{"blocks":[{"key":"335kq","text":"As cold arctic air settles over the region expect wind slabs in unusual places due to recent valley winds from the north, while sheltered areas still have 10-30 cm of soft powder. The main concern is a layer of surface hoar that formed in late December, which is now buried 60-120 cm deep throughout the region. This layer is most likely found on sheltered slopes at and below treeline. Reports suggest the reactivity of layer may be variable, as on some slopes it is well bonded while on other slopes it is still very reactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":211,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"13af9","text":"50-70 cm of snow from last week has been redistributed into wind slabs by moderate to strong southwest to southeast winds in exposed areas at all elevations. Snow in protected areas is unconsolidated and well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p8s0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ib7g","text":"The recent snow buried older wind slabs and other wind-affected surfaces. This older, wind-affected snow forms the upper part of an increasingly consolidated mid-snowpack, which overlies a generally weak basal snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a1k0g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kbsc","text":"The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. This basal layer has gradually been gaining strength, but potential still exists for large triggers in thin, rocky areas to trigger avalanches at this depth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"12kau","text":"Around 20 to 50 cm of storm snow has accumulated since late last week. This has created soft surface conditions in sheltered terrain but strong wind has redistributed the snow in exposed terrain, forming wind slabs. The wind changed directions from southwest to northeast over the weekend, meaning that wind-affected snow and wind slabs may be found on all aspects at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aldt3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lp9r","text":"A weak layer of feathery surface hoar remains a concern. The layer has been found across much of the North Rockies region, but it has only become a problem in particular areas, such as around McBride and the McGregors. It may exist around sheltered treeline somewhere between 50 and 150 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"d73va","text":"About a meter of storm snow has fallen in the last week which made for some phenomenal riding conditions.  On Sunday funky wind out of the N/NE associated with an Arctic Front likely formed fresh wind slabs in locations we aren't used to seeing them. The subsequent cold temperatures should be helping the upper snowpack to settle out quite rapidly.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6udj","text":"A weak layer of snow known as the late December surface hoar is now 70 to 200+ cm below the snow surface. Tests from snow profiles show this interface remains sensitive to human triggering, but not everywhere.  Problem locations are places where the snowpack goes from thick to thin, steep unsupported slopes and around rock outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3at4q","text":"The beginning of the season had less precipitation than usual, and there are sugary faceted grains as well as a hard melt-freeze crust near the base of the snowpack.  In a more seasonally normal winter we wouldn't be thinking about this interface, but it has produced large destructive natural avalanches as recently as January 11th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5dp0m","text":"The storm of the last days brought up to 60 cm of snow which fell with moderate to strong southwest wind before winds switched to the north/northeast Sunday night. The resulting wind fueled storm slabs likely remain sensitive to human triggers, particularly in exposed lee terrain features. More recent snow might hide slabs and make it trickier to navigate around them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7lq8t","text":"Deeper in the snowpack, a few layers of weak and feathery surface hoar may still be found around 70 to 130 cm deep. It is unclear whether or not they are still problematic and if so, how long they will be so for. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bs1bk","text":"The base of snowpack is also weak in parts of the region, where it consists of sugary faceted snow around a melt-freeze crust. Until these weak layers can be ruled out, best to travel conservatively.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dq0ap","text":"Up to 100 cm of snow fell over the last few days with moderate to strong wind first out of the south, then out of the north. There is uncertainty how well the new snow will bond with the old snow surface, as it is resting on a hard melt-freeze crust below 1500 m and potentially feathery surface hoar above the crust. Assess the bond of the recent snow before committing to avalanche terrain and travel conservatively.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e6r39","text":"The cold temperatures are creating surface faceting and most likely some surface hoar growth as well.  There are several generations of buried wind slabs in the top 50cm of the snow pack in the alpine and tree line that were still producing  moderate compression test results on Sunday.  If any avalanche is triggered in the upper snowpack, there is a strong possibility to wake up the deeper persistent slab which is sitting on the November complex (crust, facets and depth hoar).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ev5cc","text":"The storm of the last days brought 20 to 50 cm of snow which fell with moderate to strong southwest wind before winds switched to the  north/northeast Sunday night. The resulting wind fueled storm slabs  likely remain sensitive to human triggers, particularly in exposed lee  terrain features. More recent snow might hide slabs and make it trickier  to navigate around them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aivtl","text":"Deeper in the snowpack, a few layers of  weak and feathery surface hoar may still be found around 70 to 130 cm  deep which have been active as recently as Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahev9","text":"The base of the snowpack is also weak  in parts of the region where it consists of sugary faceted snow around a  melt-freeze crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"eq4dl","text":"Extensive wind effect observed at all elevations. North to east aspects in the alpine have been wind scoured, with isolated hard windslab in lees, and notable cornice growth. Not much snow remains for wind transport by the forecast continued outflow. Snow in protected areas is unconsolidated and well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":141,"length":4,"key":0}],"data":{}},{"key":"7ht43","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e872t","text":"The mid to lower snowpack is generally well consolidated. Layers of note include a crust 1 m deep, found below 1400 m and a couple of layers of surface hoar 1.5 m deep. The previous storm cycle was a good test of these layers, with only an isolated case of suspected step down to one of the surface hoar layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":267,"length":9,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}
{"blocks":[{"key":"11jlv","text":"The cold temperatures are creating surface faceting and most likely some surface hoar growth as well. There are several generations of buried wind slabs in the top 50cm of the snow pack in the alpine and tree line that were still producing moderate compression test results on Sunday. If any avalanche is triggered in the upper snowpack, there is a strong possibility to wake up the deeper persistent slab which is sitting on the November complex (crust, facets and depth hoar).    ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f568u","text":"50-70 cm of snow from last week has been redistributed into wind slabs by moderate to strong southwest to southeast winds in exposed areas at all elevations. Snow in protected areas is unconsolidated and well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"40diu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4fh32","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. This basal layer has gradually been gaining strength, but potential still exists for large triggers in thin, rocky areas to trigger avalanches at this depth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9avgk","text":"North to east aspects in the alpine have been wind scoured, with isolated hard windslab in lees. Wind effect also observed in open areas at treeline and below, while snow in protected areas is unconsolidated and well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":91,"length":4,"key":0}],"data":{}},{"key":"98v3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ld02","text":"A pair of surface hoar layers are currently buried about 80-120 cm below the surface in sheltered areas around treeline. There have been no reports of avalanche activity associated with them for a few weeks, during which several storm slab avalanche cycles have tested their potential for step-downs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":10,"length":12,"key":1},{"offset":289,"length":10,"key":2}],"data":{}},{"key":"ck18s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7vak4","text":"A deep crust from mid November lies at the base of the snowpack. Although this has not been an active avalanche problem, a couple of recent large avalanches are suspected to have run on this layer in isolated incidents high in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}
