The early December crust can be found down 100-150 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for cornice falls or smaller avalanches stepping down to this layer. Extra caution is recommended around thin snowpack areas and reloaded bed surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":394,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
Natural cornice fall is possible with upper elevation warming and solar radiation. Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below.
A weak layer formed in late January may be found 40 to 80 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on Northerly aspects where the layer may not be capped by a firm crust.
Another rain event is not expected to have much of an impact on a snowpack that has already been rain-soaked but wet loose avalanches are possible on very steep slopes.
An old persistent weak layer buried deeply in the snowpack has been dormant recently but will get tested this weekend with the sustained warming event. Cornice falls or smaller avalanches have the highest potential to step down to a deeply buried weak layer.
The early December crust can be found down 100-150 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for smaller avalanches stepping down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":377,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
The early December crust can be found down 100-200 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche is decreasing, there is an ongoing concern for smaller avalanches stepping down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":380,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
The early December crust can be found down 100-200 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for smaller avalanches stepping down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":377,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
The early December crust can be found 90-160 cm deep. A deep persistent slab problem has created a low likelihood, high consequence scenario that is difficult to forecast. There was an increase in avalanche reports on this layer earlier this week. This is a complex problem so our best advice is to avoid likely trigger spots such as steep, rocky unsupportive slopes with a shallow or thin to thick snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Pockets of wind affected snow from the strong south-southwest winds may still be reactive to a human trigger. Take care around wind loaded ridgelines and cross loaded features mid slope. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bcbc","text":"Expect loading on all aspects, as recent wind directions have varied.
The early December crust can be found down 90 to 200 cm below the surface, with weak, sugary crystals (facets) on top of it. The likelihood of triggering an avalanche on this layer is decreasing but still remains a concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability
The early December crust can be found down 80 to 200 cm below the surface, with weak, sugary crystals (facets) on top of it. The likelihood of triggering an avalanche on this layer is decreasing but still remains a concern for avalanches stepping down. We are now in a low probability/high consequence scenario with this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":41,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#low-probability-high-consequence
The early December crust can be found 80-150 cm deep. A deep persistent slab problem has created a low likelihood, high consequence scenario that is difficult to forecast. There was an increase in avalanche reports on this layer last weekend due to warming in the adjacent Flathead-Lizard Region. This is a complex problem so our best advice is to avoid likely trigger spots such as steep, rocky unsupportive slopes with a shallow or thin to thick snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A persistent slab problem formed by a crust down 120-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The deeply buried weak layer has produced a number of large and surprising avalanches over the past two weeks. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind-affected features, ridge crests, and near rocky outcroppings. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A persistent slab problem formed by a crust down 120-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The deeply buried weak layer has produced a number of large and surprising avalanches over the past two weeks. This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. Although there was evidence of recent large avalanches on the layer, it is uncertain how the warm temperatures have affected the snowpack. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Large additional loads like small avalanches or cornice falls can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p4bq","text":"
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer recently. Although there was evidence of recent large avalanches on the layer, it is uncertain how the warm temperatures have affected the snowpack. Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Additional loads like small avalanches can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. Although a cooling trend means the snowpack is slowly gaining strength, it is uncertain how the recent warming/rain has affected the snowpack. In the meantime, avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p4bq","text":"
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer recently. Although a cooling trend means the snowpack is slowly gaining strength, it is uncertain how the recent warming/rain has affected the snowpack. In the meantime, avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
The early December crust can be found 80-150 cm deep. A deep persistent slab problem has created a low likelihood, high consequence scenario that is difficult to forecast. There was an increase in avalanche reports on this layer last weekend in the adjacent Flathead-Lizard Region. There have been no recent reports in this region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":21,"key":0}],"data":{}},{"key":"ark21","text":"However, change is in the air and it's going to get WARM this weekend. The warming and sunshine may be enough to wake this layer up and initiate large to very large and destructive avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":52,"length":4,"style":"BOLD"}],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A persistent slab problem formed by a crust down 90-160 cm has created a low likelihood, high consequence scenario that is difficult to forecast. Although a cooling trend means the snowpack is slowly gaining strength, it is uncertain how the recent warming/rain has affected the snowpack. In the meantime, avoid likely trigger spots such as steep, rocky slopes with a shallow or thin-to-thick snowpack.
The early December crust can be found 90-160 cm deep. A lot of uncertainty exists around this deep persistent slab problem. There was an increase in avalanche reports on this layer earlier this week but things have tapered off currently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":94,"length":20,"key":0}],"data":{}},{"key":"esnos","text":"However, change is in the air and it's going to get WARM this weekend. The warming and sunshine may be enough to wake this layer up and initiate large to very large and destructive avalanches. Smaller avalanches may step-down and trigger this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":52,"length":4,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"4ks7r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
rider triggerable wind slabs will likely exist on east and north aspects at and above treeline.
A few deeply buried weak layers could be present in the snowpack, 100-200 cm from the snow surface. They were buried between mid December and early January. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"avqlq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eijr5","text":"These layers vary across the region, but the approach to avoiding a large persistent slab avalanche stays the same. Be willing to avoid suspect slopes for a long time. Be patient, diligent and gather information before choosing to ride a large or committing feature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fj2hm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jn6d","text":"These layers were tested during the recent storm, but it will still take time to see how they reacted to the increased load and temperature changes.
A deep persistent slab problem formed by a crust exists down 140-200 cm in the snowpack. Currently, a lot of uncertainty exists around this layer as its been dormant for a little while now and is considered a low probability-high consequence avalanche problem. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":1,"length":29,"key":0}],"data":{}},{"key":"bm3ke","text":"However, change is in the air and it's going to get WARM this weekend. The warming and sunshine may be enough to wake this layer up and initiate large to very large and destructive avalanches.  Smaller avalanches may step-down and trigger this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":52,"length":4,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"5e0p2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
A weak layer of facets (sugary crystals) formed from prolonged cold temperatures in late December has shown recent reactivity as increased load has combined with warm temperatures. A noticeable trend is that these large, destructive avalanches are occurring in wind-loaded areas, with failures initiating as a wind slab and steeping down to this deeper layer. Extra caution should be taken whenever the snowpack is being tested with increased load, warm temperatures, or strong solar radiation.
A deep persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There was an increase in avalanche reports on this deep layer last week but nothing recently with the cool weather.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":203,"length":4,"style":"BOLD"}],"entityRanges":[{"offset":2,"length":28,"key":0}],"data":{}},{"key":"crmsg","text":"However, change is in the air and it's going to get WARM this weekend. The warming and sunshine may be enough to wake this layer up and initiate very large and destructive avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":52,"length":4,"style":"BOLD"}],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
arm sunny weather will likely trigger small loose wet avalanches on steep south-facing slopes.
Reverse loading from recent moderate winds have formed isolated wind slabs in the alpine. These may remain reactive to human triggers in immediate lees near ridge crest or in extreme terrain.
As the warm conditions and sun persist, loose wet avalanches will become more likely on sun exposed slopes. Extra caution is necessary around steep south facing slopes when the sun is strong.
Wet loose avalanches are possible on steep south aspects with warm temperatures and sun. Use caution in the heat of the day.
The early December crust can be found 90-160 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eqmq1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eaqbk","text":"This deep persistent slab problem has been less active over the weekend, but we have been reminded multiple times in the last month that this layer could remain a concern all winter.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":21,"key":0}],"data":{}},{"key":"64gov","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"85rn5","text":"Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice fall, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
An old persistent weak layer buried deeply in the snowpack has been dormant recently but is being tested by the sustained warming event. Large loads such as cornice falls or smaller avalanches have the highest potential to step down to a deeply buried weak layer.
Wet loose avalanches are possible on steep south aspects with warm temperatures and sun. Use caution in the heat of the day
The early December crust can be found 80-150 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cak5i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8elp7","text":"This deep persistent slab problem has been less active over the weekend, but we have been reminded multiple times in the last month that this layer could remain a concern all winter.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":21,"key":0}],"data":{}},{"key":"agh7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6itii","text":"Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice fall, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ark21","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Rider triggerable  wind slabs could be found on north and east aspects in the treeline and above. Recent winds have also formed unstable cornices , avoid slopes with large over hanging cornices.
A weak layer of facets (sugary crystals) formed from prolonged cold temperatures in late December has shown recent reactivity as increased load has combined with warm temperatures. A noticeable trend is that these large, destructive avalanches are occurring in wind-loaded areas, with failures initiating as a wind slab and stepping down to this deeper layer. Extra caution should be taken whenever the snowpack is being tested with increased load, warm temperatures, or strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmnc1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"et9fs","text":"A surface hoar layer exists 30 to 40cm above this layer and poses a similar risk
The early December crust can be found 140-200 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bjq9c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qfrp","text":"This deep persistent slab problem has been less active over the weekend, but we have been reminded multiple times in the last month that this layer could remain a concern all winter.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":21,"key":0}],"data":{}},{"key":"cd8b4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4phdi","text":"Thin rocky start zones are the most likely place to trigger this layer. Also, daytime warming, solar radiation, cornice fall, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5e0p2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Two buried weak layers remain a concern. The late-January crust/surface hoar is down 20-40 cm and the mid-January crust/facets is down 50-70 cm. Both layers woke up with the weekend warming and produced avalanches.
Watch for pockets of unstable snow in steep open terrain, especially along ridges.
The early December crust can be found down 100-150 cm below the surface, with weak sugary crystals (facets) on top of it. Large avalanches have been observed at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. Although the likelihood of triggering an avalanche is decreasing, there is ongoing concern for smaller avalanches stepping down to this layer. Cautious of thin snowpack areas and reloaded bed surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":377,"length":13,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK
20-40 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches over the weekend, and is expected to remain reactive on Monday. Treat open slopes at and below treeline with extra caution. The weak layer from mid-January down 40-70 cm may also be a concern in some areas.
The mid January surface hoar layer is a developing problem that could start to produce more avalanches in the near future. Use extra caution in sheltered terrain at treeline where preserved surface hoar is more likely to exist.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9urj0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tli2","text":"The early January facet layer is now down as deep as 80cm and might require a large load such as a cornice fall or a smaller avalanche in the layers above in order to be triggered. This problem is likely most concerning on high north and east facing terrain.
A weak layer formed in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"malm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u2vi","text":"This layer of surface hoar has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline and below. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Where a thick, supportive crust is present on the surface, avalanches on this layer are unlikely. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":319,"length":17,"style":"BO
xpect to find wind slabs in lee terrain features at higher elevations from strong south and west wind. Storm slabs will be found in sheltered terrain.
20-40 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for several natural and human-triggered avalanches over the weekend, and is expected to remain reactive on Monday. Treat open slopes at and below treeline with extra caution.
Rider triggerable wind slabs may be found on north and east aspects at treeline and above. Recent extreme winds may have focused slab formation at lower elevations than is typical.
New snow forecast for Sunday night will lose cohesion when it is heated by the sun. Small wet loose avalanches may run long distances in steep terrain.
Rider triggerable wind slabs will likely exist on east and north aspects at and above treeline. Recent strong winds may have focused slab formation at lower elevations than is typical.
Large cornices are reported with the ongoing strong wind over the past week. A cornice failure has the potential to trigger a slab avalanche on the slope below.
f the sun comes out today, strong solar radiation compounded by warm temperatures may weaken the upper snowpack in the afternoon, creating wet loose avalanches on steep solar aspects.
20-40 cm of settling snow sits over the January 30 surface hoar. This layer was responsible for numerous natural and human-triggered avalanches over the weekend. Treat open slopes at and below treeline with extra caution where  the surface hoar is most prominent. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ubl7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vt9c","text":"The weak layer from mid-January down 40-70 cm remains a concern in isolated areas and avalanches may still have the potential to step-down.
Thin new wind slabs may have formed on Monday in the south of the region. These could be more reactive than normal given the hard crust they are sitting on.
Strong westerly winds throughout the week have created wind slabs in the alpine. Wind slabs may be stubborn to human triggering but have the potential to step down to buried weak layers, creating large avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9cjdh","text":"Cornices may become weak with warm temperatures. Cornice failures put a large load on the snowpack, and have the potential to trigger buried weak layers, resulting in large destructive avalanches.
A weak layer formed in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a29n3","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on Northerly aspects where the layer may not be capped by a firm crust.
Terrain that didn't get rained on during Wednesday's storm has the potential to have received moderate amounts of snow with consistently strong wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3juu3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6fn84","text":"If the snow seems soft and dry, watch out for signs of instability like shooting cracks, or hollow, drum-like sounds, and use extra caution around ridge crests and on convex rolls. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"88mnt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ees4u","text":"The winds are forecasted to shift to the northwest on friday, so watch for reverse loading.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":75,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"typ
Strong westerly winds throughout the week have created wind slabs in the alpine. Wind slabs may be stubborn to human triggering but have the potential to step down to buried weak layers, creating large avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2uqv4","text":"Cornices may become weak with warm temperatures. Cornice failures put a large load on the snowpack, and have the potential to trigger buried weak layers, resulting in large destructive avalanches.
ome parts of the region will see clear skies on Friday, and may see above freezing temperatures into the alpine again. Be cautious around steep slopes that are in the sun, unless you are sure the snow surface is a thick, frozen crust.
Recent strong westerly winds have formed wind slabs in exposed terrain at higher elevations.
Strong westerly winds throughout the week have created a smorgasbord of wind slabs in the alpine and exposed treeline. Wind slabs may be stubborn to human triggering but have the potential to step down to buried weak layers, creating large avalanches.
olar radiation compounded by strong solar radiation may weaken the upper snowpack in the afternoon, creating wet loose avalanches on steep solar aspects.
Recent strong winds from the  south have formed wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar.
The south end of the region will see sunny skies again on Saturday, and temperatures warmer than zero into the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"44s0o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c1dhk","text":"Be cautious around steep slopes that are in the sun, unless you are sure the snow surface is a thick, frozen crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1ppue","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7ols0","text":"This problem will be less likely in the northern half of the region, where it should be cloudier and colder.
Thin wind slabs may be found in in exposed terrain in the alpine. These could be more reactive than normal given the hard crust they are sitting on.
There may still be old wind slabs lingering at higher elevations but the likelihood of triggering these old slabs continues to diminish with each day of the ongoing warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ohtt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f0354","text":"Cornices are expected to become weak with daytime warming and solar radiation.
Cornices are expected to become weak with daytime warming and solar radiation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6lm2k","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9l5ra","text":"There may still be old wind slabs lingering in the alpine but the likelihood of triggering these old slabs continues to diminish with each day of the ongoing warming.
This is only a concern in the southern part of the region. If the snow surface remains dry in the high alpine, strong westerly winds may have redistributed available snow into wind slabs in lee areas. Be aware as you transition above the rain crust and avoid any wind-loaded areas.
Large, looming cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures are dangerous on their own, but they also have potential to trigger large persistent slab avalanches that would otherwise be difficult to trigger.
Cornices are expected to become weak with daytime warming and solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad9g1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c839q","text":"There may still be old wind slabs lingering in the alpine but the likelihood of triggering these old slabs continues to diminish with each day of the ongoing warming. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7ntpe","text":"
Warm air will push into the region over the day on Tuesday and into Wednesday morning. The warming has the potential of triggering wet loose avalanches, which could step down to deeper layers where they exist.
A concerning weak layer of faceted grains above a melt-freeze crust is around 70 to 150 cm deep. We have been receiving reports of large, destructive avalanches on this layer every few days. We've been reminded multiple times over the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Snow loading from new snow and/or wind, daytime warming, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer. Learn more about this crust and how to deal with it in this forecasters' blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":597,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LIN
We have uncertainty around residual reactivity of a few layers in the upper snowpack which have been largely dormant during the dry spell but may become reactive with new snow loads. These layers are detailed in the second paragraph of the snowpack summary.
e have uncertainty around residual reactivity of a few layers in the upper snowpack which have been largely dormant during the dry spell but may become reactive with new snow loads. These layers are detailed in the second paragraph of the snowpack summary.
The mid January surface hoar layer is a developing problem that could start to produce more avalanches in the future. Use extra caution in sheltered terrain at treeline where preserved surface hoar is more likely to exist.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9urj0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tli2","text":"The early January facet layer is now down as deep as 80cm and might require a large load such as a cornice fall or a smaller avalanche in the layers above in order to be triggered. This problem is likely most concerning on high north and east facing terrain.
15-30 cm of new snow has formed a widespread storm slab problem that will be especially reactive to human triggering in sheltered areas near treeline where large surface hoar sits over a crust.
weak layer formed by clear skies in late January exists in the upper meter of the snowpack. In most areas,  a firm crust under the most recent storm snow will bridge the weak interface, making human triggering unlikely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8fh2c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crecu","text":"On the eastern side of the ranges in shallower snowpack areas, weak snow (basal facets) may exist near the base of the snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":74,"length":12,"key":0}],"data":{}},{"key":"eig9c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"491as","text":"Large triggers, like warming, additional load from new snow, and cornice failures could be enough to wake these layers up, initiating large and surprising avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
New load increases the likelihood of triggering avalanches on deeper layers. Storm slabs in motion or cornice falls may affect these persistent weak layers. \n Use extra caution during heavy snow, rain or wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9o83o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9hhcm","text":"Two layers of weak surface hoar are buried, 5-20 cm deep and 25-50 cm deep, mostly found in treeline and low alpine features sheltered from the wind and sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4505g","text":"A widespread thick crust is buried 60-100 cm deep. Avalanches on this layer will likely reach large sizes.
A weak layer of faceted grains above a hard melt-freeze crust is buried around 120 to 250 cm deep. Although the likelihood of triggering this layer is expected to reduce given the current weather trend, the snowpack structure remains. Any release on this layer would be highly consequential.
The mid-January surface hoar layer is a developing problem that could start to produce more avalanches in the future with increased load and slab development above. Use extra caution in sheltered terrain at treeline where preserved surface hoar is more likely to exist.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9urj0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tli2","text":"The early January facet layer is now down as deep as 80cm and might require a large load such as a cornice fall or a smaller avalanche in the layers above in order to be triggered. This problem is likely most concerning on high north and east facing terrain.
Weak faceted grains sit on a hard melt-freeze crust, buried around 100 to 200 cm deep. Although the likelihood of triggering this layer will reduce given the current weather trend, the snowpack structure remains. Any release on this layer would be highly consequential.
There is uncertainty surrounding the presence of surface hoar at the recent storm snow interface, particularly around treeline elevations. If you are increasing your exposure to avalanche terrain, carefully evaluate the bond of the new snow to the crust.
In the north of the region, there is uncertainty surrounding the presence of surface hoar at the recent storm snow interface, particularly around treeline elevations. If you are increasing your exposure to avalanche terrain, carefully evaluate the bond of the new snow to the crust.
New and recent snow and wind continue to build storm slabs over a thick rain crust. Storm slabs will be most reactive in wind affected terrain.
A weak layer formed in late January may be found 40 to 120 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a29n3","text":"Reactivity has begun to taper, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dk36u","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
Large overhanging cornices have formed. Avoid travel underneath these hazards.
A concerning weak layer of faceted grains above a melt-freeze crust is around 70 to 150 cm deep. Thin rocky start zones are the most likely place to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"33abp","text":"This layer has produced large and destructive avalanches following significant weather events. Snow loading from new snow and/or wind, daytime warming, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"74gfv","text":"Learn more about this crust and how to deal with it in this forecasters' blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":60,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LIN
30-70 of recent snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and release sympathetic avalanches in adjacent terrain.
Wind slabs may be found in steep, wind-exposed terrain. They may be found on all aspects due to variable wind directions.
Fresh reactive slabs may form over a smooth crust, and on a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"333g3","text":"The snow came with southwest winds, and winds have now shifted to the northwest - expect wind slabs on most aspects.
30 to 50cm of recent snow sits over a facet-crust weak layer combination that is possible to human trigger. Recent observations demonstrate the potential for this problem to be triggered remotely and release sympathetic avalanches in adjacent terrain. It is most reactive around 1900m.
Recent snow and moderate southwest winds have formed wind slabs at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"el51s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1fcb0","text":"These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":100,"length":12,"key":0}],"data":{}},{"key":"4f2vt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
Fresh reactive slabs may form over a smooth crust, and on a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fubv8","text":"The snow came with southwest winds, and winds have now shifted to the northwest - expect wind slabs on most aspects.
Dry loose avalanche activity is likely from steeper slopes and terrain features where the new snow has not formed a slab.
Fresh wind slabs may build with continued strong westerly winds. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a0fm","text":"Expect wind loading in unusual places, as wind direction is atypical and stronger wind speeds may load mid slope features.
Daytime warming on Thursday could continue to allow for surface layers to lose cohesion and shed from steep slopes. This may occur naturally on sun-exposed slopes but is even more likely with a human trigger. Larger releases have potential to trigger destructive persistent slab avalanches, especially around lower alpine and treeline.
Rapid warming on Wednesday will cause surface layers to lose cohesion and shed from steep slopes. This may occur naturally but is even more likely with a human trigger. Larger releases have potential to trigger destructive persistent slab avalanches, especially around treeline.
The late-January weak layer is down 40 to 100cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive crust above.
Recent strong westerly have formed reactive wind slabs in exposed terrain at higher elevations. In the north of the region it is possible that wind slab has formed over a persistent weak layer from late January.
y the end of Wednesday, up to 20 cm of new snow is forecast, primarily in the southwest of the region. Expect to find wind slabs in lee terrain features at higher elevations from strong to extreme southwest wind. Storm slabs may be found in sheltered terrain. Slabs will be especially touchy where they sit on a buried weak layer of surface hoar.
Expect the upper snowpack to remain quite wet below treeline. With the sun forecast to come out on Thursday, use extra caution on or under steep, sunny slopes.
Recent storm snow can be most likely triggered in wind loaded terrain features such as ridge crests and roll-overs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"
In areas that see greater than 20cm of new snow storm slabs will likely form. This is very likely in the terrain around 5040 Peak. forecasted precipitation will likely fall as rain below treeline but some terrain near the upper extend of the below treeline elevation band may experience snow.
Fresh wind slabs may build with continued strong westerly winds. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"airqs","text":"Expect wind loading in unusual places, as wind direction is atypical and stronger wind speeds may load mid slope features.
Wind slabs may continue to build with strong westerly winds and new snow on Friday. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hf0l","text":"Look for wind loading in unusual places, as direction has varied from northwest to southwest. Stronger wind speeds may also load mid slope features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"euf02","text":"
Fresh wind slabs may build with continued strong westerly winds and new snow. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f47tu","text":"Look for wind loading in unusual places, as direction has varied from northwest to southwest and stronger wind speeds may load mid slope features.
Fresh wind slabs may build with continued strong westerly winds and new snow. Expect reactivity where they overly a smooth crust, or a weak surface hoar layer in sheltered terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flpng","text":"Look for wind loading in unusual places, as direction has varied from northwest to southwest and stronger wind speeds may load mid slope features.
As the snow accumulates, new slabs will build. Expect to find storm slabs in sheltered areas and wind slabs in wind-exposed terrain.
New slabs are building as the snow accumulates. Expect to find storm slabs in sheltered areas and wind slabs in wind-exposed terrain. The air is gradually warming, so slabs are expected to develop quickly.
By Saturday morning, up to 50 cm of relatively unconsolidated snow will sit over the January 30 surface hoar. With warming and sun in the forecast, this snow may quickly settle into a reactive slab this weekend. There is a lot of uncertainty regarding the timing and spatial extent of this scenario but it is expected to be most likely in the eastern part of the region which received more recent snowfall. Treat open slopes at and below treeline with extra caution.
Expect to find new storm slabs in sheltered areas and wind slabs in wind-exposed terrain. The air is gradually warming, so slabs may develop quickly within the recent snow.
Snow will continue to accumulate into Saturday morning, which has formed new slabs. Expect to find storm slabs in sheltered areas and wind slabs in wind-exposed terrain from strong southwest wind.
Expect to find new storm slabs in sheltered areas and wind slabs in wind-exposed terrain. The air is gradually warming, so slabs are expected to develop quickly from all the recent snow.
By Saturday morning, up to 50 cm of relatively unconsolidated snow will sit over the January 30 surface hoar. With warming and sun in the forecast, this snow may quickly settle into a reactive slab this weekend. There is a lot of uncertainty regarding the timing and spatial extent of this scenario but it is expected to be most likely in the western parts of the region which received more recent snowfall. Treat open slopes at and below treeline with extra caution.
ain will fall up to mountain top in the south end of the region, in many places hitting dry snow for the first time. Expect widespread, naturally triggered, wet loose avalanches in steep terrain.
Thin new wind slabs may form on Monday. These could be more reactive than normal given the hard crust they may be sitting on.
A weak layer formed by clear skies in late January exists in the upper meter of the snowpack. This layer consists of weak faceted snow, a melt-freeze crust at lower elevations and on steep solar aspects, and surface hoar in sheltered areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b9ocg","text":"A firm crust buried by 20-60 cm of storm snow may bridge the weak interface, making human triggering unlikely. However, large triggers like warming, additional load from new snow, and cornice fall could be enough to wake this layer up, initiating large and surprising avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fl3mp","text":"The most suspect slopes where surface hoar may exist would be sheltered, shaded aspects at treeline and below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v8dv","text":"Be extra cautious in areas where you not feel a firm and supportive crust below the storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":48,"length":5,"style":"BOLD"},{"offset":57,"length":10,"style":"BOLD"},{"offset":48,"length":4,"style":"UNDERL
Recent strong winds from the SW through NW have formed wind slabs in exposed terrain at higher elevations. These slabs are more reactive where they overlie buried surface hoar or a smooth crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37kmf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1rvki","text":"
Strong westerly winds throughout the week have created wind slabs in the alpine. Wind slabs may be stubborn to human triggering but have the potential to step down to buried weak layers, creating large avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1f3b0","text":"Cornices may become weak with warm temperatures. Cornice failures put a large load on the snowpack, and have the potential to trigger buried weak layers, resulting in large destructive avalanches.
ost of the region will see clear skies on Saturday, and may see above freezing temperatures into the alpine again. Be cautious around steep slopes that are in the sun, unless you are sure the snow surface is a thick, frozen crust.
A weak layer formed in late January may be found 50 to 120 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"Reactivity has begun to taper, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bij38","text":"Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on Northerly aspects where the layer may not be capped by a firm crust.
A weak layer formed in late January may be found 50 to 120 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6di7f","text":"Reactivity has begun to taper, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1nlef","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities.Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
Wind slabs could be found on north and east aspects in the treeline and above. Strong winds in the alpine mean that wind slab could be found further down slope than expected.
atch for moist and wet surface snow on slopes that receive significant sun. Recent dry storm snow could rapidly lose stability with strong solar input. Warming will be most significant around rock features.
A weak layer formed in late January may be found 50 to 120 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hup3","text":"Reactivity has begun to taper, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bij38","text":"Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
The recent storm brought 30 to 50 cm new snow which has formed slabs. Warm temperatures will further promote slab development. Expect to find storm slabs in sheltered areas and wind slabs in wind-exposed terrain from strong southwest wind.
0 to 40 cm of new snow is forecast for the west and south of the region. Wind slabs will be found in lee terrain features at higher elevations from strong south and west wind. Storm slabs will be found in sheltered terrain.
Warm temperatures and sun in the afternoon will increase the likelihood of wet loose avalanches. Be especially cautious on and below slopes that are exposed to the sun.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3m6br","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alqu4","text":"Cornices may become weak with sun and warming.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4rsou","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4n40c","text":"Cornices may become weak with sun and warming.
Recent strong winds from the SW through NW have formed reactive wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"97ut5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i14d","text":"Cornices may become weak with sun and warming.
Rider triggerable wind slab could be found near ridge crests at higher elevation where snow remains dry.
Rider triggerable  wind slabs could be found on north and east aspects in the treeline and above.
Expect to find storm slabs in sheltered areas and wind slabs in wind-exposed terrain. The air will stay warm overnight Sunday to Monday promoting slab development of the recent snow.
A substantial and rapid rise in temperature is expected to destabilize the recent snow on steep slopes. Back off terrain as the surface snow loses cohesion due to warming.
Strong southwest wind has formed wind slabs in lee terrain features at higher elevations. Wind slabs are especially touchy where they overlie a buried weak layer with surface hoar crystals.
A weak layer formed in late January may be found 50 to 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a29n3","text":"Reactivity on this layer has tapered, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dk36u","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
Watch for moist and wet surface snow on slopes that receive significant sun. Recent dry storm snow could rapidly lose stability with strong solar input. Warming will be most significant around rock features.
Cornices may have grown significantly with wind and snowfall over the past 3 days. Be especially mindful of overhead cornice hazard if the sun comes out and the storm snow is experiencing strong solar radiation for the first time.
ew snow forecast for Sunday night will lose cohesion when it is heated by the sun. Small wet loose avalanches may run long distances in steep terrain.
Warm temperatures compounded by strong solar radiation may create wet loose avalanches on steep solar aspects in the afternoon.
weak layer formed by clear skies in late January exists in the upper meter of the snowpack. In most areas,  a firm crust under the most recent storm snow will bridge the weak interface, making human triggering unlikely. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6os3h","text":"On the eastern side of the ranges in shallower snowpack areas, weak snow (basal facets) may exist near the base of the snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":74,"length":12,"key":0}],"data":{}},{"key":"1afnp","text":"Large triggers, like warming, additional load from new snow, and cornice failures could be enough to wake these layers up, initiating large and surprising avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
ornices may have grown significantly with wind and snowfall over the weekend. Be especially mindful of overhead cornice hazard if the sun comes out and the storm snow is experiencing strong solar radiation for the first time.
Cornices overhead are a primary concern during sunny, warm, or windy conditions. Cornice failures are dangerous on their own, but they also have potential to trigger large persistent slab avalanches that would otherwise be difficult to trigger.
The late-January weak layer is down 40-100cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive crust above.
The late-January weak layer is down 40-100 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in many areas. It is likely only possible to trigger on polar aspects at upper treeline or lower alpine where the mid-February crust is thinner and not bridging.
A layer of surface hoar from late January is buried 20-50 cm deep. On solar aspects and at lower elevations surface hoar sits over a melt freeze crust. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"127ur","text":"Another layer of surface hoar/facets over a crust from early January is buried 40-100 cm deep. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d0er1","text":"Treat sheltered open slopes at a treeline with extra caution where the surface hoar is most likely to be preserved - like cut blocks. Deeper instabilities could be triggered in shallow snow pack areas or by a large load such as a cornice or step down avalanche. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7s92c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"174rp","text":"Avalanche activity is less likely where a thick and supportive crust sits on the surface.
A weak layer formed in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of facetted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qd1o","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns. Where a thick, supportive crust is present on the surface, avalanches on this layer are unlikely. Triggering this layer from a distance away is a concern, watch out for adjacent and overhead slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":306,"length":17,"style":"BO
The late-January weak layer is down 40 to 100 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in many areas. It is likely only possible to trigger on polar aspects at upper treeline or lower alpine where the mid February crust is thinner and not bridging.
Persistent slab avalanches are possible due to two weak layers  in the upper snowpack. This includes the mid-February layer (down 40 to 60 cm) and the late-January layer (down 100 cm), both consisting of surface hoar and/or melt-freeze crusts. With increased load from the current storm and warmer temperatures, they have the potential to \"wake up\" and produce large, unexpected avalanches. The greatest concern is in southern parts of the region where there has been more recent avalanche activity on these layers.
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in most areas but still possible to trigger on northerly aspects at upper treeline or lower alpine where the overlying crust from mid-February is thinner and not bridging.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4076","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpns0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3vt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v20l","text":"The lower layer may be found roughly 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, cut blocks, and steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust
Fragile new cornices have been reported recently. Give cornices a wide berth when traveling on or below ridges.
Cornices may have grown significantly with wind and snowfall over the weekend. Be especially mindful of overhead cornice hazard if the sun comes out and the storm snow is experiencing strong solar radiation for the first time.
Watch for new wind slab formation on Saturday. Periods of moderate wind from the north may be enough to develop reactive new slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bs63","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4fuqp","text":"Lingering cornices may become weak during the heat of the afternoon. Cornices are most likely on north and east aspects in the alpine.
A weak layer formed in late January may be found 40 to 100 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dnfrb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a29n3","text":"This surface hoar layer has been the culprit of several large human-triggered avalanches in the past week and remains a concern, especially in sheltered areas at treeline. Terrain features to be particularly cautious around include the lee side of ridges, openings in trees, cut blocks, and burns, especially on Northerly aspects where the layer may not be capped by a firm crust.
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in most areas. It is likely only possible to trigger on polar aspects at upper treeline or lower alpine where the overlying crust from mid-February is thinner and not bridging.
With each subsequent day of melt-freeze conditions, loose wet avalanches will become less likely. However, extra caution is still recommended on steep sun-exposed slopes during the heat of the afternoon. Where the crust is breaking down or non-existent, loose wet avalanches will be more likely.
A number of days of sun and high freezing levels will likely wake up cornices. Avoid slopes with cornice hazard above.
Upper level winds are forecast to pick up overnight. Watch for freshly formed wind slabs in the alpine.
Cornices are waking up with warm temperatures. Cornices can be unpredictable so it's best to avoid them all together during these warm spells.
ornices may have grown significantly with wind and snowfall over the past 3 days. Be especially mindful of overhead cornice hazard if the sun comes out and the storm snow is experiencing strong solar radiation for the first time.
Loose dry avalanches may be triggerable in new and recent snow by riders in steep, shady, wind sheltered areas where the snow hasn't formed a slab.
With clearer skies forecasted across the region on the weekend, watch for the recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3kc2r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1pg9c","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
A layer of potentially weak crystals including facets, surface hoar and crust was buried at the end of February. As overlying snow gains slab property through settlement or wind effect, slab avalanches on this layer could become more likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e21t2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"
Persistent weak layers have gained strength over the past week, but it may still be possible to trigger large avalanches on buried surface hoar or crust layers found 50 to 100 cm deep. The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes.
With clearer skies forecasted across the region for the weekend, watch for recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"es2ss","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"21bol","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive crust above. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dljjb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4f4ng","text":"In the south of the region, a weak layer from mid-February under the recent storm snow is the more concerning buried weak layer.
Several persistent weak layers exist within the snowpack. In the south of the region a supportive crust from early March is bridging these layers making triggering unlikely.
Periods of sunshine could initiate loose wet avalanches on south-facing slopes.
Yet another layer has graduated into this category. A recently buried layer of surface hoar and/or sun crust was touchy to skier triggers north of Nelson on the weekend. Cooling temperatures and cloudy skies should help it calm down for now but once the weather becomes favorable for slab formation (warm temperatures, new snow load, wind, etc), we will have our eye on this one.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"78ojc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4tit4","text":"Older weak layers from February and January (mostly crusts and surface hoar) are now down 60+ cm and 100+ cm, respectively. These are primarily a concern in the northeast of the region on northerly aspects around treeline. Deep avalanches have been observed there recently but it can be difficult to tell from afar exactly which layer was the culprit.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhlqo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Diligent terrain selection is required for these types of avalanche problem. Signs of instability may not be visible on the surface, and the resulting avalanches will be large. An important part of your strategy would be to avoid rocky start zones below ridgetops and convex rolls.
Persistent weak layers of surface hoar and/or crust can be found 50 to 100 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c67r1","text":"The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ei3i0","text":"This problem exists on all aspects, however danger will increase on sun-affected slopes throughout the day.
Loose wet avalanches will become more likely throughout the day on sun affected slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq7ei","text":"Keep an eye on surface conditions as you travel. As snow becomes moist or wet, minimize your exposure and seek out other aspects.
Sun and warm temperatures will likely wake up cornices. Avoid slopes with cornice hazard above.
Loose wet avalanches will become more likely throughout the day on sun affected slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cppnp","text":"Keep an eye on surface conditions as you travel. As snow becomes moist or wet, minimize your exposure and seek out other aspects.
The most recent storm buried a weak layer of surface hoar. This layer has produced large and surprising human-triggered avalanches in the past few days and reactivity is expected to persist into the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8htni","text":"The most reactivity on this layer has been seen on wind-loaded, east-facing slopes in the alpine and treeline, but caution should be taken on all aspects as this problem unfolds.
Strong to extreme west wind will redistribute loose snow where it is available and build fresh wind slabs. Wind slabs can be found in lee terrain features below ridge crests and might be found farther down slope than expected due to the strength of the wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"83lo8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a22dq","text":"Persistent weak layers are buried 30-60 cm deep and consist of weak, feathery surface hoar, a melt-freeze crust or/and facets. Warm temperatures might increase the likelihood of triggering these layers. A triggered wind slab might step down to these layers and result in a larger avalanche than expected.
Cornices are large and can become weak with sun exposure. Caution around slopes that have cornice hazard above. Keep in mind that firm cornices can pull back into flat terrain at ridgetop if they fail.
The late February crust/facet/surface hoar layer is down 30cm in many parts of the region. It is a developing problem and could become more reactive with warming temperatures.
Watch for recent or ongoing wind slab formation on Monday. Periods of moderate wind from the north  over the weekend may have formed reactive slabs in exposed terrain at higher elevations. Ongoing periods of moderate northwest wind on Monday may continue to build fresh wind slabs where there is still dry, unconsolidated surface snow available for transport.
A stout crust from mid-February is now buried 50-70cm below the surface. This interface has not been exhibiting reactivity but the recipe for avalanches is there so this layer should continue to be investigated and treated with respect.
Cornices are large and can become weak with sun exposure. Caution around slopes that have cornice  hazard above. Keep in mind that firm cornices can pull back into flat terrain at ridgetop if they fail.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2p3a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s29v","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that in many areas the storm snow is bonding poorly to this hard interface, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtlee","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bfja8","text":"The lower layer may be found roughly 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
Persistent weak layers have gained strength over the past week, but it may still be possible to trigger large avalanches on buried surface hoar or crust layers found 50 to 100 cm deep, especially on convex slopes at upper elevations.
Wind slabs may be found in steep, lee terrain features at higher elevations.
A weak layer of faceted grains above a hard melt-freeze crust may be found around 50-80 cm deep. Last week this layer produced large avalanches. The problem was most prevalent on north to northeast aspects between 1600 m and 2100 m.
A stout crust from mid-February is now buried 40-70cm below the surface. This interface has not been exhibiting reactivity but the recipe for avalanches is there so this layer should continue to be investigated and treated with respect.
A buried crust surrounded by faceted grains produced avalanches in the north of the region last week. This layer is buried 30-60 cm deep in this area and was most problematic on north to northeast aspects around 1900 m to 2100 m.
Watch for recent or ongoing wind slab formation on Sunday. Periods of moderate wind from the north may be enough to develop reactive new slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egvfb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcmpb","text":"Lingering cornices may become weak during the heat of the afternoon. Cornices are most likely on north and east aspects in the alpine.
Watch for recent or ongoing wind slab formation on Sunday. Periods of moderate wind from the north may be enough to develop reactive new slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c73dp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f27cj","text":"Lingering cornices may become weak during the heat of the afternoon. Cornices are most likely on north and east aspects in the alpine.
Sunny skies and rising freezing levels will likely trigger a wet loose natural avalanche cycle on Monday within the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"m6r5","text":"Back off slopes as the surface becomes moist or wet with rising temperatures.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4076","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpns0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3vt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v20l","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, cut blocks, and steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m. It is now likely dormant in most areas. It is likely only possible to trigger on northerly aspects at upper treeline or lower alpine where the overlying crust from mid-February is thinner and not bridging.
New snow and southwest wind may form wind slabs in lee terrain features. The slabs will grow over the day and may not bond well to underlying layers.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"14lbu","text":"An upper layer exists down ~40-70 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"anabn","text":"The lower layer may be found roughly a meter deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2p3a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s29v","text":"An upper layer exists down 50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtlee","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bfja8","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
New wind slabs may start to form as new snow accumulates with southwest wind. Resulting slabs are expected to be quite small but they may not bond well to the snowpack.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"14lbu","text":"An upper layer exists down ~30-70 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"anabn","text":"The lower layer may be found roughly a meter deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
Expect freshly wind loaded features to be reactive to human triggers as southwest winds continue. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"886ki","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bm8hr","text":"Be aware that small avalanches in motion may step down to deeper layers.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4076","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpns0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":335,"length":174,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"f3vt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v20l","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, cut blocks, and steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust","type":"unstyled","depth":0,"inlineStyle
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive crust above. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8q48p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"61ugl","text":"In the south of the region, a weak layer from mid-February under the recent storm snow is the more concerning buried weak layer.
Recent snow and moderate southwest winds have formed wind slabs at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eeh62","text":"These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":100,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Wind slabs may be found at high elevations. Use caution in steep, lee terrain features.
Recent wind has left unstable wind slabs at upper elevations, especially along ridgetops.
Expect to find freshly wind-loaded features to be reactive to human triggers as snowfall and southwest winds create wind slab in lee features in the alpine and treeline.
Recently formed wind slabs may remain active to human triggers in isolated locations; especially where they are sitting on a slippery sun crust.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"14lbu","text":"An upper layer exists down ~30-70 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":334,"length":174,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"anabn","text":"The lower layer may be found roughly a meter deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2p3a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s29v","text":"An upper layer exists down 50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that storm snow is bonding poorly to this hard interface in many areas, and reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":334,"length":174,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"dtlee","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bfja8","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. Over the past few weeks, reactivity on this layer had tapered, but the storm over the weekend caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
Northerly wind may form wind slabs on southerly slopes. Where slabs form, they could be particularly touchy if they rest on a hard melt-freeze crust.
New load will increase the likelihood of triggering avalanches on deeper layers, creating large avalanches. Storm slabs in motion or cornice falls may affect these persistent weak layers. \nUse extra caution during heavy snow, rain or wind. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9o83o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9hhcm","text":"Two spotty layers of weak surface hoar are buried in the top 60cm of the snowpack, mostly found in treeline and low alpine features sheltered from the wind and sun.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b6etd","text":"A widespread, thick crust is buried 60-100 cm deep.","type":"u
Large cornices have been observed in the region. Limit your time on slopes with these hazards above them.
40-80 cm of recent storm snow, warm temperatures, and moderate southwest winds have formed storm slabs that have been most reactive in wind-affected terrain, or where slabs are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":204,"length":12,"key":0}],"data":{}},{"key":"9d59q","text":"In steep sheltered terrain, small dry-loose sluffs may be reactive to human-triggering. Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"
Large triggers such as storm slabs in motion or cornice falls may trigger large avalanches on these persistent weak layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9o83o","text":"Two layers of weak surface hoar are buried in the top 60cm of the snowpack, mostly likely to be found in treeline and low alpine features sheltered from the wind and sun.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b6etd","text":"A widespread, thick crust is buried 60-100 cm deep.","type":"u
Ongoing winds have formed overhanging cornices. The likelihood of natural cornice falls can increase with warming and solar input Cornice falls can trigger large avalanches on the slopes below.
A weak layer from late-January is down 40-100 cm and was most reactive between 1700 and 2000 m in the north of the region. It is now likely dormant in most areas, especially where there is a supportive crust above. In the south of the region, a weak layer from mid-February under the recent storm snow is the more concerning buried weak layer.
A layer with weak, feathery surface hoar crystals is buried 25-50 cm deep at sheltered treeline features and in the lower alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fuqdp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4505g","text":"A thick crust is buried 60-100 cm deep. Avalanches on this layer will likely reach large sizes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i1uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edh43","text":"A few, skier triggered avalanches and isolated natural activity up to size 2 were reported on both layers in the last few days. On Tuesday, explosives triggered avalanches up to size 2 on these layers.
Loose dry avalanches could be triggered by riders and solar input.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4076","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpns0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":205,"length":174,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"f3vt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v20l","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. The last storm caused this layer to 'wake up' on northerly aspects around treeline in the neighboring regions. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c2p3a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s29v","text":"An upper layer exists down 50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":263,"length":174,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"dtlee","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bfja8","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. The last storm caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
Loose snow in steep, confined features can be pushy. If you are riding in steeper, more extreme terrain, have a strategy to manage your sluff.
Extreme northwest wind will grow cornices even larger. Avoid slopes with cornice hazard above. Keep in mind that firm cornices can pull back into flat terrain at ridgetop if they fail.
Recent wind from the northeast has formed some wind slabs on lee aspects below ridgetops.
Yet another layer has graduated into this category. A recently buried layer of surface hoar and/or sun crust was touchy to skier triggers north of Nelson on the weekend. Cooling temperatures and cloudy skies should help it calm down for now but once the weather becomes favorable for slab formation (warm temperatures, new snow load, wind, etc), we will have our eye on this one.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"78ojc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4tit4","text":"Older weak layers from February and January (mostly crusts and surface hoar) are primarily a concern in the northeast of the region on northerly aspects around treeline. Deep avalanches have been observed there recently but it can be difficult to tell from afar exactly which layer was the culprit.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhlqo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Diligent terrain selection is required for these types of avalanche problem. Signs of instability may not be visible on the surface, and the resulting avalanches will be large. An important part of your strategy would be to avoid rocky start zones below ridgetops and convex rolls.
Cornices are growing with extreme wind. Avoid slopes with cornice hazard above. Keep in mind that firm cornices can pull back into flat terrain at ridgetop if they fail.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"14lbu","text":"An upper layer exists down ~30-70 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Reports suggest that reactivity on this layer may persist. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where recent wind-loading has occurred, and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":263,"length":175,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"anabn","text":"The lower layer may be found roughly a meter deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. The last storm caused this layer to 'wake up' on northerly aspects around treeline. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
Two weak layers exist within the upper snowpack: the mid-February layer (down 70 to 120 cm) and the mid-January layer (down 100 cm). They both consist of surface hoar / melt-freeze crust. With warmer temperatures and increase, they have the potential to \"wake up\" and produce large, unexpected avalanches. In times of uncertainty, choose simple terrain, low consequence slopes and conservative lines. ","type":"unstyled","depth":0,"inlineStyl
New wind slabs have started to form as new snow accumulates with southwest wind. Resulting slabs are expected to be quite small but they may not bond well to the old surface.
A layer of potentially weak crystals including facets, surface hoar and crust was buried at the end of February. As overlying snow gains slab properties slab avalanches on this layer could become more likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e21t2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"
Cornices are expected to have grown large during the recent storm and may be fragile on Tuesday, especially with extended exposure to the sun. Falling cornices are a likely trigger for slab avalanches on the slopes below.
30-60 cm of recent snow, warm temperatures, and moderate southwest winds formed storm slabs that have been most reactive in wind-affected terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54rvv","text":"In steep sheltered terrain, small dry-loose sluffs may be reactive to human-triggering. Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.
Cornices have grown large during the recent storm and may be fragile on Tuesday, especially with extended exposure to the sun. Falling cornices are a likely trigger for slab avalanches on the slopes below.
Persistent weak layers of surface hoar and/or crust can be found 40 to 100 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c67r1","text":"The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aacv7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ei3i0","text":"This problem exists on all aspects, however increased reactivity has been noted on northeast through southeast facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3f4an","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsg5q","text":"Watch for signs of instability like whumpfs, shooting cracks and recent avalanches.
A weak layer of faceted grains above a hard melt-freeze crust may be found around 40 to 80 cm deep. Last week this layer produced large avalanches. The problem is most prevalent on north to northeast aspects between 1600 m and 2100 m.
Last week's 30 to 60 cm of new snow has shown evidence of forming a persistent slab above weak layers. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dhpub","text":"At this point, we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.