{"blocks":[{"key":"e1ta8","text":"Up to 100 cm of snow has fallen over the last few days with moderate to strong wind first out of the south, then out of the north.  The new snow rests on a hard melt hard melt-freeze crust below 1500 m and there may be places where there is surface hoar above the crust.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"78ia2","text":"Wind has been blowing from different directions and at all elevations over the past few days, so wind slabs could be found in unusual places. A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":153,"length":12,"key":0},{"offset":445,"length":12,"key":1},{"offset":519,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"c85g","text":"About a meter of storm snow has fallen in the last week which made for some phenomenal riding conditions. Over the last two days winds have been out of the south/southwest, but previous to this strong north winds created some reverse loading in wind exposed features, especially those near ridgetop. The subsequent cold temperatures should be helping the upper snowpack to settle and stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cn0ks","text":"A weak layer of snow known as the late December surface  hoar is now 70 to 200+ cm below the snow surface. Tests from snow profiles show this interface likely remains sensitive to human triggering, but not everywhere.  Problem locations are places where the snowpack goes  from thick to thin, steep unsupported slopes and around rock  outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cd5ee","text":"The beginning of the season had less precipitation  than usual, and there are sugary faceted grains as well as a hard  melt-freeze crust near the base of the snowpack.  In a more seasonally  normal winter we wouldn't be thinking about this interface, but it has  produced large destructive natural avalanches as recently as January  11th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ccgnp","text":"Storm totals since last week are now over 1 m and counting. Surface instabilities are generally limited to the most recent accumulations, especially where winds have redistributed snow into reactive slabs in leeward features. In sheltered areas, the storm snow remains low density and unconsolidated.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":208,"length":8,"key":0}],"data":{}},{"key":"12sme","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp4mf","text":"Several crust layers exist in the mid to upper snowpack as a result of recent warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bqqu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c5c2r","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region for several weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"7ga","text":"On Sunday funky wind out of the N/NE associated with an Arctic  Front likely formed fresh wind slabs in locations we aren't used to  seeing them. The subsequent cold temperatures should be helping the  upper snowpack to settle out quite rapidly.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rvrt","text":"Previous to Sunday's wind event the riding quality has been phenomenal throughout the region, but there are still some areas for concern deeper in the snowpack:","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":36,"length":34,"key":0}],"data":{}},{"key":"2v71","text":"A  deep persistent weak layer is at the bottom of the snowpack in the  northern half of the region (e.g., Duffey, Hurley). It's made up of  sugary faceted grains and a hard melt-freeze crust. This is an atypical  setup for this part of the province, it's not going away anytime soon  and we should all probably remain a bit wary of big alpine lines, at  least for now.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qvkf","text":"There are currently no concerns about deep weaknesses in the snowpack near Coquihalla summit.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9rl","text":"Most of the region has an unusually thin snowpack in the alpine.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1v7ij","text":"Almost no snow is found below about 1500 m.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/mountain-information-network/submissions?regions=south-coast-inland","target":"_self","url":"https://www.avalanche.ca/mountain-information-network/submissions?regions=south-coast-inland"}}}}
{"blocks":[{"key":"9s3pk","text":"As cold arctic air settles over the region expect wind slabs in unusual places due to northerly winds, while sheltered areas still have 20-40 cm of cold powder. A layer of surface hoar is now buried 80-150 cm below the surface and continues to be a concern certain parts of the Selkriks and the northern end of the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack and has occasionally been reactive in isolated shallow snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":172,"length":12,"key":0},{"offset":328,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9elij","text":"As cold arctic air settles over the region expect wind slabs in unusual places due to recent valley winds from the north, while sheltered areas still have 10-30 cm of soft powder. The main concern is a layer of surface hoar that formed in late December, which is now buried 60-120 cm deep throughout the region. This layer is most likely found on sheltered slopes at and below treeline. Reports suggest the reactivity of layer is variable, as on some slopes it is well bonded while on other slopes it is still reactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":211,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"a71nh","text":"As cold arctic air settles over the region expect wind slabs in unusual places due to  northerly winds, while sheltered areas still have 20-50 cm of cold powder. A thin crust exists in many areas 50-100 cm below the surface, and beneath that is a layer of surface hoar that is roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack. These layers appear to be unreactive under the current conditions, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":256,"length":12,"key":0},{"offset":356,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"881s9","text":"The cold temperatures are creating surface faceting and most likely some surface hoar growth as well.  There are several generations of buried wind slabs in the top 50cm of the snow pack in the alpine and tree line that are still a concern for triggering. If any avalanche is triggered in the upper snowpack, there is a strong possibility to wake up the deeper persistent slab which is sitting on the November complex (crust, facets and depth hoar).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5jlc0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9hpj3","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days. Expect fresh wind slabs to form on lee features on Thursday. A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0},{"offset":474,"length":12,"key":1},{"offset":548,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"qct0","text":"As temperatures trend milder, 20-40 cm of new snow will take on more soft slab character than the unconsolidated fluff we were seeing in previous days. In the alpine, the new snow rests on wind affected surfaces. Expect freshly wind loaded pockets in lee features and continued cornice growth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":251,"length":3,"key":0}],"data":{}},{"key":"67vj2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6p81m","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"es2m9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39k0r","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region for several weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"2m8k","text":"Extensive wind effect observed at all elevations. North to east aspects in the alpine have been wind scoured, with isolated hard windslab in lees, and notable cornice growth. This wind affected surface snow may overly a layer of surface hoar in many areas, particularly at treeline. In sheltered areas, snow is unconsolidated and well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":141,"length":4,"key":0},{"offset":159,"length":7,"key":1},{"offset":229,"length":12,"key":2}],"data":{}},{"key":"auild","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akos8","text":"A deep crust from mid November lurks at the base of the snowpack. A couple of recent large avalanches have run on this layer high in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#cornice"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"902nf","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days. Expect fresh wind slabs to form on lee features on Thursday. A thin crust exists in many areas 50-100 cm below the surface, and beneath that is a layer of surface hoar that is roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack. These layers appear to be unreactive under the current conditions, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":265,"length":12,"key":0},{"offset":365,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"d73va","text":"45-70 cm of new snow is expected to accumulate in the region by the end of Thursday under the influence of strong to extreme south winds. This will bury previously wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7f92m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kolk","text":"The new snow will add to about a meter of storm snow has fallen in the last week. In exposed areas, this snow has seen substantial wind from both the south and the north.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fqqn8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2iaq8","text":"A weak layer of snow known as the late December surface hoar is currently 70 to 200+ cm below the snow surface. Tests from snow profiles show this interface likely remains sensitive to human triggering, but not everywhere. Problem locations are places where the snowpack goes from thick to thin, steep unsupported slopes and around rock outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8colu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5j2nn","text":"The beginning of the season had less precipitation than usual, which led to a layer of sugary faceted grains as well as a hard melt-freeze crust near the base of the snowpack. In a more seasonally normal winter we wouldn't be thinking about this interface, but it has produced large, destructive natural avalanches as recently as January 11th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"artqr","text":"On Sunday, funky wind out of the north and northeast associated with an arctic front likely formed fresh wind slabs in locations we aren't used to seeing them. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5a6fi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dr0lf","text":"Previous to Sunday's wind event, the riding quality has been phenomenal throughout the region, but there are still some areas with concerns deeper in the snowpack:","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":37,"length":34,"key":0}],"data":{}},{"key":"6is91","text":"A deep persistent weak layer remains a serious concern at the bottom of the snowpack in the northern half of the region (e.g., Duffey, Hurley). It's made up of sugary faceted grains and a hard melt-freeze crust. This is an atypical setup for this part of the province, it's not going away anytime soon, and we should all probably remain a bit wary of big alpine lines, at least for now.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ebad","text":"There are currently no concerns about deep weaknesses in the snowpack near Coquihalla summit and elsewhere in the south of the region.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3e6u8","text":"Most of the region has an unusually thin snowpack in the alpine.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/mountain-information-network/submissions?regions=south-coast-inland","target":"_self","url":"https://www.avalanche.ca/mountain-information-network/submissions?regions=south-coast-inland"}}}}
{"blocks":[{"key":"33gck","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days. The main concern over the past week has been a layer of surface hoar buried 60-120 cm beneath the surface, but recent observations suggest this layer has trended towards being less reactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4e8so","text":"Strong northeast wind has prevailed since late last week,  stripping away snow in exposed terrain and depositing it in lee terrain  features. Isolated wind slabs may still be found.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eqpln","text":"Snow  depths at White Pass average around 150 cm; deeper locations (higher  terrain west of the highway) have as much as 200 cm. It's reasonable to  expect a thin snowpack with sugary facets in the Wheaton Valley,  although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3ru78","text":"30 cm of snow since the weekend has seen relatively little wind effect outside of exposed alpine features, and has been well preserved by cold temperatures. It sits over widespread windslab in exposed areas at all elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9dfss","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"352tv","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. This basal layer has gradually been gaining strength, but potential still exists for large triggers in thin, rocky areas to trigger avalanches at this depth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7dd3p","text":"Around 20 to 50 cm of storm snow has accumulated since late last  week. This has created soft surface conditions in sheltered terrain but strong wind has redistributed the snow in exposed terrain, forming wind  slabs. The wind changed directions from southwest to northeast over the  weekend, meaning that wind-affected snow and wind slabs may be found on  all aspects at and above treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aahrn","text":"A weak layer of  feathery surface hoar buried in late December remains a concern. The layer has been found across  much of the North Rockies region, but it has only become a problem in  particular areas, such as around McBride and the McGregors/Torpy. It seems to be most prevalent in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5dp0m","text":"The storm of the last several days brought 20 to 50 cm of snow which fell with moderate to strong southwest wind before winds switched to the north/northeast Sunday night. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bgpo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3glot","text":"The resulting wind fueled storm slabs likely remain sensitive to human triggers, particularly in exposed lee terrain features. More recent snow might hide slabs and make it trickier to navigate around them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dbcio","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dsu0","text":"Deeper in the snowpack, a few layers of weak and feathery surface hoar may still be found around 70 to 130 cm deep which have been active as recently as Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7f4hr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4n4c","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3evi1","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days, but expect fresh wind slabs to form on lee features on Thursday. A layer of surface hoar is now buried 80-150 cm below the surface and continues to be a concern certain parts of the Selkriks and the northern end of the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack and has occasionally been reactive in isolated shallow snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":186,"length":12,"key":0},{"offset":342,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3i3ou","text":"25-40 cm of new snow is expected to accumulate in the region by the end of Thursday under the influence of strong to extreme south winds. This will bury previously wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ci8o2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6clm3","text":"The new snow will add to about 100 cm of snow from the last few days. This previous snow has been affected by moderate to strong winds from both south and north. It rests on a hard melt hard melt-freeze crust below 1500 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fe538","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6k2e3","text":"In some areas a weak layer of surface hoar exists above the crust. Recent snowpack tests on the North Shore have given variable, sometimes quite sudden results at this interface, particularly where this combination of crust and surface hoar was identified.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7evcp","text":"Fresh wind slabs can be found in open terrain, while soft powder exists in sheltered terrain. A thin crust can be found 50-100 cm below the surface in many areas, and beneath that is a layer of surface hoar that is roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack. These layers appear to be unreactive under the current conditions, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":194,"length":12,"key":0},{"offset":294,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"c3hea","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days, but the most recent fresh wind slabs can be found on north and east lee features. A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":203,"length":12,"key":0},{"offset":495,"length":12,"key":1},{"offset":569,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"68bei","text":"As temperatures trend milder, the new snow will take on more soft slab character than the unconsolidated fluff we were seeing in previous days. In the alpine, the new snow rests on wind affected surfaces. Expect freshly wind loaded pockets in lee features and continued cornice growth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":243,"length":3,"key":0}],"data":{}},{"key":"cf1u4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cpaa","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e3pbs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b8h5s","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region for several weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"8f2aq","text":"Up to 15cm of snow has trickled in over the past few days wit h the cooler temperatures.  There has been some noticeable facetting and weakening of the snowpack in thinner areas also.  The Dec 31st facet/surface hoar interface is being found up to 2300m down 50cm and produced moderate sheers today at treeline.  Wind slabs should be expected in alpine areas especially along ridgelines and in gullied/crossloaded terrain that a skier may trigger.  If these windslabs fail, there is a good chance they will step down to the weak basal facets and involve the entire snowpack.  Be thinking about the consequences of a large avalanche as you travel. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"civ17","text":"Fresh wind slabs can be found in open terrain, while soft powder exists in sheltered terrain. A layer of surface hoar is now buried 80-150 cm below the surface and could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack and has occasionally been reactive in isolated shallow snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":105,"length":12,"key":0},{"offset":263,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"cutal","text":"Recent snow has been loaded into pockets of soft windslab in alpine lees, and is settling in the mild alpine temperatures. At lower, colder, calmer elevations it may remain unconsolidated. It sits over widespread windslab in exposed areas at all elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cm9uo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsnc3","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. This basal layer has gradually been gaining strength, but potential still exists for large triggers in thin, rocky areas to trigger avalanches at this depth.