Loose wet avalanches will become more likely throughout the day on sun affected slopes. Keep an eye on surface conditions as you travel. As snow becomes moist or wet, minimize your exposure and seek out other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e782u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v8kf","text":"Activity may be confined to recent settling storm snow, but could involve  deeper weak layers.
Two buried persistent weak layers are expected to create problems as the new storm snow accumulates. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"A weak layer from mid-February was down 20-30 cm prior to the storm and is expected to become reactive as the overlying snow forms a thicker and more cohesive slab. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d94cb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3t42o","text":"Two weak layers of surface hoar from January were down 40-70 cm prior to the storm and were primarily a concern in the east of the region on northerly aspects around treeline. Smaller storm avalanches have the potential to step down to these deeper layers.
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6hp0a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ugc0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where past wind-loading had occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":205,"length":172,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"2tjgs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"etenj","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. This layer 'woke up' during the last storm and should be treated with caution with this incoming one. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
There are two prominent weak layers in the upper meter of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4076","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bpns0","text":"An upper layer exists down ~50-100 cm and is comprised of surface hoar in sheltered areas, a crust at lower elevations and on solar aspects, and hard wind-affected snow in the alpine and exposed treeline. Be particularly cautious in sheltered areas where surface hoar may be preserved, or south-facing aspects where past wind-loading had occurred and a sun crust may be buried.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":205,"length":172,"style":"BOLD"}],"entityRanges":[],"data":{}},{"key":"f3vt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v20l","text":"The lower layer may be found 100-150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain. This layer 'woke up' in the neighboring regions during the last storm and should be treated with caution with this incoming one. The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.","type":"unstyled","depth":0,"inlineStyle
The late February crust/facet/surface hoar layer is down 30cm in many parts of the region. It is a developing problem and could become more reactive with warming temperatures. Several weak layers from February and January still exist in the upper and mid pack.
Expect to find freshly wind-loaded features that are reactive to human triggers as snowfall and southwest winds create wind slab in lee features in the alpine and treeline.
A weak layer of faceted grains above a hard melt-freeze crust may be found around 50-80 cm deep. Last week this layer produced large avalanches. The problem was most prevalent on north to northeast aspects between 1600 and 2100 m.
The warm spring sun may easily trigger loose wet avalanches at all elevations, especially on south facing slopes.
Once it starts to rain we can expect small wet loose avalanches in steep terrain.
Wind slabs remain triggerable in wind loaded terrain features such as ridge crests and roll-overs.  If triggered, wind slab avalanches may step down to deeper layers resulting in larger avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"
Persistent weak layers could be potential problems under the recent load of new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"Weak layers from February (mostly crusts and surface hoar) are likely down around 60 cm and may become more reactive as the overlying snow has formed a thicker and more cohesive slab. Two weak layers of surface hoar from January are likely down around a meter and were primarily a concern in the east of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4cgef","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Avalanches that start in the recent snow have the potential to step down to these deeper layers.
Up to 30cm of new snow has settled into a cohesive slab which overlies a variety of surfaces. Reactivity could vary depending on elevation and aspect. Pay attention to overhead exposure in larger avalanche terrain as likelyhood of natural avalanches will rise with continued snowfall.
Persistent weak layers of surface hoar and/or crust can be found 40 to 120 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c67r1","text":"The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aacv7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ei3i0","text":"This problem exists on all aspects, however increased reactivity has been noted on northeast through southeast facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3f4an","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsg5q","text":"Conservative terrain choices and disciplined decision making is required in areas where these persistent slabs remain active.
Springtime cornices are large and unpredictable. New snow and wind will further grow cornices, and the additional load can lead to cornice failures. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
Wet loose avalanches may be triggered out of steep terrain anywhere rain is falling on previously dry snow.
Persistent weak layers have gained strength over the past week, but it may still be possible to trigger large avalanches on buried surface hoar or crust layers found 50 to 100 cm deep. The problem is most likely found in the southern part of the Selkirk range (e.g. Valhalla, Goat and Kokanee ranges), especially on open convex slopes.
The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Valkyr, Goat, and Kokanee ranges). Persistent weak layers of facet/crust or surface hoar can be found 50 to 150 cm deep. These layers may be quite stubborn to human triggering but would produce large and surprising avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":121,"style":"BOLD"}],"entityRanges":[{"offset":147,"length":11,"key":0},{"offset":162,"length":13,"key":1}],"data":{}},{"key":"242m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"assah","text":"Extra caution should be taken when the snowpack is tested with new snow/rain, strong solar radiation, or significant warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://avalanche.ca/glossary#facet-crust-layer"}},"1":{"
In the adjacent Sea to Sky forecast region a persistent weak layer of facets on a crust exist 50 cm below the surface and has been touchy to human triggers, especially on northeast aspects at treeline (1700-1900 m). Remote triggering (from a distance away) is possible and a few size 2-2.5 avalanches failed easily on this layer Wednesday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":70,"length":17,"key":0}],"data":{}},{"key":"c6880","text":"There has been no direct reactivity reported in the South Coast Inland. However, the snowpack structure is similar in some locations and it should be on your radar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"typ
30 to 50 cm of recent storm snow has blanketed upper elevations. The likelihood of triggering a storm slab increases in steep or convex terrain and in wind loaded areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"208ge","text":"Looming cornices have grown large during the recent storm. They could pose threat from above and below, and weaken when the sun is out.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fdqkn","text":"
Looming cornices have grown large during the recent storm. They could pose threat from above and below and weaken when the sun is out.
Loose dry avalanches are likely triggerable by riders and the first kiss of sun on the new snow.
Periods of sunshine could initiate wet loose avalanches on south-facing slopes.
In southeastern parts of the region (e.g. Blue River and Clearwater) it may still be possible to trigger persistent slab avalanches on weak layers found 50 to 100 cm deep. The most suspect terrain is steep convex openings at treeline where buried surface hoar may be preserved.
A layer of potentially weak crystals including facets, surface hoar and crust was buried at the end of February. As overlying snow gains slab property through settlement (due to warm temperatures, new snow load, wind, etc), slab avalanches on this layer could become more likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e21t2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"11m1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8vb8e","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dvi","text":"
It may still be possible to trigger large avalanches on one of two weak layers found 50 to 100 cm deep. This includes the mid-February layer (down 40 to 60 cm) and the late-January layer (down 100 cm), both consisting of surface hoar and/or melt-freeze crusts. With increased load from the current storm and warmer temperatures, they have the potential to \"wake up\" and produce large, unexpected avalanches.
Persistent weak layers could be potential problems as the recent snow settles into a denser slab. A 1-5 cm thick crust that formed in early March is making it more difficult to affect these layers with the weight of a human or snowmobile. Use extra caution if this crust is not present, or is breaking down due to warming from the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"Weak layers from February (mostly crusts and surface hoar) are likely down around 60 cm and may become more reactive as the overlying snow has formed a thicker and more cohesive slab. Two weak layers of surface hoar from January are likely down around a meter and were primarily a concern in the east of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4cgef","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Avalanches that start in the recent snow have the potential to step down to these deeper layers.
With clearer skies forecasted across the region for Saturday, watch for the recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3kc2r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1pg9c","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
Two weak layers exist within the upper snowpack: the mid-February layer (down 70 to 120 cm) and the mid-January layer (down 100 cm). They both consist of surface hoar / melt-freeze crust. Evidence of their reactivity has been observed consistently all week. With increased load from the current storm and warmer temperatures, they have the potential to \"wake up\" and produce large, unexpected avalanches. In times of uncertainty, choose simple terrain, low consequence slopes and conservative lines.","type":"unstyled","depth":0,"inlineStyl
Two weak layers exist within the upper snowpack: the mid-February layer (down 40 to 60 cm) and the late-January layer (down 100 cm). They both consist of surface hoar / melt-freeze crust. Evidence of their reactivity has been observed consistently all week. With increased load from the current storm and warmer temperatures, they have the potential to \"wake up\" and produce large, unexpected avalanches. In times of uncertainty, choose simple terrain, low consequence slopes and conservative lines.","type":"unstyled","depth":0,"inlineStyl
Persistent weak layers of facet/crust or surface hoar can be found 40 to 120 cm deep. These layers may be stubborn to human triggering but would produce large and surprising avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"242m","text":"The problem is most likely found in the southern part of the Selkirks (e.g. Valhalla, Goat and Kokanee ranges).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"assah","text":"This problem may exist on all aspects. Caution should be taken when the snowpack is tested with new snow, strong solar radiation, or significant warming.
With clearer skies forecasted across the region for Saturday, watch for the recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"es2ss","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"21bol","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
With clearer skies forecasted across the region for Saturday, watch for the recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d308i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9afqd","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
Watch for new wind slab formation on Saturday. Periods of moderate wind from the north may be enough to develop reactive new slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egvfb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcmpb","text":"Lingering cornices may become weak during the heat of the afternoon. Cornices are most likely on north and east aspects in the alpine.
Looming cornices have grown large during the recent storm. They could still pose a threat from above or below, and are expected to become weak when the sun is at its strongest.
With clearer skies forecasted across the region for the weekend, watch for the recent, loose snow to become more reactive as the sun warms the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d308i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9afqd","text":"The recent snow came with very little wind, and the sun is starting to pack a bigger punch at this time of year. Small natural and rider triggered loose snow avalanches are likely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"L
Wind slabs could still be found in high alpine terrain. Sensitivity to triggering could be greater where wind slab has formed over a crust.
30-80 cm of recent snow, warm temperatures, and moderate southwest winds have formed storm slabs that have been most reactive in wind-affected terrain. Continued snowfall and wind throughout the day will build fresh and reactive slabs.
40-70 cm of recent snow and moderate southwest winds formed fresh wind slabs in lee areas in the alpine and treeline. These slabs may be surprisingly deep and propagate widely where they are sitting on a weak layer of surface hoar or a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":218,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"
Around 40 cm of recent snow sits over a weak layer of surface hoar on sheltered and shaded slopes. Wind loading has buried this layer up to 100 cm deep in some areas. Reactivity has been mostly reported on east-facing slopes, in the Pine Pass and Renshaw areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a4eis","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4dk9c","text":"A sun crust also sits on south facing slopes below the recent storm snow, and has the potential to be reactive to human triggers.
10-25 cm of recent snowfall and southwest winds are expected to form wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1qqam","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"655br","text":"Cornices have grown significantly in the past two weeks. Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices, especially when the temperature is warm or solar radiation is strong.
10-25 cm of recent snowfall and westerly winds have formed wind slabs in lee features in the alpine and treeline.
Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52ipf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1js2h","text":"Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
Recent snowfall and westerly winds are expected to have formed wind slabs in lee features in the alpine and treeline.
At lower elevations, the upper snowpack will likely stay wet and uncohosive with warm temperatures and cloud cover overnight. Wet loose avalanches will be possible out of steep terrain, especially if the sun comes out or it rains at lower elevations on Wednesday.
Fragile cornices have been reported recently. Give cornices a wide berth when traveling on or below ridges.
Wind slabs could still be found at higher elevations.
Ongoing winds have formed overhanging cornices. The likelihood of natural cornice falls can increase with warming.
At lower elevations, the upper snowpack will likely stay wet and uncohosive with warm temperatures and cloud cover overnight. Wet loose avalanches will be possible out of steep terrain, especially if it rains at lower elevations on Wednesday.
If the sun comes out, the likelihood of naturally triggered wet loose avalanches will increase rapidly.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cs0a7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eme6h","text":" A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bca2c","text":"
Solar-triggered loose avalanches are possible during the afternoon if the sun is shining brightly.
Expect freshly wind loaded features to be reactive to human triggers as southwest winds continue. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6nbsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"64ill","text":"Be aware that small avalanches in motion may step down to deeper layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54rvv","text":"
Wind slabs could still be found on high northerly terrain. Sensitivity to triggering could be greater where wind slab has formed over a crust.
We have uncertainty as to whether a layer of surface hoar buried 100-150 cm deep remains a problem after a widespread natural storm slab avalanche cycle on Tuesday may have triggered it in areas where it posed a problem.
Wet loose avalanches may occur at all elevations until the freezing level drops over the day on Wednesday. Activity is most likely where rain is soaking a previously dry snowpack. Wet loose avalanches have the potential of stepping down to deeper layers, where they exist.
Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24p3r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e52f","text":"Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
Around 40 cm of recent snow sits over a weak layer of surface hoar on sheltered and shaded slopes. Wind loading has buried this layer up to 100 cm deep in some areas. Reactivity has been mostly reported on east-facing slopes, in southern areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a4eis","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4dk9c","text":"A sun crust also sits on south facing slopes below the recent storm snow, and has the potential to be reactive to human triggers.
30 to 60 cm of snow has shown evidence of forming a persistent slab above weak layers. There have been reports of a poor bond to underlying sun crust layers on south slopes and surface hoar crystals on north slopes, especially north and south of Nelson in the Selkirk Range. At this point, we are uncertain about how long this problem will take to heal and suggest a more conservative approach to terrain to handle this uncertainty.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ifk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fq9kj","text":"Several other crust/facet layers exist in the upper 150 cm of the snowpack. Human-triggered avalanches on these layers are unlikely, but large triggers such as a cornice failure, or a smaller avalanche stepping-down to these layers is possible. Be extra cautious during period of rapid loading, significant warming, or strong solar radiation.
Snowfall has varied greatly throughout the region, recent storm snow may still avalanche under the weight of a rider. Start with small, low consequence slopes, and test the bond of the most recent snow before moving into bigger terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"evc1s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3fj0","text":"
oderate southwest wind and the possibility of new snow may form small, reactive windslabs over firm surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iral","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9c0","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tdgo","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"
Cornices are large and looming. Limit your time below cornices, especially when the wind is blowing.
Warm air and bits of rain are weakening the snowpack into the alpine. Wet loose avalanches may be triggered out of steep terrain anywhere rain is falling on previously dry snow.
Springtime cornices are large, weak and unpredictable. Give them a wide berth when traveling at ridge crest and avoid overhead exposure.
0-40 cm of new snow is settling into a slab, aided by wind and mild temperatures. Storm slabs may be triggerable, particularly in wind-affected terrain features. Loose dry avalanches are possible where the recent snow hasn't formed a slab.
Cornices have undergone rapid growth. Recently reported cornice failures have triggered wind slabs on slopes below.
Rising freezing levels and periods of strong sunshine throughout the day will create increased likelihood of triggered wet avalanches primarily on south facing slopes.
Rain at lower elevations will destabilize the upper snowpack. Loose wet avalanches are most likely at elevations where rain soaks new snowfall overlying a hard melt-freeze crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"448be","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aejd9","text":"Loose wet avalanches are also possible on steep sun-exposed slopes at higher elevations when the sun is shining Sunday afternoon.
Rain at lower elevations on Sunday morning will increase the likelihood of human-triggered wet loose avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4fgt8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d6o3i","text":"If the sun makes an appearance Sunday afternoon, solar-triggered wet loose avalanches should be expected on steep sun-exposed slopes.
Large cornices have been observed in the region. Limit time traveling on slopes with these hazards above them. Avoid these slopes all together during times of warming or solar input.
We have uncertainty as to whether a layer of surface hoar buried 70-120 cm deep remains a problem after a warm storm accompanied by a widespread natural storm slab avalanche cycle on Tuesday may have triggered it in areas where it posed a problem.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze at lower elevations. Paying close attention to how thick and supportive the surface crust is throughout the day will help you avoid any lingering wet loose avalanche problems below treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irvn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"Also be cautious on and under alpine avalanche terrain when the sun is cooking it.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze. Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes when the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Cornices have grown large during the recent storm and may be fragile on Wednesday, especially with extended exposure to the sun. Falling cornices are a likely trigger for slab avalanches on the slopes below.
Wind slabs may exist in steep, lee terrain features in the high alpine. These wind slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uvus","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp07t","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Cornices are expected to have grown large during the recent storm and may be fragile on Wednesday, especially with extended exposure to the sun. Falling cornices are a likely trigger for slab avalanches on the slopes below.
Wet loose avalanches may occur during periods of strong sun. They have the potential of stepping down to deeper layers, forming large avalanches.
Freezing levels are falling overnight, but the surface snow may not solidly refreeze. Loose wet avalanches have been most common on steep, sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ckepa","text":"Paying close attention to how thick and supportive the surface crust is throughout the day, and sticking to shady slopes if the sun is packing a punch are good ways to avoid any wet loose avalanche problems.
Recent storm snow will likely be most reactive on south facing slopes, where slabs sit over a crust.
Wind slabs may be found in steep, lee terrain features in wind-exposed terrain.
Use caution in steep, lee terrain features where wind slabs may be found.
Recent snowfall and westerly winds are expected to have formed small wind slabs in lee features in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kv8d","text":"
A weak layer may be found around 40 to 60 cm deep, particularly in the south of the region (e.g., Wells Gray, Blue River, Valemount). The layer consists of weak faceted grains above a hard melt-freeze crust on sun-exposed slopes and surface hoar in shaded areas sheltered from the wind. This layer is becoming harder to trigger, but a resulting avalanche would be large and destructive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j611","text":"Most recent activity has been on south aspects.
We have uncertainty as to whether a layer of surface hoar buried 70-120 cm deep remains a problem. While it is now likely too deep to be easily triggered by riders, it may remain triggerable by large loads such as cornices and avalanches.
Cornices have grown large recently. Give them a wide berth when travelling on or below ridges.
Even brief periods of strong April sun may initiate loose wet avalanche activity in the new snow.
Rain at lower elevations will destabilize the upper snowpack. Loose wet avalanches are most likely at elevations where rain soaks new snowfall overlying a hard melt-freeze crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f42mc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f008o","text":"If the sun makes an appearance Sunday afternoon, solar-triggered wet loose avalanches should be expected on sun-exposed slopes.
Wind slabs may be found in steep, lee terrain features in the alpine and exposed treeline. These wind slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"nd89","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2rdf","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Large cornices have become weak with recent mild temperatures. Cornice falls have the potential to trigger large avalanches on the slopes below.
Wind slabs may be found in wind-loaded terrain in the alpine and treeline, formed by recent snowfall and westerly winds. These wind slabs will be most reactive where they overlie a slick crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b70jg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a5rre","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Wind slabs may be found in high alpine terrain, where dry snow has been redistributed onto north and east facing slopes. Expect greater reactivity where slabs sit over a crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b30am","text":"Large cornices may also become weak and have the potential to trigger slabs on the slope below.
oderate southwest may redistribute recent snow into small, reactive windslabs over firm surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iral","text":"Watch for signs of instability like shooting cracks and recent avalanches.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9c0","text":"Windslabs can be most reactive when they are fresh, so tune in to loading patterns when you see blowing snow. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tdgo","text":"Use small test slopes to see how windslabs are bonding to the old surface.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"
Temperatures are forecasted to stay quite steady overnight, and the surface snow may not solidly refreeze at lower elevations. Pay close attention to how thick and supportive the surface crust is throughout the day, and avoid steep slopes when they are baking in the sun. This will help you avoid wet loose avalanche problems. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irvn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o60","text":"
Overhanging cornices have been observed in the region. The likelihood of natural cornice falls can increase with solar input.
Wind slabs may be found in steep, lee terrain features in the alpine and exposed treeline. These wind slabs will be most reactive where they overlie a slick crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2a6os","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aaar4","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Wind slabs may exist in steep, lee terrain features in the alpine. These wind slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"nd89","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f2rdf","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
large overhanging cornices have been observed in the region. Limit your exposure to these hazards.
Cornices are large at this time of the year and warm temperatures may cause them to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Wind slabs are only a concern in the north of the region around Revelstoke. Wind slabs may exist in steep, lee terrain features in the high alpine. These slabs will be most reactive where they overlie a slick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uvus","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp07t","text":"Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Large cornices have become weak with recent mild temperatures and are expected to remain weak on Thursday. Cornice falls have the potential to trigger large avalanches on the slopes below.
Cornices have not been reported to be particularly large or overhung, but there were several cornice falls reported during the last warm-up. With freezing levels forecasted to be as high as 3000 m on Tuesday, use extra caution above and under cornices, especially if they are baking in the sun.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tjhr","text":"Good travel habits around cornices include:","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejave","text":"stay far back from the edge when you are travelling on a corniced ridgetop","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqidb","text":"Avoid travelling under cornices, or put as much distance and terrain as you can between you and the cornice if travelling under them is unavoidable.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2m3sa","text":"Travel one at a time under a suspect slope, with eyes on the person crossing. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"hmps","text":"
reezing levels are below treeline, but mild daytime warming and spots of intense spring sun could make loose wet avalanches possible. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fislp","text":"The size of these avalanches will be mostly influenced by how deep the loose snow is. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6756u","text":"If there is a solid, supportive crust on the surface, avalanches will be unlikely. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2r3vn","text":"If the temperature is above zero, the sun is on a slope, and there is very little wind to keep the surface cool, avalanches will become likely.","type":"u
Large cornices have become weak with recent mild temperatures and are expected to remain weak on Thursday. This MIN post from Tuesday shows examples of cornices in the region including one which failed naturally. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":112,"length":8,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://w
ornices may become weak with rising temperatures. Cornice falls are hazardous on their own, and have the potential to trigger large avalanches on the slope below.
The likelihood of natural cornice falls could increase with solar input. Avoid traveling on slopes with cornices looming above.
Minimize your exposure to large open slopes during intense sun and warming. Last week's warm weather triggered large wet slab avalanches on steep and open terrain features at treeline and below, especially where the snowpack sits over smooth rock slabs.
Large overhanging cornices have been observed in the region. Limit your exposure to these hazards.
Wet slab and wet loose avalanches will likely increase in size and sensitivity to triggering as the freezing level rises and the sun comes out.
Loose wet avalanches are likely on steep slopes during Thursday's warming, especially with extended periods of sun exposure.
As rainfall and warm temperatures weaken the surface snow, wet avalanches become more likely. Avoid terrain features with wet and heavy surface snow.
Wind slabs may be found in wind-loaded terrain in the alpine, formed by snowfall and southwesterly winds. These wind slabs will be most reactive where they overlie a slick crust.
Springtime cornices are large and unpredictable. Give them a wide berth when travelling at ridge crest and avoid overhead exposure, especially when the air temperature is warm or solar radiation is strong.
Wet loose avalanches will likely occur in steep terrain on solar aspects and lower elevation terrain. The size and sensitivity to triggering could increase throughout the day.
Warm temperatures may cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Cornices have not been reported to be particularly large or overhung, but there were several cornice falls reported during the last warm-up. With the fast change in temperature, give them one more day of extra caution before returning to normal caution.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tjhr","text":"Good travel habits around cornices include:","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejave","text":"stay far back from the edge when you are travelling on a corniced ridgetop","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqidb","text":"Avoid travelling under cornices, or put as much distance and terrain as you can between you and the cornice if travelling under them is unavoidable.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2m3sa","text":"Travel one at a time under a suspect slope, with eyes on the person crossing. ","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"hmps","text":"
Up to 30 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust and when the sun comes out. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ib69","text":"Moderate to strong southwest wind has redistributed the new snow forming wind slabs in lee terrain features in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c13pu","text":"
Sun and warm temperatures will weaken the snow surface, especially on sun-exposed slopes, creating wet avalanches.
Up to 30 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust and when the sun heats up the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dlio2","text":"Moderate to strong southwest wind has redistributed the new snow forming wind slabs in lee terrain features in the alpine and at treeline.
Up to 25 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust and when the sun comes out.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ohb0","text":"Moderate to strong southwest wind has redistributed the new snow forming wind slabs in lee terrain features in the alpine and at treeline.
Up to 25 cm of new storm snow has accumulated throughout the region building fresh storm slabs. The slabs will be most reactive where they overlie a crust and when the sun comes out.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3i1q","text":"Moderate to strong southwest wind has redistributed the new snow forming wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"birl3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3j7k","text":"
Even brief periods of sunshine combined with warm temperatures will weaken the snow surface on most aspects and elevations but especially on sun-exposed slopes, creating wet avalanches.
The likelihood of natural cornice falls could increase with solar input and warming. Avoid traveling on slopes with cornices looming above.
Large cornices will continue to grow during the storm and have the potential to fail naturally.
Large overhanging cornices have been observed in the region. Limit your exposure to these hazards. A falling cornice could easily trigger a wind slab on the slope below.
If the sun comes out, the likelihood of naturally triggered wet loose avalanches will increase rapidly.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cs0a7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eme6h","text":"A moist or wet snow surface, pinwheeling and natural avalanches are all indicators of a weakening snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bca2c","text":"
Large cornices have become noticeably large and looming. Cornice falls have the potential to trigger avalanches on the slopes below.
New snow and wind will add additional load to the already large cornices and might lead to cornice failures. Minimize overhead hazard and give cornices a wide berth when travelling on ridgetops.
Cornices are large this time of year and may have been weakened by recent cold temperatures. Exposure to cornices should be minimized, especially during periods of warm temperatures or strong sun.
Sun and warm temperatures will weaken the snow surface on most aspects and elevations but especially on sun-exposed slopes, creating wet avalanches.
Sun and warm temperatures will weaken the snow surface on sun-exposed slopes, creating wet avalanches. Watch for wet and heavy snow and be aware of overhead exposure to big sunny slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kmkt","text":" ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d8ng8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b3789","text":"
Natural cornice falls remain likely due to elevated freezing levels.
Springtime cornices are large and capricious. Give them plenty of space traveling along ridges and avoid lingering below them.
Natural cornice falls will remain likely with elevated freezing levels.
Cornices have grown large during the recent storms and may remain weak from warm temperatures. Falling cornices are hazardous and may trigger slabs avalanches on the slopes below.
Springtime cornices are large and unpredictable. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
With up to 60 cm of dry snow from the last 3 days, low density cold snow may see the sun for the first time on Thursday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"61rtk","text":"Watch for rapidly changing conditions, avalanche hazard will increase as surface snow becomes moist or wet. Minimize your exposure to sun affected slopes even during brief periods of strong sunshine.
60-80 cm of recent storm snow sits above a crust at treeline and above. Large slab avalanches have failed on this crust in the past few days. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"crr47","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c13pu","text":"
60-80 cm of recent storm snow sits above a crust at treeline and above. Large slab avalanches have failed on this crust in the past few days. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f367u","text":"The warm-up a week ago produced some bigger avalanches that ran to the valley bottom. These failed on a December rain crust that exists a metre off the ground. An isolated avalanche event failed on this layer two days ago.
New snow and wind have added additional load to the already large cornices and might lead to cornice failures. Minimize overhead hazard and give cornices a wide berth when travelling on ridgetops.
With up to 40 cm of dry snow from the last 3 days, low density loose snow may see the sun for the first time on Thursday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4jrpg","text":"Watch for rapidly changing conditions, avalanche hazard will increase as surface snow becomes moist or wet.  Minimize your exposure to sun affected slopes even during brief periods of strong sunshine.
Although temperatures remain seasonally cool, the sun packs a lot of punch this time of year. Take care to avoid being on or underneath south facing slopes that are baking in the sun, especially after lunch.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bca2c","text":"
Although temperatures remain seasonally cool, the sun packs a lot of punch this time of year. Take care to avoid being on or underneath south facing slopes that are baking in the sun, especially after lunch.
Watch for wet surface snow on south facing slopes as the sun affects recent storm snow for the first time. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"36ftg","text":"Warming will be most significant on steep slopes, and around rock features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bulf2","text":"
Watch for wet surface snow on south facing slopes as the sun affects recent storm snow for the first time. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bjln3","text":"Warming will be most significant on steep slopes, and around rock features.
Sunny skies and warm air will increase the likelihood of wet loose avalanches once the snowpack moistens. Watch your overhead exposure to steep, south-facing terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ctgr","text":"
Small wind slabs may be still be reactive in steep or convex leeward features in exposed alpine terrain features. Wind direction has been variable across the region so wind slabs should be anticipated on all aspects in wind-exposed terrain.
Wind slabs could still be found in exposed treeline and alpine terrain.
A weak and reactive layer of facets and depth hoar exists at the base of the snowpack above 1900m. While this layer sits deep in the snowpack it has the potential of producing large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":6,"key":0},{"offset":40,"length":10,"key":1}],"data":{}},{"key":"80r15","text":"Avoid thin rocky start zones where this layer may sit closer to the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
A weak and reactive layer of facets and depth hoar exists at the base of the snowpack. Recent reactivity shows this layer to be a concern above 1900 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":6,"key":0},{"offset":40,"length":10,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
A widespread weak layer of facets and depth hoar exists at the base of the snowpack above 1900m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":27,"length":6,"key":0},{"offset":38,"length":10,"key":1}],"data":{}},{"key":"80r15","text":"Avoid thin and rocky start zones where this layer may sit closer to the surface, and big open slopes capable of producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
A weak and reactive layer of facets and depth hoar exists at the base of the snowpack above 1900m. While this layer sits deep in the snowpack it has the potential of producing large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":6,"key":0},{"offset":40,"length":10,"key":1}],"data":{}},{"key":"80r15","text":"Avoid thin and rocky start zones where this layer may sit closer to the surface, and big open slopes capable of producing large avalanches.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#f"}},"1":
Expect dry loose avalanches (sluffing) running far and fast in steep terrain.
Expect dry loose avalanches (sluffing) running far and fast in steep terrain. Treewells are a very real hazard right now.
The new snow will likely have a poor bond with the old snow surface. Expect dry loose avalanches (sluffing) running far and fast in steep terrain.
Expect to initiate sluffing in steep terrain. Cold temperatures and little wind will keep snow low density. Treewells could be a very real hazard right now.
A deeply buried weak layer of sugary facets over a crust produced large naturally triggered avalanches during the last storm with rising freezing levels. Small storm avalanches may step down to these deeper instabilities producing large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b1aoh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"253bq","text":"This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.
A deeply buried weak layer of sugary facets over a crust produced large naturally triggered avalanches during the last storm with rising freezing levels. Small storm avalanches may step down to these deeper instabilities producing large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b1aoh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"253bq","text":"This layer is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings.
A deep persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. This old and deeply buried weak layer is one of the most challenging problems to predict and for people to safely manage in the backcountry. Our best advice is to avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":242,"length":14,"style":"BOLD"}],"entityRanges":[{"offset":1,"length":21,"key":0}],"data":{}},{"key":"2p4bq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Solar input and rising freezing levels could trigger loose wet and wet slab avalanches.
Warming temperatures and rain at lower elevations have destabilized the upper snowpack and loose wet avalanches are still possible on steep terrain features. If sun feels strong in the afternoon, extra caution is necessary around steep south facing slopes.
The early December crust can be found 100-270 cm deep. A deep persistent slab problem could wake up with forecast warming, solar radiation, cornice fall, and step-downs from smaller avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":56,"length":21,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","m
p to 10 cm of new snow and strong wind has formed wind slabs that may be reactive to rider triggering. They could be poorly bonded to the underlying snow surfaces, like surface hoar and crusts. Be extra cautious in leeward terrain and convex rolls.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7b7u","text":"
The early December crust can be found 80-150 cm deep. A deep persistent slab problem could wake up with forecast warming, solar radiation, cornice fall, and step-downs from smaller avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":21,"key":0}],"data":{}},{"key":"ark21","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","m
Up to 20 cm of recent snow accompanied by strong winds and warmer temperatures formed reactive wind slabs. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"djahs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8t1do","text":"This problem may be trending to dormant, but sun and warm temperatures all the way into the alpine could keep it active. Old slabs may be more reactive where they sit on surface hoar or crusts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aei26","text":" ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4qqs4","text":"
p to 10 cm of recent snow and strong wind has formed wind slabs that may be reactive to rider triggering. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bc55f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3efbq","text":"Sun and warm temperatures all the way into the alpine could keep this problem active. Slabs may be more reactive where they sit on surface hoar or crusts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b4m8t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f253c","text":"Be extra cautious in leeward terrain and convex rolls.
A persistent slab problem formed by a crust down 120-200 cm has created a low likelihood, high consequence scenario that is difficult to forecast. The deeply buried weak layer has produced a number of large and surprising avalanches in the past two weeks. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7au1o","text":"This problem is most likely to be triggered from thin or variable depth snowpack areas such as wind affected features, ridge crests, and near rocky outcroppings. Large additional loads like small avalanches or cornice falls can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
A persistent slab problem formed by a crust down 80-150 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer since the past weekend. It is uncertain how the forecast warm temperatures will affect the snowpack and if we will see more activity on this layer during the warm period. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2d3av","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Large additional loads like small avalanches or cornice falls can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p4bq","text":"
A persistent slab problem formed by a crust down 100-270 cm has created a low likelihood, high consequence scenario that is difficult to forecast. There has been an increase of avalanche reports on this layer recently. It is uncertain how the forecast warm temperatures will affect the snowpack and if we will see more activity on this layer during the warm period. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"avfjf","text":"Avoid likely trigger spots such as steep, rocky slopes with a shallow or thin to thick snowpack. Large additional loads like small avalanches or cornice falls can trigger deeper weak layers. The same feature or path can slide repeatedly when the persistent weak layer is reloaded with new snow.
On top of all the other avalanche problems, sunny weather continues, and temperatures are forecasted to stay above 0 C at both low and high elevations through Sunday morning at least. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7akui","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dqfqo","text":"Avoid avalanche terrain and overhead hazard when it feels like the sun is packing a punch. Remember that even a small wet avalanche can be dense and may push you around more than expected.
Wet loose avalanches will become possible at all elevations with warming this weekend. Extra caution is necessary around steep south facing slopes when the sun is strong.
Wet loose avalanches will become possible at all elevations with warming this weekend. Extra caution will be required around steep south facing slopes when the sun is strong.
Wet loose avalanches are possible on steep south aspects with warm temperatures and sun. Use caution when the snow on these slopes is moist or wet.
Large cornices have been reactive to explosives in recent days. Strong solar radiation can cause cornices to fail naturally.
Natural cornice fall is possible with solar radiation. As natural avalanches taper off, cornices could still be sensitive to a human trigger. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bosh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52l1n","text":"Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"382gm","text":"
Natural cornice fall is possible with solar radiation. As natural avalanches taper off, cornices could still be sensitive to a human trigger. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"88pbp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1bqm2","text":"Cornice fall could be a hazard on its own and it could trigger a deeper slab avalanche from the slope below.
Warm temperatures and strong sun weaken cornices. Avoid slopes exposed to overhead cornice hazard.
The weekend warming has weakened cornices which are expected to remain weak on Monday.
Two buried weak layers remain a concern. The late-January crust/surface hoar is down 20-40 cm and the mid-January crust/facets is down 50-70 cm. Both layers woke up with the weekend warming and produced avalanches but the likelihood of avalanches is now expected to be decreasing with cooler temperatures.
Up to 15 cm new snow was redistributed by moderate southwest wind and formed fresh wind slabs. Previously, strong to extreme south and southwest wind have developed wind slabs in lee terrain features in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6r948","text":"Cornices might become weak with the warm temperatures. The additional load of a cornice failure can trigger a slab on the slope below.
Strong south and southwest wind have formed wind slabs in lee terrain features at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8tall","text":"Cornices might become weak with the warm temperatures. The additional load of a cornice failure can trigger a slab on the slope below.
Warm temperatures compounded by strong solar radiation may make cornices weak. Cornice failures put a large load on the snowpack, and have the potential to trigger buried weak layers, resulting in large destructive avalanches.
Recent strong winds from the SW through NW have formed wind slabs in exposed terrain at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37kmf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1rvki","text":"
Recent strong winds from the SW through NW have formed wind slabs in exposed terrain at higher elevations.
Loose wet avalanches should be expected on steep, sun exposed slopes during the heat of the afternoon.
Recent strong winds from the SW through NW have formed wind slabs in exposed terrain at higher elevations. These slabs are particularly reactive where they overlie buried surface hoar.
Read about the crust that never dies in our latest forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":51,"length":16,"key":0}],"data":{}},{"key":"eddk3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ti1h","text":"Found 100-180 cm below the surface with weak sugary crystals (facets) on top, this crust often wakes up as the weather changes, triggering large avalanches at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. With the added stress of this weekend's snow load, potential exists for storm slab avalanches to step down, resulting in very large and destructive avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":358,"length":9,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/the-crust-that-never-dies"}},"1":{"type":"LINK
Read about the crust that never dies in our latest forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":51,"length":16,"key":0}],"data":{}},{"key":"5fn3q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24a9u","text":"Found 100-180 cm below the surface with weak sugary crystals (facets) on top, this crust often wakes up as the weather changes, triggering large avalanches at all elevations including some unusual areas such as the middle of slide paths, open trees, and burns. With the added stress of this weekend's snow load, potential exists for storm slab avalanches to step down, resulting in very large and destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":358,"length":9,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/the-crust-that-never-dies"}},"1":{"type":"LINK
A concerning weak layer of faceted grains above a melt-freeze crust is around 70 to 150 cm deep. We had been receiving reports of large, destructive avalanches on this layer every few days. We've been reminded multiple times over the last month that this layer could remain a concern all winter. Thin rocky start zones are the most likely place to trigger this layer. Snow loading from new snow and/or wind, daytime warming, cornice falls, and step-downs from smaller avalanches could increase the chance of an avalanche on this layer. Learn more about this crust and how to deal with it in this forecasters' blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":596,"length":17,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LIN
vernight Wednesday to Thursday, 10 to 20 cm of new snow is forecast with the higher amounts in the southwest of the region. Expect to find wind slabs in lee terrain features at higher elevations from strong to extreme southwest wind. Storm slabs may be found in sheltered terrain.
An ageing wind slab problem exists on north and east aspects at treeline and above. The reactivity of some older slabs could be extended where they overlie a persistent weak layer. Warming may increase the likelihood of triggering slabs in the afternoon.
Loose wet avalanches should be expected from steep, sun-exposed slopes during extended periods of sun exposure.
Strong south and southwest wind have formed wind slabs in lee terrain features at higher elevations. Wind slabs are especially reactive where they overlie a buried weak layer with surface hoar crystals. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ecl7a","text":"Cornices might become weak with the warm temperatures. The additional load of a cornice failure can trigger slabs on the slope below.
Up to 15 cm new snow will be redistributed by moderate southwest wind and form fresh wind slabs. Previously, strong to extreme south and southwest wind have developed wind slabs in lee terrain features in the alpine and at treeline. Wind slabs might be especially reactive where they overlie a buried weak layer with surface hoar crystals.
Moderate southwest wind will redistribute 10 to 20 cm new snow on Wednesday and form fresh wind slabs. Previously, strong southwest wind has formed wind slabs in lee terrain features at higher elevations. Wind slabs are especially touchy where they overlie a buried weak layer with surface hoar crystals. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aub76","text":"The rapid warming can lead to cornice failures, which might trigger buried weak layers on the slopes below.
Rider triggerable wind slabs will likely exist on east and north aspects at and above treeline. Recent strong winds may have focused slab formation at lower elevations than is typical. Warming will increase the likelihood of triggering slabs in the short term.
Rider triggerable wind slabs may be found on north and east aspects at treeline and above. Recent extreme winds may have focused slab formation at lower elevations than is typical. Warming will increase the likelihood of triggering slabs in the short term.
Strong southwest wind has formed wind slabs in lee terrain features at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eem3l","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2im2n","text":"These wind slabs may remain the main avalanche problem in the east side of the region, where less new snow and rain are expected, and freezing levels may stay below treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq8f9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eu3q2","text":"These slabs may be touchiest if they are sitting on a weak layer of surface hoar or faceted snow.
Moderate to strong southwest and west wind redistributed 15 to 30 cm new snow and formed fresh wind slabs at higher elevations in lee terrain features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aub76","text":"Cornices might become weak with the warm temperatures. The additional load of a cornice failure can trigger slabs on the slope below.
Loose avalanches should be expected on steep sun exposed slopes during the heat of the afternoon.
A weak layer formed in late January may be found 50 to 120 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9125b","text":"Reactivity has begun to taper, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3pt4j","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities.Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
A weak layer of facets above a hard melt-freeze crust may be found around 50-80 cm deep. Last week this layer produced large avalanches. The problem was most prevalent on north to northeast aspects between 1600 and 2100 m.
A weak layer formed in late January may be found 50 to 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d8121","text":"Reactivity on this layer has tapered, but a significant amount of new load may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9503f","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
A weak layer formed in late January may be found 50 to 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d8121","text":"Reactivity on this layer has tapered, but the significant amount of new load over the weekend may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9503f","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
A weak layer formed in late January may be found 50 to 150 cm deep in the snowpack. This layer consists of faceted snow, a sun crust on steep solar aspect, and most notably large surface hoar crystals in sheltered terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p1oe","text":"Reactivity on this layer has tapered, but the significant amount of new load over the weekend may cause this layer to 'wake up'.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"q96","text":"The most reactivity on this layer has been seen between 1600-2200 m in open areas in the trees, in cut blocks, and on steep convexities. Terrain features to be suspect of include the lee side of ridges, openings in trees, cut blocks, and burns, especially on northerly aspects where the layer may not be capped by a firm crust.
It's been warm and wet loose avalanches have been reported. Expect this problem to continue with warm temperatures through the weekend and manage overhead hazard accordingly.
A layer with weak, feathery surface hoar crystals is buried 25-50 cm deep at sheltered treeline features and in the lower alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fuqdp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4505g","text":"A thick crust is buried 60-100 cm deep. Avalanches on this layer will likely reach large sizes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i1uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edh43","text":"A few, skier triggered avalanches and isolated natural activity up to size 2 were reported on both layers in the last few days.
Two buried persistent weak layers could be potential problems under the recent load of new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"A weak layer from mid-February is likely down over 60 cm and may become more reactive as the overlying snow forms a thicker and more cohesive slab. Two weak layers of surface hoar from January are likely down around a meter and were primarily a concern in the east of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4cgef","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Storm slab and loose wet avalanches have the potential to step down to these deeper layers.
A warming trend may trigger wet loose avalanches out of steep terrain, particularly if the sun pokes through the clouds. Watch your overhead exposure.
Cornices were reported to have grown large during the recent storm. They could still pose a threat from above or below, and are expected to become weak when the sun is at its strongest.
A warming trend may trigger wet loose avalanches out of steep terrain. Activity is most likely when dry snow is being wetted by rain or if the sun pokes through the clouds.
Persistent weak layers could be potential problems under the recent load of new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"Weak layers from February (mostly crusts and surface hoar) are likely down around 60 cm and may become more reactive as the overlying snow has formed a thicker and more cohesive slab. Two weak layers of surface hoar from January are likely down around a meter and were primarily a concern in the east of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4cgef","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Storm slab and loose wet avalanches have the potential to step down to these deeper layers.
Wind slabs could still be found in high alpine terrain.
A layer with weak, feathery surface hoar crystals is buried 30-50 cm deep at sheltered treeline features and in the lower alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fuqdp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4505g","text":"A thick crust is buried 60-100 cm deep. Avalanches on this layer will likely reach large sizes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6i1uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"edh43","text":"A few, skier triggered avalanches and isolated natural activity up to size 2 were reported on both layers in the last few days.
Loose wet avalanches should be expected from steep, sun-exposed slopes during the heat of the afternoon if the sun is out for extended periods.
ith the fast change in temperature, and the possibility of new snow and wind, give cornices one more day of extra caution before returning to normal caution.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52hgc","text":"Good travel habits around cornices include:","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dj1ev","text":"stay far back from the edge when you are travelling on a corniced ridgetop","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"299et","text":"Avoid travelling under cornices, or put as much distance and terrain as you can between you and the cornice if travelling under them is unavoidable.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cfe0e","text":"Travel one at a time under a suspect slope, with eyes on the person crossing. ","type":"u
If the sun comes out on Sunday, daytime warming compounded by strong solar radiation may cause the surface snow on sun-affected slopes to loose cohesion rapidly and form wet loose avalanches out of steep terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1f89d","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8g5r","text":"If triggered, wet loose avalanches have the potential to step down to deeper weak layers creating large avalanches.
Fragile new cornices have been reported recently. Ongoing cornice development is expected on Thursday with new snow and moderate wind in the forecast, and natural cornice failures are possible.
Cornices can be unpredictable so whether you are travelling above or below them, they should be given ample distance and treated with respect.
Two buried persistent weak layers could be potential problems as the new snow accumulates.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5i35m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3md8d","text":"A weak layer from mid-February is likely down over 60 cm and may become more reactive as the overlying snow forms a thicker and more cohesive slab. Two weak layers of surface hoar from January are likely down over a meter and were primarily a concern in the east of the region on northerly aspects around treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4cgef","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3nb97","text":"Storm slab and loose wet avalanches have the potential to step down to these deeper layers.
Wind slabs may be found above the rain-snow line. Use caution in steep, lee terrain features.
The warm spring sun may easily trigger loose wet avalanches at all elevations, especially on south facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fb01i","text":"
The warm spring sun may easily trigger loose wet avalanches at all elevations, especially on south facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6mdhl","text":"
The warm spring sun may easily trigger loose wet avalanches at all elevations, especially on south facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dhkp2","text":"
Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3on4i","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ck9s","text":"Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
If the sun comes out on Tuesday, warm temperatures compounded by strong solar radiation may cause rapid destabilization in the upper snowpack, creating wet loose avalanches out of steep terrain.
Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bniif","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d97kk","text":"Give them a wide berth when travelling on ridge-lines and minimize overhead exposure to large cornices.
Westerly winds are expected to continue redistributing available snow into wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6p540","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"30cqk","text":"Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
Westerly winds are expected to continue redistributing available snow into wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cinjp","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91lkh","text":"Cornices have grown significantly in the past two weeks. Warm temperatures may make cause cornices to become weak. Cornice failures are dangerous on their own, but also have the potential to trigger larger avalanches on the slopes below.
If the sun comes out on Tuesday, warm temperatures compounded by strong solar radiation may weaken the upper snowpack, creating wet loose avalanches out of steep terrain.
If the sun comes out on Sunday, daytime warming compounded by strong solar radiation may cause the surface snow on sun-affected slopes to loose cohesion rapidly and form wet loose avalanches out of steep terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dp3n7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d59h1","text":"If triggered, wet loose avalanches have the potential to step down to deeper weak layers creating large avalanches.
A problematic layer of surface hoar buried in early March is now 70-120 cm deep. Heavy snow loads and storm slab avalanches are likely to trigger this layer, resulting in very large and destructive avalanches. If we're lucky, a widespread avalanche cycle on this layer will clean out the problem altogether.
Wind slabs may be found near the mountain tops above the rain-snow line. Use caution in steep, lee terrain features.
Thin wind slabs may begin to form in high elevation terrain Saturday afternoon, especially if we get more than 10 cm of new snow.
Westerly winds have redistributed available snow into wind slabs in lee features in the alpine and around treeline. Use caution around ridgecrests, especially where you aren't feeling a surface crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":134,"length":12,"key":0}],"data":{}}],"entityMap":{"0
Freezing levels are falling overnight, but the surface snow may not solidly refreeze at lower elevations. Paying close attention to how thick and supportive the surface crust is throughout the day will help you avoid any lingering wet loose avalanche problems below treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c3hcd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bblkt","text":"Also be cautious on and under alpine avalanche terrain when the sun is cooking it.
Wet loose avalanches may be triggered out of steep terrain during periods of strong sun, particularly in the afternoon during the heat of the day.
Wet loose activity will increase as the day heats up, particularly on sun-exposed slopes under clear sky conditions.
Wet loose avalanches may be triggered during daytime warming, particularly on steep slopes when the sun is packing a punch.
Large cornices will continue to grow during the storm and may become weak on Sunday afternoon if the sun is out for extended periods.