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"d73va","text":"About 35 cm of new snow accumulated in the region by the end of Thursday under an initial influence of strong to extreme south winds. The new snow buried previously wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dmlti","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2v30c","text":"The new snow adds to about a meter of storm snow that has fallen in the last week. In exposed areas, this previous snow also saw substantial wind from both the south and the north.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2sr0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3lpe3","text":"Professionals in the region are continuing to track a pair of weak surface hoar layers from mid and late December. Now 70 to 160 cm below the snow surface, these layers are giving increasingly stubborn results in snowpack tests but may remain sensitive to human triggering in places where the snowpack goes from thick to thin, steep unsupported slopes, and around sheltered shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7ds18","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fbn0n","text":"The beginning of the season had less precipitation than usual, which led to a layer of sugary faceted grains as well as a hard melt-freeze crust near the base of the snowpack. In a more seasonally normal winter we wouldn't be thinking about this interface, but it has produced large, destructive natural avalanches as recently as January 11th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dkmdp","text":"Extensive wind effect observed at all elevations. North to east aspects in the alpine have been wind scoured, with isolated hard windslab in lees, and notable cornice growth. This wind affected surface snow may overly a layer of surface hoar in many areas, particularly at treeline. In sheltered areas, unconsolidated snow may be found well preserved by the cold temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":141,"length":4,"key":0},{"offset":159,"length":7,"key":1},{"offset":229,"length":12,"key":2}],"data":{}},{"key":"9ev2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9c5lq","text":"A deep crust from mid November lurks at the base of the snowpack. A couple of recent large avalanches have run on this layer high in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#cornice"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"artqr","text":"About 20 cm of new snow accumulated in the north of the region during the midweek storm, with only a trace of new snow in the south of the region. Moderate to strong winds redistributed loose surface snow, (new snow in the north, old snow in the south) into new wind slabs on Wednesday night and Thursday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8j9sl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"362lm","text":"This new snow and new wind slab is layered above an older layer of wind-affected snow from the recent arctic outflow event.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp25a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fflaq","text":"A deep persistent weak layer remains a serious concern at the bottom of the snowpack in the northern half of the region (e.g., Duffey, Hurley). It's made up of sugary faceted grains and a hard melt-freeze crust. This layer is most likely to be triggered in thin, rocky features where it exists closer to triggering forces on the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b5gpb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"26adl","text":"There are currently no concerns about deep weaknesses in the snowpack near Coquihalla summit and elsewhere in the south of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"epo1a","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1tplb","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days, but expect to find fresh wind slabs on open north and east facing slopes. The main concern over the past week has been a layer of surface hoar buried 60-120 cm beneath the surface, but recent observations suggest this layer has trended towards being less reactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":240,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"5dp0m","text":"Stormy weather over the past several days brought 35 to 65 cm of snow to the region. Each snowfall and interval in between has been characterized by variable wind ranging from moderate to strong and shifting from south to north and back again.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"99rt1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"90etn","text":"As a result, higher elevations have formed a variable array of old and new, fresh and buried wind slabs across all aspects while sheltered lower elevations have seen mainly increasing depths of low density snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i448","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e106d","text":"As new snow continues to accumulate, concern is increasing for weak layers of surface hoar found around 70 to 130 cm deep. These layers have been active as recently as Monday and may reach a more widespread tipping point, even though they are gradually gaining strength. These layers are especially concerning in steep, large terrain features and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5kck3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dg18v","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3i3ou","text":"25-30 cm of new snow from stormy weather on Wednesday and Thursday buried previously wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"41quo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"20kmr","text":"The new snow brings snow totals from the past few days to about 120 cm. Collectively, all this snow rests on a hard melt hard melt-freeze crust below 1500 m and on previously wind-affected snow at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dbgct","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e06v","text":"In some areas a weak layer of surface hoar exists above this crust. Recent snowpack tests on the North Shore have given variable, sometimes quite sudden results at this interface, particularly where this combination of crust and surface hoar was identified.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5dp0m","text":"Stormy weather over the past several days brought 35 to 65 cm of snow to the region. Each snowfall and interval in between has been characterized by variable wind ranging from moderate to strong and shifting from south to north and back again.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fk3hl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"13idj","text":"As a result, higher elevations have formed a variable array of old and new, fresh and buried wind slabs across all aspects while sheltered lower elevations have seen mainly increasing depths of low density snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ct17m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6s1up","text":"As new snow continues to accumulate, concern is increasing for weak layers of surface hoar found around 70 to 130 cm deep. These layers have been active as recently as Monday and may reach a more widespread tipping point, even though they are gradually gaining strength. These layers are especially concerning in steep, sheltered, large terrain features and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e4biv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5v89g","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"89bb2","text":"Fresh wind slabs can be found in exposed terrain on all aspects, while around 30 cm of recent soft snow exists in sheltered terrain. A layer of surface hoar is now buried 80-150 cm below the surface and could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack and has occasionally been reactive in isolated shallow snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":0},{"offset":302,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"dsbap","text":"The recent storm snow is deep, soft and settling in the mild temperatures. Slight wind affect may be observed in exposed alpine features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bd7po","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"71bki","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"k7rl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d7lg0","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region for several weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3i3ou","text":"Up to 50 cm of new snow is expected to accumulate over the region by the end of the day on Saturday. This will bury wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6p9eh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er8mf","text":"The new snow is expected to bring snow totals from the past week to about 170 cm. Collectively, all this snow rests on a hard melt hard melt-freeze crust below 1500 m and on previously wind-affected snow at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6qht7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2p1tf","text":"In some areas a weak layer of surface hoar exists above this crust. Recent snowpack tests on the North Shore have given variable, sometimes quite sudden results at this interface, particularly where this combination of crust and surface hoar was identified.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"40s2f","text":"Strong northeast wind has prevailed since late last week,  stripping away snow in exposed terrain and depositing it in lee terrain   features. Isolated wind slabs may still be found.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2acu7","text":"The prolonged cold temperatures have started to facet the upper snowpack and there has even been some surface hoar starting to develop in the trees.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":102,"length":32,"key":0}],"data":{}},{"key":"8iboj","text":"Snow  depths at  White Pass average around 150 cm; deeper locations (higher  terrain  west of the highway) have as much as 200 cm. It's reasonable to  expect a  thin snowpack with sugary facets in the Wheaton Valley,  although we  don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/83ca0dd6-32e2-46cc-a598-61ad3a857e8e"}}}}
{"blocks":[{"key":"fhnch","text":"20 to 50 cm of settled storm snow has been subject to winds from all directions.  Wind slabs are likely to be  found on  all aspects at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"89adv","text":"A weak layer of   feathery surface hoar buried in late December remains a concern. The  layer has been found across  much of the North Rockies region, but it  has only become a problem in  particular areas, such as around McBride  and the McGregors/Torpy. It seems to be most prevalent in sheltered  treeline features 50 to 150 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5hr7","text":"Surface conditions are variable due to cold temperatures and shifting wind directions over the past few days, but the most recent fresh wind slabs can be found on north and east lee features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bj15","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e7u4g","text":"A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":303,"length":12,"key":1},{"offset":377,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"en958","text":"Recent winds have switched from northeast to southwest, indicating that wind slabs can be found in exposed terrain on all aspects. In sheltered terrain, around 30 cm of recent soft snow exists. A thin melt-freeze crust can be found 50-100 cm below the surface in many areas, and beneath that is a layer of surface hoar that is roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack. These layers appear to be unreactive at the moment, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":306,"length":12,"key":0},{"offset":406,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"d1g5t","text":"Recent snow has been loaded into pockets of soft windslab in alpine lees, and is settling in the mild alpine temperatures. At lower, colder, calmer elevations it may remain unconsolidated. It sits over widespread windslab in exposed areas at all elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bjn8t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8i1kk","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures later in the weekend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9qipe","text":"Surface conditions are variable due to the recent cold temperature and variable wind directions. Fresh wind slabs are likely present on exposed slopes at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"12thc","text":"The main concern over the past week has been a layer of surface hoar buried 60-120 cm beneath the surface.  Although an avalanche has not been reported on this layer in the past four days, the likelihood of triggering it may increase as new snowfall accumulates and stresses it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":56,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"3pdt0","text":"The snow continues to grow with the intermittent flurries this week. Treeline has about 130-150cm. The Dec 31 SH/FC layer is down about 50cm (at treeline) and so far not a huge problem. Having said that, as the surface snow becomes more dense it may become a problem. The mid pack is generally strong despite the cold temps. As for the bottom layers, they are still loose and \"sugary\". While mostly shielded by the upper layers, these deep layers could fail with a large load, or impact in thin area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8855b","text":"Strong southwest wind and around 10 to 20 cm of new snow will form fresh storm slabs, with the most reactive slabs being in lee terrain features at higher elevations. The slabs may develop quickly due to relatively warm air temperature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bqa1q","text":"A layer of surface hoar is now buried 80-150 cm below the surface and could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. A facet/crust layer from late November lingers near the bottom of the snowpack and has occasionally been reactive in isolated shallow snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":169,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5dp0m","text":"Stormy weather over the past several days brought 35 to 65 cm of snow to the region. Each snowfall and interval in between has been characterized by variable wind ranging from moderate to strong and shifting from south to north and back again.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"61tvd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ck2fl","text":"As a result, higher elevations have formed a variable array of old and new, fresh and buried wind slabs across all aspects while sheltered lower elevations have seen mainly increasing depths of low density snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9o07q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ki2p","text":"As new snow continues to accumulate, concern is increasing for weak layers of surface hoar found around 70 to 130 cm deep. These layers have been active as recently as Monday and may reach a more widespread tipping point, even though they are gradually gaining strength. These layers are especially concerning in steep, sheltered, large terrain features and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"88akt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d24fr","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3p0bo","text":"Strong southwest wind may produce fresh wind slabs in lee terrain features, particularly near ridges. Wind slabs have been reported as having the potential to propagate far.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bo3vh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"egr2k","text":"A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones. The likelihood of triggering buried weak layers may increase as the air temperature rises.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":303,"length":12,"key":1},{"offset":377,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"767u7","text":"The region has received about 65 cm of snow in the last three days and almost 120 cm of snow in the last week. The recent storm snow is deep, soft and settling in the mild  temperatures. Slight wind affect may be observed in exposed alpine  features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"26th9","text":"Several crust layers exist in the mid snowpack as  a result of previous warming and rain events. These have not been  identified as bed surfaces or failure planes in recent avalanche  activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bg1r","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer  has not been an active avalanche problem in our region for several  weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"np7h","text":"Wind slabs are present at Treeline and above on N, E and S aspects, while W aspects are scoured down to rock. Ski cutting produced some cracking today on wind loaded slopes immediately below ridge-crest, which indicates that human triggering is possible in the right terrain. Despite a week of very cold temperatures the mid-pack is holding onto it's strength, except in shallow snowpack areas. The basal facets and depth hoar are as bad as ever and are here to stay for the foreseeable future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8ss8t","text":"Extensive wind affect at all elevations. Southerly winds are  forming fresh wind slabs from new snow in places that were previously  scoured by northeasterly arctic outflows.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"qlit","text":"Around treeline, the old wind slabs may overly a layer of surface hoar,  up to 1 m deep. This means they may remain sensitive to human  triggering and resulting avalanches could be surprisingly large. Deeper  in the snowpack, another couple of surface hoar layers are currently buried about 80-120 cm below the surface in  sheltered areas around treeline. There have been no reports of avalanche  activity associated with them for a few weeks, during which several  storm slab avalanche cycles have tested their potential for step-downs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0},{"offset":244,"length":12,"key":1},{"offset":526,"length":10,"key":2}],"data":{}},{"key":"a8crp","text":"A  deep crust from mid November lurks at the base of the snowpack. A  couple of recent large avalanches are suspected to have run on this  layer in isolated incidents on lee and cross-loaded features high in the  alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#step-down-avalanche","target":"_self","url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}