Limit exposure to cornices. Cornice falls can trigger large avalanches on the slopes below.
Wind slabs can still be found in alpine terrain.
This layer is getting harder for riders to trigger, but it is possible that it could still produce large, surprising avalanches. Triggering may be more likely when temperatures are above zero, or when they rapidly change in either direction. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a3ua0","text":"This layer is a concern where there is a poor bond to underlying surface hoar crystals. This problem seems most pronounced in the Selkirks around Nelson and Kootenay Pass.","type":"unstyled","depth":0,"inlineSty
Westerly winds have redistributed up to 10 cm of recent snow into small wind slabs on lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4fvh0","text":"Use extra caution near ridgetops, especially when the slope underneath is steep and/or hard. Even a small avalanche can knock you off balance, so consider the consequences of a fast slide down a hard slope.
Small loose wet avalanches are expected from steep sun-exposed terrain features during the heat of the day.
Wind slabs exist in exposed treeline and alpine terrain. Size and sensitivity to triggering could be greater where wind slab has formed over a crust. Strong winds mean that wind slabs could be found further down slope than expected.
ornices may become weak with rain and rising temperatures. Cornice falls are hazardous on their own, and have the potential to trigger large avalanches on the slope below.
Wind slabs may be found in steep, lee terrain features in the alpine and exposed treeline. These wind slabs will be most reactive where they overlie a slick crust.
f the sun comes out on Thursday, wet loose activity can be expected on steep solar aspects at all elevations. Watch for wet and heavy snow conditions.
Wind slabs can still be found in exposed treeline and alpine terrain. Sensitivity to triggering wind slabs could be greater where wind slab has formed over a crust.
Springtime cornices are large and unpredictable. Warming can pack a punch and lead to cornice failures. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
Watch for thin winds labs in high elevation terrain, especially south facing features where slabs may be resting on a slick crust.
Springtime cornices are large and unpredictable. The sunshine can pack a punch and lead to cornice failures. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
Springtime cornices are large and unpredictable. The sunshine and warming can pack a punch and lead to cornice failures. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
Wind slabs will likely be found on exposed terrain at treeline and alpine. Previous strong wind means that wind slabs may be found further down slope than expected. Wind slabs may be sensitive to rider traffic due to the underlying crust.
Cornices have grown large during the recent storm and are expected to become weak during Thursday's warming, especially with extended exposure to the sun. Falling cornices are a likely trigger for slab avalanches on the slopes below.
Wind slabs exist in exposed treeline and alpine terrain. Size and sensitivity to triggering could be greater where wind slabs have formed over a crust.
Wind slabs exist in exposed alpine terrain. Size and sensitivity to triggering could be greater where wind slabs have formed over a crust.
Springtime cornices are large and unpredictable. The warming can pack a punch and lead to cornice failures. Give them a wide berth when travelling at ridge crest and avoid overhead exposure.
20 cm of  heavy storm snow has buried a layer of surface hoar, and on southerly aspects a sun crust. With forecast snow and wind over the weekend, this layer will become a concern. It will be easy to trigger and as the slab develops it may propagate.
The Nov 6 crust complex has yet to wake up. While the likelihood of triggering is low, it will produce large avalanches. As the load on this layer increases, it may become reactive. Smaller avalanches may step down to this deeper layer.
Shifty winds Sat. created thin wind slabs near ridge crests.  These will increase in size and sensitivity with continued wind transport.
The Nov 6 rain crust is down 50-90 cm, and this is still a significant layer in the snowpack. Evaluate this layer carefully prior to entering steeper/bigger terrain.  Weakening of this layer through facetting has been the general trend.
A natural avalanche was &quot;heard&quot;  originating on steep unskiable terrain on a predominantly Northeasterly aspect in Hilda creek area. Pay particular attention to steep unsupported wind loaded slopes in the alpine.
A persistent facetted weakness can be found around a mid-pack crust. There is low likelihood of natural avalanches occurring on this layer but we are watching as each small system deposits more snow load.
We've received 40cm of snow in the past 3 days. This soft slab will be most reactive where it buried surface hoar or sun-crust.  We expect more snow and strong winds today, which may overload these layers resulting in natural avalanches.
Winds picked up yesterday, and there is lots of new snow available for transport. S-SW winds loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
Approx. 5cm of new snow and light West wind will create soft wind slabs in alpine terrain.
While it is unlikely, triggering this layer is still possible. It is located 50-90cm below the surface. Use caution and consider this layer when venturing into larger terrain.
A size 2 avalanche was observed on the Parker ridge slidepaths. Pay particular attention to steep unsupported wind loaded slopes in the alpine.
A persistent facetted weakness can be found around a mid-pack crust.  An isolated size 3 avalanche on a steep Northerly large open slope in the Hilda Creek area likely ran on this layer.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
We've received 60cm of snow in the past 4 days. This soft slab will be most reactive where it buried surface hoar or sun-crust. We expect more snow and strong winds today, which may overload these layers resulting in natural avalanches.
A persistent facetted weakness can be found around a mid-pack crust.? An isolated size 3 avalanche on a steep Northerly large open slope in the Hilda Creek area likely ran on this layer.
Moderate SW winds and lots of snow available for transport has created touchy wind slabs in the alpine. Forecasted strong winds for Tuesday will exasperate the slab development and increase the avalanche hazard.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
We've received 70cm of snow in the past 4 days. This soft slab will be most reactive where it buried surface hoar or sun-crust. We expect more snow and strong winds today, which may overload these layers resulting in natural avalanches.
Slabs developing in open lee areas with W and SW winds. Below 1950m these will be sitting on a crust. Above 1950m there is a chance that surface hoar exists in protected areas. There is a large amount of snow now available for transport.
Buried crust layers exist at all elevations. At 2000m these are limited to basal layers which are starting to show signs of growing weak crystals. Thin areas will be of concern where cool temperatures can penetrate and triggering is more likely.
Steady moderate Southwest winds are loading Northeast aspect ridgetops and lee terrain features. Triggering a windslab may provide the energy for an avalanche to step down to the persistent weakness described below.
A persistent facetted weakness can be found around a mid-pack crust. Saturday, an isolated size 3 slab avalanche on a steep Northerly slope in the Hilda Creek area likely ran on this layer.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
We've received 90cm of snow on top of this layer at treeline which has settled into about 65cm of storm slab which will be most reactive where it buried surface hoar or sun-crust.
The past 2 days, strong SW winds have hammered the region leaving widespread reactive hard and soft slabs in the alpine &amp; treeline.
Despite the new load from wind and snow, no new avalanches have been reported on this layer. Consider this layer and recent additional load in your terrain choices.
Gusting Southwest winds are moving 20cm of  storm snow onto Northeast aspect ridgetops and lee terrain features. Triggering a windslab may provide the energy for an avalanche to step down to the persistent weakness described below.
A persistent facetted weakness can be found around a mid-pack crust. Saturday, an isolated size 3 slab avalanche on a steep Northerly slope in the Hilda Creek area likely ran on this layer. No other avalanches have been observed on this layer.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, cornice development, and soft windslabs on lee slopes.
We've received 100cm of snow on top of this layer at treeline which has settled into about 65cm of storm slab which will be most reactive where it buried surface hoar or sun-crust.
Natural activity has tapered off, but expect to find windslabs in steep, exposed terrain which climbers and skiers should avoid.
Less activity on the widespread Nov.6 crust of late, but explosives produced an avalanche today which failed on this layer above the Sunshine Road. This shows that larger loads are likely required, but if triggered, will cause bigger avalanches.
Variable and localized winds will continue to transport storm snow onto lee aspects particularly at ridgetops. Triggering a windslab is possible in immediate lee alpine features.
A persistent facetted weakness can be found around a mid-pack crust. Saturday, an isolated size 3 slab avalanche on a steep Northerly slope in the Hilda Creek area likely ran on this layer. No other avalanches have been observed recently.
Recent storms have left a lot of snow available for transport. Watch for slabs in loaded areas especially gullies and ridge lines. Cornices are also growing with these conditions and should be considered as possible triggers.
Be aware of a potential weak interface found at the base of the snowpack above 1900m in as this early Nov crust breaks down.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your pole to feel for these as transitioning into open terrain.
A weak layer down around 65 cm is starting to react less in stability tests. Rider-triggering is still possible.  Use caution on steep slopes facing SW-W in the alpine where a buried thin sun crust identifies the weak layer.
Soft to hard wind slabs can be found on lee and cross loaded slopes at and above treeline. Triggering is still possible on the right slope.
Isolated deep slabs have been noted every few days over the last month. Some of these have been explosive triggered and some natural, all failing near the ground on Nov 6 rain crust or glacial ice. There is still a concern for human triggering.
Variable and winds created this slab condition on lee aspects particularly at ridge tops.
A persistent facetted weakness can be found around a mid-pack crust.
This layer seems to be developing in relatively shallow snowpack areas do to a classic Rockies temperature gradient process.&nbsp;
In the past 3 days 40 cm of loose dry snow has fallen.  Expect this snow to move when traveling on steep slopes.  Be aware of other parties above and below you and manage your travel accordingly.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your ski pole to feel for these when transitioning into open terrain.
A weak layer down around 65 cm is starting to react less in stability tests.  Rider-triggering is still possible.  Use caution on steep slopes facing SW-W in the alpine where a buried thin sun crust identifies the weak layer.
Variable localized winds are creating this slab condition on lee aspects particularly at ridge tops and specific features such as cross loading gullies. Watch for reverse loading patterns and increase in activity as winds expected to increase Sunday.
This layer seems to be developing mainly in shallow snowpack areas due to the classic Rockies temperature gradient process. 
Recent storm snow is settling yet the potential for sluffing to catch a skier off guard remains our main concern. Caution skiing over terrain traps like cliffs and gullies in steep terrain where the consequences of a small stuff are magnified.
Winds associated with the incoming front are forecast to be NW&nbsp; 50 to 80km/hr at mountain top levels today which reverses typical loading patterns. Buried windslab from previous storms still linger.
Increasing winds are creating windslabs on mainly, but not exclusively, lee aspects particularly at high elevation ridge tops and specific features such as alpine gullies. Watch for reverse loading patterns and increasing natural activity.
This layer continues to develop in shallow snowpack areas which would be your likely trigger spots. Has potential to scrub to ground if initiated. 
Strong winds on Sunday have created soft and hard slabs in lee areas in the alpine.
The Nov 6th crust should still be in the back of your mind. Recent avalanches on this layer combined with uncertain means of triggering make venturing out onto big open slopes a committing choice.
Overnight winds picked up to ideal transport values to form wind slab.  Wind direction has varied from S-SW at treeline to W-NW it mountain top. Lee slopes lower down may not be the same up high.
With an additional 10-15cm of very light snow, sluffing is a concern where the wind has had no effect. Caution skiing in steep terrain and over terrain traps where sluffs will gain mass into avalanches.
Strong wind from the NW have created wind slabs in the alpine. These wind slabs vary in thickness between 15 and 30cm.
;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_E6FD2046">The Nov 6th crust should still be in the back of your mind. Recent avalanches on this layer combined with uncertain means of triggering make venturing out onto big open slopes a committing choice.
Sunday's winds created a stiff wind slabs on lee aspects particularly at high elevation ridge tops and specific features such as alpine gullies. Watch for reverse loading patterns and increasing natural activity.
This layer continues to develop in shallow snowpack areas which would be your likely trigger spots. Has potential to step down to ground if initiated.
There is certainly potential for skier triggered wind slab avalanches at treeline and in the alpine.  Watch for steep wind loaded terrain or thin areas which may be weaker than the surrounding snowpack.
Sustained overnight winds with an additional load have made conditions more susceptible to windslab. This adds to the heavy snow load we have received in the past week.
There has been 72cm of new snow over the last 5 days at treeline. Last nights storm sits over 30 cm very light snow. Conditions are likely to be &quot;heavy over light&quot; increasing the likelihood of skier triggering.
Strong winds from the NW have created wind slabs in the alpine. These wind slabs vary in thickness between 15 and 30cm. With the continued mild temperatures, they have been bonding reasonably well and are more stubborn to trigger.
">The Nov 6th crust should still be in the back of your mind. Recent avalanches on this layer combined with uncertain means of triggering make venturing out onto big open slopes a committing choice.
Wind slab is present on all open lee slopes from the alpine into tree line elevations. Several natural slab avalanches have been observed on this layer today.  Watch for reverse loading patterns and increasing natural activity.
Slab avalanches and large cornice failures have triggered this weakness on E to W aspects in the alpine.  Shallow snowpack areas  and along the edges of snow pockets will be likely trigger spots.
Near ridge line, steady moderate to strong winds have created pockets of wind slab, which may be easily triggered by skiers.  Cross loaded features and gullies should also be treated with caution.
There has been 75cm of new snow over the last 6 days at treeline.  Conditions are likely to be &quot;heavy over light&quot; increasing the likelihood of skier triggering.
The wind slabs from earlier this week seem to be isolated to ridge lee features and high, open alpine terrain. A field team ventured into Yoho today and found soft slabs only at ridge-top. Likely there was more wind on the Wapta.
">Large planar faces or steeper, convex features that have been recently wind-loaded should still be given a miss due to this lingering problem.
Wind slab is present on all open lee slopes from the alpine into tree line elevations. Several natural slab avalanches have been observed on this layer.
Slab avalanches and large cornice failures have triggered this weakness on SE to NE aspects in the alpine.? Shallow snowpack areas? and along the edges of snow pockets will be likely trigger spots.
Near ridge line, pockets of wind slab persist, and may be triggered by riders. Cross loaded features and gullies should also be treated with caution.
The wind slabs from earlier this week seem to be isolated to ridge lee features and high, open alpine terrain. In the Yoho area soft slabs were only found at ridge-top. Likely there was more wind on the Wapta &amp; along Hwy 93 North.
Pockets of wind slabs that vary in hardness are present on all open lee slopes.  No new avalanches have been observed and field tests show that these slabs have bonded well in most locations.
Large loads such as slab avalanches and large cornice failures have triggered this weakness on SE to NE aspects in the alpine.
New snow and moderate SW winds are creating thin and spotty surface slabs. These now hide buried windslabs that are quite developed from strong winds in the last few days. Use your poles to help detect these hidden slabs.
Near ridge line, pockets of wind slab persist, and may be hidden by a covering of storm snow. These slabs can be triggered by riders. Cross loaded features and gullies should also be treated with caution.
Pockets of wind slabs that vary in hardness are present on all open lee slopes. No new avalanches have been observed and field tests show that these slabs have bonded well in most locations.
Large triggers such as cornice failures have triggered this weakness on SE to NE aspects in the alpine.
The wind slabs from earlier this week seem to be isolated to ridge lee features and high, open alpine terrain. There has not been much activity in these slabs, except for isolated wind events at ridge-top.
">The Nov 6 rain crust has yet to wake up. If the load on this layer increases, it may become reactive, producing large avalanches. Smaller avalanches may step down to this deeper layer.
Isolated pockets of windslab have been buried in the immediate lees of ridgecrests; likely in places where even a small avalanche would have high consequences. Winds will increase through the day and over the weekend and may form new windslabs.
While the thick crust at the base of the snowpack has yet to be reactive, if it does produce an avalanche it will be very large. Cornice falls or other avalanches stepping down to this layer, or triggering from thin areas are possible.
A trip report from Surprise pass (N/NE aspect) found pencil hard, thin windslabs in wind exposed terrain. These have also been found near ridge top but have been stubborn to unreactive in field tests.
">We are seeing weakening of the Nov 6 crust in thinner areas due to facetting.  Although we haven't seen activity on this layer recently, it is still a prominent feature of the snow pack, and should be evaluated in bigger features.
Cornice failures have triggered this weakness on SE to NE aspects in the alpine.
Isolated windslabs and windloaded pockets have been buried in the immediate lees of ridgecrests. They are more likely in places where even a small avalanche would have high consequences; steep, complex terrain.
Pockets of wind slabs that vary in hardness are present on all open lee slopes. No new avalanches have been observed  in the last week, and field tests show that these slabs have bonded well in most locations.
The November raincrusts are deteriorating into a facet layer that is not responding to field tests at this time. 
There are some freshly formed windslabs on lee terrain at and above treeline that are sensitive to skier triggering. In the right terrain these could take the skier into a terrain trap.
">We are seeing weakening of the Nov 6 crust in thinner areas due to facetting.? Although we haven't seen activity on this layer recently, it is still a prominent feature of the snow pack, and should be evaluated in bigger features.
Moderate W winds and new snow are developing 10-30cm thick soft slabs over previously widespread hard slabs. Step out of the track and get a feel for the density of the snow you are traveling in.  Use your poles to feel for buried slabs.
Yesterday, avalanche technicians found thin, touchy windslabs above 2300m that were easily triggerable on convex, unsupported features. They are of most concern where even a small avalanche would have high consequences; steep, complex terrain.
A breakable 10cm + wind slab on an exposed ridge feature did not propagate and expand to an avalanche indicating that more recent wind slabs are still bonding well to the older snow surface.
The November rain crusts are deteriorating into a facet layer that is not responding to field tests at this time.
There are some old windslabs on lee terrain at and above treeline that are sensitive to skier triggering. In the right terrain these could take the skier into a terrain trap.
">We are seeing weakening of the Nov 6 crust in thinner areas due to facetting. Although we haven't seen activity on this layer recently, it is still the prominent feature in this years snow pack, and should be evaluated in bigger features.
Strong winds overnight and lots of storm snow have created touchy windslabs above 2300m that are easily triggerable on convex, unsupported features. Look for soft slabs at treeline and above, near ridgelines.
New snow is hiding old windslabs in lee terrain at and above treeline that may be sensitive to skier triggering. In the right terrain these could take the skier into a terrain trap.
Moderate test results at treeline in the Portal creek area occurred on a Southeast facing 35 degree slope below a 25cm wind slab.
The November rain crusts are deteriorating into a facet layer that is not responding to field tests at this time. A consolidated midpack is providing bridging strength over this layer and the basal facets.
Strong winds early this week, combined with 40cm of storm snow have created touchy windslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft slabs at or near ridgelines.
Moderate test results at treeline in the Portal creek area occurred on a Southeast facing 35 degree slope below a 25cm wind slab. Strong SW winds in the Icefields area at upper elevations are likely adding to this condition.
A supportive mid-pack is adding strength to the snowpack above this weakness. Shallow areas should be considered suspect.
5-15 cms of new snow along with mod. S/SW winds is creating thin slabs in immediate lees at ridgetop elevations. In most areas, these slabs aren't thick enough to be a concern yet; however, forecasted mod. winds on thursday might elevate the hazard.
Strong winds early this week, combined with 40cm of storm snow have created touchy softslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft wind slabs at or near ridgelines.
10-20 cms of new snow along with mod. S/SW winds is creating slabs up to 40 cms thick  in immediate lees at ridgetop elevations. This new instability has been reactive to skier traffic with ski cutting to size 1.5.
Previous moderate to strong SW winds in the Icefields area at upper elevations have added to this condition.
Wind slabs forming near ridge crests and open areas due to strong SW winds over the last couple of days.&nbsp; Use your poles and skis to probe/feel for wind slabs.&nbsp;
Spikes in wind speeds in the last 24hrs have created fresh windslabs. Hard slabs exist right at ridgecrests, with soft slabs in the lees. Where they exist, these slabs may be triggered by skiers or riders.
It's looking sunny out there this morning. Expect small, loose avalanches from steep solar aspects today.
Wind slabs 20-50cm thick in wind exposed areas from recent SW winds. These seem to be isolated to the lees of terrain features and ridge crests.  Reports are finding these wind slabs to be sitting on a thin layer of facets formed in early Dec.
10 cm of new snow has buried the wind slabs that formed earlier this week from moderate to strong SW winds in the Icefields area.
The strong mid-pack above this weakness is slowly loosing its strength. This issue is more prevalent in shallow snow pack areas.
Hard slabs exist right at ridgecrests, with soft slabs in the lees of ridges and ribs of terrain above treeline. These slabs are now shallowly buried and are most likely to be triggered on convex, unsupported terrain features.&nbsp;
Thursday's 10 cm of snow has buried the wind slabs which formed earlier this week. Winds have shifted from S to N. Watch for reverse loading patterns.
The strong mid-pack above this weakness is slowly loosing its strength. This issue is more prevalent in shallow snow pack areas being likely trigger spots.
Wind slabs 20-50cm thick in wind exposed areas from recent SW winds. These seem to be isolated to lees of terrain features and ridge crests.  Reports are finding these wind slabs to be sitting on a thin layer of facets formed in early Dec.
The storm snow is forming very soft slabs on lee and crossloaded features. These were easily triggered yesterday on steep slopes, and are now 10cm deeper with overnight snow. These slabs may be more reactive due to a period of strong wind overnight.
Thursday's 10 cm and Sunday's 8cm of snow with little wind has buried the preexisting wind slabs. Winds have shifted from S to N yet remain in light range. Watch for reverse loading patterns from local terrain influences.
The strong mid-pack above this weakness is slowly loosing its strength. Shallow snow pack areas are potential trigger spots. Consequences would be severe if initiated.
Caution in steep terrain for failures within the recent storm snow.  The storm snow should start to settle out and bond over the next few days.
Caution for new wind loading near ridge crests and for buried windslabs formed just prior to the storm.
New snow from last night (10-20cm) came with very little wind. Therefore, wind slabs formed in the last few days have now been buried. These wind slabs ranged between 20 and 50cm thick and are located in isolated lee areas.
Instabilities may linger down 30 to 40cm in the snowpack that were reactive to skier triggering. They are located near ridge tops and on cross loaded terrain features.
Light winds are creating soft slabs near ridge crests which should be considered if entering steep terrain.&nbsp; Also be aware of previous wind slabs now covered with the recent storm snow.
The new snow is bonding well but will settle slowly with the cooler temperatures.&nbsp; Watch for sluffing and soft slabs in steep terrain.
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.  A 10cm wind skin overlies a 35 cm thick wind slab.  Cross loaded and windward areas should be treated with caution.
A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Generally very little wind effect in the storm snow, but variable ridge top winds have created some wind slabs at upper elevations.
Thursday's 10 cm and Sunday's 8cm of snow with little wind has covered the widespread wind slab condition that remains following last week's wind event. Current winds remain light and little change is expected in the snowpack.
The once strong snowpack is starting to show signs of losing strength as faceting conditions dominate the weather picture.  Triggering avalanches is most likely to happen in thin snowpack areas. 
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.? A 10cm wind skin overlies a 35 cm thick wind slab.? Cross loaded and windward areas should be treated with caution.  Watch for reverse loading.
Some sluffing in steep terrain could knock a skier over.?  Ski tracks down Cheops West produced some sluffing in gullies, but stopped near the top of the track.
A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Variable ridge top winds have created some wind slabs at upper elevations.
Small natural slab avalanches to size 1.5 are starting to pull out to ground on the basal facets in thin snowpack areas.&nbsp; Faceting continues to weaken the snowpack on thicker slopes. Triggering is most likely to happen in thin snowpack areas.
The wind slab condition that formed following last week's wind event has been buried by recent snows. These wind slabs are most likely found immediate to ridge lines on open slopes.
Isolated pockets of wind slab can still be found in specific locations near ridge crests and gully features.
Surface sluffing remains likely in steep terrain.  Volumes may be greater today, due to a skiff of new snow over a layer of surface hoar, most notable at treeline.
A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Variable  winds have created some wind slabs within the storm snow at ridge top elevations.
Moderate to strong westerly winds continue to build wind slab conditions on slopes and along ridge lines.  No avalanche activity was observed on this developing condition, however, we have not tested the bonding strength.
On Wednesday, small natural slab avalanches to size 1.5 were observed on the basal facets in thin snowpack areas.  Triggering is most likely to happen along edges of shallow pockets and from thin spots like rocks or trees.
Wind slabs forming with increasing NW winds and lots of recent storm snow available for transport.&nbsp; The hazard will slowly increase over the next several days.
You will likely trigger fast moving sluffs in steep terrain today. Even small sluffs can turn into a greater hazard in steep terrain, especially to parties below you.
A storm on December 23 dropped between 15 to 30 cm of low density snow over the forecast region. Variable? winds have created some wind slabs within the storm snow at ridge top elevations.
Moderate to strong westerly winds have created wind slab conditions on slopes and along ridge lines especially in the Icefields area. No avalanche activity has been observed on this condition, however, we have not tested the bonding strength.
On Wednesday, small natural slab avalanches to size 1.5 were observed on the basal facets in thin snowpack areas. Triggering is most likely to happen along edges of shallow pockets and from thin spots like rocks or trees.
Sluffs and loose avalanches will be easily triggered in sufficiently steep terrain today, be careful exposing yourself over terrain traps like cliffs or gullies.
Reports are showing windslabs created in the last week are stubborn to unreactive on lee ridgetop features. Most likely triggerable in aggressive, steep, lee terrain near ridgetops.
Sluffs and loose avalanches are still the main concern today in sufficiently steep terrain. They can be skier triggered or triggered naturally from solar radiation. Caution below rocky outcroppings on south and west aspects.
Wind slabs can be found above treeline in exposed terrain. These slabs are generally unreactive to skier traffic, although it is still possible to trigger a slab in steep wind loaded features.
Numerous natural loose dry avalanches were observed in the Columbia Icefield Area today. These slides originated from steep, rocky terrain in the alpine, as well as steep alpine gully features that are in the sun during the heat of the day.
This problem exists mainly in thin snowpack areas E of the divide where the snowpack has completely facetted and lost all cohesion. Watch for sloughing in steep terrain where the snow is unsupportive.
The cold temperatures are facetting out cornices and large cornice failures have been observed. Although the cornice failures have not been triggering slabs on the slopes below, the cornice chunks themselves would definitely hurt if they hit you
The loose upper snow sluffs easily on steep slopes. So far, these have produced small (size 1) skier and naturally triggered loose avalanches. On large steep slopes, these may gain mass and become larger.
Numerous natural loose dry avalanches were observed in the past 48 hours. These slides originated from steep, rocky terrain in the alpine, as well as steep alpine gully features that are in the sun during the heat of the day.
A few cm of recent snow now hides windslabs that were created by SW winds. These slabs are variable and recent activity has shown that they are quite large in some areas and may be triggered by light loads. Use your poles to  help feel for these.
The loose upper snow sluffs easily on very steep slopes. So far, these have been small (size 1) skier and solar triggered loose avalanches. On large steep slopes, particularly gully features, these may gain mass and become larger.
Wind slabs can be found above treeline in exposed terrain. These slabs are generally unreactive to skier traffic, although it is still possible to trigger a slab in steep unsupported terrain.
High overcast clouds have decreased the loose snow avalanche activity. With increased sunny periods, this avalanche activity will occur in the afternoon. Consider the overhead snow hazard on the steep rocky terrain above when selecting your ice climb
Localized moderate winds have created hard windslabs in exposed alpine terrain. Although these have not been reactive to human traffic, they may become more reactive as the alpine temps increase.
This problem exists mainly in thin snowpack areas E of the divide where the snowpack has completely facetted and lost all cohesion. Watch for sloughing in steep terrain where the snow is unsupportive, particularly as temps increase.
Warm air at treeline and above combined with sun may cause cornices to weaken and fall. Be cautious near or under cornices.
Wind slabs can be found above tree line in exposed terrain. These slabs have been unreactive to skier traffic, however, it is still possible to trigger a slab in steep unsupported terrain.
Loose snow avalanches are likely on steep thin slopes and in gulley features.  Although these avalanches are possible on all aspects, solar triggering is most likely.
The cold temperatures are facetting out cornices and large cornice failures have been observed. Currently there is an objective hazard from natural cornice failures as well as a hazard from human triggering while walking on ridges.
Moderate winds have created hard windslabs in exposed alpine terrain. Although these have not been reactive to human traffic, they may become more reactive as the alpine temps increase.
Recent West winds have created hard and soft slabs near ridge crests and in open areas at tree line and in the alpine.&nbsp; Use your poles to help feel for these and avoid steep wind loaded and cross loaded terrain.
Loose snow avalanches are likely on steep thin slopes and in gulley features.  Loose snow avalanches are possible on all aspects, however, solar triggering is most likely.
Moderate winds have created hard windslabs in exposed alpine terrain.  So far, we have seen little action with this layer.  Areas of wind effect and loading are fairly easy to recognize now. Pick sheltered locations, near the divide for best skiing.
This problem exists mainly in thin snowpack areas E of the divide where the snowpack has completely facetted and lost all cohesion. Watch for sloughing in steep terrain where the snow is unsupportive.&nbsp; This is especially a concern for ice climbers.
The loose upper snow sluffs easily on steep slopes. Riders are reporting these running fast and far. On large steep slopes, particularly gully features, these will gain mass and become larger.  Manage your travel accordingly.
Loose snow avalanches are likely on steep thin slopes and in gulley features. 
Watch for sloughing in very steep, shallow terrain where the snow has lost all cohesion due to facetting.
Variable wind slabs have been mainly unreactive in the past few days, but are still areas to avoid in steep alpine features. 
23cm of new snow sits over an old snow interface that is not likely to bond quickly. This new snow will add to the sluffing that has been observed over the past week when triggered.
Winds picked up last night and are still on the rise. Be aware of&nbsp; the changing snow conditions as you enter more wind exposed terrain.
Wind slabs can be found above tree line in exposed terrain. These slabs have been unreactive to skier traffic; however, it remains possible to trigger one in steep unsupported terrain. Assess your transitions for changing conditions.
Loose snow avalanches are possible in steep thin snowpack slopes and gully features as facetting process dominates. Solar triggering is most likely initiator but not solely responsible. They may  knock you off a climb or bury you in a terrain trap.
New snow and moderate wind from the West have started to create wind slabs in alpine lee areas. Expect these wind slabs to be reactive to skier traffic tomorrow.
Steep gully features with shallow snow packs are the likely areas to run into this problem.
33 cm of new snow sits over variable weak layers such as surface hoar, sun crust or facets, depending on your aspect and elevation. These are ideal  layers for an avalanche to release on.
Steady overnight winds have created wind slabs in wind exposed areas and will react easily to skier triggering.   
Loose snow avalanches are possible in steep thin snowpack slopes and gully features as facetting process dominates. Solar triggering is most likely initiator but not solely responsible. They may knock you off a climb or bury you in a terrain trap.
New snow and moderate wind from the West have started to create wind slabs in alpine lee areas. This problem is more prominent W of the divide where more snow has fallen. Expect these wind slabs to be reactive to skier traffic.
Steep gully features with shallow snow packs are the likely areas to run into this problem. This problem is most prominent in ice climbing terrain where a small new snow sluff could entrain the facets and push a climber off their feet.
  Weak layers such as surface hoar, sun crust or facets, depending on your aspect and elevation, are now buried 40 to 60cm deep. These are in the range of skier triggering and wider propagation as the slab settles.
Higher elevations saw strong overnight winds creating wind slabs over buried weak layers. 
The incoming storm will dump up to 40cm at high elevations, approx 25cm at tree-line. This will provide the load necessary to make traveling in avalanche terrain something to avoid until the storm slabs have a chance to settle.
New wind slabs will be forming on lee slopes with 30 cm of storm snow and strong SW alpine winds.  Open tree line features will also see slab development.  In many lee areas, these slabs will be sitting on top of the weak January 6th surface hoar.
Up to 30 cm of storm snow is possible in the next 24 hrs.  We will likely see an avalanche cycle involving the storm snow on steep slopes.
Up to 65cm of storm snow lies on a weak interface of surface hoar and sun crust.  These layers are very reactive to skier triggering.  A widespread avalanche cycle occurred overnight, and avalanche control is planned for today.
Higher elevations saw strong overnight winds (up to 70 kph) creating wind slabs over buried weak layers.
30-50 cm thick soft slabs have formed especially on lee slopes. 30 cm of storm snow have been accompanied by moderate gusty SW alpine winds. 
30-50 cm at treeline in past 24 hours and up to 80 cm in past 72 hours. Moderate SW winds producing storm slabs that are sitting on a weak facet layer. Widespread natural cycle in storm snow observed on Wednesday.
Up to 70 cm of storm snow lies on a weak interface of surface hoar and sun crust, burried on January 4.  Avalanche control yesterday produced many avalanches on this layer.  Storm snow will continue to be reactive to skier triggering
The January 4 surface hoar, sun crust, facet interface will likely become a persistent weak layer in the weeks to come.  Recent strong winds have already created harder wind slabs at and above treeline on this layer.
Up to 80 cm at treeline of recent storm snow and moderate SW winds have created storm slabs on a weak facet layer. The natural cycle is over but we still expect these slabs to be reactive to skier triggering.
30-50 cm thick soft wind slabs have formed on lee slopes with 30 cm of storm snow and moderate gusty variable alpine winds.
Surface sluffing on slopes over 35 degrees. Manage this carefully within the group by not skiing above other skiers and avoiding terrain traps and gullies or confined terrain. This should decrease with settling over the next few days.
A persistent weak layer down 50 to 70cm is reactive to skier triggering.  Our observations suggest the most reactive locations are steep S/SW facing slopes and open glades. Strong south winds may have created harder wind slabs at and above treeline.
Up to 70 cm of loose storm snow is easily triggered by riders in steep terrain.  Watch for fast sluffing especially in steep open glades where a surface hoar layer makes for easy sliding. Manage your travel accordingly.
30-50 cm thick soft slabs have formed where winds have touched the slope. This may overlie a buried surface hoar from Jan 6 in sheltered locations. Winds are forecasted to be moderate N on <br />Saturday which may create slab conditions. 
Winds have left the 30cm of storm snow from Wednesday relatively untouched &quot;so far&quot;. It remains low density which causes sluffing and picking up significant mass in some cases to be a concern especially if terrain traps are involved. 
Up to 50 cm of settled storm snow and moderate SW winds have created storm slabs on a weak facet layer. Whumphing and cracking was observed in the field, so skier triggering is still possible. Tree-line elevations seemed to be the most touchy.
A persistent weak layer down 50 to 70cm is reactive to skier triggering. Our observations suggest the most reactive locations are steep S/SW facing slopes and open glades. Strong south winds may have created harder wind slabs at and above treeline.
Today, a field team observed whumphing and cracking at tree-line elevations where wind had created soft slabs. These slabs felt touchy on these specific, wind-affected areas. Human-triggering is still possible, given the right load on the sweet spot.
Last Wednesday's 30cm storm is rapidly evolving into a windslab with the influence of alpine winds. This may cover a buried surface hoar from Jan 6 yet its remained unreactive. Minor whumphing and upside down powder was noted today in the alpine. 
Where the wind has not affected the snow, 30cm of unconsolidated storm snow is sluffing out of steep terrain. They can pick up enough mass to be a concern to skier and climbers particularly when terrain traps are involved.
A cohesive slab overlies a persistent weak layer. Variable distribution and composition makes this layer difficult to predict. Tests on this layer indicate it is skier triggerable and observations indicate it is most reactive on steep S'ly aspects.
Cold temperatures is keeping the surface snow loose, especially on slopes sheltered from the wind. On steep slopes, this surface snow will sluff. On steep confined features (ie gullies) they may gain mass.
Wednesday's 30cm storm has evolved into a windslab on a variety of aspects. This may cover a buried surface hoar from Jan 6 yet its remained unreactive or stubborn. Minor whumphing and cracking was noted on Saturday in the alpine. 
Where wind has not affected the slope, 30cm of cold unconsolidated snow is sluffing out of steep terrain. They have been observed to pick up enough mass to be a concern to skier and climbers particularly when terrain traps are involved.
This layer is a sleeper and still needs careful consideration.
Upper level winds from the N have created windslabs on S-SE slopes in the high alpine. Winds around 2000m are from the south, loading N-NE slopes. Watch for windslabs in the alpine; if triggered they may step down to the persistent slab.
Last week's 30cm storm has produced new wind slabs on a variety of aspects. These slabs are resting on a surface hoar layer (Jan6) that is fairly widespread yet remains stubborn to triggers. Rapid warming will make these slabs easier to trigger.
Where wind has not affected the slope, 30cm of cold unconsolidated snow is sluffing out of steep terrain.  Solar input and warming temps are expected to increase the frequency of these natural avalanches.
The recent storm snow has mostly settled, which subsequently has created the problem of persistent slabs. Although there has been little recent avalanche activity concerning this problem, there is still potential.
W and NW winds have been creating slabs near ridge lines over the past few days. A few natural avalanches have been seen that are 10-30cm deep. Feel for changes in the upper snow pack as you enter open areas. A small slab may trigger a deeper one.
A cohesive slab overlies the January 4 persistent weak layer. Variable distribution and composition makes this layer difficult to predict.  It is most reactive on steep solar aspects.  There have been two skier triggered slides on this layer.
Upper level winds from the N have created wind slabs on S-SE slopes in the alpine. Winds around 2000m are from the south, loading N-NE slopes. Watch for windslabs in the alpine; if triggered they may step down to the persistent slab.
Recent wind loading have created new wind slabs, predominantly in the alpine. They will certainly be reactive to riders and climbers.
Beware of open areas at tree-line. Surface hoar is well preserved in sporadic locations. See picture from our Vermillion study plot.
Significant new windslab formation and loading observed today with the arrival of intense NW winds at upper elevations. Once triggered, these events are stepping down to ground.
Surface instabilities such as loose snow and new windslabs are stepping down to ground, which means a small  avalanche has the ability to become&nbsp; large very quickly.
Wind transported snow is triggering point releases, most commonly out of steep and rocky terrain.
The January 4 crust-facet interface (down 60 cm) remains a concern.  It is most problematic on steep S and W aspects.  The slab above this is becoming more cohesive, and skier triggering remains likely.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees over night at 2000m) are contributing to wind slab development.  Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
Slabs have formed on a variety of aspects from moderate to strong winds (with extreme gusts).  This condition is more prevalent with increasing elevation.
Surface instabilities such as loose snow and new windslabs  may step down to ground, which means a small avalanche has the ability to become large very quickly.  This will occur more likely in shallow snowpack areas.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development.? Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
The January 4 crust-facet interface (down 60 cm) remains a concern.? It is most problematic on steep S and W aspects.? The slab above this is becoming more cohesive, and skier triggering remains likely.
Recent wind loading have created new wind slabs, predominantly in the alpine. They will certainly be reactive to human loads. A natural size 2 was observed at Bow Summit yesterday. The ensuing strong winds reloaded the slope in a couple of hours.
Beware of open areas at tree-line and below tree-line. Surface hoar is well preserved in sporadic locations. In wind-loaded areas, it may be buried deeper, creating a thicker slab to avalanche.
Hard and soft slabs continue to build on a variety of aspects from moderate to strong winds.  Natural slab avalanches have initiated on the surface hoar layer and then stepped down to either the basal facets or the November rain crust.
Wind slabs and loose snow avalanches have triggered this weakness.  These avalanches have gained significant mass as a result. This situation will more likely occur in shallow snowpack areas.
Use caution if you encounter wind slabs near ridge crests or in steep loaded terrain.  These are generally easy to spot at this time. 
With the recent NW winds and snow these have grown quickly and are now quite fragile.  Be especially cautious of cornice failures with warm temperatures and sun.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development. Lee and cross-loaded features will be most loaded, however all aspects are suspect.
The January 4 crust-facet interface (down 60 cm) remains a concern. It is most problematic on steep S and W aspects. The slab above this is becoming more cohesive, and skier triggering remains likely.
Hard to soft wind slabs have developed on lee aspects.  Numerous full depth natural slab avalanches have been observed on thin, steep, lee slopes in the alpine.  Wide propagations can be expected.
Wind slab avalanches primarily in the alpine, have triggered this weakness. These avalanches have gained significant mass as a result. This situation will more likely occur in shallow snowpack areas.
The warm temperatures and continued settling seems to be helping the recent wind slabs bond to the various underlying surfaces. These slabs have become stubborn to trigger, but human triggering is still possible.
Jan 6 layer could be a failure plane in areas with enough load or on the right slope (steeper unsupported features).  May still need a little more load for this layer to become more reactive.&nbsp; Dig down &amp; check for surface hoar (kootenay, sunshine).
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex roles.
A persistent layer down ~40cm remains a concern. It has been most reactive on steep, solar aspects and produced several skier triggered avalanches last week. Human triggering is still possible, or windslabs may step down to this layer.
Wind slabs have developed on a variety of lee aspects overlying a buried surface hoar in locations from Jan 6th. Avalanches have been observed on thin, steep, lee slopes in the alpine some with wide propagations or stepping down.
Wind slabs avalanches have triggered this weakness thus gaining significant mass. This situation will more likely occur in shallow snowpack areas. Less activity today due to cooler temperatures but expect some steep slopes remain primed. 
Wind slabs to pencil stiffness are possible to trigger in steeper terrain.  These are becoming more stubborn to initiate as warm temperatures bond these to  the surfaces below.  Caution where these sit over facets in thin snowpack areas.
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex rolls.
Extreme winds have developed hard wind slabs on a variety of lee aspects. It sporadically overlies a buried surface hoar from Jan 6th. Natural avalanches were initially observed on thin, steep, lee slopes in the alpine but now subsided.
Initiating the surface slab can trigger this deeper weakness. This will more likely occur in shallow snowpack areas. Less activity last 2 days due to cooler temperatures but expect some steep slopes where human triggering remains possible. 
Watch for wind hard slabs in the alpine. They are susceptible to human triggering.
Mild alpine temperatures and clear skies will increase the hazard on sun affected slopes. Be mindful of overhead hazards like cornices that may fail with heat and rocky outcroppings where loose avalanches originate.
South winds from earlier in the week had affected much of the tree line and alpine. Wind slabs may still react to skier triggering and may be weakened with warming temperatures.
A persistent layer down ~40cm remains a concern. It has been most reactive on steep, solar aspects and produced several skier triggered avalanches last week. Human triggering is still possible.
Last week's extreme winds have developed hard wind slabs on lee aspects. It sporadically overlies a buried surface hoar from Jan 6th. Avalanches were initially observed on thin, steep, lee slopes in the alpine but activity subsided since Friday.
Initiating the surface wind slab can trigger this deeper weakness. This situation will more likely occur in shallow snowpack areas. Less activity since Friday due to cooler temperatures but expect human triggering remains possible on steep slopes.
Wind slabs are present in many areas at tree line and above. In most places these have bonded well to the underlying snow. Watch out for places where the wind slabs are sitting on a weak layer of soft snow by probing frequently with your poles.
Touchy wind slabs that are reactive to human triggering exist in the alpine. See avalanche discussion.
Mild alpine temperatures and sunshine will weaken the upper snowpack on steep solar aspects. Moist snow is a good indicator of this.  Watch for overhead hazards like cornices and rocky outcroppings where loose avalanches originate.
Evidence of wind slabs still lingers in the alpine. Caution at ridge crests and on cross loaded features.
A persistent layer down ~40cm remains a concern. It has been most reactive on steep, solar aspects.
Recent wind effect has destroyed most of the surface snow and left hard slabs which could be triggered from shallow snowpack areas. Watch for steep and unsupported areas of windloaded snow.
The lower depths of the snowpack are slowly facetting and becoming weaker, especially in shallow areas. Choose the deeper snowpack areas for your travel.
A weak layer down around 50 cm remains a concern. It has been most reactive to rider triggering on steep slopes where a sun crust is present.
Variable wind slabs are prevalent , and will be most likely triggered from shallow snowpack areas propagating into thicker snowpack areas on facets.
Recent wind effect has destroyed most of the surface snow and left hard slabs which could be triggered from shallow snowpack areas, or in isolated steep pockets of windloaded snow.
30cm of new snow has created storm slabs. These can be triggered by riders especially in steep terrain. Watch for wind effected snow on north/northeast slopes in open areas at treeline and in the alpine. Snow will be sluffing in steep treed terrain.
A weak layer down around 65-90 cm might still be reactive to skier triggering. No natural avalanches have been observed on this layer recently. New snow overnight may overload this layer, causing it to fail with the additional weight of a rider.
Soft wind slabs up to 30cm thick have formed mainly along and W of the divide. Expect to find these near ridge top which may not bond well in the short term to hard slabs below.
Hard slabs are possible to trigger from thinner snowpack areas on facets in steeper terrain.  These have been mainly unreactive in the last 48 hours but are still a concern.
Hard slabs are widespread and present the only real problem in the snowpack. Although it seems unlikely, it could be possible to trigger an avalanche in a steep pocket with a hard slab. Mostly these slabs are bridging any weakness underneath.
New wind slabs will continue to form over the next few days with flurries and moderate to strong W winds.  Probe for these with your poles and avoid steep or unsupported terrain where wind slabs exist especially if they overlie sun crusts or facets.
45cm of new snow has created storm slabs. These can be triggered by riders especially in steep terrain. Watch for wind effected snow on north/northeast slopes in open areas at treeline and in the alpine. Snow will be sluffing in steep treed terrain.
A weak layer down around 80-100 cm might still be reactive to skier triggering. No natural avalanches have been observed on this layer recently. New snow overnight may overload this layer, causing it to fail with the additional weight of a rider.
Soft wind slabs up to 40cm thick have formed mainly along and W of the divide in exposed terrain.  Areas E of the divide have seen light snow and only very thin slab formation. Watch for the bond between these slabs and the hard surfaces below.
These hard slabs have been unreactive in the last few days.  Triggering is still possible from thin snowpack areas in steep terrain where these sit over facets.
45cm of new snow has created storm slabs. These can be triggered by riders especially in steep, unsupported terrain. Watch for wind effected snow on north/northeast aspects at treeline and in the alpine. Be cautious of sluffing in steep terrain.
Soft wind slabs up to 40cm thick exist mainly along and W of the divide in exposed terrain. Areas E of the divide have seen light snow and only very thin slab formation. Watch for the bond between these slabs and the hard surfaces below.
Recent storm snow is settling into a more cohesive slab. Watch for wind effect on north/northeast aspects. Surface hoar below 1800m was observed in some drainages now buried down 40cm, this may become more reactive with settlement.
The new snow that is forecasted to arrive will further develop the existing wind slabs that are located in alpine lee areas. Expect these wind slabs to be up to 40cm in isolated areas by Wednesday.
Storm snow continues to settle into a more cohesive slab. 50cm sits on a sun crust on steep south and west aspects and over surface hoar below 1800m. Wind effect on north and east aspects may exist.
Up to 10 cm of light snow overnight will sluff easily in sufficiently steep slopes. Caution over terrain traps like cliffs and gullies.
Hard windslabs can be found on a variety of aspects in the alpine and are generally very stubborn to trigger. 
Isolated soft slabs have developed in lee terrain near ridge tops.
Hard slabs from last weeks winds persist (beneath recent storm snow) in alpine and treeline terrain. These slabs are unreactive to skier triggering, but  whomphing  and compression tests in the moderate range are being observed on this layer.
Skiers in steep terrain should expect sluffing: slow but gain mass fast. This can be more serious where the old snow surface is very hard and it is difficult to hold an edge. Avoid confined features, pull off to the side, and do not ski above others.
Isolated windslabs can be found near exposed ridgecrests. These may be buried in places by a few cm. Probe for these with your poles and avoid steep or unsupported terrain where wind slabs exist especially if they overlie sun crusts or facets.
These are large and appear to be quite fragile right now. Consider the loose snow or windslab avalanches these could trigger below them and manage your exposure accordingly. Particular caution as these experience rapid temperature changes Wednesday.
Storm snow continues to settle into a more cohesive slab. 50cm sits on a sun crust on steep south and west aspects and over surface hoar below 1800m. Wind effect may exist near ridge tops.
40 to 50cm of light storm snow will sluff easily in sufficiently steep slopes. Caution over terrain traps like cliffs and gullies.