{"blocks":[{"key":"c081","text":"Recent snow has been loaded into pockets of soft wind slab in  alpine lees, and is settling in the mild alpine temperatures. At lower elevations it may remain unconsolidated. It sits over  widespread wind slab in exposed areas at all elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3b4d0","text":"A  well consolidated mid-snowpack overlies a generally weak basal snowpack.  The bottom 10-20 cm of the snowpack consists of facets and  deteriorating crusts. There is potential for this deep persistent layer  to reawaken as temperatures warm on Monday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3i3ou","text":"2-day snow totals over the region are expected to reach 50-60 cm by the end of the day on Sunday. The new snow has buried wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fo6fc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aa82h","text":"The new snow will bring snow totals from the past week to about 170 cm. Collectively, all this snow rests on a hard melt hard melt-freeze crust below 1500 m and on previously wind-affected snow at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"anegb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c7ci5","text":"In some areas a weak layer of surface hoar exists above this crust. Recent snowpack tests on the North Shore have given variable, sometimes quite sudden results at this interface, particularly where this combination of crust and surface hoar was identified.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5plvv","text":"Strong southwest wind and around 10 to 20 cm of new snow will form fresh storm slabs, with the most reactive slabs being in lee terrain features at higher elevations. The slabs may develop quickly due to relatively warm air temperature.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"avivs","text":"A thin melt-freeze crust can be found 50-100 cm below the surface in many areas, and beneath that a layer of surface hoar may still be found, which is roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November may be found near the bottom of the snowpack. These layers appear to be unreactive at the moment, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":12,"key":0},{"offset":230,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"19qfv","text":"In the south of the region, around 10 to 20 cm of new snow is forecast, which will form fresh storm slabs. Across the entire region, strong southwest wind is forecast, meaning that wind slabs are likely present on exposed slopes at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"av6dk","text":"The main concern over the past couple of weeks has been a layer of surface hoar buried 60-120 cm beneath the surface.  Although an avalanche has not been reported on this layer in the past five days, the likelihood of triggering it may increase as the air temperature warms.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4fctp","text":"The south of the region received around 10 to 20 cm of snow on Saturday and another 10 to 20 cm of snow may accumulated Sunday night into Monday. The snow is accompanied by strong southwest wind as well as an increase in the freezing level, meaning that the snow may form cohesive slabs relatively quickly. The touchiest slabs will likely be in lee terrain features at and above treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1kfb4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bdk91","text":"The main concern over the past couple of weeks has been a layer of surface hoar buried 60 to 120 cm deep.  Although an avalanche has not been reported on this layer in the past six days, the likelihood of triggering it may increase as the air temperature warms.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"52qdb","text":"Around 15 cm of recent snow and strong southwest wind has produced wind slabs in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"756hd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7s0em","text":"A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives. The likelihood of triggering buried weak layers may increase as the air temperature rises on Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":303,"length":12,"key":1},{"offset":377,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"3i3ou","text":"5-20 cm of new snow, increasing with elevation, is expected to fall in the region by the end of the day Monday. This will cover wet surfaces at all elevations as a result of rain over Sunday night.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dt21f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h7s7","text":"The weekend storm brought an elevation-dependent 5 to possibly 50 cm of new snow to the region, with the greatest amounts confined to the high alpine. The new snow buried wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2t8a6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bolqf","text":"The new snow brought snow totals from the past week to about 100-170 cm, again increasing with elevation. This snow is expected to have now formed a strong bond with the hard melt hard melt-freeze crust present below 1500 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3pqs3","text":"The winds picked up last night and immediately built new windslabs in the alpine & treeline areas. All eastern aspects have soft slabs that feel hollow. No whumphing or cracking was observed, but we limited our exposure to the higher and windier areas today. A profile at treeline had a snow depth of about 2m with the Dec 31 layer down about 40cm. The deep persistent layer was about 20cm thick and made  up of depth hoar and facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5dp0m","text":"Stormy weather over the past several days brought 35 to 65 cm of snow to the region. Each snowfall and interval in between has been characterized by variable wind ranging from moderate to strong and shifting from south to north and back again.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5jnss","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1finr","text":"As a result, higher elevations have formed a variable array of old and new, fresh and buried wind slabs across all aspects while sheltered lower elevations have seen mainly increasing depths of low density snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2nkqa","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fbdmd","text":"With a significant rise in temperature forecast for Monday, concern is increasing for weak layers of surface hoar found around 70 to 130 cm deep. These layers have been active as recently as last Monday and may reach a more widespread tipping point as warming increases slab properties in the snow overlying it. These layers are especially concerning in steep, sheltered, large terrain features and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c7eic","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2snpi","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"gn3s","text":"On Sunday a thin breakable rain crust was observed on the snow surface. Previous to this the region has received about 65 cm of snow in the last four days and almost 120 cm of snow in the last week. The recent storm snow  is deep, soft and settling in the mild  temperatures. Slight wind affect  may be observed in exposed alpine  features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b4rl2","text":"Several crust layers  exist in the mid snowpack as  a result of previous warming and rain  events. These have not been  identified as bed surfaces or failure  planes in recent avalanche  activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6d9v7","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer   has not been an active avalanche problem in our region for several   weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dn6c3","text":"As of Sunday afternoon the storm had produced about 20 to 65 cm of snow with the larger totals in the south of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9r8hn","text":"The new snow is resting on extensively wind affected surfaces at and above treeline.  In sheltered locations at and below treeline the new rests on up to 20 cm of facets formed during the cold temperatures of last week.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ogfn","text":"A deep crust from mid November lurks at the base of the snowpack. A couple of recent   large avalanches have run on this layer on lee and cross-loaded   features high in the alpine. As this storm applies significant new snow   loads to the snowpack, these deep layers will feel the stress and we  may  see some very large avalanches in high places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"d73va","text":"5-20 cm of new snow, increasing with elevation, is expected to fall in the region by the end of the day Monday. This will cover rain-wetted surfaces below about 1700 metres and add to roughly 15-70 cm of snow from the weekend storm, again increasing with elevation and with proximity to the coast.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3u59h","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"181el","text":"The storm buried recent wind slabs and wind-affected surfaces in exposed areas at all elevations and soft, low density snow in sheltered areas. It adds to just over a meter of storm snow that has fallen in the last week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7n5s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ov6l","text":"A pair of weak surface hoar layers from mid and late December existed about 70 to 160 cm below the surface in advance of the storm. These layers were given a good loading test at most elevations by the storm, but still warrant caution around steep, sheltered slopes and shallow rocky areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6luju","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ejrih","text":"A layer of sugary faceted grains and hard melt-freeze crust exists near the base of the snowpack in inland parts of the region, such as the Spearhead Range.  This layer also received a good loading test by the storm, but continues to warrant avoidance of shallow rocky start zones in the alpine and upper treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"fm1oj","text":"Strong southwest wind and around 10 to 20 cm of recent snow has formed new slabs, with the most reactive slabs being in lee terrain features at higher elevations. The slabs may become reactive at all elevations due to relatively warm air temperature on Sunday night into Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1e1uu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cu2kk","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November may be found near the bottom of the snowpack. These layers appear to be unreactive at the moment, but could reappear as problems in the future.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":122,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"1r8ek","text":"Around 10 to 30 cm of snow has fallen in the past couple of days, with associated strong southwest wind. A rise in the air temperature on Sunday night into Monday will mean that the snow will form slab properties quickly. Expect the most reactive slabs to be in lee terrain features near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b2v2v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9tm8q","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. Although an avalanche has not been reported on this layer since January 13, the likelihood of triggering it may increase as the air temperature warms.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"9g2t1","text":"Widespread wind slabs, sastrugi and breakable wind crust can be found above 1400 m. Southerly winds and 10 to 15 cm of recent snow are likely forming fresh wind slabs  in places  previously  scoured by northeasterly arctic outflow winds.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bddeq","text":"In wind protected features at and below treeline up to 10 cm of recent storm snow lies on top of facets which have recently been sensitive to human triggering. Surface Hoar up to 1 m in depth may also be found at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c4mp8","text":"Facets, crust and depth hoar can be found near the base of the snowpack.  A   couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been confined to     lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"97lo2","text":"Recent snow has been loaded into pockets of soft wind slab in   alpine lees, and is settling in the mild alpine temperatures. At lower  elevations it may remain unconsolidated. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2d1ji","text":"A  well consolidated  mid-snowpack overlies a generally weak basal snowpack.  The bottom 10-20  cm of the snowpack consists of facets and  deteriorating crusts. There  is potential for this deep persistent layer  to reawaken as temperatures  warm on Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1v922","text":"Storm totals in the south of the region are in the range of 60-90 cm. Windslabs formed in the alpine may now be hidden by newly fallen snow due to strong southerly winds dying down towards the tail of the storm. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"au31v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8v21h","text":"The new snow rests on extensively wind affected surfaces at upper elevations, and a thick layer of weak facets in sheltered areas treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":104,"length":6,"key":0}],"data":{}},{"key":"91ghf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b2o8v","text":"A deep crust from mid November lurks at the base of the snowpack. A couple of recent large avalanches have run on this layer on lee and cross-loaded features high in the alpine. As this storm applies significant new snow loads to the snowpack, these deep layers will feel the stress and we may see some very large avalanches in high places.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"871mb","text":"Around 10 to 30 cm of snow has fallen in the past couple of days. Fresh snow combined with recent moderate winds and relatively warm temperatures will mean that storm slabs have likely formed in many areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5e0qo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dnqd","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"ervah","text":"Wind over the past week has ravaged the surface snow, stripping away snow in exposed terrain and depositing it in lee terrain features. Isolated wind slabs may still be found. The prolonged cold temperatures have started to facet the upper snowpack and there has even been some surface hoar starting to develop in the trees. Snow depths at White Pass average around 150 cm; deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack with sugary facets in the Wheaton Valley, although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":278,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/83ca0dd6-32e2-46cc-a598-61ad3a857e8e","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/83ca0dd6-32e2-46cc-a598-61ad3a857e8e"}}}}
{"blocks":[{"key":"2s9lr","text":"A sun crust can be found at the surface on south facing aspects, with a thin fog crust near the surface elsewhere. Slight wind effect may be observed in exposed alpine features. After over 1 m of steady snowfall last week, the stout upper snowpack continues to settle in the mild temperatures. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mq1j","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jchd","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i0oj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8prse","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since the early season.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"bnrte","text":"The south of the region received around 10 to 20 cm of snow over the weekend. The snow was accompanied by moderate southerly winds and relatively warm temperatures, which will mean that the new snow has likely formed storm slabs in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bksii","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dfll1","text":"The main concern over the past couple of weeks has been a layer of surface hoar buried 60 to 120 cm deep. This layer appears to be gaining strength and there have been no avalanches reported on this layer in the past week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"55mva","text":"Relatively continuous light snowfalls over the past few days have brought recent storm totals to 25-50 cm in the north of the region. This recent snow has been heavily wind-affected in exposed areas at all elevations. The south of the region has received less snow and with warm temperatures has moist and crusty surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5frmb","text":"90-150 cm of snow currently sits above a weak layer of surface hoar from Christmas that professionals are tracking in the north of the region. It may be found at treeline and below on shaded aspects in sheltered areas. A deep persistent weak layer remains a serious concern at the bottom of the snowpack in the northern half of the region (e.g., Duffey, Hurley). It's made up of sugary faceted grains and a hard melt-freeze crust. This layer is most likely to be triggered in thin, rocky features where it exists closer to triggering forces on the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5eb4","text":"There are currently no concerns about deep weaknesses in the snowpack near Coquihalla summit and elsewhere in the south of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8q0lc","text":"A frontal system crossing the region on Tuesday will start with rain and transition to wet snow by the afternoon. 10-25 cm of new snow will accumulated above 1000 m. A pair of weak surface hoar layers from mid and late December existed about 70 to 160 cm below the surface in advance of the storm. These layers were given a good loading test at most elevations by the storm, but still warrant caution around steep, sheltered slopes and shallow rocky areas. A layer of sugary faceted grains and hard melt-freeze crust exists near the base of the snowpack in inland parts of the region, such as the Spearhead Range. This layer also received a good loading test by the storm, but continues to warrant avoidance of shallow rocky start zones in the alpine and upper treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e9omn","text":"A crust can be found on solar aspects at lower elevations due to daytime warming on Monday. Recent snow has been loaded into pockets of soft windslab in alpine lees, and is settling in the mild alpine temperatures. At lower elevations it may remain unconsolidated. It sits over widespread windslab in exposed areas at all elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ntv1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8i8c","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures later in the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5dp0m","text":"Stormy weather over the past several days brought 35 to 65 cm of snow to the region with moderate to strong winds from a variety of directions. This, combined with recent warm temperatures, will have likely formed fresh storm slabs in many areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ib7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bcj9d","text":"There are two weak layers of surface hoar found around 70 to 130 cm deep. These layers are especially concerning in steep, sheltered, large terrain features and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":12,"key":0}],"data":{}},{"key":"2c5ns","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f0kej","text":"The base of the snowpack is also weak in parts of the region where it consists of sugary faceted snow around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"f21bi","text":"20-40 cm of new snow by Tuesday evening will bury wet and crusty snow left over from the rain on Monday. While it snowed a whopping 100-170 cm last week, this snow has since been soaked by heavy rain all the way to the tops of the North Shore mountains. In higher elevation peaks there may still be dry snow and potential wind slab or storm slabs problems.