Hard windslabs can be found on a variety of aspects in the alpine and are generally very stubborn to trigger.?
Forecasted strong NW winds will create soft and hard slabs in areas where there is sufficient new snow to blow around (mainly in the southern and western parts of the forecast region).
Hard slabs from previous high winds have been buried by recent storm snow. These slabs have been unreactive to skier triggering, but new wind loading may awaken them.
Rising winds overnight and lots of deep soft snow available for wind transport will create storm/wind slabs at treeline and in the alpine. Be aware of soft slab formation in the lee of features at ridgelines. These soft slabs are running end fan. 
50 to 70cm of light storm snow will sluff easily in steep terrain. Use caution near terrain traps like cliffs and gullies.
Isolated wind slabs in steep terrain features may be human triggered or run naturally with slight additional loading.
Hard windslabs can be found on a variety of aspects in the alpine and are generally very stubborn to trigger. New thin wind slabs are forming in exposed areas above treeline with recent flurries.
Over 24 hours of strong winds at treeline and in the alpine have formed easy to trigger windslabs. Be cautious near ridges or other areas where the wind may have formed slabs. Watch for shooting cracks as a sign for soft slabs.
Strong winds in the last 24hrs and lots of deep soft snow available for wind transport have created storm/wind slabs at treeline and in the alpine. Be aware of soft slab formation in the lee of features at ridgelines.
Skier triggerable slabs exist throughout the park. Recent strong southerly winds have loaded northerly aspects. Avoid lee and cross-loaded terrain near ridges where the wind has deposited firm snow.  Watch for shooting cracks as a sign of soft slabs.
Isolated wind slabs in steep terrain features may be human triggered or run naturally with slight additional loading. Warmer temp's on Saturday will initially weaken the bond of these slabs to the underlying snow.
Hard slabs from previous high winds have been buried by recent storm snow. These slabs have been unreactive to skier triggering, but warm temp's or new wind loading may awaken them.
Hard windslabs may be triggered from thin snowpack areas.  Thin wind slabs are forming in immediate lee areas above treeline with continued moderate to strong Northwest winds.
Windslabs can be found near exposed ridgecrests and in alpine features such as gullies, bowls and fans. Watch for cracking around your skis and probe with your poles to detect these. Avoid steep or unsupported terrain where windslabs exist.
These are large and appear to be quite fragile right now. Consider the windslab avalanches these could trigger below them and manage your exposure accordingly. Watch for sunny periods that may intensify the heating process and cause failure.
Skier triggerable slabs exist throughout the park. Recent strong southerly winds have loaded northerly aspects. Avoid lee and cross-loaded terrain near ridges where the wind has deposited firm snow. Watch for shooting cracks as a sign of soft slabs.
Use caution on solar facing terrain when the sun is out. Especially this afternoon.&nbsp; Watch for loose avalanches triggered from hot spots, like trees and rocks.
Hard windslabs may be triggered from thin snowpack areas.  Thin wind slabs are forming in immediate lee areas above treeline with continued moderate to strong Southwest to Northwest winds.
Isolated wind slabs in steep terrain features may be human triggered in thin, weak areas or run naturally with additional loading (cornices). Several recent cornice falls indicate it is time to start watching the big, fat snow-rolls at ridge top.
Moderate to strong winds over consecutive nights have produced wind slabs at higher elevations. Pay close attention to changing snow conditions as you travel from sheltered to more exposed areas.
Hard windslabs may be triggered from thin snowpack areas. Thin wind slabs are forming in immediate lee areas above treeline with what little snow is available and continued moderate to strong Southwest winds.
This winter we have experienced multiple wind slab events. Currently fresh wind slabs are quite touchy, but vary in thickness (20-40cm). In addition to surface wind slabs, older hard wind slabs lurk beneath the surface, but are harder to trigger.
Strong south winds have come with new snow and are remaining steady. Caution on lee slopes. Previous wind slab is newly buried as is a sun crust on solar aspects.
Hard persistent windslabs may be triggered from thin snowpack areas. Thin wind slabs are forming in immediate lee areas above treeline with the small amount of new snow.
Strong wind has promoted the development of wind slabs even further today. Expect these new wind slabs to be touchy. In addition to surface wind slabs, older hard wind slabs lurk beneath the surface, but are harder to trigger.
Wind slabs will continue to form with light snow fall and moderate to strong West winds over the next few days.  Probe for these with your poles and dig down to check the bond with previous surfaces before committing to steep terrain.
Reports of wind slab, 20 to 45cm deep, reactive to rider testing yesterday from sustained moderate to strong south winds for the past 3 days. Caution on lee and cross loaded slopes.
Hard persistent slabs up to 30cm thick are widespread above treeline and appear to be mostly unreactive.  Thin wind slabs may be found in immediate lee areas above treeline with the small amount of new snow and may be touchy.
Wind loading of storm snow over the past 48 hours has created 20-40 cm thick slabs at and above treeline.  These are thicker on lee aspects, but are also a problem on solar (windward) aspects where they overly a crust.
Strong wind has promoted the development of wind slabs in the alpine and open tree-line features. There has been little natural avalanche activity with these new slabs, but human triggering is still possible, especially in thin, weak areas.
Hard persistent slabs up to 30cm thick are widespread above treeline and appear to be mostly unreactive.? Thin wind slabs may be found in immediate lee areas above treeline with the small amount of new snow and may be touchy.
Winds tapered off overnight, but the slabs that formed previously remain a concern.  Expect pockets of slab in lee features and near ridge crests.  Slabs will be thicker on lee aspects, but persist on solar (S + W) aspects over the Feb. 3 sun crust.
The hard windslabs that dominate the alpine snowpack have been unreactive lately.  It still may be possible to trigger an avalanche on steep unsupported terrain from thin areas and edges of these slabs. 
Wind slabs from recent strong winds persist in the alpine. In some areas these slabs are now covered by a light layer of new snow and may not be as obvious to see.  The area of most concern is lee terrain near ridge tops.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
New wind slabs have formed in the last 48hrs. They seem to be bonding well but investigate them carefully before committing to steep terrain where the wind slabs are present, especially in areas with several layers of wind slabs from recent storms.
With forecast daytime warming and the possibility of strong solar effect with clear skies we may start to see more cornice failures which could trigger recent storm slabs and wind slabs.  Avoid traveling in terrain exposed to cornice failures.
Winds are back in the loading range, and the slabs that formed previously remain a concern. Expect pockets of slab in lee features and near ridge crests. These slabs may sit on a sun crust on S+W aspects.
The hard windslabs that dominate the alpine snowpack have been unreactive lately. It still may be possible to trigger an avalanche on steep unsupported terrain from thin areas and edges of these slabs.
Wind slabs from recent strong winds persist. In some areas these slabs are now covered by a light layer snow and may not be as obvious to see.  Areas of most concern are lee terrain near ridge tops and isolated treeline features East of the divide.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Steady SW winds have been transporting snow and triggering natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests.
2 layers, down ~40 and ~80cm, exist in isolated areas (see forecast details). They have been reactive to ski cutting on steep unsupported features in Rogers Pass, and in the surrounding region caused several human triggered size 2 avalanches.
Wind slabs from recent strong winds persist. In some areas these slabs are now covered by a light layer snow and may not be as obvious to see.? Areas of most concern are lee terrain near ridge tops and some open slopes at at treeline.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Recent snowfall amounts vary depending on location. Reports from Shangri-La indicate as much as 10cm of new snow.  This new snow  is forming wind slabs that are sitting on the previous widespread hardslab and may be sensitive to light triggers.
Solar aspects are going get hit hard by the sun today. Natural avalanches are expected, particularly on steep slopes and around exposed rocks. It will also make skier triggering of the storm slab more likely. They may step down to a crust below.
Steady SW winds continue to transport snow and trigger natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests; most likely in serious terrain where a ride would have severe consequences.
Recent snowfall amounts vary depending on location. Reports from Shangri-La indicate as much as 10cm of new snow.? This new snow is forming wind slabs that are sitting on the previous widespread hardslab and may be sensitive to light triggers.
Wind slabs from recent strong winds persist. In some areas these slabs are now covered by a light layer snow and may not be as obvious to detect Areas of the most concern are steep lee slopes near ridge tops and some steep open slopes at treeline.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Steady winds continue to transport snow and trigger natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests; most likely in serious terrain where a ride would have severe consequences.
Last weeks snow has settled into a slab. The layers of concern below vary by aspect, but are most likely to be triggered on steep southerly aspects where buried crusts exist. The slab is stubborn to trigger but large avalanches are possible.
Up to 10cm of snow from recent flurries has been redistributed by moderate NW winds onto the Southeast aspect of terrain features. This soft slab could knock a person over in steeper terrain.
The hard windslabs that dominate the alpine snowpack have been unreactive lately. It still may be possible to trigger an avalanche on steep unsupported terrain from thin areas and  the edges of these slabs.
Forecasted light snowfall and strong westerly and northwesterly winds will create touchy wind-slabs in lee terrain in the alpine.
New wind slabs have formed in the last 48hrs. They were touchy yesterday with a couple of avalanches triggered by skiers immediately below the ridgecrests on N and E asp. Be cautious of lee slopes in steep terrain.
South facing slopes are starting to heat up with daytime warming. We may start to see more cornice failures which could trigger recent or buried wind slabs. Avoid traveling in terrain exposed to cornice failures.
Winds have remained in the moderate range and are forecast to increase with this incoming storm.
Forecasted light snowfall and strong westerly winds on Tuesday night will create fresh wind-slabs in lee terrain in the alpine.
Moderate to strong Southwest winds beginning today in the icefields will create windslabs from the 10 - 20cm snowfall expected overnight. This  will load lee terrain features.
The hard windslabs that dominate the alpine snowpack have been unreactive lately. It still may be possible to trigger an avalanche on steep unsupported terrain from thin areas and the edges of these slabs.
High to extreme S. winds have redistributed new snow onto lee slopes, creating hard and soft slabs in all wind affected areas.  At treeline, these slabs rest on a newly formed surface hoar layer (February 12). 
Moderate to strong W winds accompanied 10-30cm of new snow. This has created new windslabs in alpine and open tree-line lee features. Expect these slabs to be touchy for the next day or two.
Yesterday's frontal passage produced only sporadic snowfalls ranging from 3 to 12cm. This was redistributed by moderate to strong SW winds overnight and through most of today. Expect lee sides of terrain features to have soft slabs on them.
Storm snow is easily triggered by skiers. It is still a soft slab in most places, but has the potential to propagate widely on a touchy layer of surface hoar.&nbsp; Below treeline, open glades may be very reactive.
The presence of hard wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.&nbsp; While the nature and extent of these slabs is uncertain, it is wise to watch for them in wind exposed areas.
Strong W winds accompanied 10-30cm of new snow. This has created new windslabs in alpine and open tree-line lee features. Expect these slabs to be touchy for the next day or two, especially in the alpine.
Thin pockets of windslab can be expected below Northeasterly ridge lines.  These windslabs may be triggered on steeper slopes.
The hard windslabs that dominate the alpine snowpack have bridged weakness below.  These slabs have not been reactive. It may be possible to trigger an avalanche on steep unsupported terrain from thin areas and the edges of these slabs.
Currently the wind slabs appear to be bonding well but caution should be used in steep or unsupported terrain where these are present.  If the forecast snow arrives with gusty winds on Saturday, new wind slabs will form and the hazard will rise.
Storm snow is easily triggered by skiers. It is still a soft slab in most places, but has the potential to propagate widely on a touchy layer of surface hoar.  Below treeline, open glades may be very reactive.
The presence of wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.  Expect to find them in wind exposed areas at treeline and in the alpine.
Wind and little new snow dominate the alpine landscape. On certain lee features this crust is thick enough to form a wind slab,  and it may be possible to trigger an avalanche on steep unsupported terrain from thin snowpack areas.
The snowpack in the alpine and at tree line consists of multiple wind laminated layers.  How the terrain has influenced the formation and character of these layers on a given slope is the main question to keep in mind while traveling.   
A touchy surface hoar layer is down 25-40cm. There have been human triggered avalanches on this layer daily. Avalanches are increasingly possible with new snow and rising winds today adding load, and mild temperatures making the slab more cohesive.
Soft windslabs formed on lee slopes above treeline last week from southerly winds. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Up to 20 cm of new snow will fall by Sunday afternoon.  Moderate W to NW winds will be building slab conditions.  These new storm slabs are sitting on smooth hard slab.  The bonding between these layers is uncertain.
There will be increasing load on the persistent slabs now buried by 15-20 cm on new snow.  There is a greater possibility that storm snow avalanches may be enough to trigger the persistent slab layer deeper in the snowpack.
A touchy surface hoar layer is down 35-55cm. Human (even tree bomb) triggered avalanches have occurred daily. Avalanches are increasingly possible with new snow and rising winds today adding load, and mild temperatures making the slab more cohesive.
Up to 20 cm of new snow fell in the last storm. Moderate NW winds are pressing the new snow into soft slabs and building thin soft windslab on immediate lee features. These new storm slabs are sitting on smooth hard slab and sastrugi. 
Wind earlier in the week has created some ripe touchy cornices. Some older cornices are starting to cleave off as well.
There is still a real possibility of triggering a wind slab on the right slope. Steep unsupported slopes near ridgecrests are the most likely terrain and should be avoided.
A touchy surface hoar layer is down ~50cm. Human (even tree bomb) triggered avalanches have occurred daily. Avalanches are increasingly possible with new snow load and mild temperatures making the slab more cohesive.
Soft windslabs formed on the immediate lees of ridges above treeline. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Saturday's 20cm of snow is developing into a surface windslab on SE slopes. As the winds shift Southerly, slabs will build on NE-NW aspects. The new slabs are sitting on previously hard slab and sastrugi surfaces.
Recent low density snow has buried surface wind slabs. Although they are hard to trigger at the moment, they are hidden. Keep this in mind when exploring steeper alpine features. Also, ski conditions in the alpine today resembled dust on 'sastrugie'.
New slabs forming in exposed areas with SW winds. These are spotty and small right now but will grow in size and thickness with time. Monitor the texture of the snow as you move into open areas and avoid steep terrain where these slabs are present.
Sluffing occurs easily given terrain over 40 degrees. This will diminish as the storm snow settles and is likely to occur only on  shaded slopes following the solar heating on Feb 18. Manage your sluff and your group carefully.
The Feb 12 PWL is becoming more reactive as it matures.&nbsp; Skier triggered and natural avalanches have been increasing on this layer, with RB scores of 2, whole block.&nbsp; It is most reactive on solar aspects between 17-1900m.
Saturday's 20cm of snow  has evolved into a surface windslab and appears to be bonding well. They sit on a variety of surfaces such as previously smooth hard slab and sastrugi surfaces. 
Low density snow has buried wind slabs that were formed last week. Keep this in mind while exploring alpine features.
A &quot;persistent weak layer&quot; (Feb 12 SH) is now down 50-60 cm from the surface, and is sporadically reactive to skier triggering.  Wide propagations are possible, especially on sunny aspects where it sits on a sun crust, between 17-1900m.
Wind slabs persist in lee loaded features near ridge crests and roll-overs.  These have the potential to step down to the Feb 12 PWL, creating larger avalanches in specific terrain features.
Saturday's 20cm of snow  has evolved into windslab that appears to be bonding well. These slabs sit on a variety of surfaces such as previously hard slab and sastrugi.
The recent storm snow has started to settle. On average, this amounts to about 10cm. Additionally, wind slabs, both hard and soft, still linger in alpine lee areas.
Cornices seem particularly ripe at the moment. Bigger cornices above start zones have the potential to fail and rake out the faceted snowpack, creating large avalanches. Keep in mind what is looming over your head
A &quot;persistent weak layer&quot; (Feb 12 SH) is down 50-60 cm from the surface, and remains sporadically reactive to skier triggering.  Wide propagations are possible, especially on sunny aspects where it sits on a sun crust, between 17-1900m.
Saturday's 20cm of snow has evolved into a variable windslab and appears to be bonding well. It sits on a variety of surfaces such as previously hard slab and sastrugi.
New wind slabs will be forming with forecast snow Friday afternoon, watch locally for building sensitivity to triggering.
Steeper slopes and gullies in the alpine will slough easily with any new snow load and wind over the already present facets.  Ice climbers should monitor this closely.
Cornices triggered facet avalanches on Wednesday, see avalanche discussion
Slabs are continuing to form in exposed areas with SW winds. These are growing in size and thickness with continued precipitation. If the snow arrives Friday as forecast these slabs could build to 1m thick on north and east lee slopes in the alpine.
A weak layer is down 40-50cm. It is most likely to be skier-triggered around 17-1900m, avoid open slopes and convex rolls. On sunny aspects the weak layer can be touchy.  Natural avalanche activity will increase on this layer today with the new snow.   
Wind slabs persist in lee loaded features near ridge crests and roll-overs. Strong winds today will rapidly change conditions in the alpine and open areas at treeline today.
With the potential of this new snow load and winds Friday evening, expect increase in activity until has had few days to stabilize. 
Wind slab formation, especially near ridge tops has been noted by a team on the Wapta. Expect these to be touchy within the next 24 hours.
Expect sloughing in steep gully terrain.  Ice climbers should monitor this closely.
Cornices can provide the big trigger and entrain new wind slabs and underlying facets.  Some of these cornices have been easily triggered in the last week.
New snow has created touchy conditions.  Skiers could trigger avalanches today.  Use caution in steep terrain.  Watch for slab formation where wind has deposited firmer snow.  Cracking around skis is a clue slabby conditions are present.
February 16th 20cm of snow evolved into a variable thickness windslab. It sits on a variety of surfaces and aspects. Will be found wind-pressed and thinner on windward aspects and thicker and denser on lee aspects. Overall its firm and supportive.   
Soft slabs in the high alpine are developing with the recent snow and winds. The next system late tomorrow could create further wind slabs. Expect these to be touchy within the next 24 hours.
Expect sloughing in steep gully terrain. A field team in Kootenay noted large enough sloughs to knock a person around. Ice climbers should monitor this closely.
Cornices can provide the big trigger and entrain new wind slabs and underlying facets. Some of these cornices have been easily triggered in the last week.
Moderate to strong overnight winds with new snow available to be moved by it has created wind slab at the higher elevations. Evidence of wind affect was also seen in open areas below tree line.
Moderate to strong winds from all directions in the icefields continue to scour and redistribute any snow available in the area. New windslabs may develop in unexpected locations on terrain features and ridgetops.
Moderate to strong South wind today is building slabs in lee areas (yes...again). Slab thickness and sensitivity will be variable depending on the local area.
20cm of low density snow over the last 48hrs will produce fast sluffing is sufficiently steep terrain. With enough mass this may trigger the deeper instability.
New snow has buried previous wind slab in the alpine. Look for a stiffer slab beneath the fresh at higher elevations. Winds are forecast to pick up creating new slabs.
Expected snowfall has been reduced to light snow flurries redistributed to Easterly aspects by light to moderate Westerly winds. This just adds another thin windslab over previous hard and soft windslabs on lee sides of terrain features.
Moderate to strong S and W winds yesterday created slabs in lee areas. Slab thickness will range from 5 - 50 cm depending on how much new snow was available for transport. These slabs were unreactive today in the Lake Louise backcountry
In steep wind loaded terrain it may be possible to trigger the recent wind slabs.  These are present near ridge crests at tree line and in open areas above tree line.  Assess these spots carefully and avoid them if in doubt.
Instabilities in the upper 50cm from the recent storm snow.
Solar radiation from forecast sunny breaks may trigger loose avalanches. Caution below rocky outcroppings and watch the overhead cornice hazard. With enough mass these may trigger the deeper instability.
The snow surface consisting of earlier windslabs may be covered by light snow flurries with very little wind.  This is not expected to add any real load to the snowpack in the next few days. More snow may be forthcoming into the weekend.
Recent moderate to strong S and W winds have created fresh wind slabs in lee areas in the alpine. Slab thickness will range from 10-30 cm. These slabs were unreactive in recent field tests but could produce avalanches up to Class 2.
Instabilities in the upper 50cm from the recent storm snow can step down to the Feb 12 surface hoar layer.
Recent SW winds have created fresh wind slabs, 10-30 cm thick. This layer was reactive to ski cuts today, but isolated to the immediate lee of the feature. 
The snow surface consisting of earlier windslabs may be covered by light snow&nbsp; accumulations. This does not add any real load to the snowpack.  However, more snow is expected for the weekend.
The forecasted incoming warm snowfall may bond well to the current windslab layers at the snow surface. However, if there is significant snowfall and high winds, yet another slab will develop.
Soft and hard windslabs 10-60 cm thick exist in the lees of features.  Fresh slabs will form with the incoming storm and will likely be touchy.  This may overload existing wind slabs.  A natural avalanche cycle is likely over the next few days.
With additional precipitation, warm temperatures, and moderate to strong SW winds we expect new wind slabs to form and the hazard to rise over the next couple of days.  We may also see increased cornice failures with the warm temperatures.
Rapid loading by snow and wind is overloading the snowpack. Expect widespread natural avalanche activity, with large avalanches running into valley bottoms. Avalanches may step down to deeper persistent weak layers.
The warm, mild conditions with additional precipitation have increased the likelyhood of cornices failures and wind slab avalanches. These should start to stabilize with cooler temperatures on Sunday but should still be treated with caution.
Developing slabs overlie existing hard windslabs.  Visibility is poor, but we expect naturals to be occurring involving these layers.  In thinner snowpack areas, avalanches may scrub to ground, incorporate the weak snow and run further than expected.
  With the added load, cornices may fail and trigger slopes below.  Be mindful of over head corniced features.
The heavy snow combined with strong Southwest winds will build slabs on lee aspects.&nbsp;  These will be easy to trigger and will have enough load to perhaps step down into&nbsp; deeper weak layers in the snowpack.
60cm of heavy storm snow is settling with mild temps. Rapid loading yesterday triggered widespread large avalanches. The snowpack needs time to adjust to the new load and will still be touchy to human triggering.
Moderate to strong southerly winds continue to transport snow. This is loading lee slopes, overloading the snowpack and triggering large avalanches, as well as forming windslabs on exposed slopes. These areas will take even more time to stabilize.
The heavy snow combined with strong Southwest winds will build slabs on lee aspects.  More snow overnight will make these easy to trigger with  enough load to perhaps step down into deeper weak layers in the snowpack.
Another 20 cm overnight with strong winds will add to the avalanche danger. Avoid travel in avalanche terrain until the snow stabilizes with the cold front passage.
60cm of heavy storm snow is settling into a cohesive slab. Loading by wind and snowfall continues to trigger large avalanches. The snowpack needs time to adjust to the new load and will still be touchy to human triggering.
60 cm of storm snow over the last 48 hrs has created an unstable snowpack. North winds with the passage of the cold front have also loaded the normally windward aspects. Human triggering on steep slopes is likely. Avoid terrain over 30 degrees.
On Saturday, the heavy snow combined with strong Southwest winds built slabs on lee aspects. The overnight snow came in with almost no winds and warm temperatures which should bond well to the earlier storm snow.
Over 80cm of snow has fallen since Friday. Weak interfaces within the storm slab exist. The snowpack needs time to adjust to the new load. It will still be touchy to human triggering, and may step down to surface hoar below.
Moderate to strong southerly winds shifted to NE overnight. Winds have loaded lee slopes, triggered avalanches, built large cornices and formed fat pockets and windslabs on exposed slopes. These areas will take even more time to stabilize.
60 cm of recent storm snow has created unstable storm snow conditions. The natural cycle is over and cooler temperatures have tightened up the upper pack, however we still expect to see touchy storm slab conditions over the next few days.
The storm snow instability will persist until it has had time to settle. Winds and/or warm afternoons will build slabs on lee aspects.
The recent snow has formed a soft slab in isolated areas that can be triggered by light loads. As winds pick up these slabs will grow and become more widespread. Monitor for slabs as you travel and use caution in unsupported terrain.
Wind slabs and large cornices have formed in the alpine.  Cornices are huge and should be given a wide berth.
As the sun peaks out and warms up the day, loose avalanches with significant mass are occurring with increased frequency. They are initiating out of steep W or S facing high elevation rocks or gullies.
The storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions do exist on gully sidewalls and some large alpine slopes as Monday's explosive control work demonstrated. Watch for wind building slabs with this snow.
The storm slab has settled considerably over the past 2 days, but remains a concern due to the potential for wide propagations and step-down to the Feb 12 PWL.  Solar aspects and lee pockets are of particular concern.
Cornices have grown very large and unsupported.  They are increasingly likely to fail, providing a trigger for large avalanches.  Northerly winds have created reverse loading in some areas.
The storm slab has settled considerably over the past 2 days, but remains a concern due to the potential for wide propagations and step-down to the Feb 12 PWL. Solar aspects and lee pockets are of particular concern.
Cornices have grown very large and unsupported. They are increasingly likely to fail, providing a trigger for large avalanches. Northerly winds have created reverse loading in some areas.
The storm slab is becoming more cohesive as a layer and bonding to older surfaces. While this is good in areas of a deeper snowpack (west of the Divide), this will continue to create touchy slabs east of the Divide and in thin, weak areas.
The new snow sluffs easily in steep terrain and will run fast and far over buried crusts. This will likely decrease over the next few days as it settles but in the meantime manage your group carefully especially in confined terrain.
The snow from the last two storms is forming a slab. Things are a bit touchier over crusts right now. Both heating and wind will encourage slab development over the next few days. Use caution in steep or unsupported terrain.
Over the last week warm moist  storms added significantly to already large cornices. One large cornice failure above Forum lake scoured the entire face to the lake. With the expected sunny days in the forecast keep these in mind.
The storm slab has settled considerably over the past 4 days, but remains a concern due to the potential for wide propagations and step-down to the Feb 12 PWL. Solar aspects and lee pockets are of particular concern.
Cornices have grown very large and unsupported. They are increasingly likely to fail, especially during periods of strong sun or warming, providing a trigger for large avalanches. Northerly winds have created reverse loading in some areas.
The storm slab seems to be bonding to older surfaces. West of the Divide, the storm slab is stubborn and harder to move, however slabs are still touchy east of the Divide where they overlie a weak, shallow, faceted snowpack.
Soft slabs are beginning to build along alpine ridgelines with moderate SW winds.  Otherwise, the storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions also exist on gully sidewalls and some large alpine slopes.
Strong sunshine will trigger loose avalanches and make skier triggering more likely on solar aspects today. Solar triggered avalanches may step down to deeper layers, triggering large slab avalanches.
The surface hoar/crust layer from February is becoming less reactive; a function of it now being 1-1.5m deep and having avalanched in many areas. It is most likely to be triggered on solar aspects or by heavy triggers, resulting in large avalanches.
Cornices have grown very large and unsupported. Strong sun today will weaken them. Cornice failures are expected, and are in themselves a concern. Should these large loads trigger deeper layers, very large destructive avalanches are possible.
Expect loose wet avalanches to occur with daytime heating.  Caution on or below any steep solar aspects as temperatures warm up during the day. 
With the recent snow, increasing winds and mild temperatures cornice failures are a greater concern right now.  Avoid exposure to cornice threatened slopes especially with warm daytime temperatures.
With increasing W winds over the next few days we can expect more wind slabs near ridge crests and in open areas above tree line. Use caution when entering wind affected areas and evaluate the snowpack carefully before committing to steep terrain.
Moderate to strong Westerly winds will be forming wind slabs below lee ridgelines on Sunday.
The storm slabs remain soft where the wind has not firmed them up. Soft slab conditions also exist on gully sidewalls and some large alpine slopes.
If the sun peaks out, loose avalanches with significant mass may occur. They are initiating out of steep West or South facing high elevation rocks or gullies.
Storms slabs vary between 30 and 40cm thick. In areas East of the divide the bond at the storm snow interface is weaker than areas farther West.
Moderate to strong Westerly winds continue to form wind slabs below lee ridgelines  and terrain features through Sunday night.
Sustained southerly winds overnight and 10-15cm of new snow have created wind slabs at higher elevations. Caution to the immediate lee of ridge features.
The surface hoar/crust layer from February is most likely to be triggered on solar aspects from shallow areas or from large triggers such as cornice falls resulting in large avalanches.
Last week's snow will continue to add to the wind slabs in the alpine and at treeline. Warming temperatures will increase the likelihood of triggering slopes.
Soft slab conditions  exist on gully sidewalls and some large alpine slopes. Warming temperatures will increase the chance of triggering avalanches at treeline elevations on southerly slopes.
With warm temperatures, new snow and strong SW winds we expect to see wind slab and cornice development at tree line and above over the next few days.  These will be on a variety of crusts and storm snow interfaces and susceptible to skier triggering
With the forecast precipitation amounts, warm temperatures and strong SW winds you can expect natural and skier triggered storm slabs over the next few days on all aspects.  Lower elevations may also see moist or wet snow avalanches!
With more snow the potential for loose dry avalanches in steep terrain will increase.  Manage your sluffs carefully especially in confined terrain.  With warming temperatures these may quickly turn into more serious storm slabs.
Spotty wind slabs exist in the alpine up to 15 cm deep.
Storms slabs  (30-40cm thick) from last weeks storm persist in the alpine. Although the natural cycle has subsided these slabs still may be triggered by skiers in specific areas above treeline.
New storm slabs will be sitting on a variety of surfaces, from colder powder snow or sun crust at higher elevations depending on aspect, to rain crust 1800m and below. 
Strong to extreme W winds will be developing wind slabs on lee aspects and will be sensitive to human triggering.
At higher elevations, expect all gully features and exposed terrain to slough with the increased winds and new snow.  Steep terrain below treeline may slough far and fast.
Strong SW winds are building new windslabs at upper elevations. 
A storm overnight has brought 25-30 cm of new snow with strong winds and rising temperatures. This has formed avalanche conditions.
The surface hoar/crust layer from February is most likely to be triggered by large triggers such as avalanches triggered in shallower layers in the snowpack and cornice falls which will result in large avalanches.
The natural cycle is over and cooler temperatures have tightened up the upper pack, however we still expect to see touchy storm slab conditions over the next few days, especially in thin, faceted areas in the alpine.
Dense, very touchy storm slabs developed overnight with the new snow and warm temperatures. More snow is forecasted for the next 24 hours.
Strong W winds will be developing wind slabs on lee aspects and will be sensitive to human triggering.
30cm of new snow has fallen in the Icefields area in the past 24hrs. This snow has formed stiffer wind slabs in the alpine than at treeline. Near treeline the slabs are softer and less sensitive to triggering. Moderate shears were recorded at 2350m.
Quantities of loose snow plasters steep cliffy terrain which is often encountered in and around ice climbs. With sufficient volume there currently to produce sizable avalanches, and more on the way, you would do well to avoid this terrain.
A storm that started on Wednesday has brought 30-45cm of high density new snow with strong winds and rising temperatures. This has formed avalanche conditions.
40-60cm storm slabs are poorly bonded to older surfaces. Touchy conditions at all elevations.
Strong W winds are developing wind slabs on lee aspects and will be sensitive to human triggering.
Currently a cycle of loose wet avalanches is occurring at all elevations in steep terrain.  This should decrease as temperatures cool by Saturday and the snowpack tightens up.  Until things cool down travel in avalanche terrain is not recommended.
At higher elevations on N aspects soft slabs are forming with continued moderate W winds.  We may see new slabs form over the next few days as freezing levels drop and new snow arrives.  Use caution when entering wind affected terrain.
70 cm of new snow has fallen in the Icefields area in the past 48hrs. This snow has formed stiffer wind slabs in the alpine than at treeline. Near treeline the slabs are softer and less sensitive to triggering. Moderate shears were recorded at 2450m.
Quantities of loose snow plaster steep cliffy terrain which is often encountered in and around ice climbs. With sufficient volume there currently to produce sizable avalanches, and more on the way, you would do well to avoid this terrain.
A storm that started on Wednesday has brought  40-60cm of high density new snow with strong winds and rising temperatures. This has formed avalanche conditions.
Thick soft slabs are developing with continued moderate to strong SW winds.&nbsp; Slabs are thickest and most easily triggered just below ridgelines.&nbsp; Slab avalanches can possibly trigger large, full snowpack avalanches on thin snowpack slopes.
More than 80 cm of new snow has fallen in the Icefields area since Wednesday.  This snow is settling to form soft slab conditions on sheltered alpine and treeline slopes.
Last weeks warm and wet storm rapidly deposited 50-60cm of heavy, moist snow at treeline. This was deposited on low density snow sitting on a crust and or surface hoar and is bonding poorly. At lower elevations, rain saturated the upper snow.
It will likely take a large trigger, like a cornice fall or another avalanche to trigger the surface hoar/crust layer from February down 1-1.5m. If triggered, however, the resulting avalanche would be very large and destructive.
Sustained S-SW winds have been forming windslabs on lee terrain above treeline. In these areas, deeper pockets of loaded snow will be more easily triggered.
Storm slabs 40-60cm thick are widespread at upper elevations.  Natural activity has tapered off, but these are still sensitive to human triggering.
Another 20 cm of snow is expected overnight, adding to the 80 cm that has fallen since  Wednesday.  This new snow will come in with light north winds and rest on previous wind slabs.  
There will be 20-50 cm of unconsolidated storm snow on and above ice climbs.  This snow will be susceptible to solar, wind and human triggering forming loose snow avalanches.  Quantities will be large enough to knock climbers off their route. 
Last weeks storm rapidly deposited 50-60cm of heavy, moist snow at treeline. This was deposited on low density snow sitting on a crust and/or surface hoar and is weakly bonded. At lower elevations, rain saturated snow will have refrozen.
10-20 cm of snow arrived last night with steady strong N winds. 80-100cm cm has fallen since Wednesday. This was the first real wind and many slopes appear to have a soft slab at exposed treeline and alpine locations. Reverse loading occurred.  
There remains 20-50 cm of unconsolidated storm snow on and above local ice climbs.  This snow is susceptible to solar, wind and human triggering forming loose snow avalanches of significant mass.  Enough to knock climbers or skiers off their route. 
Recent storm snow has created a touchy slab condition in all open areas. Easy triggering of slabs is expected.
Cornices are very large and unstable due to recent loading and high humidity. Natural and human triggering is likely
A buried rain crust is providing an ideal bed surface for new snow avalanches below 2000m. There's around 30cm overtop and was really reactive yesterday to rider triggering with wide propagation, running far and fast.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.
It will likely take a large trigger, like a cornice or another avalanche to trigger the surface hoar/crust layer from February down 1-1.5m. The resulting avalanche would be very large and destructive if triggered.
Storm snow accumulations since last Tuesday have been 60-80 cm or more. Both northerly and westerly winds with the storms have created storm slabs on most aspects. Touchy conditions and potential for large avalanches persist.
The cornices are very large and touchy with recent high humidity and winds. Avoid lee slopes beneath them.
In shallower areas east of the divide deep slabs have been observed failing on the lower facetted snowpack
80-100cm cm has fallen since Wednesday with initially strong N winds that shifted to moderate Westerly. Slopes below ridgelines have a soft slab developing yet remains spotty. Many gullies were reverse loaded. Wind transport is occurring in alpine. 
There remains unconsolidated storm snow on and above local ice climbs. It is is susceptible to solar, wind and human triggering forming loose snow avalanches of significant mass. Enough to knock climbers or skiers off their line.
Moderate to strong winds are building windslabs on N &amp; E aspects at treeline and above.  Tuesday might be a bit of a break but with more snow forecast for Wed windslabs will continue to be a concern. Use caution when entering wind affected terrain.
Convective snow flurries with strong winds yesterday added load to the storm slab problem above treeline. Below 2000 meters, a buried rain crust is providing an ideal bed surface for new snow avalanches at lower elevations.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.  Cornices are growing larger.
100cm cm has fallen since March 13. Initially strong N winds reverse loaded many slopes but now has shifted to moderate Westerly. Soft slabs are developing below ridgelines yet remains spotty in many zones. Wind transport is occurring in alpine. 
There remains allot of unconsolidated storm snow available. It is is susceptible to solar, wind and human triggering forming loose snow avalanches of significant mass. Enough to knock climbers or skiers off their line particularly when its moist..
Another 8-10cm of snow overnight has added load to last weeks storm interface.  More snow, moderate winds and warm temps today will add to this problem, especially on solar aspects where buried suncrusts are providing good failure planes.
Isolated wind slabs in the alpine and near ridge crests surprised a few skiers yesterday.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Expect new soft slabs to develop tonight and expect some reverse loading onto South aspects towards the end of the storm.&nbsp; Existing storm and wind slabs are 30-80 cm thick  Tonight's storm will add stress to the underlying weaknesses.
In shallow snowpack areas, especially East of the divide, the storm snow and wind slabs overlie a weak faceted mid-pack.&nbsp; Avalanches triggered in this region may steep down to ground.
Many large cornices loom overhead in the region.  Be mindful of  overhead hazards, especially during strong solar periods or during/after recent snowfalls and wind loading.
Deep windslabs continue to develop.  Previous winds from the north and south will be replaced by gusty moderate west winds overnight.  Because of this loading pattern, expect slab conditions on a wide variety of aspects.
Multiple convective storms and frontal systems continue to add incremental load.  The reactivity of the storm slabs is variable.  We know that solar aspects are most reactive due to buried crusts, and north aspects received most load.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Windslabs continue to develop with 90cm of snow since March 13. North winds with the storm reverse loaded gullies and now steady moderate west winds load N and NE aspects. Expect slab conditions on a wide variety of aspects continuing to develop.
Slabs up to 60cm thick are slowly bonding to the old surfaces. These will be more sensitive to triggering from thinner areas East of the divide, but are present everywhere. Solar aspects over all regions will have these slabs sitting over sun crust.
We have been seeing activity on the basal facets East of the divide over the recent week.  One report of a sz. 3 remote triggered in the observation peak area. 
Some large diving boards have been seen to fail in the last few days which will be augmented this weekend with solar input.
Moderate West winds are building windslabs on N &amp; E aspects near ridge crests in open areas treeline and above. These slabs are currently thin and spotty near treeline but will be more developed above. We would expect these to settle quickly and bond
New snow is reactive to rider triggering.  Use caution in steep terrain and unsupported features.  Avalanches with large consequences may run on solar aspects. A sun crust is present down 30 cm.  Northerly aspects with wind loaded snow may be touchy.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These failures could break down to deeper instabilities. Cornices are very large and unsupported.
The 90cm of snow since March 13 has generally melded with the snowpack making for a deep persistent slab. North and South winds have this present on a variety of aspects overlying weak basal facets. Cornice failures can trigger this in a big way.
Watch out for thin areas especially East of the divide where it is possible to trigger or remote trigger deep slabs on basal facets or crusts.  Be conservative with terrain choices in bigger terrain.
New windslabs have formed on lee aspects, much thicker West of the divide where more new snow has fallen. Up to 40cm was reported over the last few days in Yoho, followed by a wind event on the 21st. Crown depths of 60cm reported there, 
Last week's 90cm of snow has generally bonded with the snowpack.&nbsp; North and South winds produced a thick slab on a variety of aspects overlying weak basal facets. Cornice failures can trigger this in a big way.
Watch out for thin areas especially East of the divide where it is possible to trigger or remote trigger deep slabs on basal facets or crusts.? Be conservative with terrain choices in bigger terrain.
New windslabs have formed on lee aspects, much thicker West of the divide where more new snow has fallen.
There have been a number of cornice falls observed over the last week, some triggering deep storm slabs beneath. Be aware of what is above you.&nbsp;
Look up lots today and avoid slopes with cornices above them. Cornice failures are expected due to daytime warming or by people traveling along ridges. A section of cornice hurtling down slope is a real concern, it may also trigger slab avalanches.
It may take a while for temps to warm up today, but when they do loose avalanches are possible due to strong solar. This is especially likely on steep solar aspects and around cliff and rocky outcrops. Loose avalanches may trigger deeper slabs.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These likely exist in steep, aggressive terrain where even a small avalanche could have severe consequences.
The March 13 90cm of snow has melded with the snowpack making for a deep persistent slab. North and South winds make it present on a variety of aspects overlying weak basal facets. Cornice failures can trigger this in a big way.
Cornices will become increasingly prone to failure as the days get warmer. They are a hazard in themselves plus their failure is a large trigger which may initiate large avalanches potentially running full path. Watch what's overhead. 
There have been a number of cornice falls observed over the last week, some triggering deep storm slabs beneath. Be aware of what is above you. 
Slopes receiving direct sun become more reactive during the day with warming. This is especially likely on steep solar aspects where buried crusts exist. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
In shallow snowpack areas, particularly east of the divide, whumphing is showiing that remote triggering or triggering is still a possibility. Lower angle well supported slopes are the best terrain choice.
The windslabs seem to have mainly settled, but smaller avalanches with high consequence are still possible in steep open terrain.
There have been a number of cornice falls observed over the last week, some triggering deep storm slabs beneath. Be aware of what is above you.?
This continues to be the main concern with last week's avalanche activity showing deeper slabs that  were sliding full depth on weak facets and in windloaded gully features on  predominantly Northeast through to Southeast aspects. 
Cornices will become increasingly prone to failure as the days get warmer.    A cornice failure could provide a heavy trigger for an avalanche on the slopes below.  Pay attention to what is above you and the temperatures during the day.
Wind slabs may be present in isolated locations at tree line and above.  In most places these wind slabs are bonding well to the surfaces below but assess this bond carefully before entering steep or committing terrain.
With mild temperatures forecast we may see cornice failures over the next several days.  These are large triggers and have the potential to create larger avalanches.&nbsp; Minimize your exposure to slopes with cornice hazard, especially when it is warm.
As the daytime temperatures rise we may see loose wet avalanches on steep solar aspects especially if dark objects like rocks and trees are present on the slopes.  Travel early on steep solar aspects and pay close attention to daytime temperatures.
Cornices are large and unsupported. Wide fluctuations in diurnal temperatures is likely increasing their fragility.  Ski tracks on the Sifton Traverse yesterday passed within arms reach of van-sized cornice chunks, with densities of ice.  Yikes!
In shallow snowpack areas, particularly east of the divide, whumphing has subsided.  However, recent avalanche activity from cornice falls and warm temperatures shows it is still a layer to be respected.
There have been a number of cornice falls observed over the last week, some triggering deep storm slabs beneath.&nbsp; Cornices are large at this time of year and have a higher potential to fall down on warm days.
This continues to be the main concern with last week's avalanche activity showing deeper slabs that were sliding full depth on weak facets and in windloaded gully features on predominantly Northeast through to Southeast aspects.
Cornices will become increasingly prone to failure as the days get warmer. A cornice failure could provide a heavy trigger for an avalanche on the slopes below. Pay attention to what is above you and the temperatures during the day.
The sun is warming the rocks on steep rock cliffs and gully features on Southerly aspects. Loose snow avalanches are starting in these features at all elevations later in the day. Cloud cover will determine if this occurs during the day.
Cornices are large and unsupported. Wide fluctuations in diurnal temperatures are increasing their fragility.  If the cornice doesn't get you, the resulting avalanche may.  Reports of cornice triggered slides to size 4.5 have been reported!
PWL's are becoming stubborn, but should not be discounted.  Slopes receiving direct sun become more reactive during the day with warming. This is most likely on steep solar aspects where buried crusts exist, but northerly aspects are not immune.
Occurring in the afternoons,  activity has been mainly isolated to very steep slopes at treeline and below.  As freezing levels rise over the next few days, we should start to see more natural avalanches occurring in the alpine.
In shallow snowpack areas, particularly east of the divide, whumphing has subsided. However, recent avalanche activity from cornice falls and warm temperatures shows it is still a layer to be respected.
Cornice failures have increased in number as the freezing levels rise. They may trigger an avalanche, or be an avalanche themselves in couloirs.
Cornices are large and unsupported. Wide fluctuations in diurnal temperatures are increasing their fragility and very warm afternoon temps will make them weaker.  Cornice triggered large avalanches are possible. 
Occurring in the afternoons, activity has been mainly isolated to very steep slopes at treeline and below.  Higher freezing levels Friday may bring more activity in the alpine.
Large triggers such as cornice fall has triggered this weakness. We expect to see large avalanches on steep slopes with warm temperatures rising into the alpine and intense solar radiation.
Warm alpine temperatures will weaken the large cornices out there. Large loads have the potential to trigger the persistent slab weakness on loaded lee slopes.
Cornices are large and unsupported. Large swings in day/night temperatures increases their fragility. Very warm afternoon temps will make them weaker. Cornice triggered large avalanches are possible.
Buried weak layers are stubborn to fail, but should not be discounted. Slopes receiving direct sun become more reactive during the day with warming. This is most likely on steep solar aspects where buried crusts exist.
As the daytime temperatures rise we may see loose wet avalanches on steep solar aspects especially if dark objects like rocks and trees are present on the slopes. Travel early on steep solar aspects and pay close attention to daytime temperatures.
With warm temperatures and clear skies in the forecast, expect continued  cornice failures. These are large triggers and have the potential to create larger avalanches.  Minimize your exposure especially during rapid warming as the sun comes out.
Wind slabs have developed in most open areas tree line and above. In most places these wind slabs are bonding well to the surfaces below but assess this bond carefully before entering steep or committing terrain.
Occurring in the afternoons, activity has been mainly isolated to very steep slopes at tree-line and below. Higher freezing levels this weekend may bring more activity in the alpine.
In shallow snowpack areas, particularly east of the divide, whumphing has subsided. However, recent avalanche activity from cornice falls and warm temperatures shows it is still a layer to be respected, especiallly on solar aspects
Large triggers such as cornice fall can triggered this weakness. Large avalanches on steep slopes are possible as warm temperatures are expected in the alpine and solar radiation will be intense.
The sun will be strong again today. Avoid terrain traps, especially below treeline, where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
Cornices are large and unsupported. Large swings in day/night temperatures increases their fragility. Cornice triggered large avalanches are possible.
Occurring in the afternoons, activity has been mainly isolated to very steep southerly  slopes at tree-line and below. Higher freezing levels this weekend may bring more activity in the alpine.
Cornice failures have increased in number as the freezing levels rise. They have been  triggering some slab avalanches, or have enough mass themselves to be a significant avalanche.
Large triggers such as cornice fall can triggered this weakness on polar aspects. Large avalanches on steep south to west slopes are possible as warm temperatures are expected in the alpine and solar radiation will be intense.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
Cornices are large and unsupported. They are more likely to fail with solar warming, and may trigger deeper slabs.
Large triggers such as falling cornices can triggered this weakness on solar aspects. Large avalanches on steep south to west slopes are possible as warm temperatures are expected in the alpine and solar radiation will be intense.
Today there were many more loose wet and wet slab avalanches as the freezing level rose and there was less overnight freeze. Timing is critical to travel while crusts are intact and remember what may be happening in the sun above you.
Cornice failures have increased in number as the freezing levels rise. They have been? triggering some slab avalanches, or have enough mass themselves to be a significant avalanche. Be aware of what is over your head.
Both loose wet and wet slab avalanches have been observed on most solar aspects up to size three. Beware of sun exposed slopes after mid-day.
Cornice falls have been observed nearly every day. Some of these have been triggering slabs on the faces below. Many have run over usual travel routes.
With no refreeze overnight at 2100m, it will not take long for direct solar radiation to trigger avalanches on sunny aspects.
Over the past several days a spring time isothermal cycle has resulted in numerous loose wet snow avalanches up  to Class 3  on steep solar aspects in the afternoon.
  Over the past several days a spring time isothermal cycle has produced numerous wet slab avalanches up to Class 3  on solar aspects in the afternoon.
These heavy and unstable features can fall unexpectedly triggering deep large avalanches. These are commonly, but not exclusively,  found above east facing slopes at ridge top elevations.
With no refreeze overnight at 2000m, expect avalanche conditions where the snowpack is soft and isothermal.
Cornices are large and unsupported. They are weak from the warm temperatures, and if they fail, may trigger deeper slabs.
Depending upon the inputs of heat from rain or sun this activity can be expected everywhere. Travelers must carefully monitor surface conditions and be clear of slopes before crusts break. Use extra caution if there is moist snow over buried crusts.
With warm temperatures, solar heating, or rain to upper elevations cornice failures will occur. These are large triggers and have the potential to create larger avalanches. Minimize your exposure especially during rapid warming.
Shallow snowpack areas hold weak mid and lower layers. These areas will be more susceptible to failure with heating but have failed with large loads (such as cornices or loose avalanches) acting as the trigger.
These heavy and unstable features can fall unexpectedly triggering deep large avalanches. These are commonly, but not exclusively, found above east facing slopes at ridge top elevations.
Loose snow avalanches can still be expected on solar aspects with day time heating. Minimal freeze overnight means crusts are not as strong and will break down sooner in the day.
Wet snow slab avalanches are still a concern with day time heating. Moist snow under the crusts means that any slide triggered has the potential to step down to ground. Large avalanches are still possible. See forecast details.
With only a gentle refreeze overnight, expect avalanche conditions when daytime heating melts the crust, and the snowpack becomes soft and isothermal. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Loose snow avalanches are still possible on solar aspects with day time heating. Monitor how well developed the crusts are in the morning and pay attention to how quickly the crusts are breaking down.
With up to 20cm of new snow due tonight and tomorrow along with moderate SW winds we are anticipating soft storm slabs to be forming at upper elevations. Slab bonding is expected to be touchy on the current sun and temperature crusts.
These heavy and unstable features can fall unexpectedly triggering deep large avalanches. With snow and SW winds forecast the significants and impact of these features should not be overlooked.
Rain and heavy wet new snow will cause avalanche triggering in the upper layers of the snow pack. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Cornices are large and unsupported. They are weak from the warm temperatures, and the warm wet new snow. If they fail, they may trigger deeper slabs.
With little overnight freeze at lower elevations, watch for loose wet avalanches below treeline on all aspects, and solar aspects at treeline and above.
  This will be more prevalent at lower elevations due to lack of freeze, but if the sun pops out Saturday, there is the potential for deeper releases as the day warms up.  Cornices will act as an ideal trigger.
Touchy storm slabs have been reported Friday.  Check for the bond of any new  slabs to the surfaces below. This condition should improve over the new couple of days as freezing levels drop.
Additional snow coming overnight may provide the load to start a slide on this layer.  Slab bonding is expected to be touchy on the current sun and temperature crusts.  Expect to see this type of activity in steep rock gullies.
These heavy and unstable features can fall unexpectedly triggering deep large avalanches.  Pay attention to overhead hazards when selecting your up track  and your descent route.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Up to 15 cm of new snow at treeline and above could be rider triggered.&nbsp; Watch for this snow to have formed a slab of denser snow.&nbsp; Especially on leeward features in open terrain.
Overnight snow accumulations may provide enough of a load to initiate slides on the temperature crust. Incoming North winds may load South aspects where this crust is well formed. Assess bonding of the new snow before committing.
These heavy and unstable features can fall unexpectedly triggering deep large avalanches.  Daytime heating can increase the potential for their failure.
Below treeline expect near isothermal conditions with little freeze.  At treeline and above, natural loose wet avalanches will occur if the sun comes out and the day heats up.
Storm slabs will heal with lowered freezing levels, but are still triggerable, especially where they overly harder crusts. See avalanche discussion.
The highest likelihood for deep wet slabs is from daytime warming on solar aspects,  especially from thin areas where slabs overly facets or depth hoar. 
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger. Use caution in terrain with loose unconsolidated snow.
Up to 20 cm of new snow in the alpine  could be rider triggered.  Watch for this snow to have formed a slab of denser snow.  Use caution on lee features in open terrain.
Cornice are large on many ridgelines in the park.  A cornice fall could trigger a slab avalanche.  Minimize your exposure to this hazard, especially in the afternoon as temperature rise.
This is less of a concern with cooler temperatures but increases its probability if the sun comes out. New snow rests on a buried smooth temperature crust particularly on South aspects. The surface snow can quickly become wet and active with heat.
These heavy features can fall unexpectedly triggering deep large avalanches. Select your route to avoid these features. Probability of cornice failure increases with daytime heating and sun.
Below treeline expect near isothermal conditions with little freeze. At treeline and above, natural loose wet avalanches will occur if the sun comes out and the day heats up.
The highest likelihood for deep wet slabs is from daytime warming on solar aspects, or from periods of rain, especially from thin areas where slabs overly facets or depth hoar.
Moderate to strong N-NE winds overnight will have loaded slopes that are typically on the windward side. 
Buried crusts and surface hoar layers in the upper meter of the snowpack may be reactive to a rider triggering from shallow areas where the snowpack is weak.
Cornices are big, heavy and losing strength this time of year.  Give them the respect they deserve by minimizing exposure time beneath them and staying well back from wind exposed ridge crests.
This layer will likely be most reactive to human triggering where it sits on a buried crust (solar aspects) or in areas that have received wind effect. We may see some natural activity on this layer when the sun comes out and destabilizes it.
Wind slabs have been observed at upper elevations and may catch a rider off guard. N-NE winds have prevailed in the last 48hrs loading slopes that are typically on the windward side.
Buried crusts and surface hoar layers in the upper meter of the snowpack may be reactive to rider triggering from shallow areas where the snowpack is weak.
The forecasted precipitation, winds, and increased temps will create new storm and windslabs that will be most reactive during the storm. Natural activity will decrease once the system passes, but the newly formed slabs will take a few days to settle
Increased winds today caused numerous loose dry avalanches in steep alpine terrain. Forecasted new snow, winds and warming temps will increase activity in this terrain. This is of particular concern for climbers or skiiers entering steep couloirs.
Up to 25 cm of storm snow accompanied by strong SW winds will build slab conditions on the smooth sliding surface formed by previous temperature crusts on lee treeline and alpine slopes.
Cornices are big and will continue to build with the forecasted weather.&nbsp; Minimize your exposure time beneath them and staying well back from wind exposed ridge crests.
Hard and Soft Slabs were observed in the alpine, near ridge crests and on convexities, all aspects.  Additional snow and wind today will add to this problem
Weak shallow areas are most sensitive.  The character is stubborn to trigger, but seems to result in wide propagations (big avalanches), and is susceptible to remote triggering. 
10 cm of storm snow accompanied by strong SW winds have built stiff slab conditions on the smooth sliding surface formed by previous temperature crusts on lee treeline and alpine slopes.
Cornices are big.  Minimize your exposure time beneath them and staying well back from wind exposed ridge crests.
Increased winds today caused numerous loose dry avalanches in steep alpine terrain. Forecasted new snow, winds and warming temps will increase activity in this terrain. This is of particular concern for climbers or skiers entering steep couloirs.
40 cm of heavy moist storm snow overnight with steady south winds has created slabs at and above treeline.  This layer will be touchy today, especially as temperatures warm up.
Weak shallow areas are most sensitive.  The character is stubborn to trigger, but seems to result in wide propagations (big avalanches), and is susceptible to remote triggering.
Isolated soft slabs in the immediate lee of alpine features were reported in the Lake Louise area, as well as up 93N. 10-15cm thick slabs were touchy and propagating upwards of 20m from skiers/riders.
Fast sluffing of the storm snow on underlying crusts was reported in the Sunshine area today. This is a definite concern for skiers and climbers in gully/couloir features.
The combination of westerly winds, new snow, and higher humidity values has allowed some rapid growth of cornices along ridge-line features. These will be touchy if the strong, spring sunshine hits them Friday morning.
Recent winds have formed new windslabs on lee aspects below ridgecrests above treeline.  These slabs are roughly 10-15cm thick, and where they are sitting on previous crusts may be reactive to skier traffic.
Several cornice failures were observed in the past 48hours and some of these did trigger storm slabs on the slopes below up to size 2. 
Recent snowfall came in warm and stuck to steep rock and ice.  This terrain will shed this snow with daytime heating.
New, storm snow can be skier triggered.  Up to 70 cm of storm snow has created a slab on top of a crust.  Below treeline this snow is moist.  Treeline and above, south winds have loaded lee features.
Weak shallow areas are most sensitive. The character is stubborn to trigger, but seems to result in wide propagations (big avalanches), and is susceptible to remote triggering.
The primary concern is where new storm slabs are sitting on previous crusts,in which case they may be triggered by light loads. Existing windslabs on lee aspects will also become more sensitive to triggering with the increased load from the new snow.
Several cornice failures were observed in the past 48 hours and some of these did trigger storm slabs on the slopes below up to size 2.
Watch for isolated soft slabs in the lee of alpine features.  These were obvious to see and avoid today, but will be blanketed by new snow tonight.  Moderate to strong southerly wind tonight and north wind tomorrow add to the current slab condition.
Loose snow avalanches involving the storm snow running underlying crusts can be expected to accompany snowfall and increase in winds forecasted for tonight and tomorrow.  This is a definite concern for skiers and climbers in gully/couloir features.
An additional 10cm of new snow on top of the previous 35cm. This 45cm storm slab sits on a thick crust that could provide a good bed surface for an avalanche where the slab has not yet had a chance to bond to it.
Expect sluffing in steep terrain today and watch for terrain traps where a small avalanche can result in big consequences.
With mild spring temperatures and variable winds, new snow quickly settles into a slab. With sun and temperature crusts as a firm bed surface the bond of this new snow should be examined carefully before committing to steep or unsupported terrain 
New snow from recent and incoming storms will fail easily in steep terrain with skier traffic and naturally from extreme terrain. With underlying crusts these events may travel  a long distance and gain mass. Manage your group carefully.
Winds have formed windslabs on lee aspects below ridgecrests above treeline. These slabs are roughly 10-15cm thick sitting on previous crusts. It is possible to initiate from skier traffic where its bonded poorly to the underlying crust.
Cornices are large and a hazard by their sheer mass. They can also be a significant trigger to deeper layers if they drop. Several failures were observed in the past 72 hours. Some triggered storm slabs on the slopes below up to size 2.
Watch for isolated soft slabs in the lee of alpine features.? These were obvious to see and avoid today, but will be blanketed by new snow tonight.?
Loose snow avalanches involving the storm snow running underlying crusts can be expected to accompany snowfall and increase in winds forecasted for tonight and tomorrow.? This is a definite concern for skiers and climbers in gully/couloir features.
Another 10cm overnight at tree line and above with reverse wind loading patterns. Storm snow instabilities and wind slab will exist at higher elevations before things have a chance to settle out.
Loose snow sluffs can gain mass in steeper terrain catching a rider off guard today. Be mindful of terrain traps (e.g. gullies, cliffs) where small avalanches can be more serious.
Infrequent large avalanches have occurred on deeper instabilities. Shallow, rocky areas where the snowpack is thin and weak are most likely where they will be triggered.
Winds continue forming windslabs on lee aspects below ridgecrests. These slabs sit on previous crusts. Suspect it remains possible for a skier to initiate this slab where it bonds poorly to the underlying crust. N winds reverse loading pockets.
Cornices are large being a hazard by their sheer mass. They can also trigger deeper layers if failure occurs. Several cornice failures were observed last week. Some initiated storm slabs and a few deeper releases. 
Watch for isolated soft slabs in the lee of alpine features. These slabs are now hidden, since they have been buried by last nights snow fall (&lt;10cm)
Easterly wind (reverse from the usual) and light snow fall amounts will load 'low snow' areas and create a condition for dry loose snow avalanches. This is mostly a concern for riders and climbers in gully/couloir features in the alpine.
40-50cm of storm snow is being transported by variable winds. N'ly winds have reverse loaded solar aspects and may bond poorly where buried sun crusts exist. The wind is also building large, unsupported cornices.
Windslabs can be found on lee aspects in exposed terrain around ridgecrests. Where these slabs sit on previous crusts, the likelihood of a skier triggered avalanche increases.
Cornices are large and are a hazard by their sheer mass. They can also trigger deeper layers if failure occurs. Several cornice failures were observed last week - some initiated storm slabs and a few deeper releases.
Watch for isolated soft slabs in the lee of alpine features. These slabs may be hidden by recent light snowfall.
More snow is expected today increasing the avalanche hazard. A new surface hoar layer is down around 20cm under this new snow. It has widespread distribution and will be easily triggered by riders under this new load.
A surface hoar layer buried down 50-110cm at the higher elevations is within the range of rider triggering.
Hard wind slabs pressed into lee and cross loaded features at tree line and above.
4cm thick rain crust found below tree line and up to 2700ms. No new avalanches have been observed on this layer.
Areas that do receive significant precipitation in the next 24 hours will see sluffing in steep alpine terrain.&nbsp; This will likely be limited to the Eastern slopes and mostly a concern for ice climbers.
Lee alpine slopes have lingering wind slabs that may be reactive to skier traffic. Probe for evidence of wind slabs over weak facets and use caution in this type of terrain. Areas that receive significant snow will also have new wind slabs forming.
Winds are expected to increase today, expect soft slabs at higher elevations that will be easily triggered by riders as sits is over a surface hoar layer. Lower down sluffs can gain mass and have larger consequences than expected.
A surface hoar layer down 60-120cm will have large consequences if triggered by a rider. Avoid shallow snowpack areas where triggering this layer is more likely.
Light new snow coupled with gusty N-NE wind has caused some sluffing in steep terrain in the Eastern part of the region.&nbsp; It's mainly a problem for ice climbers.&nbsp; Winds expected to be moderate again on Tuesday.
Lee alpine slopes have lingering wind slabs that may be reactive to skier traffic. Probe for evidence of wind slabs over weak facets and use caution in this condition exists.&nbsp; Recent new snow may have added to this condition.
The winds have picked up from the passage of yesterdays storm from the east and the north. Expect south and west aspects to be wind loaded which is not typical of what we normally see in this area.
Our latest surface hoar/crust layer is down under 30 to 40cm of storm snow. Consequences of triggering will increase as the slab strengthens over time.
A surface hoar layer down 60-110cm is in the range of rider triggering or can be triggered by the weight of smaller avalanches . Avoid shallow snowpack areas where triggering this layer is more likely.
Reverse loading has also created new slabs on southerly aspects.
The October melt freeze crust and basal depth hoar are a concern and avalanches may step down to basal layers.
there is still a chance for significant sluffing with the new storm snow. Be aware of loading on S aspects with northerly winds.
Surface slabs have stiffened with wind-effect and cooler temperatures. These slabs appear to be touchy and are well within the range of skier-triggering. Northerly winds have reverse-loaded alpine and tree-line lee areas.
The surface hoar buried earlier this month is slowly decomposing, but could be reawakened by surface slabs overloading it.
Higher elevation, lee slopes and gully feature areas may have developed wind slabs during the storm that came in from the north. Evaluate the snowpack for stability prior to stepping into it. Limited field observations thus far this season.
The October melt freeze crust and basal depth hoar are a a concern and avalanches may step down to basal layers. This is primarily a concern on steeper features especially if they are windloaded.
Reverse loading has created new slabs on southerly aspects. Although less reactive with the colder temperatures, watch out for lingering wind slabs on N-NE aspects.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off.&nbsp; Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
A variety of weak surfaces, including widespread surface hoar and sun crust on steep solar aspects, make this persistent slab tricky. It may be stubborn to trigger but recent avalanches on this layer have been large and propagated widely.
Isolated wind slabs on lee and cross loaded features
The basal weakness of depth hoar or crust is the major weakness in the snowpack and any avalanche will likely fail on, or step down to this layer. Triggering on steep open slopes is still possible.
Recent storm snow was moved around by northerly winds and isolated wind slabs can be found on all aspects at and above treeline. Use caution&nbsp; in steeper wind effected areas.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off. Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
A layer of concern exists down 30-40 which consists of widespread surface hoar and sun crust on steep solar aspects. It may be stubborn to trigger but recent avalanches on this layer have been large and propagated widely.
Only on very steep slopes will there still be any sluffing.
Northeast winds during the storm have build windslabs in unusual locations. If ridgetop winds increase on Sunday as forecast more windslabs will develop.
Recent storm snow was moved around by northerly winds and isolated wind slabs can be found on all aspects at and above tree line. Use caution in steeper wind affected areas.
The basal layers of depth hoar and/or the October melt freeze crust are the major weakness in the snowpack and any avalanche will likely fail on, or step down to these layers. Triggering on steep open slopes is still possible.
Strong southerly and northerly winds transported snow to many aspects earlier this week. Watch for windslabs in unusual areas due to reverse loading.
A weak layer is buried down 30-40 cm. On steep solar aspects it will be marked by a sun crust. Large avalanches have occurred on this layer in the last week.
Variable wind slabs exist throughout the landscape.
Observations are very limited leading to uncertainty for the potential to trigger this layer.
In the alpine some small wind slabs from previous strong winds may be present.
The main weaknesses in the snowpack continue to be the basal facets and the October 27th melt freeze crust. No recent failures on these layers have been observed however the potential for full depth releases still exists in some alpine locations.
Variable windslabs continue to form with moderate to strong winds. Be observant where this slab is building.
Observations are limited for this layer. If triggered, it has the potential to scrub to ground increasing the consequence.&nbsp; &nbsp;
Winds continue to develop this condition. Variable thicknesses depending on aspect and elevation.
Observations are limited on this layer leading to uncertainty for the potential to trigger. Basal facetting process continues to weaken base.
Variable wind slabs in hardness and thickness are now buried under the new snow and will be more difficult to identify. These were observed throughout the park in exposed areas.
The surface hoar layer down 50-100cm remains a concern. Triggering this layer is most likely in and around shallow snowpack areas.
It would be possible to trigger an avalanche in open, unanchored lee terrain. Slabs will continue to develop through the week.
Moderate west winds are creating small windslabs on lee aspects. Although there is not much snow to move around, this may be a problem for ice climbers in terrain traps or terrain above cliffs.
Facet avalanches are possible in steep terrain. Extra caution to ice climbers in steep gullied terrain where there is no cohesion in the snowpack.
25cm of new snow sits over a newly buried surface hoar layer down low and wind slabs up high. Riders should&nbsp; expect sluffing in steep terrain that could reach down into deeper unconsolidated layers and gain mass.
Variable hard and soft wind slabs from last week are now buried down 25cm.
The surface hoar layer from mid November is buried down 60-110cm. Triggering this layer is most likely in and around shallow snowpack areas with large consequences.
Observations are limited on this layer leading to uncertainty of it's triggering potential. Basal facetting process continues to weaken overall strength. Recent avalanches may indicate it is waking up slowly.
Recent North winds are loading South aspects. With winds and snow loading, this layer has the potential to increase sensitivity to triggers.
The biggest concern right now are isolated wind slabs in lee alpine terrain. Although no recent natural activity has been reported these wind slabs may be triggered by skiers or climbers.
The new, low density snow overlies a loose, facetted upper snowpack. Skiers and riders should expect fast sluffing in steeper terrain, which may gain mass if it entrains the underlying facets.
Variable soft and hard wind slabs are buried 25-30cm below the surface.
The surface hoar layer from early November is buried 60-100cm below the surface. It is most likely triggered in shallow snowpack areas. If it does start to move, expect a large avalanche with nasty consequences.
Soft slabs exist in wind loaded areas. The failure layer is believed to be a rain crust near the base of the snowpack. Failures on this layer quickly step to ground and have been observed up to 2,800 meters this week.
Strong winds near ridge tops have loaded depressions and shallow terrain features with slab snow. Steep and unsupported terrain with terrain traps below are high risk areas.
This layer is a concern in isolated areas loaded by wind. These slabs sit on a weak facetted base. There has been no recent natural avalanches on this layer but it still may be triggered by skiers or climbers.
With winds from the SW picking up today and a large amount of light snow to transport, we expect soft slabs to develop in lee features at and above tree-line.
Surface snow has been seen to be sluffing fast and entraining the underlying loose facets. Heads-up in gullies and above cliffs.
The early November surface hoar still lingers near the base of the snowpack. It may be triggered from areas with a shallow snowpack. If it does trigger, it could bring a large slide with it.
The base of the snowpack is weak and facetted. Above this the october rain crust represents a sliding layer. Failures when they occur can step to ground. This has been observed to 2,900m in the past 7 days.
Winds from both the south and north over the past 10 days have deposited soft slab conditions in the alpine near ridge tops and open features near treeline.
This layer is a concern in isolated areas loaded by wind.  These slabs sit on a weak facetted base. There has been no recent natural avalanches on this layer, but it still may be triggered by skiers or climbers.
Thin (10-15 cm thick) touchy,low density, storm slabs have been reported in the region on lee features.
Slabs are forming in over 40cm of storm snow.  Use caution in terrain over 30 degrees. Rider triggering is possible.  Fast sluffing is likely and will pick up large amounts of snow.  Avoid exposure to terrain traps.
Watch for soft slabs on lee features at and above tree-line. Large amounts of light snow will be transported by SW winds.
A weak layer buried in early November is present at the bottom of the snowpack. If you are able to trigger the weak layer, a large consequence avalanche will result.
Thin new windslabs exist on steep lee features at TL and above. These slabs are sensitive to  triggering, and may step down to the basal depth hoar once triggered. Be aware of the potential for wind to trigger avalanches above climbing routes.
The shallow early season snowpack has depth hoar and/or crust at the base and any triggered avalanche will likely step down and involve the entire thickness. A large avalanche with serious consequences is possible.
Wind loaded terrain features with enough snow to ski on may have this weakness in the snowpack.
Last week's Northerly winds may have developed slabs in unexpected locations on south aspects and terrain features. Evaluate the slope for where a small slide might sweep you down into rocky terrain.
Soft slabs are forming in over 50 cm of storm snow.  Use caution in terrain over 30 degrees. Small avalanches could trigger deeper instabilities.  Fast sluffing is likely and will pick up large amounts of snow.  Avoid exposure to terrain traps.
Watch of soft slabs on lee features at and above tree-line.  Large amounts of light snow will be transported by SW winds.
These slabs will be lurking in the areas that look appealing with the thin coverage: open areas on the lee of ridgelines and along the lee portions of lower elevation fan and gully features.
Strong to extreme gusting winds from the South through to the West will be developing additional windslabs on lee aspects at treeline and on lee terrain features in the alpine.
A small avalanche on a lee aspect may step down to this layer and could go to ground on the facets.
New snow and strong W winds are creating wind slabs in lee areas. Not much activity has been observed yet however the hazard is slowly increasing and these wind slabs have the potential to step down into the basal facets to create larger avalanches.
The base of the snowpack is still quite weak with the Oct melt freeze crust and basal facets still providing good sliding layers under the right conditions. Probe often for basal weaknesses and use caution in steeper terrain.
Over 50cm of storm snow has created soft slabs.  Use caution in terrain over 30 degrees.  Small avalanches could trigger deeper instabilities.
Watch for soft slabs on lee features at and above tree-line.  Large amounts of snow are being transported by moderate to strong SW winds.
Winds have been strong adding to this condition. Expect unusual locations for wind-slab development.
Initiating upper wind-slab layer has potential to step down deeper to this basal layer.
Moderate to strong W winds, mild temperatures and light snowfall are creating wind slabs in open areas at tree line and in the alpine which are beginning to fail naturally in steep alpine terrain and are susceptible to human triggering.
20-25cm of storm snow combined with mild temperatures and wind may start causing failures in the deeper basal facets or on the Oct melt freeze crust. Use caution in steep terrain.
As the storm continues to dump snow, with strong winds and warm temps, the storm slab is becoming deeper and more cohesive. There are reactive layers within and at the base of the slab that are likely to be triggered by skiers.
The storm has rapidly loaded slopes and may overwhelm persistent weak layers buried deeper in the snowpack. Very large avalanches will result if these layers are triggered.
Strong to extreme SW'ly winds will be forming windslabs and cornices at treeline and above.
A week of windy weather has stiffened the skiable terrain. Triggering may still be possible. Watch for these conditions in appealing looking open areas.
Continued snowfall and strong winds will create deep windslabs in most areas above treeline. Stay off steep, loaded slopes and climbers should avoid deep, avalanche prone gullies where spindrift is forming windslabs.
The base of the snowpack is weak and should not be trusted this early in the season. Avoid large open slopes in alpine and treeline areas.
Wind slabs will continue to develop with the new snow and gusting winds. The turbulent winds seem to constantly change direction and gusts are pushing into extreme wind speeds. Expect to find wind slabs in unusual terrain features.
Even a small wind slab avalanche has the potential to step down to this layer and to release the facets to ground.
55-60cm of storm snow in the past week with mild temperatures have created ideal slab conditions.
We have had strong winds during yesterdays storm leaving us with wind slabs at higher elevations.
Buried surface hoar down between 60-80cm with a recent significant snow load should remain a concern for rider triggering.
Winds gusting from all directions are redistributing the snow into the sheltered terrain features. Any slope is steep enough to slide and has enough snow to ski, should be evaluated for windslabs.
Any slope or terrain feature that was sheltered enough to hold snow in October could have this raincrust on it. Facets developing above and below this layer may cause even a small avalanche to step down to ground.
20-40cm storm snow over the past few days has been moved by strong westerly winds creating fresh, touchy slabs on steep lee features.
Many of the recent avalanches have been stepping down or failing at the base of the snowpack on the early season weak base..
This weeks storm deposited 80cm of snow under ideal slab forming conditions. This slab sits on a weaker surface that may be reactive to skiers and riders, and the slab is deep enough to produce large avalanches.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed windslabs at treeline and above.
Buried surface hoar down between 80 to 110cm with a recent significant snow load should remain a concern for rider triggering. These layers may also be triggered by other avalanches, producing very large avalanches.
Winds continue to build slabs on the lee aspects near ridgetops and on the lee side of terrain features at treeline and above. Anything line that has enough snow to ski on and is steep enough to slide should be evaluated for wind slabs.
The persistent slab consists of an October 27 raincrust with facets developing above and below it. It is sporadic in distribution, but even a small avalanche could step down to ground.
40-60 cm of storm snow has created touchy wind and storm slabs which are easily triggered and will likely step down to the basal weak layers.
The deep persistent weak layers (facets, depth hoar, and october rain crust) are waking up with the added load.&nbsp; Triggering this layer is likely and will result in large, destructive avalanches as seen in avalanche control work today.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed wind slabs at treeline and above. Wind slabs may be triggerable; watch for signs like cracking or hollow sounding snow.
The recent snow has tightened up into a slab. It sits on various weak crystals, like facets or surface hoar, that may be triggered by skiers. If triggered, avalanches may step down to deeper surface hoar layers resulting in very large avalanches.
Increased winds from the south and west have contributed to a new load on alpine lees.&nbsp;
A patchy rain crust continues to linger making stability suspect on features that hold early season snow.
Continuing winds acting on loose facets and the remaining storm snow are expected to maintain considerable hazard in the short term.
Loose snow can quickly pick up speed and mass in gullied terrain.
Previous strong winds have created wind slabs in lee slopes at treeline and above. Watch for signs of weakness, like cracking and hollow-sounding snow.
The recent snow has tightened into a slab. It sits on various weak crystals, like surface hoar and facets, that can be triggered by people. These avalanches may step down to deeper surface hoar layers, resulting in large avalanches.
There may be a number of windslabs on North and East slopes that have built during the wind events of the last week.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">Turbulent winds are redistributing snow into sheltered terrain features. Anything that is steep enough to slide and has sufficient snow to ski on should be evaluated for windslabs.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">The Oct 27 raincrust has a sporadic distribution. An avalanche on this layer could still step down to ground and have severe consequences.</span><span class="s_AA239
Firm, wind deposited snow has formed slabs in exposed terrain.&nbsp; Use caution in lee areas at treeline and above.&nbsp;
A weak layer is buried down around 80 cm.&nbsp; If triggered, a large, high consequence avalanche will result. Carefully evaluate big terrain features by digging and testing adjacent, safe slopes.
Avalanche activity continues to be sporadic on this layer. Watch for continued loading in alpine features above ice climbs and skier terrain.
The wind slab is highly variable across all slopes from breakable to bullet proof. Watch for continued loading in alpine features above ice climbs and skier terrain.
The snowpack is weak and should not be trusted. This is classic Rocky Mountain conditions, and is not expected to change in the near future. Settle in to this reality, and keep the terrain mellow over the next few days.
Wind slabs exits in open areas, but may be hidden beneath the soft surface snow. Enter leeward or cross loaded areas carefully, and from the side to check for the presence of surface slabs before committing.
A weak layer is buried down 60 to 90 cm. If triggered, a large high consequence avalanche will result. Carefully evaluate big terrain features by digging and testing adjacent, safe slopes.
Firm, wind deposited snow has formed slabs in exposed terrain. These slabs are now covered by 15 cm of new snow. Use caution in lee areas at treeline and above.
The Oct 27 raincrust has a sporadic distribution. An avalanche on this layer could still step down to ground and have severe consequences.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Recent turbulent winds&nbsp; have redistributed snow into sheltered terrain features. Anything that is steep enough to slide and has sufficient snow to ski on should be evaluated.
The snowpack is weak and should not be trusted. This is classic early season Rocky Mountain conditions, and it is not expected to change in the near future. Settle in to this reality, and stick to mellow terrain over the next while.
Watch for new wind slabs forming in open areas above tree line as well as old wind slabs which may be hidden beneath the recent snow. Check leeward or cross loaded areas carefully for the presence of wind slabs before entering these types of lines.
Snow load has been steadily increasing over the last few days. With rising temperatures, wind and more snow on the way, riders should expect to see snow slabbing up and becoming more reactive as the day progresses.
2 weak layers exist in the snowpack, these are down between 70 and 110cm. They could become reactive with this additional snow load having very large consequences if triggered.
The Oct 27 raincrust has a sporadic distribution. An avalanche on this layer could still step down to ground and have severe consequences. We have observed a few avalanches on this layer recently.
Recent turbulent winds have redistributed snow into sheltered terrain features. Anything that is steep enough to slide and has sufficient snow to ski on should be evaluated. Recent snow likely is hiding this problem.
Overall the snowpack is very weak, and full depth avalanches are likely to be human triggered in specific areas. Stick to low angled terrain without any overhead hazard, and try to avoid all avalanche starting zones under these conditions
Wind slabs may exist in some areas of wind loading at higher elevations. While these avalanches may be initially small, once started they have the potential to trigger a larger, deep slab.
Winds have picked up overnight with lots of snow available for transport. Use extra caution on lee and cross loaded terrain particularly near ridge crests
Storm snow amounts keep accumulating with another 12cm overnight. It will need some time for storm layers to bond.
2 weak layers exist in the snowpack, these are getting deeper as snow amounts increase. They are down between 70 and 120cm and will have devastating consequences if triggered.
Thin and soft slabs formed with recent snow and warm temperatures can be found almost everywhere. With time, the forecast West Winds will likely redistribute this snow to form wind slabs near ridgelines and in gully features.
Field team in the Bald Hills area observed debris from a full depth avalanche which occurred in the past 72 hours on a wind loaded  open slope at treeline. This size 2 avalanche slid on a very weak layer near the ground.
5cm of new snow in the Bald Hills area produced some decent skiing, but is beginning to form new windslabs in exposed areas from moderate southwest winds.
Overall the snowpack is very weak, and full depth avalanches are likely to be human triggered in specific areas. There is no quick fix to this problem, and it will likely stick with us for the foreseeable future.
SW winds yesterday have lots of loose snow available to load onto lee slopes and form soft windslabs above treeline. Pockets of windslab have been reactive to skiers. Use extra caution on lee and cross loaded terrain particularly near ridge crests
40cm of recent storm snow is settling. Within this slab are layers of large, weak snowflakes that may be triggered by skiers/riders.
The interface between the December snow and the facetted November snow, down ~80cm is the biggest concern. Although this interface is becoming less likely to trigger it is possible, or smaller avalanches may step down to this layer.
Variable distribution of a persistent slab near the bottom of a shallow snowpack.  Although stubborn, if this slab is triggered it will result in a full depth avalanche running on weak layers at or near the bottom of the snowpack.
Winds continue to be primarily from the Southwest and will likely form new pockets of windslab in exposed areas above treeline.
Full depth, human triggered avalanches are likely in specific features. This basal crust/depth hoar problem will last for a while to come.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715">Windslabs are prevalent in many areas at upper elevations, and any new snow and wind will contribute to their formation.  Once triggered in steeper terrain, these have been seen to trigger deeper releases on the basal weakness.
Strong SW winds are expected today. They will intensify the rate of loading onto lee slopes and form new windslabs. The new snow will also bury pockets of windslab that have been reactive to skiers in lee and crossloaded terrain.
40cm of recent storm snow is settling. Within this slab are layers of large, weak snowflakes that may be triggered by skiers/riders or by rapid loading during the storm. If triggered, this slab may step down to deeper instabilities.
Persistent weak layers down ~80cm (facets), and down ~115cm (surface hoar) continue to be reactive in specific locations. Although these interfaces are becoming less likely to trigger it is possible, or smaller avalanches may step down to this layer.
The crust and or depth hoar at the base of the snowpack means that any avalanche that begins will likely step down and involve the entire snowpack.
Wind transport has created a mix of hard and soft slabs on all lee and cross loaded slopes . Terrain choices are tricky because the only places that have enough snow are wind loaded. Use shallow slope angles to minimize risk.
Currently there is a variably distributed persistent slab in a generally shallow snowpack. Although stubborn, if this slab is triggered it will result in a full depth avalanche running on weak layers at or near the bottom of the snowpack.
Steady Southwest winds have created pockets of windslab on lee features above treeline. Recent natural activity has been observed in crossloaded gully features in the alpine.
Conditions are ideal for slab formation; strong SW winds, with mild temperatures are forecast. The strong winds will intensify the rate of loading onto lee slopes, and form new windslabs on lee slopes.&nbsp;
Alpine temps rose overnight to 0'C at 1900m, before dropping below freezing again. Recent storm snow will have become more cohesive. There are a few weak layers within this slab. Tests indicate that they may be triggered by light loads, like you.
Recent strong SW winds have built windslabs at ridgelines and gully features. Warm temperatures have likely helped strengthen these slabs but triggering is still a possibility.
Expect this layer to get overloaded if forecast snowfall amounts materialize.
New snow and winds will contribute to wind slab development.
At this time all steep slopes have the potential to step down to the basal facets and result in large avalanches. The snow depth is quite variable across the forecast region, and triggering is most likely in shallow areas. Avoid starting zones.
Thin windslabs 15-20 cm deep are possible from leeward areas that will become loaded with the overnight snowfall that is forecast. Test on adjacent terrain features to check how much windslab has formed overnight.
60cm of storm snow is likely to be triggered by riders. Use caution in steep, unsupported terrain.
Recent moderate/strong SW winds have loaded lee features at treeline and in the alpine. Stay off wind loaded areas until the slope has had a chance to stabilize.
Weak layers are buried down 80 to 100 cm. In a shallow snowpack where the weak layer is well-preserved, a skier could fail these layers.
Expect this layer to persist for a long time. Best to make conservative choices as triggering this layer could have severe consequences. Likely trigger locations are shallow locations but everything is shallow right now.
New snow overnight and winds will continue wind slab development. Fresh snow may be hiding this condition.
This problem is classic. Hard to trigger, but when you hit the sweet spot (which you cannot see), full depth avalanches are likely. Don't ski aggressive terrain, the consequences are high so mange your exposure to starting zones very carefully.
10-20 cm of light new snow has fallen in the last 48-hours, and has been blown into thin windslabs in some areas. Check for windslabs and avoid freshly loaded areas. Ice climbers should watch out in steep cliffy terrain.
Strong winds are expected today with lots of snow available to be deposited onto adjacent slopes.
The recent storm snow has instabilities within it that will need a few days to heal.
The 2 buried weak layers down 70 to 110cm are still producing results in our snowpack tests. Caution around shallow snow pack areas where triggering these layers is most likely.
Expect this layer to persist for a long time. Due to its unpredictable nature, use conservative choices as triggering this layer could have severe consequences. Shallow locations are likely trigger spots. Generally, everything is shallow right now.
New snow over the weekend and winds will add to the wind slab development and hide it in some cases. Check for freshly loaded spots where a pocket of this instability would exist. Iceclimbers be cautious of crossloaded gullies and terrain traps.
Local avalanche forecasters are concerned about this problem, and are calling it a &quot;lurking beast&quot;. Deep slabs that are hard to trigger, but the consequences getting caught are dire. Manage your risk by minimizing exposure to avalanche start zones.
This problem is mostly small surface slabs formed from recent new snow and strong winds. Above 2400 meters one should expect windslabs in most areas. Locate these windslabs by monitoring the density of the surface snow as you travel through terrain.
Winds have been steady in the moderate to strong range for the past 24hrs.
Mild temperatures today will make slab formation more likely.
2 buried weak layers down 70 to 110cm remain a concern for riders. Consequences would be large if triggered which is more likely from shallow snowpack areas.
Triggering this layer could have severe consequences. Shallow locations are likely trigger spots and, everywhere should be considered shallow right now.
Check for freshly loaded spots where a pocket of this instability would exist. Ice climbers, be cautious of cross-loaded gullies and terrain traps
Up to 35 cm settled storm snow in past three days found at tree line west of the divide and 10-20 cm east of the divide. Continued westerly winds have created hard and soft wind slabs at treeline and alpine elevations.
The midpack and basal pack is mostly weak facets and depth hoar. The potential for a full depth avalanche continues to exist if the sweet spot is triggered.
Winds associated with this recent snowfall have been strong enough to create wind slabs at higher elevations and in exposed areas below tree line.
Another 25cm of new snow overnight. Snow loading has been steady for the past 5 days with instabilities in the upper snowpack.
The presence of buried surface hoar remains a concern for backcountry riders. The potential for a large avalanche on this layer still exists.
West winds have built wind slabs in lee areas and cross loaded terrain such as gully features. Triggering may be possible on steeper or unsupported features.
This layer of weak sugary snow is found in many areas&nbsp; about 30 to 40cm from the ground. Triggering&nbsp; of this&nbsp; layer is more of a concern in shallower snowpack areas.
Several avalanches have been observed on this layer. Wind loaded slopes should be carefully evaluated.
&nbsp; Avalanches on this layer have potential to step down to weaker basal layers resulting in large slides.&nbsp;
Recent snow &amp; wind loading has resulted in a few slides size 2-3 failing to ground. Avalanche professionals in the Louise area went for a ride today after placing 7 explosives in a feature then ski cutting it &amp; hitting the hidden mine to trigger it.
New and old wind slabs exist in the region.&nbsp; Once triggered these slabs are likely to step down the basal weak layer incorporating the entire snowpack in the slide.
An issue on the West side of the Divide where 40-70 cm has fallen in the past few days.&nbsp; Both slab and loose avalanches have been observed today and are expected to continue with forecasted wind.
Another 10cm in the last 24 hours continues to incrementally load the snowpack. Moderate winds have created soft slabs in exposed areas.
Winds associated with the recent snowfall have been strong enough to create slabs in the alpine and exposed areas at and below tree-line. These slabs are concealed by the incremental snowfall of the last few days.
The presence of a deep surface-hoar weakness remains a concern for backcountry travelers. It will likely take a large load to trigger it, like a cornice or someone who ate too many perogies over Christmas.
This is the predominant layer in the snowpack, and full depth avalanches to ground have been observed daily over the past week. This will increase in frequency with the new snow.
Watch for areas of wind loading. If a wind slab is triggered it may step down to deeper layers.
  A shallow spot in the snowpack could trigger a windslab which in turn would step down and release the entire snowpack.
Lee aspects have an upper snowpack consisting of several hard windslabs which could release and affect the layers below it.
Storm slabs will become an issue at the peak of the incoming system. Strong winds and warm temp's accompanying the new snow will develop slabs quickly in exposed lee features at all elevations.
Wind slabs are still reactive to rider triggering in the upper snowpack. Large planar or unsupported slopes should be treated with respect.
A deep persistent weakness lingers, down roughly 120cm. It will take a large trigger to initiate this layer, but if it starts to move, propagation would likely be wide and deep, creating a larger avalanche.
Triggering this layer from a shallow area is possible and would have high consequences in terrain features of any size.
Multiple wind slab layers at the top of the snowpack can be triggered and may step down to the deeper instability at the bottom of the snow pack.
Hard surface slabs are found near ridge crests and in gully features. These are highly variable at the moment with suspect pockets in steep and unsupported terrain.
Weak faceted or sugary snow can be found almost everywhere 30 to 40 cm above the ground. Triggering in thin snowpack areas remains a concern. Some natural avalanche activity should be expected if snowfall amounts are significant Friday.
The incoming snow will cover a variety of firm surfaces including the windslabs described above, wind affected surfaces, and sun crusts on S aspects. West winds and mild temperatures are likely to encourage slab formation in specific areas.
This is the main layer of concern. Full depth avalanches to ground have occurred daily over the past week. This layer will be stressed further by tonight's storm increasing it's sensitivity to natural and human triggering.
Watch for areas of wind loading or open slopes with wind effect. If a wind slab is triggered it may step down to deeper layers.
Storm slabs have formed at all elevations, likely up to a metre thick in alpine and tree-line lee areas. It will take a bit of time for these to settle into the snowpack.
Older wind slabs buried on various weak layers linger below all the new snow. These slabs have the potential to fail with the new, heavy load.
The heavy trigger may have arrived with this latest dump. Large avalanches are occurring, and may be stepping-down to this deeper layer.
This is the main layer of concern. Full depth avalanches on the basal depth hoar and crust have been occurring every day in the last week. The new snow has added stress to this layer, and will be easiest to trigger this layer in thin snowpack areas.
Watch for areas of wind loading or open areas with wind effect. If a wind slab is triggered it may step down to the weak basal layers. The new snow will be hiding these wind slabs in many areas.
The 20-30 cm of new snow can be expected to slough with any wind that occurs over the next 24 hours. Ice climbers should especially watch for sloughing in steep gully features and terrain traps.
Up to 30cm of new storm snow is not yet bonded to the old snowpack.
40 to 60 cm of storm snow has formed slabs. These deposits will be deeper in areas with wind loading. Natural avalanches are still possible, assess terrain continually while you travel.
Older wind slabs are buried on various weak layers below new storm snow. Use your pole to feel for this firm, wind-deposited snow in exposed areas. These slabs have the potential to fail with the new, heavy load.
Wind slab layers at the top of the snowpack can be triggered and may step down to the deeper instability at the bottom of the snow pack.
The mid pack is strengthening in thicker snow pack areas but this means the potential for larger propagations on the weak basal layers is a real concern.  Stick to moderate angled well supported slopes and minimize exposure to large avalanche paths.
New wind slabs are forming with lots of new snow available for transport.  If triggered these have the potential to step down to deeper facet layers and create large avalanches.  Probe for new or old wind slabs and avoid steep lee loaded terrain.
Storm snow and wind have overloaded the weak basal layers in several places and caused numerous large natural avalanches in the alpine. Cornice fall, smaller slides, and skiers in shallow areas all have the ability to trigger deeper instabilities.
Recent storm snow and strong winds in the alpine are forming new windslabs at upper elevations.
Large, deep slabs are occurring naturally and from human triggers. The recent snow has tipped the scale and all avalanche terrain should is suspect. Numerous avalanches have been triggered from long distances away. Avoid avalanche terrain!
Windslabs have formed over the last 48-hours, and this trend will continue over the next few days as strong north winds are forecast at higher elevations. Small avalanches are likely to step down and release larger avalanches on the deep layers.
Temperatures are warmer up high today due to an inversion. Caution on and under steep solar aspects when the sun is shining on them. Loose avalanches will most likely originate from cliffs.
Wind slabs at ridge crests and in the alpine from the strong winds during the last storm may still catch a rider off guard.
Storm snow instabilities still exist in the recent storm snow. Although it appears to be bonding well, another day or two of settlement and observations is needed before it is no longer considered to be a problem.
The weak snowpack continues to dominate the entire region, and avalanches can be easily triggered in shallow areas at treeline and above. Keep your distance from avalanche starting zones, and work the terrain very carefully to manage your exposure.
Recent winds have created thin windslabs on steep, windloaded terrain features. Approach all windloaded terrain with respect, stop at the top and evaluate before you choose your route through.
Be cautious on the lee of ridge crests or on cross loaded terrain where previous wind slabs may still linger.
Snowpack tests yesterday showed instabilities in the upper 60cm in the moderate range.
Strong West winds made quick work of the 40 cm of snow that fell before the weekend. Thin, spotty wind slabs found behind exposed features well below treeline can be easily triggered by skiers. Expect these slabs to be more significant TL and above.
This weak layer of snow persists 30 to 40 cm above the ground. Triggering a wind slab could produce the large load necessary to wake this layer up. Use caution in thin areas particularly with steep, planar, or unsupported slopes.
Storm snow and strong winds have overloaded the weak basal layers in several places and caused numerous large natural avalanches. Cornice fall, smaller slides, and skiers in shallow areas all have the ability to trigger deeper instabilities.
Recent storm snow and strong winds in the alpine have formed new windslabs at upper elevations which have the potential to step down and trigger large slides on the basal weakness.
&nbsp; A generally weak and faceted snowpack dominates the forecast area. The potential for full depth avalanches exist.
Significant  fresh wind slabs exist in exposed terrain. The potential for a small wind slab avalanches stepping down into the facets below is a concern right now.
The 40-50cm of snow from last week's storm continues to settle. Resistant planar results were seen in snow tests yesterday on this layer.
Snowpack tests continue to show sudden planar results deeper in the snowpack (down 120cm). Caution is still needed when traveling into lee or cross-loaded features.
Many avalanche paths have already slid in the 2,400 m - 2,800 m range. Slopes that have not failed are expected to fail with the increased snow loading and winds this weekend.
The upper snowpack is a stratified layer of multiple windslabs. Recent field tests have produced failures with moderate shear strength. Currently this condition is less prevalent at treeline. Forecasted snowfall and wind will increase this concern.
The weak base is the real danger. Moderately angled slopes with thicker snowpack are the best choices for not triggering this layer.
Fresh storm slabs can be triggered and will have the potential to step down to the weak base.
The storm slab is bonding well, as indicated in snowpack tests throughout the park. Use caution when entering wind-affected areas in the alpine and at tree-line.
The persistent weak layers are now fairly deep in the snowpack. They will need either a sizeable trigger to propagate to them, or a person tromping around in a thin wind-affected area.
The weak base is the major problem layer in the snowpack. Avalanches will almost certainly involve the entire snowpack.
Recent windslabs near ridge crests may be triggered. Avalanches will likely step down to the weak base.
Strong winds with a continuation of new snow will keep building windslabs in open areas. These can be found well below treeline.
A new storm slab is developing. The new snow is still loose and unconsolidated, but with mild temps and continued loading by new snow it will become more of a concern. Heads up if the snow starts to feel slabby. Watch for sluffing on steep slopes. 
With lots of loose snow available to be transported, and sustained moderate winds above treeline, new windslabs are forming. In addition, cornices are becoming large and may fail triggering the slopes below.
The persistent weak layers are now fairly deep in the snowpack. They will&nbsp; likely need a sizeable trigger, like an avalanche or a large chunk of cornice falling. They may be triggered from thin snowpack areas by a lighter trigger, like you.
New snow will likely overload deep weaknesses in the snowpack causing increased avalanche activity.
Alpine and tree line winds had added a stiff wind slab to the weak snowpack. If this layer triggers it will likely step down to the basal weakness mentioned above.
The forecast snow this weekend may be enough to overload the basal facets in many areas with potential for large slab avalanches. Stick to well supported, planar terrain below 30 degrees and minimize exposure to start zones.
Wind slabs will build quickly over the weekend. Expect sluffing in steep alpine terrain and avoid steep lee loaded features. Triggering a wind slab may also cause it to step down to the basal facets resulting in a larger than expected avalanche.
60 to 70cm of storm snow has fallen over the past 3 days with strong southerly winds. Heavy density snowfall is rapidly loading a previous layer of low density snow causing storm slab formation.
Strong southerly winds created touchy wind slabs on lee slopes yesterday. Expect further wind slab development today as the winds pick up this afternoon.
The current rapid loading event could reawaken the deep slab that has been sleeping for the past week.
The storm has overloaded the weak and facetted snowpack, and large natural avalanches are being observed. Active deep persistent slab conditions like this are dangerous; avoid avalanche terrain for the next few days - time for good snow in the trees.
20-40 cm of storm snow has fallen across the forecast region, creating unstable snow in the surface layers from both new snow and wind. Expect deep windslabs in leeward areas due to extensive wind loading.
&gt;35 cm of storm snow has fallen in the past 24 hrs and has been redistributed by moderate SW winds. This new snow is overloading the weak snowpack below resulting in large deep avalanches.
In many areas, the basal facet weakness has been avalanched away, where this has not happened, there is a lot of snow sitting on top of this unstable weakness.
These winds slabs have now been buried by the new snow so will be hard to locate.&nbsp;
Over 75 cm of heavy storm snow has fallen with moderate/strong southerly winds. This new snow is causing natural avalanches and is very touchy to human-triggering.
Strong southerly winds over the last two days has created touchy wind slabs.
The current avalanche cycle is overloading the entire snowpack and many deep avalanches have been observed sliding on the ground. Fracture lines in some areas greater than 150cm deep. The situation is very touchy; avoid all avalanche terrain.
45 cm storm snow and extreme winds have created deep storm slabs that can easily be triggered by humans. Extreme winds on Monday night will only add to this problem.. Avoid all avalanche terrain until this cycle subsides.
55cm of storm snow has fallen in the past 48hrs and is being redistributed by moderate to strong SW winds significantly overloading the snowpack. Lee features will be creating dangerous conditions overhead and underfoot.
Forecasted new snow will continue to overload an already stressed snowpack.
Triggering any of the above problems have potential to initiate this layer and create large full path avalanches.
New overnight snow is exceptionally heavy with the mild temperatures we have. This snow is sitting over much lighter snow from earlier this week and the result is ideal slab conditions and weak layers for it to slide on.
Winds in the past 24hrs have been strong to extreme with gusts to 130km/h on Mt Macdonald.
The November persistent weak layer is more likely to be triggered in times of heavy loading such as these with storm snow avalanches stepping down to this layer.
The possibility of natural and skier triggered avalanches remains high. Stay out of avalanche terrain until things settle down. Look for protected skiing in the trees on moderate angled slopes with no exposure to alpine and tree line start zones.
The storm slab is 40-50cm thick in many places and if triggered, it is likely to step down into the basal facets resulting in very large avalanches. Avoid all avalanche terrain until this cycle subsides.
This layer is proving very susceptible to human triggering as evidenced by the two remotely triggered slides today. Extensive whumphing and cracking experienced particularly at treeline elevations.
70cm of storm snow has fallen in the past 72hrs and has been redistributed by moderate to strong SW winds onto sheltered slopes in the alpine and treeline.
A failure in this layer is likely to trigger the weak basal facet layer below.
Yesterdays blizzard deposited 35cm of heavy snow that is sitting over snow that is much lighter, including a buried surface hoar layer. This combination makes it more reactive to rider triggering until it has a chance to settle out.
The winds associated with the storm yesterday were strong throughout the park at all elevations. Slopes near ridge crests should be treated with caution.  Wind slabs may exists in open areas below tree line above where there's a melt freeze crust.
The November surface hoar layer can still be triggered by large triggers such as avalanches or cornice fall. There have been reports of backcountry operations seeing avalanches failing on this layer in the region.
Open terrain near ridge crests are likely spots to find recent wind slabs. Use your poles and probe to help detect signs of instability.
In shallow snowpack areas there is a possibility that the deeper instabilities could be triggered. Our growing snowpack and milder temperatures are helping to reduce the chance that this layer could be triggered in most areas.
Expect to see less natural activity concerning this layer, however, it is still ripe for human triggering. If triggered, expect large and destructive avalanches with fracture lines up to 200cm deep.
Unlike the deep persistent slab problem, the storm slabs will eventually start to bond to underlying surfaces over the coming days.
Warmer temperatures will contribute to overloading the weak basal facets leading to full depth avalanches in the valley bottoms. Be cautious of steep slopes along terrain traps such as creeks.
As the warmer temperatures stiffen up the snow surface, even a small avalanche could step down to the basal facet layer resulting in a full depth avalanche.
Strong winds have formed windslabs in open areas at all elevations. In many areas they have formed over lower density snow, which may be triggerable.
Over a meter of new snow, combined with high winds and rising temps, have created a storm slab. It is sitting over snow that is much lighter, including a buried surface hoar layer. This slab will need some time to settle and bond.
The recent avalanche cycle showed the reactivity of the snowpack to rapid loading and its capability to produce large avalanches. Until the snowpack adjusts to the new load these layers may be reactive. Be cautious in areas that have not avalanched.
Depending on elevation, this layer is either bridged by a hard mid-pack at higher elevations and likely to be triggered from a shallow area. At the lower elevations there is minimal support in the snowpack and is easier to trigger.
Triggering this layer could potentially initiate deeper instabilities. 
Full depth avalanches have been seen daily on this layer. We expect another natural avalanche cycle on this layer on sunny aspects with the forecasted warm temperatures and sun.
Any avalanche triggered as a windslab is almost certain to step down to the basal facets and trigger a much larger avalanche.
Over a meter of new snow is about to get hit by lots of solar and above freezing temps right up to mountain top. Natural avalanches are expected from steep, solar aspects. In addition, the storm slab will likely be more reactive on sun exposed slopes
Strong winds have formed windslabs in open areas at all elevations. In many areas they formed over lower density snow, which may be triggerable. Be especially cautious in places where even small avalanches can have high consequences, ie over cliffs.
The recent avalanche cycle showed the reactivity of the snowpack to rapid loading and its capability to produce large avalanches. Likely triggers are cornices failing and other avalanches stepping down. Be cautious in areas that have not avalanched.
Full depth avalanches continue to be seen daily on this layer. We expect another natural avalanche cycle on this layer on sunny aspects with the forecasted temperatures and sun. Even a cornice release in the heat could trigger a large avalanche.
Any windslabs triggered will likely step down to the basal facets and trigger a much larger avalanche.
Basal weakness means that the potential for full depth avalanches still exists.&nbsp; Smaller avalanches have the potential to trigger deeper instabilities.
Wind slabs are still touchy at upper elevations.&nbsp; Extensive scouring and cross loading was apparent today during helicopter control efforts on upper targets in the alpine.&nbsp;
Natural avalanches are expected from solar aspects if the high, thin cloud breaks up. Over a metre of new snow may have trouble adjusting to intense sunshine and high freezing levels over the next 48hrs.
Strong winds formed windslabs at all elevations and on all aspects. These windslabs sit on a low density layer and can be triggered by light loads. Be cautious in areas where even a small avalanche can have large consequences, ie over cliffs.
Be cautious in areas that have not avalanched. The recent avalanche cycle showed the reactivity of the snowpack to rapid loading and its capability to produce very large avalanches. Cornices could be the large trigger to break down to the deep layers
Strong west winds have created windslabs on lee slopes below ridgelines. These slabs can be found well down from the ridgetop and into open areas due to the intensity of the wind. Warm temperatures will increase the likelihood of triggering.
Snowpack depth is highly variable. It might be hard to spot the shallow areas where triggering this deeply buried weak snow is more likely. Large loads such as falling cornices or surface avalanches also have the potential to wake up these slabs
Warm temperatures and sun will weaken the large cornices that developed from the snow and wind from last week. These could be the large load required to trigger the deeper instabilities in the snowpack and create large avalanches.
Watch for daytime warming and areas receiving large amounts of sun. avalanches may run full path and affect valley bottoms and trails crossing avalanche runouts.
The basal facet layer is of great concern as it is&nbsp; the most significant weakness in this year's snowpack.  Use extra caution in areas that have not previously avalanched, especially on open treeline slopes.
Windslabs have been triggered on this interface buried in the snowpack as well as deeper on the basal facet layer.
Strong winds formed wind slabs is exposed terrain at all aspects.  These wind slabs sit on a low density layer.  This layer could possibly be human triggered.  Be cautious in areas where even a small avalanche can have large consequences.
A weak layer buried down over 2 m will take a large trigger to fail. Limit your exposure to cornices.  A cornice fall to could be just the right trigger to fail this weak layer.
Frequency of full depth avalanches on the basal depth hoar/crust is starting to slow down.  Any slope that hasn't avalanched should be treated with caution, as it will be very high consequence if you trigger this layer.
Wind slabs that have been triggered in the last couple days have provided enough weight to &quot;step down&quot; to the basal weaknesses.
The basal facets are weaker below tree line as many whumphs noted. Where the snow is deeper at higher elevations, the mid-pack is bridging the weak basal facets; however, snowpack depth varies so much that its hard to inspire confidence in stability.
Wind slabs of variable thickness and hardness dot the landscape. Many windpressed and stripped features will be encountered once you leave the shelter of the trees. Triggering this could dig down to the basal facets increasing the consequence.
Wind slabs have formed from moderate to strong winds.&nbsp; It is possible a rider could trigger these hard, dense snow deposits.&nbsp; Be cautious in areas where even a small avalanche can have large consequences, i.e. around cliffs.
A weak layer buried down over 2 m will require a large trigger to fail.&nbsp; Limit your exposure to cornices.&nbsp; A cornice fall could be just the right trigger to fail this weak layer.
The frequency of full depth avalanches on the basal depth hoar/crust is slowing down, but any slope that has not avalanched should be treated with caution. It will be very high consequence if you trigger this layer.
Wind slabs that have been triggered in the last couple days have provided enough weight to &quot;step down&quot; and trigger the basal weaknesses, resulting in larger than expected avalanches. Avoid steep lee loaded or cross loaded terrain.
The basal facets are weaker below tree line as many whumphs noted. Where the snow is deeper at higher elevations, the mid-pack bridges the weak basal facets; however, snowpack depth varies so much that its hard to inspire confidence in stability.
Wind slabs have been observed throughout the Park at higher elevations. It has been unreactive to snow sliding traffic but there is doubt that this may be the case everywhere. Small pockets may catch you by surprise.
The November persistent weak layer will need a large load to be triggered. Its distribution is waning but still lingers in isolated spots.
The basal facets are weaker below tree line. Where the snow is deeper at higher elevations, the mid-pack bridges the weak basal facets; however, snowpack depth varies so much that its hard to inspire confidence in stability.
Be conservative with your terrain selection and consider steep or unsupported planar slopes carefully. Assess the snowpack often: the variable nature of the snowpack makes it hard to avoid shallow areas where triggering may be more likely.
These old, hard slabs still deserve respect especially in steep or unsupported terrain. Remember that triggering these surface slabs may create enough load to pull out a larger deep persistent slab. Triggering may be easier in warmer periods.
With mild temperatures and strong solar radiation any snow near rocks could easily release. The large load created by a falling cornice could trigger the deep persistent slab.
The weak and unpredictable snowpack persists in the Lake Louise area and eastern side of the forecast region, where all steep terrain remains suspect. This problem is much less prominent west of the Divide, where the snowpack is deeper and stronger.
Areas at treeline and higher elevations have been blasted by the winds. This has created wind crust on the surface, and windslab avalanche problems in steep, windloaded areas.
Last weeks storm left us with widespread winds slabs up high. They have been largely unreactive to rider testing however areas they could be triggered are on steep unsupported slopes, slopes nearing ridge crests or on convex rolls.
The November persistent weak layer will need a large load to be triggered (i.e. cornice fall). Its distribution is waning but sill lingers in isolated spots.
Natural activity has tapered off on this layer, but it is still possible to trigger big avalanches in shallow locations.
Cross loaded gullies may be the most attractive after the intense wind scouring in the alpine, but careful evaluation is essential to check for the presence of touchy windslabs.
Thin areas and steep terrain that has not  yet avalanched should be avoided. Thicker moderate angled terrain  with low consequences would be a good choice.
These slabs are fairly isolated now, but could cause a deep step down avalanche if triggered.
There may still be a few lingering slab pockets in steeper, unsupported features that could surprise a person. This being said, there has been little activity observed on the surface windslabs,
The November persistent weak layer will need a large load, like a cornice, to be triggered. The isolated nature of its distribution makes it hard to forecast for this layer.
Low likelihood, high consequence. This means the chance of triggering is decreasing, however, if you do, it will be a big slide.
Thin soft slabs now hide either hard windslab or suncrust. They may not be bonded well, and could be a concern in steep terrain where a slip/fall has a significant consequence (ie cliffs).
Beware the overhanging cheeseburgers along the ridgetops! If this inversion becomes as strong as forecasted, we may not see alpine temp's drop overnight, creating unstable cornices heating up in the afternoon sun.
The November persistent weak layer will need a large load to trigger it, like a cornice. The isolated nature of its distribution makes it hard to forecast for this layer.
Cross loaded gullies may be the most attractive after the intense wind scouring in the alpine, but careful evaluation is essential to check for the presence of reactive windslabs.
Thin areas will have the biggest potential for triggering the basal depth hoar/crust layer. Caution is advised in steep, planar features. Avalanches will be full depth with large consequences.
Warmer temperatures forecast at higher elevations could cause some loose, wet avalanches in very steep, rocky terrain. Climbers should be cognisant of this.
The snow from Wednesday is starting to build new windslabs. These will be touchy for the next few days until the begin to settle. Previous windslabs are also a concern underneath this new snow. These could be triggered from the many thin areas.
Be conservative with your terrain selection and assess steep or unsupported planar slopes carefully. The new snow may be hiding shallow areas where triggering may be more likely and with the variability in snowpack there are many thin areas.
Temperature inversion with warmer air at ridgetop and strong solar radiation will weaken snow in steep rocky areas. A falling cornice could create the large load needed to trigger a deep persistent slab so be conscious of what is overhead.
A little bit of new snow has buried a large surface hoar layer. This sits on a smooth bed surface; windslabs or suncrusts. This is likely to be triggerable on steep terrain. In addition, loose avalanches are expected to be triggered by strong solar.
Be aware of cornices looming overhead. Warm temps and strong solar radiation are expected in the alpine and will likely cause some cornices to come crashing down.
The November persistent weak layer will likely need a large load to trigger it, like a cornice. This is the classic low probability-high consequence problem. It's patchy distribution makes it hard to forecast, but if it wakes up watch out!
Triggering of the basal depth hoar/crust will be most likely from thin snowpack areas. These are harder to trigger now, but if you hit the &quot;sweet spot&quot;, the avalanche will be full depth and large consequence.
Inverted temperatures at upper elevations could cause loose wet avalanches. This will be possible from very steep, sunny terrain which is sheltered from the wind.
Be aware of solar warming which could trigger a slide on this layer which in turn may step down and release the basal weakness.
Temperatures at higher elevations are forecast to crest above 0 degrees today. Use caution on solar aspects as radiation intensifies.
Current conditions are ideally suited for increased cornice fall hazard. Be aware that although you may be on a shaded slope the cornice above may be getting baked in the sun.
This layer has spotty distribution and will need a large load to trigger or can potentially be triggered from thin snowpack areas.
A supportive slab over a shallow spot in the snowpack could provide the energy for a small avalanche to step down into this layer.
Recent small wind slabs in loaded terrain features released on solar aspects and stepped down to the weak facet creating a full depth avalanche. Watch for wind loaded pockets over unsupported terrain such as between pitches of an ice climb.
There's a cooling trend occurring as our weather pattern changes. The temperature inversion will not be as prominent up high however steep south and west slopes may still see loose avalanches with daytime warming and solar radiation.
This layer has spotty distribution and will need a large load to trigger or can potentially be triggered from thin snowpack areas
In thin snow areas the basal facets are still very weak and producing sudden collapse results in snowpack tests with the potential for large avalanches. Probe often for this weakness near the ground and stick to planar well supported ski slopes.
You are more likely to trigger this layer below treeline where the upper snowpack is more consistently shallow and weak. You still need to be cautious in shallow areas above treeline.
Be conservative with your terrain selection and assess steep or unsupported planer slopes carefully where the snowpack may be thin. In these areas it may be possible to trigger the weak faceted area created early in the winter.
The weak facets at the base of the snowpack have not gone anywhere. But, time and settlement seem to have brought the snowpack into balance. Isolated, large avalanches may still occur, particularly in areas that have not avalanched previously.
The basal facets are lying dormant for now. However, the possibility of triggering from a weak spot (thin, shallow, rocky area) remains real.
Park staff were able to ski-cut small, hard wind slabs in steeper alpine and tree-line terrain yesterday. These pockets moved quickly on the underlying hard surface, and would be a concern in &quot;no-fall&quot; terrain, as they could sweep you over cliffs.
It is a classic Rockies problem of low likelihood, high consequence when dealing with the basal depth hoar/crust. No activity has been seen on this layer in a week, but where the snowpack is thin, your likelihood of triggering a slide will increase.
Odds are you will not be able to trigger this layer from fat areas in the snowpack. It exists at all elevations and aspects and the variability in the snow pack is so widespread it does not inspire confidence anywhere in the terrain.
5cm of snow will bond poorly to the various surfaces; sun crust and surface hoar; it has buried. Expect sluffing in steep terrain. Be cautious in terrain like confined gullies, where snow can accumulate deeper, or exposed areas over cliffs.
Moderate winds, from variable directions, will transport the new snow, forming slightly deeper soft slabs along ridge crest and breaks in terrain. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Although this layer has not been reactive in the last week, the potential to trigger a deep slab from a thin spot remains.
This layer is now bridged by a strong mid and upper snowpack but could still be triggered from shallow or rocky terrain.
Strong northerly winds have redistributed snow onto isolated locations at treeline and alpine elevations.
30 cm above the ground, this weak snow is a serious concern. Travelers should carefully consider snowpack depth, terrain shape, and slope angle. Use your probe to confirm depths when you are uncertain.
The recent snow fails easily in steep terrain up to 25cm deep. Expect this to dissipate as the wind moves in.
<br />Northerly winds are expected. New wind slabs could form very quickly as there is a lot of snow available. Expect to find different distribution to these slabs compared with the prevailing Westerly winds.
Slightly deeper soft slabs may exist along ridge crest and breaks in terrain due to yesterdays winds. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Watch for thin snowpack areas in steeper terrain where triggering the basal depth hoar/crust is possible.
These are confined to the immediate lees of ridgetops and will be fairly thin. 
5 cm of snow is reactive to skier-triggering. Expect fast sluffing in steep terrain.
Variable wind slabs are present beneath new snow. Use caution along ridge crests and breaks in terrain. In exposed alpine terrain hard slabs are present.
This layer is well bridged by a strong mid and upper snowpack but could still be triggered from shallow or rocky terrain.
Thin snowpack areas in steep, alpine terrain will be the place to trigger the basal depth hoar/crust.&nbsp;
Places which have a well defined sun crust will be the most susceptible to triggering a storm slab.&nbsp; At the moment these are of lower consequence and thin (15-30cm) and isolated to specific terrain features.
New snow over a variety of surfaces will sluff easily in steep terrain.
Old and new variable wind slabs are present at alpine and tree line elevations. It is possible to trigger isolated pockets of wind affected snow on steep roll overs.
This problem continues to exist at the base of the snowpack, but triggering is unlikely due to a combination of time, settlement and the bitter cold - all of which have combined to lock up the snowpack. It will reawaken once the weather changes.
Strong northerly winds have redistributed snow into isolated pockets of wind slab at alpine elevations.
Winds have redistributed some of the new snow creating a soft slab that was seen to react to rider triggering. Watch for this are on steep convex rolls with a buried sun crust. Shooting cracks from your ski tips is an indicator of this instability.
: Normal;font-weight: normal;font-size: 16px;color: #333333; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_A136FBD0">An increasingly well settled snowpack means triggering an avalanche on a deep persistent layer has become unlikely. However, large and destructive avalanches may be possible with a heavy load in steep, thin start zones.</span><span class="s_AA239
A lack of avalanche activity and hard test results show that triggering the weakness at the base of the snowpack is unlikely, however the variability in snowpack depth means it is worth watching for thin areas where triggering may still be possible.&nbsp;
The recent snow has created thin wind slabs in the alpine and at treeline which could be a problem in steep confined terrain such as gullys and couloirs.
Expect to see some wind loading on south and west aspects, not typical of this area. The new snow has not bonded well to the old surfaces and was reactive early this week to rider traffic. People could expect the same but with a stiffer windslab.
This layer is well bridged by a strong mid and upper snowpack but could still be triggered from shallow or rocky terrain or by a large load.
Strong northerly winds from a few days ago redistributed snow into isolated pockets of wind slab at alpine elevations.
The snowpack has gained some strength and now combined with the cold temperatures it will be hard to trigger an avalanche on the weak layers near the base. This situation will persist until the weather pattern changes.
Expect to see some thin slabs on S and W aspects in the alpine and exposed tree-line elevations, due to cold Arctic winds blowing from the N and E. These slabs will be stiffer with the cold weather, and have not bonded well to the older surfaces.
Riders are still able to ski-cut thin (5-10cm), hard slabs in lee features. With the reverse loading of N and E winds, slabs can be found on all aspects. While the slabs are likely too thin to bury a person, they could push one over steep terrain.
This layer is bridged by a strong midpack. Keep in mind that shallow locations could produce a failure in this layer which would step down into the facets and slide full depth.
The 40 cm of snow sitting on the ground continues to loose strength. The mid-pack that is holding everything together varies greatly in depth. Use your probe to verify that you are traveling in fat areas and use extra caution if you are not.
Variable wind directions over the last few days have created thin and soft slabs in a wide range of open areas. Surface snow is faceted which is  discouraging slab formation. These slabs sit on weak snow over firms surfaces: keep them in mind.
Thin wind slabs exist in exposed tree-line and alpine lee features on all aspects. It is possible for riders to trigger isolated pockets.
The basal layer of depth hoar lies dormant for now, but is a prominent feature of the snowpack. Currently, it will only be possible to trigger from extreme terrain in thin snowpack areas until the weather changes.
This layer may become reactive if there is a sudden temperature warming through the day.&nbsp;
Thin pockets of wind slab are present on exposed treeline and alpine lee features. North and east winds have created reverse loading conditions.
This layer may become reactive if there is a sudden temperature warming through the day.
The basal depth hoar, crust layer is dormant for now.&nbsp; Currently it is only possible to trigger this layer from extreme terrain in thin snowpack areas.
Thin pockets of wind slab are present on exposed treeline and alpine lee features.&nbsp; North and east winds have created reverse loading conditions.
The basal depth hoar, crust layer is dormant for now. Currently it is only possible to trigger this layer from extreme terrain in thin snowpack areas. This layer will likely become more reactive as we get some new snow loading it.
Isolated pockets of windslab to watch out for in exposed areas. Winds were predominantly from the East and the North until yesterday morning, loading south and west slopes near ridge tops.
This layer may increase its reactivity if there is a sudden temperature warming through the day.
The deep persistent weakness has been dormant for several weeks. With warming temperatures and increasing snow load may we may begin seeing some avalanches on this layer by Wednesday.
Any new snow or wind slabs will be sitting on a mix of facets, surface hoar and sun crust. This has potential to create a good sliding layer. Watch for sluffing in steep terrain starting Tuesday, and deeper storm slabs failures by Wednesday.
As new snow falls and is redistributed by W winds, expect slabs to form quickly or to&nbsp; contribute to soft windslabs that already exist&nbsp; at Treeline and above. In recent days even very soft slabs have failed easily over weak, faceted surface layers.
In terrain over 40 degrees skiers may easily sluff the Surface Snow which will continue to gouge out a trough until it hits lower angled terrain. These events occur naturally in very steep terrain. Expect this to get worse with more snow.
This weak snow under the entire snowpack remains a concern especially in thin areas. As warming and loading occurs, avalanches described in the problems above could provide a large load triggering larger events on this layer.
35cm of new snow has fallen onto a surface that will not bond easily. Triggering avalanches will not be difficult due to the nature of the recently buried weak layers.
Winds have picked up with lots of light snow available to be pushed around. Expect wind slabs to continue to form at higher elevations as the day progresses.
Soft slabs are forming rapidly with the new snow over a very weak and widespread layer. These slabs can be triggered from a distance on steep slopes and require very conservative terrain selection and route finding.
With widespread avalanches occurring the potential for the weak snow at the bottom of the snowpack to be triggered as a large avalanche is elevated. Give big terrain a wide berth until things have a chance to settle.
By Wednesday there may be up to 25 cm of new snow being blown into fresh windslabs. Fresh slabs like this are touchy, and in places their depth may exceed 50 cm. Be very careful in all windloaded areas, and looks for clues and cracking under foot.
This problem exists in the eastern side of the forecast region (Lake Louise area), and will remain dormant on Wednesday. More snow is needed to re-awaken these facets. Forecasters will be monitoring this problem closely as this week's storm develops.
50-60cm of storm snow overlies an old surface that will not bond well. Temperatures have increased and winds have picked up, creating stiffer slabs that are ripe to fail.
Winds have picked up from the W/SW and there is 50-60cm of new snow available for transport. Expect wind slabs to continue forming in lee areas at all elevations.
Bridging above this layer makes it stubborn to initiate; however, it will be big when it goes. A sudden warming, large additional snowload, large triggers, or surface avalanches may tip the scale. Be aware of thin locations as likely trigger spots.
15cm of new snow with variable wind directions and speeds have translated to wind loaded pockets of storm slab potentially 45cm thick overlying weak surface facets. More snow Thurs-Fri will add to this condition. Loose avalanches are also possible.
There has been no avalanches on this layer for two weeks.&nbsp; It is very unlikely this layer will be triggered while we remain in the Arctic high weather system.&nbsp; This layer will wake up again with more snow and wind loading.
The 10-20 cm of new snow has created touchy windslabs up to 30 cm thick with impressive propagations for their small size.
This dormant layer may start to wake up over the next few days with continued snow and wind loading, we are monitoring it closely. It is a weak basal facet layer that is a problem on the East side of the Divide (Lake Louise area).
The storm slab overlies a weak surface and is not bonding well. Many avalanches have already slid on this interface, but if a slope has not released, it should be considered a ticking time-bomb.
Wind slabs continue to develop in lee features at alpine and tree-line elevations. There is plenty of new snow to feed the wind slab development, so if winds pick up in the area you are skiing, expect the danger level to bump up a notch.
New snow with variable wind directions and speeds have translated to wind loaded pockets of storm slab potentially overlying weak surface facets. Loose avalanches are also possible.
Winds will be forming slabs in the lee of ridge crests and exposed areas. These will be likely lying over facets or hard surfaces.
The basal depth hoar has been gaining strength and is lying dormant. We are waiting to see if this layer ``wakes up`` in thin snowpack areas this weekend with the new snow load.
Wind and warm temperatures have created higher density snow over the weak faceted crystals in almost any open areas. Very easy triggering means that skiers should treat all significant slopes with respect. SE to SW slopes seem extra touchy
The slab of well settled snow that protects the weak snow at the base of snowpack is not very thick in many areas. As the storms continue to place stress on the snowpack, and with significant surface avalanches expected, larger events could occur.
The storm slab is just getting thicker and heavier on the underlying weak interface. Any large, open slope that has not slid should be treated with caution, as it awaits just that extra amount of load from a person.
Strong winds in the alpine have redistributed the copious amounts of new snow into very touchy wind slabs. Expect to find extensive cracking and whumphing under your boards where the wind has affected the surface.
Pockets of wind loaded slab overly weak surface facets in sheltered areas at tree line and above.
Winds will continue to build slabs in the lee of ridge crests and exposed areas.  These slabs rest on facets or hard surfaces and have not bonded to these layers yet.
Based on current wind patterns from our remote weather stations, and available new snow for transport, wind-slabs will still be lurking in the alpine, approximately 20-60cm thick.
Some pockets of wind slab exist in sheltered alpine features at ridge line. No natural activity was observed today but with more snow and strong SW winds we expect the hazard to increase through Saturday night and Sunday.
These recently formed slabs have proven to be very easy to trigger failing naturally and with light loads. Limit your exposure to significant slopes. Do not get taken by surprise by the long propagations that are occurring.
Do not forget that there is weak snow under the entire snowpack. In shallow areas this faceted snow has continued to weaken and the slab above it that is holding the snowpack together has become stressed by recent loading.
A 100 cm storm slab sits on a weak layer.&nbsp; Skiers and riders will likely trigger this layer in avalanche terrain.&nbsp; Remote triggering is a concern, watch out for adjacent slopes.
Exposed terrain will have wind deposited snow forming slabs.&nbsp; Moderate to strong winds this AM are rapidly loading avalanche start zones.
New windslabs are forming and adding to the load on lee aspects, primarily East facing terrain. Small windslabs may trigger deeper persistent slabs and increase the consequence of involvement.
Mod/strong wind today has developed this layer further. Expect it to be most reactive in the alpine on all aspects. In places, these wind slabs could be 60cm thick.
20cm of additional load overnight totalling 1.2m over a weak layer which has been very reactive this past week. Riders have reported cracking, whoomphing and avalanches on this layer. This is in addition to any shallower storm snow instabilities.
Winds from the current weather pattern have been steadily in the moderate to strong range. Expect to see more slabby conditions at higher elevations reactive to human triggering.
The interface between rapidly settling storm snow and the previous surface is characterized by crust and facets and new slabs are touchy in specific terrain - particularly steep, lee aspects below ridge crests.
Recent Southwest winds have created new windslabs.  Caution is warranted with crossloaded gully features.
The recent storm snow is settling and bonding to itself. There is still a poor bond at the storm snow interface (facets and surface hoar) down about 30-40 cm.
Continued south west winds have created fresh wind slabs in lee alpine terrain. These wind slabs are reactive to skier triggering.
As the slab over the weak layers down 100-140cm becomes more cohesive, it changes in how it reacts to a riders weight. The highly reactive stage may have passed but it is at a depth where triggering will be less frequent but much more dangerous.
We had strong winds yesterday morning and there's a concern the associated instabilities still exist up high.
The interface between rapidly settling storm snow and the previous surface is characterized by crusts. facets and surface hoar. New slabs are touchy in specific terrain - particularly steep, lee aspects at treeline and sub alpine elevations.
Recent southerly winds have created new windslabs. Caution is warranted with lee and crossloaded features.
The storm snow is starting to settle into a cohesive slab. As the slab stiffens, the weak layer will get harder to trigger, but the consequences will be greater. The nature and distribution of the weak layer means it will be with us for a while.
Recent SW winds are creating touchy windslabs in lee ALP and TL terrain. If triggered, these windslabs will step down to the Feb. 10th layer.
As the slab over the weak layers down 100-140cm becomes more cohesive, it changes in how it reacts to a riders weight. The highly reactive stage may have passed, but it is at a depth where triggering is less frequent but much more dangerous.
Strong winds overnight from the S-SW will have created surface wind slabs in the alpine and tree-line.
The cornices have undergone tremendous growth in the past week with all the new snow and winds. These cornices could be the large load to trigger the thick slabs overlying the Feb 10th interface. Expect large avalanches if caused by cornice-fall!
The persistent slab interface is a combination of crusts, facets, and surface hoar overlying a solid midpack bridging weak basal facets. It will be large if triggered. Caution on steep lee treeline and subalpine aspects with variable snow depths.
Caution on East aspects above treeline especially at ridgecrest transitions. Field patrol in Maligne area triggered size 2 of this nature where wind has firmed the recent storm snow into a windslab overlying previous layer of facets and surface hoar.
The recent storm snow is settling but a poor bond still exists on the storm snow interface. Natural activity has decreased but it is still possible for skiers to trigger this layer.
Recent SW winds have created touchy wind slabs on lee alpine and treeline terrain. These wind slabs are reactive to skier triggering.
The storm slab, which is 100-140cm thick and overlies a weak interface, is becoming more cohesive. However, the bond to the underlying interface is not showing much improvement. Skier triggering of this layer will have high consequence.
Fresh wind slabs from the previous couple days are evident in open alpine and tree-line elevations. Cracking and whumphing indicate that you have found them!
The large cornices adorning ridge-tops are the large, natural trigger that could initiate a very large avalanche. They are obvious overhead hazards to be avoided for the next long while.
This persistent weak layer consists of facets and surface hoar that were covered. It sits on a mixture of crusts and firm supportive snow. This seems to be of most concern at the Treeline and lower alpine elevations between 2000m and 2400m.
Lee aspects of ridgetops and terrain features should be carefully evaluated for windslabs.
A poor bond still exists between the storm snow and the Feb 10 interface. This interface is reactive to skier triggering. (see avalanche details)
Continued SW winds have created fresh wind slabs in the alpine
These recently formed slabs have proven to be very easy to trigger failing naturally and with light loads. Limit your exposure to significant slopes. Do not get taken by surprise by the long propagations or remote triggering that has been seen.
Do not forget that there is weak snow under the entire snowpack. In shallow areas this faceted snow has continued to weaken and the slab above it that is holding the snowpack together has become stressed by recent loading to the point of failure.
This problem is becoming increasingly challenging. The clues of instability, like cracking and whumphing are tapering off, but tests and continued avalanches indicate that this thick slab is triggerable and will produce very large avalanches.
Winds during the last week have transported the new snow, loading lee slopes and forming cohesive wind slabs. In areas where the snow is more cohesive, triggering of these slabs is likely. If triggered these slabs will likely step down deeper.
Yesterday, a slab 1-1.5 meters deep was observed that was triggered by cornice failure. Large cornices exist along ridges, and are may fail with fluctuating temperatures and sunny periods. These are big triggers that could initiate BIG avalanches.&nbsp;
This persistent weak layer consists of facets and decomposing surface hoar under 30cm of surface snow. It sits on a mixture of crusts and firm snow. It is of most concern at treeline and subalpine zones between 2000-2400m.
Where ever the wind has buffed the surface into a slab should be carefully evaluated particularly ridgetop transitions. Pockets of slab have also been created by valley bottom winds and have been found in exposed locations at treeline and below.
There is still a poor bond between the storm snow and the Feb.10 layer of facets and surface hoar. This interface is still very susceptible to human triggering.
Wind slabs have been forming at higher elevations from SW winds over the last few days.
A strong slab overlies a very weak layer buried down 1-1.5m. The snowpack now demands your respect, if you trigger this layer a large, high consequence avalanche will result.&nbsp; Use caution in shallow snowpacks, where triggering is more likely.
Use caution as you transition into exposed terrain.&nbsp; Triggerable wind slabs may be present on lee features.&nbsp; If triggered these slabs may step down to trigger deeper instabilities.
Yesterday, a slab 1-1.5 meters deep was observed that was triggered by cornice failure. Large cornices exist along ridges, and may fail with fluctuating temperatures and sunny periods. These are heavy triggers that could initiate BIG avalanches.
The persistent slab overlies 2 main weaknesses that will not go away anytime soon. A decomposing surface hoar-surface facet layer 30cm down and thick layer of basal facets-depth hoar. Its spatial variability makes it difficult to predict.
Carefully evaluate ridgetop transitions where winds have buffed the surface into a slab. It rests on the suspect surface hoar-surface facet layer 30cm down. Valley bottom winds have created slab pockets in exposed locations below treeline.
The storm snow interface down 40-70 cm still producing easy to moderate results. Natural cycle is over but still possible for skiers to trigger this layer.
Recent winds have produced wind slabs in lee alpine terrain. These wind slabs could step down to the storm snow interface resulting in large avalanches.
Large cornices exist along ridges, and may fail with fluctuating temperatures and sunny periods. These are heavy triggers that could initiate BIG avalanches.
Carefully evaluate ridgetop transitions where winds have buffed the surface into a slab. It rests on the suspect surface hoar-facet layer 30cm down. Valley bottom winds have created slab pockets in exposed locations below treeline.
The persistent slab is intermixed with 2 main weaknesses that will not go away anytime soon, the decomposing surface hoar-facet layer and thick layer of basal facets-depth hoar. Its spatial variability makes it difficult to predict.
The natural cycle is over but the Feb 10th interface down 30-70 cm is still producing easy to moderate results, with lots of whumphing and some skier triggered avalanches. Stick to moderate angled, well supported terrain until things improve.
&nbsp; These slabs have become a little less touchy but are now buried by an additional load (60cm over the past week). Limit your exposure to significant slopes. Do not get taken by surprise. Long propagations are still likely.
&nbsp; 60cm of new snow over the past week with transport tapering off the past 5 days. Loose dry concerns could step down to the weak faceted layer.
The natural cycle is over but the Feb 10th interface down 25-60 cm is still producing easy to moderate results, with lots of whumphing and some recent skier triggered avalanches. Stick to moderate angled, well supported terrain until things improve.
Recent winds have left isolated wind slabs in lee alpine terrain. If triggered these wind slabs could step down to the Feb 10th storm snow interface resulting in large avalanches.
;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_E6FD2046">The slab overtop the weak layers down 1-1.5m continues to settle and become more cohesive. This problem will take a while to heal and requires good terrain management. Be particularly weary of open unsupported slopes and convex rolls below tree line.
;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_E6FD2046">Cornices have grown from the last storm cycle. Sunshine and the warmer alpine temperatures may cause them to break. Shaded slopes may have cornices in the sun well above you. This hazard is the type of load that can trigger the buried weak layers.
Snowpack tests on this layer today produced easy results. Despite the easy results no avalanche activity was noted. This is a layer to approach cautiously over the next few days.
This layer is becoming less reactive. However, be observant of lee areas and how the layer may react at a local level.
Evaluate ridge top transitions where winds have buffed the surface into a slab. It rests on this suspect layer 30cm to 45cm down.
The strong mid-pack is bridging the layer well through the forecast area. Its spatial variability over the terrain does make it difficult to predict and snowpack tests show it to be very weak. Be careful in shallow start zones.
The 1-1.5m slab over the weak layers continues to settle and become more cohesive. This problem will take a while to heal and requires good terrain management. Be wary of open, unsupported slopes and convex rolls, particularly at tree-line and below.
The large cornices adorning the ridge-crests will see lots of sunshine and warming today, potentially destabilizing them and causing them to fall. The mass of these &quot;freight-trains&quot; smacking the slope could be the trigger to start a very large slide.
The Feb.10 interface of weaker crystals is slow to gain strength. Slab properties above this layer are becoming stiffer, and human triggering is very possible. These seem to be the most touchy on solar aspects where there is a buried suncrust.
These are becoming less reactive, but look for wind slabs in lees of alpine features and exposed areas.
At higher elevations wind slabs will be more abundant and thicker, similarly in cross winded valleys existing glacial terrain. The Feb 10th weakness has recently been found down 20-70cm between 2,200m-2,400m, but is hard to trigger.
We have seen very few avalanches from this layer in the past 2 weeks. A strong midpack , when present, prevents triggering from all but the largest loads. Where the snowpack is shallow triggering will be considerably easier.
The 1-1.5m slab overlying the Feb 10th weak layer is slowly bonding to this interface, but is still reactive in tests. This problem requires good terrain management, such as avoiding large convexities and sticking to supported features.
Cornices are a definite concern, given their size and mass. If they were to fail, they could be the big trigger to initiate an avalanche in the deeper layers.
Carefully evaluate ridge top transitions and start zones where the winds have pressed the surface into a slab. This slab rests above a persistent facet layer 30cm to 45cm down.
Now 80 to 130 cm thick, these slabs threaten serious consequence. While the potential for triggering has dropped, do not get taken by surprise: long propagations and remote triggering may still be possible. Limit your exposure to significant slopes.
Westerly winds picked up at ridge top on Tuesday building wind slabs in the Alpine. There is a lot of snow that remains available for transport: North and East winds forecast over the next few days may create slabs in unusual locations.
A weak, persistent layer is buried under a thick slab. This layer is becoming more difficult to trigger, but if triggered will propagate widely producing a very large avalanche. Choosing appropriate terrain is key in managing this problem.
Cornices may be destabilized by fluctuating temperatures. If they fail, they could be the big trigger to initiate an avalanche in the deeper layers.
Moderate north winds have begun to load and stiffen up the surface slabs in open areas. This slab rests above a persistent facet layer 30cm to 45cm down.
The Feb 10th layer continues to produce sudden collapse test results in many areas. The cold temperatures will tighten things up a little and begin to weaken the slab over this layer but it is still a concern in many of the areas in the park.
As this weak layer, buried down around 1 m, gains strength human triggered avalanches are still possible. Areas of concern are open, unsupported slopes, convex terrain and thin snowpack areas.
Cornices may destabilize by fluctuating temperatures.  If they fail, they could be the big trigger to initiate an avalanche in the deeper layers.
Moderate north winds have stiffen up the surface slabs in open areas. This slab rests above a persistent facet layer 30cm to 45cm down.
The Feb. 10th layer is still a prominent feature in the snowpack producing variable results. We are seeing less activity over the past few days, but is still a concern in many regions of the forecast area.
Recent winds combined with cold temperatures have created widespread 10-20cm thick wind slabs up to pencil stiffness. These will be smaller in size and wont be a problem for a long time, but are a concern in steeper unsupported terrain.
Strong winds, including reverse loading from northerly winds have created pockets of wind slab. Feel for these deposits of firm, wind packed snow that will be getting buried by new snow today.
New snow is expected to come in steadily with south winds and may slowly overload this interface. Watch for a reverse loading pattern from the south to north aspects because of the shift in wind direction.
This layer is slowly gaining strength however test results continue to show that wide propagations are possible in some areas which would lead to severe consequences. Sudden collapse results and low scores in propagation saw tests are still common.
Yesterdays North winds created thin windslabs in many locations which are now covered with new snow. The increasing W winds will also build new winds slabs over the next two days. Probe for these with your poles and avoid steep wind loaded slopes.
Soft slabs can be expected at higher elevations which is sitting over a weak layers of sun crust and facets. As winds and snow amounts increase this slab will tighten up and become more reactive.
The sun crust/surface hoar layer down 1-1.5m is still producing hard sudden results in snowpack tests. This indicates that the layer is difficult to trigger but will propagate widely if it does.
These slabs became less sensitive with cold temperatures and increasing depth. Now as conditions change with rapid loading and warming, limit your exposure to significant slopes. Do not get taken by surprise. Long propagations may still be possible.
Variable winds have been actively creating windslabs over the last week. Now with more snow and moderate to strong SW winds in the forecast, expect to encounter slabs as you enter open terrain.
The new snow and moderate SW winds are staring to build soft slabs in lee areas above tree line. Probe for these with your poles and avoid steep wind loaded slopes. Sluffing out of steep terrain is also expected as more new snow arrives.
Steady snowfall and light to moderate winds may produce new windslabs in exposed areas.
Soft slabs exist at higher elevations. They sit atop a variety of surfaces (suncrust, facets, wind slab), and have been touchy to human-triggering. As more snow falls and the temp's warm up, expect them to become cohesive and more reactive.
The suncrust/surface hoar layer down 1-1.4m is still producing hard, sudden results in snowpack tests. This indicates it is stubborn to trigger, but if initiated, it will propagate widely, producing large avalanches.
New low density storm snow is shedding from steep terrain in the alpine and may have enough mass to ruin your day.  Expect sluffing on steeper slopes at all elevations.
Although winds are expected to remain relatively light, there have been several wind events in the past 48 hours with shifting gusty winds in the moderate to strong range that may have produced new windslabs at upper elevations.
This layer is gaining strength but tests and whumphing still show there is potential for wide propagation in some areas.&nbsp; Any avalanche on this layer could lead to severe consequences.
Soft to hard windslabs, generally 30 cm thick, can be triggered in lee terrain.&nbsp; In steep terrain, the snow is gaining cohesion to act like a storm slab. The new snow sits on a low density cold layer of snow that will take several days to bond.
Several loose snow avalanches were observed pouring over cliffs today to size 1.5.&nbsp; Winds will continue to be gusty for the next 2 days. Pay attention to terrain over head.
Field teams found touchy soft slabs in open alpine and tree-line lee features yesterday. These slabs appeared to be failing within the new snow, but some were popping very easily off the suncrust on solar aspects.
Lingering deep (1-1.4m) in the snowpack, the surface hoar/facet/crust sandwich continues to produce hard, sudden results in tests. If a large enough trigger gets this layer to fail, avalanches will be very large.
Steep alpine faces are sluffing regularly as new snow accumulates.
This avalanche problem remains a concern and may become more sensitive to triggering as temperatures rise and penetrate into the snowpack.
Lots of fresh snow and moderate southerly winds have created touchy wind slabs 40-60 cm deep in the alpine.
Test results on the Feb 10 layer generally in the moderate range but still show lots of potential for good propagation if triggered. Recent storm snow may be enough to activate this layer (see avalanche details). Lots of uncertainly with this layer
A touchy slab lurks on the slopes, and were easily triggered by field teams and artillery control at all elevations. As it becomes more cohesive from snow-load and warming temp's, we expect this slab to propagate easily.
The facet/crust &quot;sandwich&quot; is buried 120-150cm below the surface now. It is still producing hard, sudden results in tests, indicating that it can will propagate if a large enough trigger hits it. Avalanches digging into this layer will be large!
Little wind has accompanied the new snow of the past two days. Sluffing out of steep terrain may be of concern, particularly for ice climbers.
This problem has yet to materialize in full force, but with rising temperatures and forecast winds we expect this surface condition to become quite touchy over the weekend.&nbsp;
Test results on the Feb10 layer mainly in the moderate range with potential for wide propagations if triggered. The recent snow has been shown to overload this layer in the Kootenay,Sunshine, Yoho areas, and less so in the Louise region and Hwy. 93N.
Lots of recent snow and moderate westerly winds have created touchy wind slabs 40-60cm thick in many wind exposed areas.
Up to 55cm of new snow has arrived over the last week. Warm temperatures are helping it settle but it is siting on a variety of sun crust, old windslab or facets. Warm temps on Sun could provide a trigger for this layer.
Moderate to strong westerly winds have been building windslabs on lee slopes below ridge crests in the alpine and at treeline. These will continue to build over the next few days. Expect to encounter slabs as you enter open terrain.
These slabs became less sensitive with the increasing snowpack depth. As temperatures warm to ridgetop for Sun limit your exposure to significant slopes. Do not get taken by surprise. Long propagations may still be possible.
Warming temps through the storm created a punchy storm slab that is sitting on a variety of weak surfaces. Avalanche control proved that this slab is reactive and produced large avalanches. The slab may be more reactive in wind-exposed terrain. 
This last storm, and the forecast dump of snow this weekend, may wake a weak persistent layer up. This layer, buried ~1.5m deep, is still reactive in snowpack tests and if triggered will produce very large and destructive avalanches.
Sluffing out of steep terrain is a concern, particularly for ice climbers. Loose slides are overloading the snowpack in the alpine and have triggered slabs below.
Open areas at tree line and above are beginning to show signs of wind effect and slab development.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> This layer is especially touchy around Sunshine and in Kootenay on steep features at treeline and below. There have been several </span><a href="https://www.facebook.com/photo.php?fbid=635006586549334&amp;set=a.589955951054398.1073741839.145133538869977&amp;type=1&amp;theater" target="_blank"><span class="s_9255B882">skier triggered avalanches</span></a><span class="s_AA239A9B"> to size 2 in past 36 hours and </span><a href="https://www.facebook.com/photo.php?fbid=635006599882666&amp;set=a.589955951054398.1073741839.145133538869977&amp;type=1&amp;theater" target="_blank"><span class="s_9255B882">explosive triggered avalanches</span></a><span class="s_AA239A9B"> to size 3 today.
There are thin windslabs from the last storm on lee features that are reactive to explosives (size 1-2). Expect new windslabs to develop with incoming snow and wind over the weekend.
60 to 80 cm of warm/moist snow has formed a rider triggerable slab. Natural avalanches are expected this afternoon with rising temperatures and more snow load. Remote triggering is also a concern, watch out for adjacent slopes.
A deep weak layer buried at the end of January is down around 1.5 m. Although we have not observed any recent skier-triggering of this layer, artillery control triggered this layer on the west side of the park, releasing a size 3.5.
Recent storms with warm temps and West winds have created slabs and built cornices. Wet slabs are failing BTL and solar aspects, cornices and windslabs are failing at TL and above.
The weak February facet layer is now buried up to 170cm deep. Large loads such as cornices have triggered this layer where it is deep and it has failed with sluffing and heating where it is shallow. Long propagations are possible with this layer.
Solar heating will likely result in these events occurring to ridge tops Saturday. Warm temps as well as the rain expected Sunday will cause these events at low elevations. Be aware that these small events may act as the trigger for deeper slabs
Storm snow showing dangerous slab properties, use extra caution when entering steep open areas.
Wind slabs more prevalent in the Ice Fields area where moderate SW winds and mild temps have created touchy slab properties in all open areas.
Dense snow is overloading the Feb.10th interface and will continue through Sunday. 
Strong winds, new snow and warm temperatures are forming wind slabs in lee terrain and are likely to be triggered with light loads such as a skier.
80 to 100 cm of warm/moist snow has formed a rider triggerable slab. We are currently seeing natural avalanches in the storm snow, some running to end of runnouts. Minimize your exposure today by skiing in mature forest.
A deep weak layer buried at the end of January is down 1.8 to 2 m.&nbsp; Smaller avalanches could step down and trigger as large, high consequence avalanche on this layer.
Very little natural activity has been observed in the storm snow in the lower elevation bands. Loose wet slides will become the concern as the storm passes and the sun bakes the solar aspect.
We have had very limited observations in the alpine due to visibility. Be especially cautious as you approach open areas and ridge crests with visible wind effect.&nbsp;
The recent storm snow and wind slabs will slowly begin to bond to the lower layers in the snowpack but this will take some time. Choose conservative terrain with no overhead hazard until this has a chance to bond.
The Feb 10th layer continues to be reactive in many areas especially at tree line. Avoid any steep terrain until this has a chance to bond.
30cm of heavy snow with wind fell yesterday over much cooler and lighter snow. This combination is what caused a large avalanche cycle. Storm snow instabilities will still exist in the upper 1m and will need some time to bond to be trusted.
A sun crust down ~1m is well within the range of human triggering on south and west aspects. The February surface hoar/crust layer down ~1.5-2m which can reawaken with a heavy trigger such as a large cornice release.
There has been several avalanches observed&nbsp; running in the recent storm snow. Avalanche control produced 30 - 70 cm thick slab results on NE aspects.
ont-weight: bold;font-size: 13px;color: #000000; } 
.s_9255B882 { font-family: 'Arial';font-style: Normal;font-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> The recent snow has overloaded this layer. Although natural activity is tapering, this layer remains </span><span class="s_2823317B">VERY</span><span class="s_AA239A9B"> touchy as seen by two very </span><a href="https://www.facebook.com/photo.php?fbid=636202979763028&amp;set=a.589955951054398.1073741839.145133538869977&amp;type=1&amp;theater" target="_blank"><span class="s_9255B882">close calls </span></a><span class="s_AA239A9B">today.
In thinner snowpack areas, many avalanches are initiating as a storm or persistent slab and are stepping down to this layer.
The storm slab will settle over the next few days, but is currently very touchy. Most avalanches are initiating on this layer and quickly stepping down to the deeper weak layers.
Storm snow instabilities are present from snowpack tests yesterday. There is wind affect above treeline and lingering windslabs may exist in exposed areas.
Cornices have grown from the last storm. Strong solar radiation with warming temperatures will mean an increased hazard of cornice fall for today and tomorrow.
2 buried weak layers have been reactive this week. Down ~1m, is a sun crust on south and west aspects. The other is the other is Feb. surface hoar/crust layer down ~1.5m-2m which still shows wide propagation potential in snowpack tests.
There has been several avalanches observed running in the recent storm snow.
Very warm temperatures and rain to 2300 meters on March 8 and 9 has settled the near surface instabilities with cooler night time temps. Thin wind slabs may be present in some aspects on this layer.
The weak facet layer is now buried by up to 170cm in treeline and alpine areas and below treeline is found down 50cm. Many avalanches fell over the weekend on this layer and it is a concern that may persist for some time. Triggering is possible!
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> Natural avalanche cycle is over but conditions are still very touchy and ripe for skier triggering. Any avalanche triggered has the potential to be very</span><a href="https://www.facebook.com/media/set/?set=a.636554726394520.1073741856.145133538869977&amp;type=1#!/photo.php?fbid=636554863061173&amp;set=a.636554726394520.1073741856.145133538869977&amp;type=3&amp;theater" target="_blank"><span class="s_9255B882"> large.</span></a><span class="s_AA239
Storm slab is still touchy and has potential to step down to deeper persistent layers.
The recent wind slabs from the latest storm are settling out, but they will be stressed by today's sun and rapid warming. The first couple of hours of intense sun will likely bring activity to this layer.
Cornices will also feel a little heavier today with sun and warming. Give them a wide berth. A party of 4 nearly went tumbling off Castor Peak's west ridge when they triggered a cornice that they were standing on.
There are two layers of concern. The first is a sun crust on S-SW slopes, buried ~1m deep. The second is the Feb 10 surface hoar/facet complex, down 1.5-2m. Both exhibit sudden failures, meaning there is potential for wide propagation.
Recent winds have created a slab condition in the alpine. Cornices are growing and we observed two cornice triggered avalanches today.&nbsp;
Natural activity has slowed down on this layer, but we have seen large avalanches over the past few days with the new storm snow overloading the Feb.10th interface. In some cases we have seen this step down to the basal facets in thin snowpack areas.
Mod to strong Westerly winds will be stiffening the snow surface and transporting snow to lee aspects. These will be sensitive to human triggering for the next few days.
Watch locally for daytime warming in steep, solar features.
The surface slabs are settling out and bonding to the older interface, but if the temperatures rise more than forecasted, expect touchy conditions on south and west aspects.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">The Mar 2 and Feb 10 layers are buried 1m and 1.5-2m respectively. Test results are still exhibiting sudden planar results in the hard range, meaning a deep slab could </span><a href="https://www.facebook.com/photo.php?v=637161176333875" target="_blank"><span class="s_9255B882">propagate widely.</span></a><span class="s_AA239A9B">
Large cornices still linger along ridge-crests. These beasts have the potential to trigger deeper layers, so give them a healthy dose of respect and steer clear of them.
Recent winds have created a slab condition in the alpine. Cornices are growing and we observed two cornice triggered avalanches yesterday.
In thinner snowpack areas, this layer is still touchy as shown by numerous large whumphs and sudden collapse results today. It is especially reactive on solar aspects where there is a buried sun crust and may be less reactive in deeper snowpacks
Recent moderate to strong west winds have stripped fetches and loaded the lees. Lee slopes will be quite touchy and the loading may be enough to trigger natural avalanches
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">We are expecting over 50cm of snow this weekend, with strong westerly winds. This will rapidly load the persistent weak layer down 1.5-2m. This layer continues to be </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://avalancheinfo.net/Images/BLong-8436.jpg" target="_blank"><span class="s_9255B882">reactive and surprise people</span></a><span class="s_AA239A9B"> throughout the region, producing impressive avalanches.
Lots of new snow, with wind, through the weekend will form a new storm slab. This slab will likely be most reactive where it overlies suncrust, but will also bury small surface hoar. If triggered, this slab may also step down deeper.
New snow Fri is starting to build windslabs on lee slopes. The storm snow forecast for Sun/Mon will build these deeper. These will need some time to settle.
The layer down 70-170 cm is still active as demonstrated Thur with avalanche control work up Akamina. Any slope not yet slid should be a concern. Windslabs, cornices, storm slabs or wet loose avalanches could step down and result in large avalanches.
This layer is still touchy in thin snowpack areas (especially where there is a buried sun crust), and large whumps and sudden collapse results have been found. With limited observations this layer now seems less reactive in deeper snowpack areas.
Lee slopes will be loaded from recent strong westerly winds. With more wind and snow in the forecast, these wind slabs will increase in likelihood and size through the weekend.
With the new snow, expect the Feb 10th layer of facets, surface hoar, and some buried sun crust to &quot;wake up&quot;, especially in thin and variable snowpack areas.&nbsp;
We will have wind slab development in any exposed areas with the new snow and forecasted mod-strong west winds.&nbsp; Failure of these may step down to the Feb. 10th interface.
We've had a significant amount of snow overnight. Combined with the mild temperatures, the southerly winds which have started to pick up and the crust which it sits on, the new storm slab will be highly reactive to human triggering.
This sudden heavy snow load is likely to reawaken the deeper persistent weak layers creating very large avalanches. Avoid crossing avalanche paths until the storm ends and temperatures cool down.
As yesterdays avalanche indicates, the basal weaknesses are still susceptible to human triggering. Use caution in steep, shallow areas that have not previously avalanched.
Closely associated to the new storm slabs, wind-slabs will be located at higher elevations in direct lee areas. Because of wind transport the wind slabs will be thicker (up to 40cm) than the storm slabs and potentially more touchy.
The avalanche cycle in the alpine has eased from earlier in the week but we will see it ramp up with more snow on Saturday night. This loading pattern is looking perfect for increasing the size&nbsp; and instability of existing cornices.
The avalanche cycle in the alpine has eased off but we expect this to ramp up with the onset of heavy snow and strong winds on Saturday night.
Where wind slabs overly the February 10th facet layer very touchy conditions exist. This is borne out by numerous incidents of skier accidental and remotely triggered avalanches in the last few days.
The 35cm of snow that fell in the last day has been observed to travel far and fast when it fails. Loose snow slides are likely with any solar affect particularly at lower elevations.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
65cm has fallen over the last 4 days with strong winds yesterday. On solar aspects this has buried a thick sun crust. Venturing out into larger terrain is not a good idea at this point as this new load will need some stabilization time.
Down around 1-1.25m is a buried crust from early March. Backcountry users have been reporting whoomphs and remotely triggering this layer prior to this latest storm. Extra caution on steep south and west slopes where the crust was well formed.
The February deep instability, down1.5m-2m will need a large trigger to be initiated. Although the sudden snow loading has ended, it may get triggered by a large cornice for or from a shallower avalanche.
Wind slabs can be found on sheltered lee aspects in the alpine and if triggered could step down and release a larger slide.
The 30-40cm of snow from the last few days is sitting on crusts or moist snow that could provide a poor bond. Daytime heating could trigger these instabilities on south facing aspects but they may persist on cooler north aspects for a few days.
Previous windslabs are lurking just under the surface and now there is a lot of snow available for transport to start building new ones.
The chance of triggering the deep weak layers from early February are diminishing but these layers have not completely disappeared. Any slope that have not slid should be suspect for possible large destructive avalanches.
The Feb 10th layer continues to produce whumphs, natural and remote avalanches and skier triggered avalanches. It is especially sensitive in thinner or cross loaded snowpack areas and places with a buried sun crust.
The recent storm slabs are between 40 and 80cm thick. In general they seem to be bonding well but use caution in steep or wind loaded features.
Lingering storm slabs instabilities may exist from the last storm two days ago and the associated wind. 2 crusts have been recently buried by this. Caution in more exposed areas where the wind had a chance to stiffen the snow.
A weak layer from early March within the range of rider triggering may catch you by surprise. Triggering this layer is more likely on steep south and west aspects where the crust had a chance to fully form.
The deep instability from mid February , down around 2m will need a large trigger to be initiated like a cornice fall or shallower avalanche. It should not be overlooked by backcountry users due to the  large consequences should it be triggered.
We are seeing less activity with this problem as the days go by. It is still touchy and what is left is a low likelihood but high consequence situation if it is triggered.
The storms slabs will continue to settle. However, as they settle, they will become more cohesive and the likelihood of triggering will be the same for a few days yet.
The &quot;drought layer&quot; (Feb 10) has been sensitive in the past week, contributing to numerous large avalanches. Pay particular attention to moraines at treeline and crossloaded features in the alpine.
With lots of new snow available for transport, new windslabs will be forming in exposed areas as the winds increase in the next couple of days.
35cm of recent snow is settling rapidly. Although this snow appears to be bonding well, caution is warranted in steep terrain. It is a good idea to test the storm snow interface prior to committing to your line.
The recent storm snow has been redistributed by winds. The resulting soft slabs sit atop various old surfaces, including crusts on solar aspects and small surface hoar on northerly aspects. The slabs will remain reactive for a couple more days.
The early March crusts are buried by over a metre of snow, but are still triggerable by people. They are more likely to fail on steeper S and W aspects.
In Rogers Pass, the Feb 10 surface hoar/crust sandwich is buried over 2m deep. We are still seeing hard, sudden test results on this layer. If a very large trigger smacks the slope, there is the potential for a huge avalanche.
With lots of snow available for transport, we suspect recent windslab formation in the alpine in exposed areas.
Activity on the Feb.10th of facets, surface hoar and buried suncrust is starting to taper off, and it is a lowered likelihood with large consequences scenario.  Some slides have been observed to step down to ground in thin snowpack areas.
Storm slabs formed in the last few days will be less sensitive to triggering as time goes on.  Forecast snow may build on these on Thursday.
The recent storm snow is settling into a cohesive slab, particulary in wind affected areas. Various weak layers within, and just below, the slab exist and may be triggered by skiers or snowboarders. It may become more reactive during sunny periods.
This layer is patchy which makes it difficult to predict. It is likely to be most reactive on solar aspects where it is comprised of a sun crust with surface hoar. If triggered it has properties and is deep enough to result in a large avalanche.
The late Jan/early Feb persistent weak layer is still active. Very large and impressive avalanches have been triggered by rapid loading during storms, avalanche control, and skiers remotely triggering (fortunately in a safe spot) from shallow areas.
The &quot;drought layer&quot; (Feb 10) has been sensitive in the past week, contributing to numerous large avalanches. Pay particular attention to moraines at treeline and cross-loaded features in the alpine.
Windslabs are forming in wind prone areas below lee ridgelines at treeline and above.
Another 15 cm of new snow fell on top of this past weekend's 35cm storm. Although this snow appears to be bonding well, caution is warranted in steep terrain. Test the storm snow interface prior to committing to your line.
Feb 10 shears tightening up in deep snow pack areas west of the divide. In shallower snowpack areas this interface still producing whoomphing and easy to moderate shears.
Recent snow combined with mild temperatures and West winds have created soft slabs. These slabs are sitting on a variety of surfaces including rain crusts, sun crusts, old wind slabs and the interface to the previous storm snow and are 25-40 cm deep
New snow is sluffing off of very steep terrain and moving with skiers on steep slopes. Manage your group carefully and be aware of your sluff. Avoid confined terrain features such as gullies where these small slides could focus and gain more energy.
As the snowpack cools this week it is gaining strength. The weak layer from early Feb may still be an issue but this is likely limited to thin areas at higher elevations under current conditions.
Snow amounts have slowly been accumulating over the last few days and storm snow instabilities may catch you by surprise. Caution on unsupported slopes or wind affected areas. This new snow is likely to produce some fast sluffing on steep slopes.
This layer is deep enough to cause a large avalanche and shallow enough to be triggered by people, a dangerous combination. It's been most reactive on solar aspects where the crust is thickest and most likely to be triggered from shallow snow areas.
The deepest instability within our snowpack is down around 2m. Large triggers have produced very big avalanches on this layer into last week. It remains on our watch list, and it's another reason to avoid shallow snowpack areas.
Slowly this layer is becoming less reactive, but it remains a concern. Field tests, particularly on southern aspects, confirms this. It's now down 80-120 cm and more likely triggered from thinner areas or by larger loads.
A 5 cm thick suncrust with facets on top exists on solar aspects with moderate sudden shears and is down approximately 40 cm.. An avalanche triggered on this layer could step down to the Feb 10th layer resulting in a larger avalanche.
Confined to immediate lee of alpine features.
Windslabs are forming in wind prone areas like below lee ridges at treeline and above.
Trickling snow over the last 4 days amounted to 60cm at tree line. Instabilities in the upper snowpack from the recent snow load may exist particularly in exposed areas that saw some wind.
Reports of whoomphing and natural activity observed on this layer yesterday indicate it's volatility. This layer is deep enough to cause a large avalanche and shallow enough to be human triggered, a dangerous combination.
Large triggers have produced big avalanches on this layer, down ~2m. It remains on our watch list and it's another reason to avoid shallow snowpack areas.
We are finding moderate to hard sudden collapse results on the Feb.10 interface. Thin and variable snowpack areas will be the easiest places to trigger this interface.
A 5cm thick suncrust with facets on top exists on solar aspects with moderate, sudden shears down 40-60cm. An avalanche triggered on this layer could step down to the Feb.10 interface causing a larger avalanche.
The &quot;drought layer&quot; (Feb 10) has been sensitive in the past week contributing to numerous large avalanches. Pay particular attention to moraines at treeline and cross-loaded features in the alpine.
Windslabs are forming in wind prone areas like below lee ridges at treeline and above and cross-loaded gulley features.
Storm slab instabilities may exist and may pop with human triggering, solar warming and newly formed soft slab in the lee of ridge crests.
The Mar 2nd crust is dwn around 1.25m. The slab overtop the weak layers down 1-1.5m continues to settle and become more cohesive.
The Feb 10 layer may be a concern with very large triggers or thin snowpack areas in rocky terrain.
Windslabs continue to form and be covered by intermittent snowfall. Pay attention to wind affected terrain above treeline.
The Feb 10 layer will be touchier in the Eastern portion of the forecast area, less in the West. In addition to Feb 10, the Mar 13 layer, a suncrust on South aspects, can be found down 40-60cm. Snowpack tests on this layer produced moderate results.
Storm slab instabilities newly formed soft slab in the lee of ridge crests may exist and pop with human triggering.
Snowpack tests yesterday show the Mar 2 layer down ~1m to still be reactive with large consequences if triggered. Shallow snowpack areas, like slopes that have lots of rocks poking out, seem to be the most likely areas for this to happen.
Another deep weakness in the snow pack is the February surface hoar/crust layer. Large triggers, such as a cornice fall or a running avalanche, will be needed to step down to this layer.
Wind slabs continue to form and be covered by intermittent snowfall. Pay attention to wind affected terrain above treeline.
The Feb 10 layer is touchier in the eastern portion of the forecast area, less in the west. In addition to Feb 10, the Mar 13 layer (suncrust on south aspects) can be found down 30-60cm. Snowpack tests on this layer have produced moderate results
The late March sun is packing a lot of punch. If the sky doesn't cloud over tmrw, we may see some natural activity out of steep rocky solar terrain.
With significant warming Tue and  incoming precipitation for the rest of the week, expect these slabs to become more reactive. Small changes in aspect and elevation seem to change the nature of these slabs so monitor what you are skiing on closely.
This weak faceted layer from early Feb may still be an issue in isolated thin and high elevation locations. With the changing weather in the next few days, snow is likely to be moving: a falling cornice or small avalanche could trigger this layer.
The early March weak layer down ~1m is reactive in snowpack tests with hard sudden results. We still see sporadic large avalanche events that fail on this layer. Choose supported slopes that have uniform snow cover.
Deeper in the snowpack is the February surface hoar crust layer. Large triggers, such as heavy snowfall or cornice fall will be needed to get this layer to fail.
The &quot;drought layer&quot; (Feb 10) has been quietly dormant. Expected snowfall this week could 'wake' this layer up. Pay particular attention to moraines at treeline and cross-loaded features in the alpine.
Ever present in the forecast area, expect slabs in wind prone areas like below lee ridges at treeline and above and cross-loaded gulley features.
The Feb 10 layer is touchier in the eastern portion of the forecast area, less in the west. In addition to Feb 10, the Mar 13 layer (suncrust on south aspects) can be found down 30-60cm. No shears were found on Mt Field today during snowpack tests.
New snow overnight will have formed soft slabs in alpine and tree-line lee features. In wind-sheltered areas, it will likely be good quality skiing.
The early March weak layer is still reactive with hard, sudden planar results in tests. Sporadic large avalanche events are still occurring on this layer, so heads-up with the new loading overnight. Stick to supported features today.
Lingering deep in the snowpack is the Feb 10 surface hoar/facet/crust layer. A large event occurred north of Rogers Pass 2 days ago, reminding us that a large trigger could create a very widely propagating avalanche with devastating results.
Expect to find new slabs in wind prone areas on lee ridges at treeline and above and in cross-loaded gulley features. Loading continues in these open areas and can overload the slope quickly.
Lee features continue to load and the potential exists to trigger these deep instabilities. Carefully evaluate your time spent under overhead hazard before committing to terrain.
There are two layers of concern in the upper meter of the snowpack that continue to produce shears in isolated areas and have a high degree of uncertainty. Be very mindful of this problem in areas that have not previously avalanched.
40 cm of loose snow is available to be blown into soft slabs by the wind. So far this storm has brought light winds, but we expect small windslabs to develop at the highest elevations where there has been some wind.
Loose dry sluffs are running easily and gaining mass as they progress down the slope. Generally only small slides are anticipated, but watch your exposure to cliffs and trees as these can easily knock you off your feet.
Yesterdays new snow bonded poorly to the snow below and became very reactive as the temps warmed up. Loose, moist avalanches were easily triggered by skiers. These avalanches were at the smallest &quot;knee-twisters&quot; but some grew to size 2.5.
Weak layers from early March, now buried a meter deep, are still reactive in tests. They are most likely to be triggered on solar aspects where sun crusts exist. Smaller avalanches may step down to these layers, resulting in a big avalanche.
A persistent weak layer from late Jan/early Feb remains a serious concern as it continues to be responsible for very large avalanches. This layer is variable in its distribution, is now buried up to 2m deep, is hard to trigger, and harder to predict.
Expect slabs in wind prone areas like below lee ridges at treeline and above and cross-loaded gulley features.&nbsp;
he &quot;drought layer&quot; (Feb 10) has been dormant for over a week now. Warming temperatures and continued wind-loading could 'wake' this layer up.
The new snow fails easily on steep slopes: Manage you group carefully and avoid confined features such as gullies.
Up to 25cm&nbsp; of new snow over the March 26 interface will quickly form a slab with mild temps and the forecast winds. On solar slopes these slabs will be found over a crust and may be particularly touchy.
70 to 110cm of snow is now settling above the early March Crusts. Variable shears persist in these slabs and they are well worth bearing in mind particularly as heating becomes more of a factor in the days and weeks to come.
Watch out for sluffs, as several big ones have been noted today and yesterday - particulary on steep, south facing terrain where a firm suncrust underlies this new snow. Check your exposure and make sure you don't get pushed into any obstacles.
In areas of the park with a weaker snowpack we remain concerned about the Feb 10 layer of facets and surface hoar located in the middle of the snowpack. This layer remains, and caution is advised in specific areas such as the burns in Kootenay Park.
20cm of new snow from earlier this week has bonded poorly to the snow below. It is especially reactive on solar aspects, where it is rapidly destabilized by even a little bit of sun. On lee aspects, soft slabs may exist from windloading by SW winds.
Wind slabs in immediate lee areas have the potential to step down and create large full depth avalanches.
This avalanche condition is quite uncertain and large slopes should be treated with caution. Especially those with recent wind loading or those that face the sun.
More sluffs observed today on South and North aspects, up to size 2. Watch your exposure to steep terrain overhead, especially if the wind gusts pick up.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> In areas with uneven, shallower or weaker snowpacks, we remain concerned with the Feb 10th midpack layer of crust/facets/surface hoar (Kootenay burns) and the </span><a href="https://www.facebook.com/media/set/?set=vb.145133538869977&amp;type=2#!/photo.php?v=643191412397518&amp;set=vb.145133538869977&amp;type=2&amp;theater" target="_blank"><span class="s_9255B882">basal facet layer.</span></a><span class="s_AA239A9B"> Stick to lower angled well supported terrain in these areas.
This is not yet a wide spread issue and only a few soft wind slabs to size 2 were observed today in the immediate lees of terrain. Monitor slab development with wind gusts tomorrow as this may develop into more of a problem.
A weak layer down 20-30 cm is still reactive to skier-triggering. Use caution on unsupported features and convex terrain. Watch for changing conditions as temperatures warm up today and surface crusts deteriorate.
Expect slabs in wind prone areas like below lee ridges at treeline and above and cross-loaded gulley features.
The &quot;drought layer&quot; (Feb 10) has been dormant for over a week now. Warming temperatures and continued wind-loading could 'wake' this layer up.
In areas with uneven, shallower or weaker snowpacks, we remain concerned with the Feb 10th midpack layer of crust/facets/surface hoar, and the basal layer. Choose conservative, well supported terrain in these areas.
These are mainly confined to the immediate lees of ridges. Monitor slab development with wind gusts tomorrow as this may develop into more of a problem.
The recent storm slabs have been slow to bond and remain in the skier triggerable range. Lee aspects in the alpine and treeline elevations are the more likely areas for a slide to propagate. Low elevations may have possible moist sluffs.
The Mar 2nd crust is down around 1.25m. The slab overtop the weak layers down 1-1.5m continues to settle and become more cohesive. The Feb 10 layer down 2m is a major low probability high consequence concern.
Although this problem still remains, triggering still remains possible. As time goes by it will become less likely that people will be able to trigger this layer.
Some light wind at the ridge tops has produced windslabs. Likelihood of triggering and layer thickness is uncertain.
Expect slabs in wind prone areas like below lee ridges at treeline and cross-loaded gulley features in the alpine.
Although the Feb10 layer (down 60-90cm) has been dormant in the past several days, it remains a concern and has produced several large avalanches this week. Large triggers and shallow areas may still produce avalanches failing at this interface.
We`ve had some incremental loading, 30cm in 3 days. The sun is expected to poke through the clouds today so expect conditions to become more dangerous as the day progresses, specially on the solar aspects if that happens.
Many weak layers are buried within the snowpack in the upper 2m. These are all deep enough to cause large avalanches that will inflict significant damage. Shallow areas and day time warming are most likely to trigger them.
Expect slabs in wind prone areas like lee ridges at treeline and cross-loaded gulley features in the alpine.
Several avalanches have been observed deep in the snowpack over the past 24-hours. Avoid shallow areas where the snowpack is weakest. These avalanches are very unpredictable, so choose terrain that avoids steep, rocky slopes.
Over 60 cm of snow has fallen over the past week, and that snow has now settled into a cohesive slab. Caution is advised in all avalanche terrain at treeline and above, in particular one should avoid exposure to avalanches during the heat of the day.
Recent warm temps and wind have contributed to the formation of a soft slab that has failed naturally over the last few days. This slab will become more sensitive to triggering with heating and could be triggered in steep or unsupported terrain.
Daily heating and the sun will create moist snow at low elevations and on solar aspects. Intense periods of radiation will trigger avalanches or cause cornice failures that could trigger avalanches as well.
Strong solar radiation is expected today. Think about getting off sun exposed slope when the crusts that formed overnight break down. Watch for loose avalanches below cliffs as an indication that things are becoming dangerous.
The sun will get deep into the snowpack today and could reawaken one of the many buried weak layers. Avoid slopes where rocks are evident on the surface as they are likely to attract more heat to trigger those layers.
Manage your groups exposure to the overhead cornice hazard. Remember that even though you may be on a shaded north aspect, if there's a cornice above you on the ridge it will be baking in the sun.
This problem represents a classic low likelihood high consequence situation. Areas that have not previously avalanched will be more susceptible to triggering.
Storm slabs will continue to settle. These slabs will be touchy on Southern aspects in the afternoon.
Recent storm snow has settled into a slab and is touchy on steep, unsupported terrain.
There is a fair bit of uncertainty associated with weak mid-pack layers.&nbsp; Although isolated, there have been numerous natural avalanches in the past 2 days that have failed in the mid-pack or on the ground.&nbsp;
The April sunshine is strong. If it pokes through the clouds today, expect solar aspects to destabilize quickly, especially at lower elevations.
There are numerous sliding layers buried in the upper 1-1.5m of the snowpack. If we see any strong sunshine today, there could be avalanches stepping down to these layers.
The spring-time cornices are large and looming overhead. They weaken with sunshine and warming temperatures, so plan your day to be away from them as things warm up.
The ground level weakness of facets and depth hoar appears to have woken up, and the main avalanche problem right now is occasional large avalanches failing on the ground. Avoid, or carefully select any large steep slopes at treeline or above.
Strong winds in front of Thursday's storm, combined with another 10cm of snow will make for small, but touchy windslab conditions at the higher elevations by mid to late afternoon on Thursday.
The upper 1-1.5m of the snowpack has numerous sun and temperature crusts within it. These may become sliding layers with day-time warming and the possibility of a strong April sun popping onto the slopes.
We have seen isolated activity on depth hoar and facets located near the base of the snowpack in thin areas mainly E of the divide. The main problem right now is triggering the occasional large avalanche that fails on the ground. 
With increased winds and some snow in the forecast, watch for wind slab formation in the lees of ridge crests over the next 24 hours.
This layer may be buried up to a meter below the surface in wind loaded areas. In such areas the upper snowpack may be providing bridging strength. Areas of shallow snowpack particularly adjacent to wind loaded slopes are of greatest concern.
Soft slabs were observed in the Alpine by a field team yesterday in the Asulkan drainage, and rising winds this morning will likely create more. Avalanche activity this morning is attributed to this problem.
Be aware that small avalanches have the ability to trigger larger step down avalanches.
Moderate SW winds in the Icefields are creating windslab conditions along alpine ridgelines cross-loaded features.
Results from this layer were seen on March 31st during a earlier warming event after a prolonged cool period.
Very low confidence in this basal layer of depth hoar as daily avalanches size 2-3 and large whumphs continue to be reported. Mainly a problem on the East side of the Continental Divide or in shallower snowpacks in Kootenay Park.
Wind slabs 15-25 cm thick were found in immediate lee terrain and failed easily in snowpack tests.
20cm of new snow with some added wind created some reactive conditions at the higher elevations these past two days. Watch for cracking and more 'slabby' feeling snow as you venture on the upper mountain specially in the lee of ridge features.
Many crusts on solar aspects are buried within the 1m range. At this depth they can be triggered by humans. Avoid shallow snowpack areas where it is most likely to initiate an avalanche on this layer.
Skiers looking for dry snow on the shaded aspects should frequently test the surface layers. A shear persists down about 30 cm with preserved stellar snow flakes and surface hoar. Caution in steep and unsupported terrain is advised.
Daily heating and the sun will create moist snow at low elevations and on solar aspects. As crusts break down avalanches will result. Cornices will also be affected by this heating and could trigger persistent slabs.
With significant heating in the forecast for Monday and Tuesday deep slabs may become active. Large loads such as falling cornices or smaller avalanches could trigger large avalanches on the March crusts or even the February facets.
Southwest winds are creating windslabs along alpine ridgelines and cross-loaded features. Their thickness and interface is variable depending on aspect, elevation, and localized weather influences.
Weak basal facets and depth hoar remain intact and should be on your radar. This deep weakness is difficult to predict and has severe consequences. The snowpack above appears to be bridging the weakness; however, allot of spatial variability exists. 
Thin areas mainly E of the divide are still susceptible to triggering basal layers causing larger avalanches. Big triggers such as cornice failures could be enough load to trigger an avalanche on the ground level
Isolated wind slabs in the lees of alpine ridge crests will still be susceptible to human triggering in the short term.
The snow load has steadily increased with winds up high. A surface hoar/crust layer is buried 30-40cm depending on aspect. As this snow becomes moist it will become more susceptible to human triggering.
The upper snowpack consists of many buried crusts on solar aspects. Triggering these layers is most likely from slopes where the snowpack is shallow and/or if there is strong solar radiation even if this is for brief moments.
Windslabs have developed along ridgelines and crossloaded features. Their thickness and interface is variable depending on aspect, elevation, and localized weather influences. It may be present on S aspects over slippery sun crust. Evaluate for this.
Weak basal facets should be on your radar. It is difficult to predict and would have severe consequences if triggered. Allot of spatial variability exists. Field team reports large tree shaking whumph Sunday, in the trees, E aspect, at 1800m.&nbsp;
Thin areas mainly E of the divide are still susceptible to triggering basal layers causing larger avalanches. Big triggers such as cornice failures could be enough load to trigger an avalanche on the ground level.
As freezing levels rise things will become more unstable particularly in steeper terrain and at lower elevations. Snow that is very heavy and creates pin wheels is an indicator that snow stability is decreasing.
We've had enough snow in the past few days to warrant some caution up high. Winds have been steady and combined with rising temperatures things will slab up a some more.
The deeper instabilities that exist in our snowpack can reawaken with the increase in temperatures or added weight of snow/rain. Avoid those shallow snowpack areas where triggering these layers is most likely.
Skiers looking for dry snow on shaded aspects should frequently test the surface layers.&nbsp; A shear persists down about 30 cm&nbsp; with preserved stellar snow flakes and surface hoar. Caution in steep and unsupported terrain is advised.
Although unlikely, a large load such as a cornice failure or another avalanche could trigger all of the snow above these strong crusts. Significant and sustained heating or rain may also allow these slabs to become active such as is forecast Monday.
Windslabs have developed along ridgelines and crossloaded features. Their thickness and interface is variable depending on aspect, elevation, and localized weather influences. Incoming winds and snow Tuesday afternoon will add to this condition.
The deep nature of this weakness is difficult to predict and would have severe consequences if triggered. A lot of spatial variability exists. Field team reports large tree shaking whumph Sunday, E aspect, at 1800m.
">Daily heating and the sun will create moist snow at low elevations and on solar aspects. As crusts break down Loose Moist or even Wet Slab avalanches will result. Cornices will also be affected by this heating and could trigger persistent slabs.
;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_E6FD2046">Skiers looking for dry snow on the shaded aspects should frequently test the surface layers. A shear persists down about 30 cm with preserved stellars and surface hoar. Recent winds and new snow have contributed to the growth of these slabs.
;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_E6FD2046">With significant heating in the forecast for Tuesday deep slabs may become active. Large loads such as falling cornices or smaller avalanches could trigger large avalanches on the March crusts or even the February facets.
With warming temperatures we expect to see an increase in avalanche activity on our deep facet layers especially in thinner snowpack areas or in places where a cornice fall could act as a large trigger. Minimize exposure to large slopes.
Moist surface sluffing and small wet slabs are likely on all aspects and elevations as freezing levels climb on Tuesday.  Stick to mellow terrain as even a small wet slide can be very powerful.
Several cornice failures have occurred in the region over the last couple days. These can act as large triggers and cause failures on the basal facets. Warm temperatures and strong winds will cause this hazard to increase over the next few days.
With high freezing levels, snow is particularly unstable on steeper terrain and at lower elevations. This heavy snow will pinwheel down the mountain, gathering mass, and is a clear indicator of snow stability decreasing.
The recent storm snow has not fully bonded to the underlying crust and surface hoar layer. Combined with the warm temp's, it has become a touchy surface slab that is reacting in higher elevation lee areas.
We may see the deeper instabilities reawaken with the warm temperatures, and possibly rain, moving into the snowpack. Try to avoid shallow, thin areas where a person could trigger a deeper weakness.
The warmer temperatures have the potential to wake this layer up, as demonstrated today on Cascade Waterfall (size 3).
Low elevation south aspects will be particularly susceptible to loose wet avalanches. This problem will be most active in the warm afternoons.
Cornices are quite large at the moment. Try to minimize your exposure to these features, especially with the warmer temps in the afternoon.
Continued wind loading and warming temperatures have increased the triggering sensitivity of this weakness. Strong SW winds on Tuesday were present across the region but most noticeable in the Columbia Icefields area
Strong SW winds on Tuesday have created slab conditions. SE aspects where buried sun crusts may provide a sliding surface should be approached with caution. Thin slabs will likely step down to the basal weaknesses near ground producing large slides.
High to extreme winds in the last 24 hours have formed wind slabs in exposed Alpine and Treeline areas where the snow was still soft and dry. Pockets of good dry snow may be found in protected North aspect areas above 2400m.
Be aware that step down avalanches are possible if storm slabs or wind slabs are triggered in wind loaded areas.
Daytime warming in thinner snowpack areas or larger triggers such as cornices may trigger this weakness. Thin rocky snowpack areas may also be susceptible to skier triggering.
Several natural cornice failures have been observed in the last two days caused by new snow loading and warm temperatures. Minimize exposure to overhead cornices.
Gusty SW winds have formed new wind slabs in immediate lee areas.&nbsp;
Most avalanches regardless of initial form are stepping down to ground. These are most common from shallow snowpack areas where there is little bridging strength in the midpack and the thermal energy is greatest. Rocky areas are also dicey.
Strong South and Westerly winds are transporting the 10-15cm of new snow from the 8th. Rain fell below 1,800m. Field tests at 2,300m produced an easy shear above an old sun crust on the 9th. At lower elevations the slab is less well developed.
There may be lingering surface slabs at alpine and tree-line elevations, due to the strong winds accompanying the last snowfall.
The large size 3.5 from Moccasin Flats 36 hours ago shows the persistent slabs have not gone away. Larger triggers, like cornices or surface avalanches, may step down to deeper layers.
Most observed avalanches in the past week are stepping down to this layer. Frequently observed between 2200-2400m and triggered by  wind loading, cornice falls of solar exposure. Most common in shallow areas or near rock outcrops.
Strong to extreme southerly winds continue to form slabs dating from early April. Slab activity stepping to ground quickly. Buried sun crust can present a sliding layer as seen at 2300m near Marmot. Sheltered snow can be found at treeline and below.
Although conditions are improving, it is still a good idea to avoid large, steep (&gt;35 degree) slopes in areas where the total snowpack depth is &lt;200cm. Use your probe and to check for snowpack depth and strength.
April is cornice season, and on most days we observe a cornice failure. Expect these on an almost daily basis this time of year, as the mountains shed their snowpack. Try to avoid traveling under cornices, or do it early while it's still cold out.
With poor freezes the last few nights and clear days, solar heating has allowed for widespread activity. Expect this activity to dissipate with cooling and clouds but to resume as the sun returns.
West winds continue to transport snow at treeline and above on shaded aspects. Expect to find slabs to increase in their development as you ascend into the alpine
The lower layers of the snowpack remain weak in many areas but are most likely to be triggered by a large load such as a cornice or smaller avalanche in thin areas at high elevations.
The 10-15cm of snow from a few days ago was redistributed by strong winds, creating windslabs in exposed alpine and tree-line locations.
Without a good refreeze, there is less structure to the snowpack to prevent it from stepping down into the lower persistent weaknesses. The large size 3.5 from Moccasin Flats 2 days ago illustrates the potential destructive force lingering out there.
Colder weather will add a little more stability to the snowpack. It is still too early to move out onto big alpine lines.
Most observed avalanches in the past week have stepped down to this layer. Triggers include: wind loading, cornice fall and solar exposure. Most commonly triggered from shallow areas or near rock outcrops.
Gusty moderate SW winds continue to form slabs dating from early April. Sheltered snow does exist at treeline and below.
New snow in the past weak is possible to skier-trigger.  Watch for hard, wind-deposited snow on lee features in the alpine.  Storm slabs failing on crusts is possible at lower elevations.
Weak layers buried deeply in the snowpack are still releasing naturally and producing avalanches up to size 3.5.  Warm temperatures and solar inputs elevate this hazard. Large, heavy triggers like cornice falls could trigger a large avalanche.
Triggering this layer is most likely during warm periods and from thin rocky locations. Large triggers such as cornices may also trigger this deep weakness. This hazard will gradually increase as temperatures warm up over the next few days.
With tomorrows clear skies and sunshine we will likely see loose wet slides on steep S aspects in the afternoon.  Cornice failures are also possible as things warm up. Plan to finish your trips by early afternoon.
Fat windslabs are present below ridgelines and on cross-loaded features. The bond between these slabs and the snow beneath is uncertain, however, warm temps and solar exposure will weaken them.
Large triggers such as cornice fall or smaller slab/loose wet avalanches may trigger this weakness. Skier could trigger from shallow areas or near rock outcrops.
Slopes that have been baking in the sun can fail as a slab on crusts and on higher alpine elevations on North lee aspects.
The Mar 2nd crust and Feb 10 layer can be triggered by heavy loads such as cornices or loose wet slides, a likely scenario with the forecast strong solar inputs.
The big question for this avalanche problem is heat. Under current cool conditions it is nearly dormant. However, when we receive the first real blast of heat...pay attention.
Low elevation solar aspects are the main features to be aware of. Of course, if it remains cool little activity should be expected, add heat and south slopes could come alive with avalanche activity.
Windslabs are present below ridgelines and on cross-loaded features.  No avalanche activity has been observed on these slabs but field teams have not tested bonding.
If the sun has been baking slopes, there is the possibility of a slab avalanche failing on buried crusts. In the alpine slab avalanches could be triggered on lee North apects.
The Feb 10 layer is the monster that can be triggered by heavy loads. It is still a 3-5cm thick sandwich complex layer of SH, FC and crusts.
This problem seems to have calmed down in the last week, but we remained concerned and expect&nbsp; to see more of these avalanches when the temperatures warm up again.
Spring is cornice season and a great time to try and totally avoid exposure to cornices. If you must go under one, move quickly and reduce your risk by reducing your exposure time.
Snow flurries on Tuesday will add to the danger near ridge tops and into the alpine. Good skiing will likely exist in sheltered locations at lower elevations.
Even short bursts of solar heating can rapidly affect the snow this time of the year. With mild temperatures in the forecast, watch for rain to affect the snow at lower elevations.
Isolated and thin windslabs have been built in open features and can be found poorly bonded to crusts. Watch for these to grow or to become hidden with incoming snow.
Weak snow deep in the snowpack should be kept on the radar for those traveling to more exposed places. A large load such as a cornice fall or significant and sustained heating may wake this problem up in many locations in the near future.
Thin, variable slab is present in the alpine and tree-line. It appears to be bonding with the underlying interface, but some pockets in lee features may surprise a person.
Deeper persistent layers will require a large trigger to initiate, or a couple of people hitting a thin, weak spot in the snowpack.&nbsp;
This condition is most prevalent in the alpine near ridges and open bowl features. Near treeline the slabs are most threatening when sitting over buried sun crust on southerly facing slopes.
2 weak layers within our snowpack, down ~1m and ~1.2m that are producing tests results to be concerned about. Whoomphing and cracking may not be as prevalent due to the depth of the layer but if triggered the slab is likely to propagate.
Lingering shallower slabs at higher elevations may still be out there.
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. This problem is the culprit for the vast majority of the avalanches in the past week. Watch for remote triggers.
The wind affect will be encountered above treeline and above in wind exposed terrain.
Storm snow will continue to be redistributed by predominantly NW winds at ridge tops in the high alpine . Storm slab could become more active if warmer temps and or higher winds develop.
Dry loose snow avalanches are still possible in steep rocky and unsupported terrain.
Persistent weak layers buried down ~1m and ~1.3m are cause for concern. As temperatures rise the likelihood of triggering will increase and they are capable of producing very large avalanches. Be especially cautious on planar open slopes.&nbsp; </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. Watch for remote triggers.
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. This is the problem responsible for the majority of the avalanches in the past week. Watch for remote triggers.
Persistent weak layers buried down ~1m and ~1.3m are cause for concern. They are capable of producing very large avalanches and may be triggered by skiers. As temperatures warm over the next few days the likelihood of triggering will increase.
Many places have been ravaged by winds from many directions, especially in the alpine.  Watch for pockets of hard slab near ridge tops and cross loaded features..
Storm snow has evolved into a persistent slab mainly around  treeline. 
Persistent weak layers buried down ~1m and ~1.3m are cause for concern. They are capable of producing very large avalanches and may be triggered by skiers. Trigger points include steep alpine terrain, thin areas, and unsupported open slopes.
Storm snow has evolved into a persistent slab mainly around treeline. Widespread whumphing in open treeline areas was enough to keep our forecasting team on lower angle terrain without overhead exposure.
Many places have been ravaged by winds from many directions, especially in the alpine. Watch for pockets of hard slab near ridge tops and cross loaded features.
Thin windslabs can now be found at treeline and can also be seen at lower elevations around our ice climbs. Extensive wind transport is evident in the alpine areas.
At high elevations cooler temps will have only allowed thin crusts to form above the weak November Facets which may remain a possibility for triggering for some time. Use caution until more is know about alpine areas.
Storm snow has evolved into a persistent slab mainly around treeline and sheltered alpine slopes. Widespread whumphing in open treeline areas.
These slabs are found on exposed slopes and produced moderate to hard test results with failures in the facet layer near the bottom of the pack.
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. This is the problem responsible for the majority of the avalanches in the past week. Watch for remote triggering.
Although cold temperatures have reduced the tension in many wind slabs there are places that have been ravaged by winds from many directions, especially in the alpine. Watch for pockets of hard slab near ridge tops and cross loaded features.
Trigger points for the persistent weak layers buried down ~1m and ~1.3m include steep alpine terrain, thin areas, and unsupported open slopes.
These slabs are found on exposed slopes and produced moderate to hard test results with failures in the facet layer near the bottom of the snowpack.
Mild temperatures and moderate W winds will cause wind slabs to develop in exposed areas at tree line and above. Watch for pockets of hard slab near ridge tops and on cross loaded features.
Recent storm snow may be sitting on good sliding surfaces such as surface hoar and crust. The winds picked up overnight so watch out for areas that may be wind loaded.
Storm snow has evolved into a persistent slab mainly around treeline and sheltered alpine slopes. Widespread whumphing in open treeline areas.&nbsp; Propagation from&nbsp; whumphing is possible on steep unsupported slopes.
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. Owing to the delicate structure of these layers we expect this problem will persist for the foreseeable future. 
Mild temperatures and westerly flow will cause wind slabs to develop in exposed areas at tree line and above. Watch for pockets of hard slab near ridge tops and on cross loaded features.
Recent storm snow may be sitting on good sliding surfaces such as surface hoar and crust.&nbsp; Watch for small pockets of slab reactive on steep solar aspects. Expect increasing hazard as the temperature rises.
The primary problem in the snowpack is the interface between the recent storm snow and the November 6th and 24th facet/crust interfaces. Owing to the delicate structure of these layers we expect this problem will persist for the foreseeable future.
Thin windslabs can now be found at treeline. This slabs are thin and very localized and are easy to stumble into as they appear mid slope in front of you. With the warmer temps expected these slabs may become more sensitive before they improve.
At high elevations cooler temps have only allowed thin crusts to form above the weak November Facets which may remain a possibility for triggering for some time. Use caution TL and above especially in thin or variable areas.
Storm snow has evolved into a persistent slab mainly around treeline and sheltered alpine slopes. Widespread whumphing in open treeline areas. Propagation from whumphing is possible on steep unsupported slopes.
These slabs are found in sheltered locations, predominantly in high alpine locations.
Rapid warming with mixed rain and snow is leading to an increasing avalanche hazard.&nbsp; Recent storm snow may be sitting on good sliding surfaces such as surface hoar and crust.
Trigger points for the persistent weak layers buried down ~1m and ~1.3m include steep alpine terrain, thin areas, and unsupported open slopes.&nbsp; Once initiated avalanches triggered in the storm snow may step down to the deep persistent weak layers.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Recent wind loading has produced new touchy wind slabs on lee and cross loaded features in exposed areas. Some new natural avalanche activity, one skier accidental, and sudden planar compression tests were all observed today.
Storm snow has evolved into a persistent slab mainly around treeline and sheltered alpine slopes.
The primary problems in the snowpack are the Nov. 6th and 24th facet/crust interfaces. These layers are most reactive in alpine/ treeline areas where the wind has slabbed up the surface snow.
A heavy storm slab is building rapidly with moderate precipitation, warm temps and strong winds. It will bond poorly to the snow below and natural avalanches are occurring. Storm slabs may step down deeper resulting in very large avalanches.
Persistent weak layers that were very reactive earlier this season are expected to wake up again with the rapid loading that is occurring. These layers are capable of wide propagations and producing very large and destructive avalanches.
Recent wind loading has produced new touchy wind slabs on lee and cross loaded features in sheltered areas.
Snowpack tests continue to show collapse at several levels of weak facets near the base of the snowpack.  Avoid large slopes during this warm spell; wait for future cooling when the snowpack will stabilize and conditions will improve.
Snowpack tests continue to show collapse at several levels of weak facets near the base of the snowpack. Avoid large slopes during this warm spell; wait for future cooling when the snowpack will stabilize and conditions will improve.
A heavy storm slab that formed over the past 2 days will bond poorly to the snow below. Large natural avalanches have been occurring, running into valley bottoms. Storm slabs may step down deeper resulting in very large avalanches.
Persistent slabs at treeline and sheltered sub-alpine slopes are starting to get overloaded by recent snow and wind loading. Two size 2 skier remote slab avalanches were triggered in the Nigel Basin today.
Recent wind loading has produced new touchy wind slabs on lee and cross loaded features.
Above 2000m the crust above the weak November Facets is variable. Triggering may remain a possibility for some time. Use caution Treeline and above especially in thin areas.
Strong southwest winds have stripped windward areas and created fresh wind slabs in&nbsp; lee terrain at and above treeline. These windslabs are reactive to skier triggering.
Snowpack tests show that the weak facets at the base of the snowpack continue to be a concern.
Strong southwest winds have stripped windward areas and created fresh wind slabs in lee terrain at and above treeline. These windslabs are reactive to skier triggering.
A heavy storm slab that formed over the past 3 days will bond poorly to the snow below. Large natural avalanches have been occurring, running into valley bottoms. Storm slabs may step down to deeper instabilities.
Continued warm temperatures and rain at lower elevations are ideal to wake up buried persistent weak layers capable of wide propagations and producing very large and destructive avalanches.
Strong southwest winds have stripped windward areas and created fresh wind slabs in lee terrain in the alpine. These wind slabs will be reactive in the short term.
Persistent slabs at treeline and sheltered sub-alpine slopes are starting to get overloaded by new snow and wind loading.
Continued wind loading has produced very touchy wind slabs on lee and cross loaded features.
Storm snow layers up in the alpine are still suspect. We had 25cm of heavy snow over Dec 5 weak layer with strong winds. Some sunshine and the weight of a rider could be enough to trigger an avalanche.
Big triggers like a cornice fall is capable of initiating this layer which would produce a very large avalanche as it would encompass the entire snowpack. Watch your exposure to overhead hazard like cornices when the sun comes out.
Natural avalanche activity has tapered off but snowpack tests show that the weak facets at the base of the snowpack continue to be a concern. With a stronger upper snowpack, triggering an avalanche is less likely but the consequences remain serious.
Recent strong southwest winds have stripped windward areas and created fresh wind slabs in lee terrain in the alpine. If triggered these wind slabs can easily step down to the basal facets resulting in a larger avalanche than expected.
Deep persistent slabs at treeline and sheltered sub-alpine slopes still reactive from shallow areas within the snowpack.
Loaded, cross-loaded and re-loaded lee features still producing touchy slabs.
Storm snow layers in the alpine are still suspect. The last storm cycle deposited ~25cm of heavy snow on an existing week layer in the upper snowpack. Some sunshine and the weight of a rider could be enough to trigger an avalanche.
This layer is still failing with big triggers. A cornice fall in steep terrain is capable of triggering this instability and causing a large avalanche. Watch your exposure to overhead hazard like cornices.
Deep persistent slabs at tree line and sheltered sub-alpine slopes can be triggered from shallow areas within the snowpack.
Approach loaded, cross-loaded and re-loaded lee features with caution.
Moderate to hard sudden planar test results down 25cm and 50cm were observed yesterday from the field team on Bruins Ridge. Because of this we will keep this as a concern for a little longer.
There is a weakness at the bottom of the snowpack in some areas throughout the Park from the November crust.  Although it is difficult to trigger it should not be discounted. Large loads, like a cornice fall or triggering from a thin spot might do it
These deep persistent slabs at tree line and sheltered sub-alpine slopes may be triggered from shallow areas within the snowpack.
Following significant heating, these slabs are gaining strength as they refreeze. The facets and associated crust found near the base of the snowpack likely only remain a problem at elevations above at least 2400m but we have not traveled this high.
The new snow moves naturally and with skier traffic above the surface crust. Use caution in confined terrain such as gullies or in high consequence terrain such as above cliffs.
After a completely calm two days since the new snow fell, the wind is just now beginning to stir. Expect to find freshly formed windslabs in the days to come.
Weakness at the bottom of the snowpack in some areas throughout the Park from the November crust.&nbsp; Thin snowpack areas on a large alpine slopes are most suspect to release this layer. It is difficult to trigger but will have large consequences.
These deep persistent slabs at tree line and sheltered alpine slopes may be triggered from shallow areas within the snowpack.
The November crust weaknesses at the bottom of the snowpack are difficult to trigger, but if they fail the consequences will be very high.
The SW winds have blown for two days to affect ridgelines at treeline and above. Expect to find small, thin, freshly formed windslabs lurking near ridgelines and in the lee of open features. We would expect these to be more developed in the alpine.
The snowpack gained strength this week as it cooled down. The facets and associated crust found near the base of the snowpack likely only remain a problem at elevations above at least 2400m.
10-20cm of new snow will be quite reactive on a buried surface hoar layer, especially in steep terrain. Expect natural and skier triggered sluffing. Watch out for slab formation when warm temperatures, strong winds and additional snow arrive.
Natural avalanche activity has subsided but snowpack tests show that the weak facets at the basal level continue to be the big issue. The slab that rests on this weak structure may indicate some strength in places but in fact very little has changed.
This SH layer now sits below 20-30cm of new snow. A storm slab is developing at higher elevations and wind-exposed areas. These slabs will bond poorly to the SH interface. Avalanches on this layer may run farther than expected, easily entrain snow.
Light snowfall and moderate SW through into Sunday will lead to the development of wind slabs on sheltered aspects. Any significant accumulations that overly existing surface hoar crystals could produce touchy conditions in a few isolated areas.
The interface between the strong mid-pack and weaker basal facets is most susceptible to human triggering from shallow rocky areas.
A storm slab is developing, 25 to 30cm thick, at higher elevations and wind-exposed areas. These slabs will bond poorly to the surface hoar layer which it sits on. Avalanches on this layer may run farther than expected and easily entrain snow.
Wind loading producing wind slabs on lee and cross loaded features predominately below alpine ridge lines.
This layer can be found above 1900m and can be triggered from shallow areas in the snowpack.  A strong rain crust exists below tree line up to 1900m.
A 50cm slab sits over a very obvious surface hoar layer that reacted to human triggering yesterday. Sensitivity varies depending on drainage and elevation but the layer was observed to be almost everywhere and is a very real threat to riders.
The new snow load continues to slowly build and this could reawaken the Nov 9 layer at the bottom of the snowpack. Shallow avalanches running on the surface hoar can also trigger this layer. This will be even more of a concern in the coming days.
Wind loading producing slabs on lee and cross loaded features predominately below alpine ridge lines.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Field teams are still experiencing the occasional whumph from these weak layers collapsing.
West and South slopes have largely been stripped of snow but expect to find these slabs in the lee areas of exposed features above treeline. Also watch for crossloaded features such as gullies and bear in mind that the small new cornices are weak.
New snow and high winds will increase the hazard in open lee areas.
Strong west wind on Monday night at ridge top has created windslabs in lee areas. These windslabs are between 20 and 40cm thick and easily triggered by skiers/riders.
Wind loading producing slabs on lee and cross loaded features at all elevations. Field teams today experienced cracking and whumphing in the new wind slab.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Field teams are still experiencing the occasional whumph from this layer. Surface slides or cornice collapse could trigger this deep persistent weakness.
A 50cm slab sits over the December 17th surface hoar layer that reacted to human triggering yesterday. Sensitivity varies depending on drainage and elevation but the layer was observed to be almost everywhere.&nbsp; This layer is a real threat to riders.
The weak snow above the crust is new primed with a big enough slab for there to be serious consequences of triggering an avalanche. Isolated areas that hold surface hoar should be treated with even more respect.
The storm snow may now be hiding wind slabs in the lee areas of exposed features above treeline. New slabs will build with the 20-25cm of storm snow now available for transport. These will become larger and more easily triggered as the wind picks up.
Wind loading producing&nbsp; soft slabs on lee features at and above treeline. A field team on the 24th found a generally stable snowpack with hard and moderate shears in the upper snowpack at&nbsp; alpine elevations. Good skiing in sheltered spots.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Surface slides or cornice collapse could trigger this deep persistent weakness.
Twenty to forty cms of recent storm snow is bonding poorly to previous surfaces and is reactive to skier triggering.
A weak and facetted basal layer exists at the bottom of the snowpack. Smaller avalanches may step down to this weak facetted layer.
A very touchy surface hoar layer is buried by a 50 to 70cm thick storm slab. This layer is widespread, and is likely to be triggered anywhere is has not yet failed. It is easily triggered by light loads (ie you), from distances of up to 100m away.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Storm slab avalanches may step down to deeper layers, including the the Nov 9 layer at the bottom of the snowpack. The resulting avalanche would be very large. Some avalanches triggered by artillery control yesterday </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/Moccasin%20Flats%202014-12-24.pdf" target="_blank"><span class="s_9255B882">stepped down to deeper layers</span></a><span class="s_AA239A9B">.
15 to 30cm's of recent storm snow is bonding poorly to previous surfaces and remains reactive to skier triggering.
A weak and facetted basal layer exists at the bottom of the snowpack. Smaller storm snow avalanches may step down to this weak facetted layer.
Wind loading producing soft slabs on lee features at and above treeline.&nbsp;
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as surface slides or cornice collapse could trigger this deep persistent weakness.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread touchy surface hoar layer down 50 to 70cm is likely to be triggered anywhere it has not yet failed. As the slab overtop stiffens it becomes less likely to trigger but  propagation and consequences will increase. </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/Moccasin%20Flats%202014-12-24.pdf" target="_blank"><span class="s_9255B882">click photo</span></a><span class="s_AA239
Storm slab avalanches may step down to deeper layers, including the the Nov 9 layer at the bottom of the snowpack. The resulting avalanche would be very large.
Northerly winds reverse loading cross-loaded gulley features. Previous wind slab from SW winds appear to be well bonded to snow below.
15 to 30cm's of snow from last week is bonding poorly to previous surfaces and remains reactive to skier triggering, especially in areas where there is some wind loading and slab development. This is more of a problem in the western areas of the park
A weak and facetted basal layer exists at the bottom of the snowpack. Smaller storm snow avalanches may step down to this weak layer.
15 to 30cm's of snow from last week is bonding poorly to previous surfaces and remains reactive to skier triggering, especially in areas where there is some wind loading and slab development.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread touchy surface hoar layer down 50 to 80cm is likely to be triggered anywhere it has not yet failed. As the slab overtop stiffens it becomes less likely to trigger but propagation and consequences will increase.  </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/Moccasin%20Flats%202014-12-24.pdf" target="_blank"><span class="s_9255B882">click photo</span></a><span class="s_AA239
Rider triggered and remote avalanches are happening daily on a widespread surface hoar layer down ~50cm. The overlying slab has gained enough strength to propagate widely which means bigger consequences. This problem will persist for a while. 
The weak snow above the crust is now primed with a big enough slab for there to be serious consequences. In the alpine this problem will likely be limited to N and E aspects but at treeline it is widespread. Use extra care in open, sheltered terrain.
Remember that previous West Winds had a strong effect on the current distribution of snowpack: fragile cornices and buried windslabs will complicate the picture and limit terrain choice as travelers look to avoid the persistent slabs
The new snow will be very sensitive to skier traffic in steep terrain. Remember that there are some serious slabs lurking beneath the surface that could be triggered by these sluffs.
10 to 25cm's of snow from last week is bonding poorly to previous surfaces and remains reactive to skier triggering in areas where there is some wind loading and slab development. This is more of a problem in the western areas of the park
A weak and facetted basal layer exists at the bottom of the snowpack. It is still possible to trigger this in many areas at tree line and above. Areas with more wind loading or a stiffer slab above the weak basal facets are of the greatest concern.
Rider triggered and remote avalanches are happening daily on a widespread surface hoar layer down ~50cm. The overlying slab has gained enough strength to propagate widely which means bigger consequences. This problem will persist for a while.
Winds have been steady in the 40-50km/h range from the north overnight. There's lots of snow available to move around to form slabs on lee features which is on south and west aspects.
A weak and facetted basal layer exists at the bottom of the snowpack. It is still possible to trigger in specific areas above treeline. Areas with more wind loading or a stiffer slab above the weak basal facets are of the greatest concern.
15 to 30cm's of snow from last week is bonding poorly to previous surfaces and remains susceptible to skier triggering, especially in areas where there has been some wind loading and slab development.
A weak and facetted basal layer exists at the bottom of the snowpack. Smaller surface avalanches may step down to this weak layer.
Northerly winds reverse loading cross-loaded gulley features and South sides of ridge crests.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse could trigger this deep persistent weakness. The cold temperatures will be having a facetting effect on shallow locations.
A touchy surface hoar layer continues to be reactive. Avalanches continue to be triggered, even in areas that have been heavily traveled. Some areas offer no clues of instability, but the potential for large avalanches exist.
Winds have been steady in the 40-50km/h range from the north for the past 48 hours. With lots of snow available to transport, expect windslabs on lee features. A size 2 windslab was triggered by skiers yesterday (see details tab).
While the cold temperatures have stabilized the snowpack temporarily, it's overall structure remains weak. Travel under and beside avalanche paths is reasonable, but continue to avoid or be very careful when touching any avalanche start zones.
15-30cm of soft snow is bonding poorly to the Dec 18 layer of surface hoar, and any slab development above this layer should be treated with suspicion. Be wary of this layer in Little Yoho area. Dig down and look for it, and test the slab above.
Sustained moderate to strong winds shifted from the north to the south yesterday. With lots of snow available to transport, expect widespread and touchy windslabs. A size 2 windslab was triggered by skiers on Monday (see details tab).
20-40cm of soft snow is bonding poorly to the Dec 18 layer of large surface hoar on a crust. Any slab development above this layer should be treated with suspicion, such as any wind affected slopes.  Dig down and look for it, and test the slab above.
The December 17th surface hoar layer is still reactive.  Avalanches continue to be triggered even in locations previously skied. Some areas offer few clues of the instability but the potential for large avalanches continues.
NW ridgetop winds over the last couple of days have built slabs, some in unusual locations for our area. At lower elevations and closer to the prairies, the winds have been more in a SW direction making the problem more complex.
Continued development expected to occur as winds shift and pick up from the west.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse could trigger this deep persistent weakness.
The overall structure of the snowpack remains weak and not very confidence inspiring. Big features and steep terrain at treeline and above are still suspect and should be approached with caution.
Up to 20 cm of fresh snow by Saturday, and light to moderate west winds may create small wind slabs in lee alpine terrain.
The Dec 18 interface is down 20-30 cm is producing easy to moderate results with field tests. This layer may become more reactive with the forecasted additional loading.
The December 17th surface hoar layer is still reactive. Avalanches continue to be triggered even in locations previously skied. Some areas offer few clues of the instability but the potential for large avalanches continues.
10-15cm of new snow with moderate winds last night. This has likely formed a thin storm slab in exposed ares, concealing existing wind slabs.  Riders may be surprised by this layer, as these avalanches have the potential to trigger deeper layers.
Continued slab development expected to occur on sheltered slopes and cross loaded features primarily in the alpine.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse or surface slides could trigger this deep persistent weakness.
10-12 new today. Wind effect on Friday may have created small wind slabs in lee alpine terrain.
The Dec 18 interface is down 25-40 cm is producing easy to moderate results with field tests. This layer may become more reactive with the forecasted additional loading.
The Dec17th surface hoar is still reactive, with most events at treeline. A size 2 skier-controlled avalanche released on this layer yesterday. Buried surface hoar requires careful decision making, especially as more new snow continues to fall.
Although powdery in most places, 20-25cm of new snow is gaining cohesion. This layer has concealed recently formed wind slabs in exposed ares. Riders may be surprised by this layer, as these avalanches have the potential to trigger deeper layers.
The Dec 18 interface is down 35-50 cm and is producing easy to moderate results with field tests. There is likely enough load for human triggering to increase on this layer.
Wind effect on Friday has created small wind slabs in lee alpine terrain.
Light to moderate variable winds are producing soft slabs on sheltered slopes and cross loaded features primarily in the alpine.
This weak layer exists below a strong mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse or surface slides could still possibly trigger this deep persistent weakness.
The Dec17th surface hoar is still reactive, particularly at treeline. As new snow continues to fall the consequences of an avalanche on this layer increase, careful decision making is still necessary.
Although powdery in most places, 25-35cm of new snow is gaining cohesion. Pockets of soft slabs will form near ridge crest where sufficient wind has gotten to it.
30 cm of low density storm snow is likely to move fast in sufficiently steep terrain. Be aware of your sluff as it could pick up mass and push you around.
The overall structure of the snowpack remains weak and not confidence inspiring. Big features and steep terrain at treeline and above are still suspect and should be approached with caution.
Light to moderate variable winds are producing soft slabs on sheltered slopes and cross loaded features.
50cm of recent storm snow with more in the forecast. Settlement and winds have formed soft slabs particularly at ridge crests. Winds are on the rise and expect conditions to become more sensitive as winds continue.
The Dec17 surface hoar is most reactive at treeline. As snow load continues the consequences of an avalanche on this layer increase, careful decision making is still necessary. We suspect yesterdays Teddy Bear Trees avalanche to be on this layer.
10-15 cm of snow expected on Monday night will combine with the existing surface snow to make a storm slab 30-50 cm deep in alpine areas. Human triggering is possible in gullies and convex slopes at higher elevations.
The lower part of the snowpack is weak and will be overloaded easily with much additional load.&nbsp; Avoid steep (&gt;35 degree) open slopes at treeline and above. Shallow rocky areas are likely areas to trigger this problem.
The Dec 18 layer of surface hoar and crust is now buried 50-70 cm and primed for human triggering.  Avoid any areas where avalanches can start.
A total of almost 50 cm of snow has fallen since Jan 1, combined with wind has created a touch storm slab.  Limit your exposure to thickly treed areas and stay well away from avalanche terrain for Tuesday and Wednesday.
Westerly winds are leading to a build up of wind slab on sheltered slopes and cross loaded features.
Facets and isolated surface hoar above the Dec 13 crust remain the feature to watch in the snowpack. New load from storms or wind transport will make this more sensitive to triggering especially when combined with warm temperatures Wednesday.
The snow from the turbulent storm is forming a 30 to 40 cm soft slab at all elevations that fails very easily in tests over the cold low density snow from the weekend. Expect more development of these slabs at higher elevations with more wind effect.
70cm of storm snow since the New Year, moderate south winds and warming temperatures all translates into a settling surface slab. This will be most likely in highly wind exposed areas such as ridgelines and crossloaded features.
The December 17th surface hoar layer is still a real concern in the snowpack.  The significant storm snow load should be increasing the probability of triggering this deeper weak layer.  This layer is most prevalent at treeline elevations.
Total of 30 cm of snow since Jan 2 is mostly unconsolidated, but expect slab formation at higher elevations. Shears in this storm snow were occurring within the upper 25 cm. Any wind or warming will increase this problem dramatically.
The lower part of the snowpack is weak and will be overloaded easily with much additional load. Avoid steep (&gt;35 degree) open slopes at treeline and above. Shallow rocky areas are likely areas to trigger this problem.
The Dec 18 layer of surface hoar and crust is now buried 50-70 cm and primed for human triggering. Avoid any areas where avalanches can start.
Storm slab formation has been limited due to light winds and cold temperatures. This is good news but strong winds on Wednesday will likely increase this problem in alpine areas.
Sluffing can be expected in steeper features at and below treeline in non-wind affected locations.  keep an eye out for people traveling below you in open terrain and stay out of terrain traps where sluffs can have larger consequences.
The storm slab should be settling and stiffening with the warming temperatures.  The question is the bond to the old snow surface of colder recrystalized snow.  We currently think this interface is weak and ripe for triggering.
The December 17th layer produced our larger controlled slides yesterday.  Slides initiating in the storm snow have a good probability of overloading this layer as they gain volume.  This layer is most prevalent at treeline elevations.
Recent storm snow has started to settle into a slab which overlies a weak layer of facets and old surface hoar. Field teams were able to ski cut several small soft slabs to size 1 at treeline and below treeline elevations today.
The Dec 18 layer of surface hoar and crust is now buried 50-70 cm and primed for human triggering. Avoid any areas where avalanches can start at treeline and above.
Storm slab formation has been limited due to light winds but gullies and large open slopes at treeline and above are best avoided for a few more days..
Warms temperatures and wind on Jan. 7th have created windslabs that overly the Dec. 18th facet/ surface hoar/ crust layer.  Any avalanche triggered on this layer will likely step down to the deep persistent slab layer.
The bond of the recent storm snow continues to improve however given the right location could still be reactive to human triggering. Steeper windloaded features at and above treeline should be treated with respect.
Recent storm snow has settled into a slab which overlies a weak layer of facets and surface hoar. A forecast of warm temps and clear skies on Friday may well lead to an increased likelihood of avalanches on solar aspects.
Where there are no surface crusts these slabs may remain available for triggering particularly where they have been influenced by the wind.
Continue to watch for this layer which has proven to be extremely variable. Areas where these slabs are thin may should raise added caution.
This layer is still producing results in snow profile stability tests but sings show that it is continuing to bond with the old snow interface. Steeper windloaded features at treeline and above should be treated with respect.
The Dec 17 instability is still active. Yesterday a field team triggered a sz 1.5 on a convex roll at treeline that had previously released and since reloaded. This layer is widespread at treeline and should not be forgotten during decision making.
Recent storm snow has settled into a soft slab which overlies a weak layer of facets and surface hoar. Temperature fluctuations and direct solar radiation may well lead to an increased likelihood of avalanches.
This weak layer exists below a variable mid-pack at treeline and sub-alpine elevations. Large loads such as a cornice collapse or surface slides could still possibly trigger this deep persistent weakness.
This layer has settled into a 40-50cm slab. The bond to old snow continues to improve, but human triggering is still possible in the right location. Use caution on steeper wind loaded features at treeline and above. Note slab changes as you travel.
The Dec 17 instability is still active and can be triggered by human loads on convex rolls and steep terrain. The surface hoar sits on a thick crust, providing a bed surface for larger avalanches. This layer is widespread at treeline.
Recent storm snow has settled into a soft slab which overlies a weak layer of facets and surface hoar. Temperature fluctuations and direct solar radiation may lead to an increased likelihood of avalanches.
We are getting lots of large whumphs on the Dec 18th layer consisting of facets/crust. This indicates the potential for skier triggering in steep terrain. Areas where the snow over this layer has stiffened into more of a slab are of the most concern.
In many areas of the forecast region the potential for avalanches to step down to the basal facets is still possible. Large propagations are also possible and the resulting avalanche could be quite destructive.
Recent strong winds have created wind slabs in open areas at tree line and above. If triggered these could easily step down to the Dec 18th layer and create a large avalanche.
The Dec 17 instability is still active and can be triggered by snow riders on convex rolls and steep terrain. The surface hoar sits on a thick crust, providing a bed surface for larger avalanches. This layer is widespread at treeline.
Solar radiation could be a factor today, as temperatures are forecast to warm up with light to no wind. Loose avalanches beginning from cliffs and moist snow is an indication of this instability. Be aware of these changes through the day.
Perpetual whumphing of the Dec 18th layer consisting of facets/crust exists. Skier triggered surface slabs have the potential to step down to the Dec18th layer.
In many areas of the forecast region there is potential for avalanches to step down to the basal facets. Wide propagations and large destructive avalanches are possible.
Stiff wind slabs observed in open areas at TL and above. These are sitting on a weak facetted bond will slide with skiers weight. Consider the consequences and chose your adventure carefully.
The Dec 17 instability remains our primary concern. This layer is still active and can be triggered by snow riders in areas where it has not previously avalanche. Likelihood of triggering has decreased but propagation and consequences have increased.
Windslabs can easily be found in most open areas over low density snow. In isolated locations these are significant: hard and thick. Test these surface slabs often with your ski poles and modify your route to manage your exposure should they fail.
Continue to watch for this layer which has proven to be extremely variable. Areas where these slabs are thin should raise added concern.
A persistent weak layer of surface hoar was observed again today at alpine elevations, down 50cm from the top. This layer continues to cause concern, and until it stabilizes then avoidance of steep avalanche starting zones is strongly recommended.
This is a serious weak layer down 40 cm that seems to be either crust, facets or surface hoar depending on location.&nbsp; Snowpack tests continue to be in the moderate and sudden range for this layer, indication strong potential for human triggering.
In shallower snowpack areas (most of the region) the weak base of the snowpack persists and can be triggered in steep, rocky terrain features.&nbsp; Patience is a virtue with this problem, as bigger terrain may not be available until later this winter.
The Dec 17 surface hoar is still a major concern. It has become spotty, but is still reactive in areas where it has not already avalanched. This makes it harder to predict but it is possible to trigger large avalanches where it exists.
Windslabs are easy to spot with no new snow as they appear&nbsp; hard and are often convoluted.
Though this layer is unreactive to skier traffic it could be triggered with&nbsp; a large load such as a cornice or a step down from another avalanche.
This is a serious weak layer down 40 cm that seems to be either crust, facets or surface hoar depending on location. Snowpack tests continue to be in the moderate and sudden range for this layer, indication strong potential for human triggering.
In shallower snowpack areas (most of the region) the weak base of the snowpack persists and can be triggered in steep, rocky terrain features. Patience is a virtue with this problem, as bigger terrain may not be available until later this winter.
This layer is more touchy in deeper snowpack areas where it is more deeply buried (30 - 50 cm down) and at lower elevations where it is a rain crust/ surface hoar combination.
A persistent weak layer of surface hoar/ crust/ facets lurks 50 cm's below the surface. This layer is most reactive at the treeline elevation where it is a surface hoar/ crust combination.
The December 17th surface hoar layer is still a real concern. This layer is widespread at treeline and more spotty at alpine elevations. The December 17th could still be reactive in locations where it has yet to avalanche.
Windslabs can be found in most open areas over low density snow. In isolated locations these are hard and thick. Test these surface slabs often with your ski poles and modify your route to manage your exposure should they fail.
Continue to watch for this layer which has proven to be extremely variable. Be extra vigilant in thin snowpack areas, where the layer is more likely to be triggered by riders/climbers.
In shallower snowpack areas this layer is facetting out. In deeper areas this layer remains more of a concern.
The December 17th surface hoar layer is still a real concern. This layer is widespread at treeline and more spotty at alpine elevations. The surface hoar sits on a thick crust complex which provides a firm failure plane for avalanches.
10-15cm of new snow sits on top of the January 15 surface hoar layer.  Expect loose avalanches and sluffing in steep terrain.  Although winds have remained light, they are expected to increase. Watch for developing slabs on lee features later today.
In shallower snowpack areas this layer is facetting out. In deeper areas this layer remains more of a concern.&nbsp;
In shallower snowpack areas (most of the region) the weak base of the snowpack persists and could be triggered in steep, rocky terrain features. This problem will persist for some time, give it careful consideration before entering serious terrain.
Strong South Westerly winds are redistributing existing snow as slab onto sheltered aspects and cross loaded features.
New snow was exposed to strong overnight winds. In addition to a developing storm slab, expect a thicker wind slab on leeward micro features and N-NE aspects.&nbsp; These newly formed slabs need time to bond to the old snow surface and will be reactive.
New snow and strong W winds tomorrow afternoon will create wind slabs in open areas at tree line and above. Ice climbers should watch for sluffing in steep gullies as the new snow arrives.
Keep an eye on this layer as the new snow arrives. In shallower snowpack areas this layer has been facetting out. In deeper areas where a stronger slab exists above this layer it is more of a concern.
With the arrival of new snow and strong winds on Sunday we can expect to see avalanche activity start to increase as a storm slab develops over the Jan 16th surface hoar. This will be of most concern in wind loaded areas.
A persistent weak layer from Dec 18th of surface hoar/crust/facets lurks 40-50 cm's below the surface. This layer is most reactive at the tree line elevation where it is a surface hoar/crust combination.
There's 20-30cm of new snow overtop our latest surface hoar layer. This layer was observed to be widespread. As winds pick up and and the temperatures rise expect soft slabs to form and to be reactive to rider triggering.
The December 17th surface hoar layer is still a factor to consider in our snowpack. This layer is widespread at treeline, more spotty at alpine elevations and sits on a thick crust complex which provides a firm failure plane for avalanches.
Moderate south west winds continue to redistribute snow and wind slabs are developing on lee aspects and cross loaded features.
New windslabs 10 to 40cm deep can be found in almost any lee areas including crossloaded features. These slabs will continue to build Sunday night and Monday with continued precipitation and winds.
With fresh slabs forming above this weak layer down 25 to 50cm it is possible that it becomes active. In shallower snowpack areas this layer has been facetting out. In deeper areas where a stronger slab exists above this layer it is more of a concern
New windslabs 15 to 50 cm&nbsp; deep can be found in almost any lee areas including cross loaded features. These slabs will continue to build Sunday night and Monday with continued precipitation and winds.
A persistent weak layer from Dec 18th of surface hoar/crust/facets lurks 50-60 cm's below the surface. This layer is most reactive at the tree line elevation where it is a surface hoar/crust combination.
15 to 25 cm now lies over the Jan 16 interface that consists of Surface Hoar, Facets, Suncrusts, and windslabs. Mild temperatures will encourage the formation of a soft slab over this weak layer.
~50cm of new snow overtop the widespread Jan 15 surface hoar layer. This layer was very reactive to human triggering yesterday. Expect this sensitivity to continue with the storm slab that formed overnight with the sustained strong southerly winds.
The new snow load or shallower avalanches could reawaken the Dec 17 surface hoar layer down 90-130cm. This layer is widespread at treeline, more spotty at alpine elevations and sits on a thick crust complex.
This avalanche problem constitutes winslabs up to 40cm thick on lee features in the alpine. The slabs rest on the Jan 16 layer which is a combo of crusts and surface hoar. Although they are less touchy now than on the weekend, approach with caution.
Although we have received recent extra snow load on this layer, it is not reacting. It is becoming less and less reactive as time goes by. Be mindful in thin snowpack areas, where the layer is more likely to be triggered by riders/climbers.
Moderate to strong winds continue to redistribute snow creating wind slabs on lee aspects and cross loaded features.
New windslabs 20 to 40cm deep can be found in almost any lee areas including crossloaded features. These slabs are easily triggered and some the resulting avalanches have been stepping down to the Dec 18 persistent slabs.
In shallower snowpack areas this layer has been facetting out however in deeper areas where a stronger slab exists above, this layer remains more of a concern.
45cm+ of storm snow sits on the weak reactive January 15 surface hoar layer. Numerous natural avalanches to size 3 and skier triggered slides to size 2 have occurred over the last couple days on this layer.
The December 17 layer may reawaken after being overloaded by slides initiating on the January 15 surface hoar layer. This layer is widespread at treeline and spotty at alpine elevations.
Moderate winds continue to redistribute snow creating wind slabs on lee aspects and cross loaded features.
Surface windslabs formed on Jan 18/19 can be triggered by skiers and climbers. Feel for tension in the surface snow and avoid freshly windloaded terrain.
The distribution of this layer is difficult to follow, but assume it exists in the snowpack and look for it in the upper 40 cm.
Windslabs in leeward areas can be found up to 25 cm deep. Watch for convex rolls or other areas of wind loading where the snow can be under tension.
The Dec 18 SH continues to be found 50 cm down, but the layer becoming harder to find, and is slowly bonding to the overlying snow.  Regardless, this layer continues to command respect.
A 60cm+ thick cohesive slab now overlies a very touchy surface hoar layer. Tests indicate that it is likely to propagate if triggered, and avalanches have been remotely triggered from up to 300m away.
A surface hoar layer, down 1-1.5m, that was buried in mid December continues to be reactive. Avalanche control had a few avalanches stepping down to this layer, even in areas where it had been previously controlled. The new load may wake it up again.
Strong southerly winds during the storm, with lots of low density snow available for transport, will have formed windslabs in lee areas. These deep pockets of windslab may overlie the touchy surface hoar layer.
In shallower snowpack areas (most of the region) the weak base of the snowpack persists and could be triggered in steep, rocky terrain features. Although in some areas, the Dec. 18th layer persists, management of both layers should be the same.
Buried windslabs in leeward areas can be found up to 25 cm deep. Watch for convex rolls or other areas of wind loading where the snow can be under tension.
The Dec 18 SH continues to be found 50 cm down, but the layer becoming harder to find, and is slowly bonding to the overlying snow. Regardless, this layer&nbsp; is still present and should be considered carefully
Moderate winds have redistributed snow creating wind slabs on lee aspects and cross loaded features.
A 60cm+ thick cohesive slab now overlies a touchy surface hoar layer. Tests indicate that it may be triggered by light loads (ie you) and likely to propagate widely as the slab stiffens. Avalanches have been remotely triggered from up to 300m away.
Windslabs up to 40cm thick are present on lee features at treeline and in the alpine but have started to settle. New slabs will be developing on Sat with strong West winds and will means windslabs will continue to be the main concern.
We received additional snow load last weekend but have still not seen any evidence of activity on this layer in our area even though neighbouring areas have. Be mindful in thin snowpack areas, where the layer is more likely to be triggered.
The Dec 18 SH continues to be found 50 cm down, but the layer becoming harder to find, and is slowly bonding to the overlying snow. Regardless, this layer is still present and should be considered carefully
Strong SW winds have have scoured open slopes on solar aspects and redistributed that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier could be sufficient to initiate an avalanche
A 60cm+ thick cohesive slab now overlies a touchy surface hoar layer. Tests indicate that it may be triggered by human loads and likely to propagate widely as the slab stiffens. Avalanches have been remotely triggered from up to 300m away.
Strong W winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier could be sufficient to initiate an avalanche
New wind slabs will be forming in open areas above tree line with the strong W winds, precipitation and warming temperatures. These can be triggered by skiers and climbers.
With the new snow and strong W winds, wind slabs are forming in open areas above tree line. These may fail naturally in some locations and are likely to be skier triggered in steep terrain so avoid freshly wind loaded areas.
The Dec 18 surface hoar continues to be found 50cm down, but the layer is slowly bonding to the overlying snow. Regardless, this layer is still present and should be considered carefully especially as we experience warming temps and additional load.
40cm of new snow and strong southerly winds in have created a reactive storm slab. Expect storm slabs to be significantly thicker on lee features where snow has been transported by wind. This layer is easily triggered and will need time to stabilize.
Although this surface hoar layer is now buried 70-100cm deep, it will be easily triggered today with addition of the new snow load. Stability tests show that this layer has good propagation potential, making large avalanches likely.
New wind slabs will be continuing to form in open areas above tree line with the strong W winds, new snow and warm temperatures. These will be prone to human triggering over the next few days.
Strong winds may keep snow surfaces cool at upper elevations, but thin rocky areas on solar aspects should be suspect to warming, and may trigger the weaker basal layers and subsequent larger avalanches.
The Dec18 surface hoar continues to be found 50-70cm down. This layer should be considered carefully especially as we experience warming temps and the recent additional snow load.
Warm temperatures and any sun will start small, wet avalanches, especially in steep, rocky terrain.  These will be especially of concern to ice climbers in gully features.
Strong SW winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier could be sufficient to initiate an avalanche
We have 40cm of recent storm snow with very mild temperatures. Winds are strong in the alpine and its raining below 2000m.
Mid January surface hoar layer is now buried 60-100cm deep. This layer is likely to become more reactive with the current warm conditions and rain we are receiving. 
Now 20 to 40cm deep, these slabs have developed along with Cornices due to Westerly winds and appear to be quite obvious in open lee features. Although most developed at Treeline and above these slabs appear reactive at lower elevations as well.
Now 40 to 120cm deep. These slabs still demand attention particularly with the warm temperatures. Be mindful in thin snowpack areas, where this layer is more likely to be triggered.
Strong SW winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier are at a critical mass and will likely initiate an avalanche
Strong winds may keep snow surfaces cool at upper elevations, but lower elevations and thin rocky areas on solar aspects should be suspect and may trigger the weaker basal layers and subsequent larger avalanches.
In shallow snowpack areas (most of the region) the weak base of the snowpack persists and has been failing naturally in steep terrain. Although in some areas, the Dec. 18th layer persists, management of both layers should be the same.
New wind slabs will continue to form in open areas above tree line with the strong W winds and warm temperatures. These will be prone to human triggering over the next few days.
Strong winds may keep snow surfaces cool at upper elevations, but lower elevations and thin rocky areas on solar aspects should be suspect. Loose wet avalanches may also step down and trigger deeper layers in the snowpack.
The Dec. 18th layer persists in some areas and should be treated with caution as the new snow and warm temperatures have caused several natural avalanches on this layer. Avoid exposure to avalanche terrain until things cool down.
We have up to 15mm or rain and 40cm of recent storm snow with very mild temperatures at all elevations.
Mid January surface hoar layer is now buried 60-100cm deep. This layer is becoming more reactive with the current warm conditions and rain we are receiving.
Up to 15mm of rain so far and currently 0 degrees at 2000m. Loose avalanches are triggering slabs on deeper instabilities and gouging to ground when they run into tree line.
Very strong SW winds over the past few days have created deep windslabs above treeline. These slabs have the potential to trigger the deeper layers in the snowpack, making for a large avalanches. Avoid all windloaded terrain.
The snowpack is structurally very weak - one of the weakest snowpacks seen in years - the facets and depth hoar near the base of the snowpack will produce large avalanches when triggered.
The Dec 18 surface hoar still exists in the upper 70 cm of the snowpack, and if triggered can produce a large avalanche.&nbsp; Areas to watch for would be open, north facing glades at treeline where surface hoar can persist for long periods of time.
Strong SW winds continue to scour open slopes in the alpine and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier will likely initiate an avalanche.
Natural and artillery triggered avalanches continue to fail on the Jan.15 surface hoar layer, now buried 60-100cm deep. This layer continues to propagate widely into very large avalanches. Avalanches may step down to a deeper layer from mid Dec.
Temperatures stayed warm overnight. It is presently +3'C at 2000m. Until temperatures fall below freezing, the snowpack will remain weak. Loose avalanches have triggered slabs on deeper instabilities and gouged to ground when they run into tree line.
40cm of storm snow was followed by 15mm of rain.&nbsp; This moist slab is likely to be touchy until temperatures drop below freezing.
Very strong SW winds over the past few days have created windslabs in lee terrain above treeline. These slabs have the potential to trigger the deeper layers in the snowpack, making for a large avalanches. Avoid all windloaded terrain.
The basal snowpack remains very weak. The facets and depth hoar near the base of the snowpack will produce large avalanches when triggered.
Heavy snow sits on the December weak layer. Any additional load such as a small point release can step down to this weak layer. Once the slide is moving, it will step down further to ground from the weight of the snowpack.
Strong SW winds over the past 48 hours has  built slabs up to 60cm thick. This extra load combined with a skier will likely initiate an avalanche. As the wind reduce and temperatures drop the condition will improve.
The Dec 18 surface hoar still exists in the upper 70 cm of the snowpack, and if triggered can produce a large avalanche. Areas to watch for would be open, north facing glades at treeline where surface hoar can persist for long periods of time.
Recent avalanches have been failing on the Jan.15 surface hoar layer, now buried 60-100cm deep. Some avalanches have stepped down to a deeper layer from mid Dec.
The basal snowpack remains weak although thin snowpack areas have found rounding depth hoar, a rarity for sure! Steep, thin snowpack areas will be the most likely for human triggering.
This weakness is sitting at or close to the ground. Numerous large avalanche failing on this layer during Wednesday's avalanche control.
Forecasters have had easy test results on this layer today.  The tricky thing about this layer is that it is not widespread but can be found in sheltered areas.
Jan 15 surface hoar layer is buried 60-100cm deep. This interface remains reactive due to large, poorly bonded surface hoar crystals.  Avalanches from large triggers such as cornice fall might step down to a deeper layer from Dec 17.
Despite the low danger ratings, the deep snowpack remains weak. Avoidance of large open slopes with shallow, rocky areas remains a good idea.&nbsp; Even in low danger there are places that should be avoided.
Forecasters have had easy test results on this layer recently. The tricky thing about this layer is that it is not widespread but can be found in sheltered areas.
While ski conditions are very challenging right now, avalanche conditions have improved. Although it seems unlikely, we are still wondering about the presence of the Dec 18 surface hoar layer down about 50 cm from the surface.
10 to 30cm thick over an interface of weak, faceted snow, these old slabs linger and may still be triggered by skiers looking for dry snow in the high shaded alpine terrain.
Now 40 to 120cm deep these slabs continue to stand out as a real concern. Be particularly mindful in thin snowpack areas where this layer is more likely to be triggered.
Jan 15 layer is buried 60-100cm deep. This layer remains a concern due to large, poorly bonded surface hoar crystals.  As snow continues to settle, this layer will require larger triggers to initiate. Cornice failures could step down to deep layers.
Despite the low danger ratings, the deep snowpack remains weak. Avoidance of large open slopes with shallow, rocky areas remains a good idea. Even in low danger there are places that should be avoided.
While ski conditions are rough right now, avalanche conditions have improved. Although it seems unlikely, there is still some uncertainty about the Dec 18 surface hoar layer down about 50 cm from the surface.
This layer remains a concern in isolated areas above treeline and may be triggered by large loads such as cornices or from shallow areas by skiers. Explosive control work yielded many results at this interface early in the week.
The interface between storm snow and the melt-freeze crust from the recent warm temperatures warrants investigation. Touchy conditions should be expected in steep terrain, particularly on NE aspects below 2400m.
Jan 15 layer is buried 60-100cm deep. This layer remains a concern due to surface hoar crystals. As snow continues to settle, this layer will require larger triggers to initiate. This layer could be triggered by heavy loads or from shallow areas.
Expect widespread sluffing on the crust. Watch for pockets of slab over this layer especially from last nights SW winds .
Despite the low danger ratings, the base of the snowpack remains weak due to basal depth hoar/facets. Consider this layer carefully when looking to travel in aggressive terrain, especially in thin, rocky areas.
Although it seems unlikely, there is still some uncertainty about the Dec 18 surface hoar layer down about 50-70 cm from the surface.
The interface between storm snow and the melt-freeze crust from the recent warm temperatures warrants investigation. Touchy conditions should be expected in steep terrain, on all aspects below 2400m.
This layer remains a concern in isolated areas above treeline and may be triggered by large loads such as cornices or from shallow areas by skiers. Explosive control work yielded&nbsp; big results at Marmot on Saturday on this interface.
~20cm of recent snow over a firm surface may be reactive to riders where wind has firmed it up enough to create a soft slab. Areas to watch for this are near ridge crests or cross loaded terrain features.
The mid January surface hoar layer is buried 60-100cm deep.&nbsp; Getting this layer to fail will be difficult but triggering it from shallow areas or from heavy loads such as a cornice fall remains possible.
Light to moderate west wind over the next three days will generate windslabs in lee areas in the alpine. Size and distribution of avalanches will depend on local intensity of wind and amount of precipitation.
This layer remains a concern in isolated areas above treeline and may be triggered by large loads such as cornices or from shallow areas by skiers. Explosive control work yielded big results at Marmot on Saturday on this interface.
Soft slabs will be more prevalent today due to steadier overnight winds.  ~35cm sits on a firm, smooth layer providing a good surface for avalanches to slide on. Exercise extra caution near ridge crests or cross loaded terrain features.
The mid January surface hoar layer is buried 60-100cm deep. Getting this layer to fail will be difficult but triggering it from shallow areas or from heavy loads such as a cornice fall remains possible.
Windslabs on lee features will continue to develop throughout the storm. Continued moderate temperatures will help build windslabs and cornices over steeper features.
This layer remains a concern in isolated areas above treeline and may be triggered by large loads such as cornices or from shallow areas by skiers. The entire snowpack throughout the forecast region is riding on 15 to 25cm of depth hoar.
There is 30-40 cm of loose snow available for windslab formation at higher elevations. Currently these windslabs are very isolated or non-existent, but this will change immediately with any wind.&nbsp; Watch for blowing snow and beware when it happens.
Recent snow has left up to 20 cm of light powder on the snow surface, improving the conditions significantly. Light winds have done little to move this snow, but any increase in wind and we expect windslabs to form. Watch out for blowing snow.
The base of the snowpack remains weak due to basal depth hoar/facets.  Continue to avoid large open slopes with shallow snow and rocks, as this is the kind of place where this deep weakness could be triggered.
New windslabs are quickly forming as the West winds push around what little snow has fallen. The bond to the hard crust below seems poor. Use caution: even a small avalanche could push you a long distance over the hard crusts that exist right now.
Now 40 to 120cm deep these slabs continue to stand out as a real concern in the TL and ALP areas that do not have strong surface crusts. Be particularly mindful in thin snowpack areas where this layer is more likely to be triggered.
The pineapple forecast for Thursday will change things in a hurry: with warm temps and strong winds, expect rapid slab formation TL and above. With a freezing level of 2000m expect loose wet, or thin wet slab activity BTL.
The low forecast for Thursday will change things in a hurry for the weekend: with warm temps and strong winds, expect rapid slab formation TL and above. With a freezing level of 2000m expect loose wet, or thin wet slab activity BTL.
Storm snow will be redistributed by mod southerly winds on to alpine lee slopes and crossloaded features. This storm snow sits on a firm smooth surface especially below 2200m. Take time to assess the snowpack while approaching wind affected features.
The January 15 surface hoar layer is down 70-110cm.  Large triggers will be required to wake this layer however it remains possible in shallow snowpack areas or from cornice fall.
Windslabs have developed on lee and cross loaded features at alpine elevations. The debris of four size 2 slab avalanches that initiated in cross loaded terrain in the alpine was observed by our field team in the Icefields area on Tuesday