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cb7o1","text":"Strong southwest wind and around 10 to 20 cm of recent snow has formed new storm slabs, with the most reactive slabs being in lee terrain features at higher elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"anufr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3qf4b","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November may be found near the bottom of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":122,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"1qtsn","text":"Recent snow has settled with warm temperatures and been blown around by wind from various directions, resulting in wind slabs on all aspects at and above treeline. A weak layer of surface hoar buried in late December remains a concern. The layer has been found across much of the North Rockies region, but it has only become a problem in particular areas, such as around McBride and the McGregors/Torpy. It seems to be most prevalent in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1k7he","text":"The snowpack is settling with the recent warm weather. Moist snow was observed on sheltered solar aspects at lower elevations today. This should produce a thin crust by tomorrow morning. Due to persistent strong winds and warming temperatures, wind slabs are now widespread at all elevations and on all aspects except westerly. These slabs are of varying thickness and also have highly inconsistent results in snowpack stability tests. Forecasters continue to monitor the Dec 31 layer (surface hoar or facets) that is now buried 50cm on average. The layer has not been particularly active in avalanche activity, but it's a good thing to keep an eye on. The mid-pack is unusually strong and settled for this part of the mountain range. While, in many ways this is a good thing, it also serves to mask the significant basal weakness. There is still potential to trigger the basal layers, particularly in shallow snowpack areas, which could result in very large, destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7052r","text":"Around 15 cm of recent snow and strong southwest wind has produced wind slabs in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9fdo5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bdfsk","text":"A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"bggcl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ah2r3","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"460fq","text":"Extensive wind effect at all elevations is well illustrated in photos from this MIN post from Saturday. Southerly winds are forming fresh windslabs from 10-20 cm of recent snow in places that were previously scoured by northeasterly arctic outflows. In wind sheltered areas at treeline and below, the recent snow sits on a layer of touchy facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":80,"length":8,"key":0},{"offset":339,"length":6,"key":1}],"data":{}},{"key":"5v75s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"73b7d","text":"A layer of surface hoar up to 1 m in depth may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":81,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/7282c414-d97e-4ca9-b23b-ba2199425e62"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"eia84","text":"Recent strong westerly winds have formed stiff windslabs low in alpine lees. A crust can be found at lower elevations and on solar aspects due to recent daytime warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"28l9o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ttaj","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures later in the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7052r","text":"Around 15 cm of recent snow and strong southwest wind has produced wind slabs in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ff99o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cqjg","text":"A layer of surface hoar that formed in late December appears to be less reactive than it was a week ago and can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"83sb1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1kktl","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"8lba2","text":"Between Tuesday morning and Wednesday morning 15-40 cm of new snow will accumulate. This snow is falling above wet and crusty snow left over from heavy rain a few days ago. Rain all the way to the top of the North Shore mountains ruined any remaining power from last week, but has also created a strong snowpack. The highest peaks of the region may still have dry snow and old wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bmuh6","text":"Extensive wind effect at all elevations is well illustrated in photos from this MIN post from Saturday. Southerly winds are forming fresh windslabs from 10-20 cm (up to 50 cm in the Howson area) of recent snow in places that were previously scoured by northeasterly arctic outflows. In wind sheltered areas at treeline and below, the recent snow sits on a layer of touchy facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":80,"length":8,"key":0},{"offset":372,"length":6,"key":1}],"data":{}},{"key":"44phc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4bphs","text":"A layer of surface hoar up to 1 m in depth may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":81,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/7282c414-d97e-4ca9-b23b-ba2199425e62"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"bnrte","text":"The south of the region received around 10 to 20 cm of snow over the weekend. The snow was accompanied by moderate southerly winds and relatively warm temperatures, which will mean that the new snow has likely formed wind slabs in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fsrkr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b5fqh","text":"The main concern over the past couple of weeks has been a layer of surface hoar buried 60 to 120 cm deep. This layer is primarily a concern at treeline and below. It appears to be gaining strength, though test results indicate that there is still the potential to trigger it in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"cb7o1","text":"Recent strong southerly wind and around 15 to 30 cm of recent snow has formed new storm slabs, with the most reactive slabs being in lee terrain features at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7d6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"lgtv","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. A facet/crust layer from late November may be found near the bottom of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":122,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"8aptn","text":"60-90 cm of recent snow is forming fresh windslabs as southerly winds build through the day Wednesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cd9im","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2mr7j","text":"The new snow rests on extensively wind affected surfaces at upper elevations, and a thick layer of weak facets in sheltered areas treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":104,"length":6,"key":0}],"data":{}},{"key":"8rt9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ff3vl","text":"A deep crust from mid November lurks at the base of the snowpack. A few recent large avalanches have run on this layer on lee and cross-loaded features high in the alpine. This week's succession of storms adding significant new load to the snowpack will be a good test of this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"871mb","text":"Around 15 to 40 cm of snow has fallen over the past few days. Fresh snow combined with recent moderate winds and relatively warm temperatures will mean that storm slabs have likely formed in many areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cglbu","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"67pis","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"1daqr","text":"New snow is accumulating above wet and crusty interfaces after warm temperatures reached treeline elevations on Sunday. With strong southwest wind, expect scoured windward slopes in the alpine and thick wind slab deposits in lee terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bt1h","text":"There are currently no concerns about deep weaknesses in the snowpack near Coquihalla summit and elsewhere in the south of the region. In the northern half of the region (e.g. Duffey, Hurley), there are several layers of concern. One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline and below on shaded aspects in sheltered areas. The other is  weak faceted grains and crusts near the bottom of the snowpack, that is most likely to be triggered in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c3bfc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cmuhf","text":"Recent weather has created a mix of surface conditions. 5-25 cm of new snow will accumulate by Wednesday morning, but will likely be heavily wind affected. Extreme wind has scoured windward slopes in the alpine and formed thick wind slab deposits in lee terrain. A rain crust now exists up to treeline elevations, and moist snow exists below 1500 m. Overall storm slab hazards likely exist in areas where new snow has accumulated. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tl90","text":"Recent observation suggest it is now difficult to trigger surface hoar layers that formed in December (now buried 100 to 150 cm below the surface). However, weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region, such as the Spearhead Range. This layer will continue to be a problem when the snowpack is stressed by new snow or warming, and is best managed by avoiding shallow rocky start zones in the alpine and upper treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"duqu3","text":"The snowpack is settling with the recent warm weather. Thin melt freeze crusts were observed on solar aspects this morning.   Wind slabs are now widespread at all elevations and on all aspects except westerly. These slabs are of varying thickness and also have highly inconsistent results in snowpack stability tests. Forecasters continue to monitor the Dec 31 layer (surface hoar or facets) that is now buried 50cm on average. The layer has not been particularly active in avalanche activity, but it's a good thing to keep an eye on. The mid-pack is unusually strong and settled for this part of the mountain range. While, in many ways this is a good thing, it also serves to mask the significant basal weakness. There is still potential to trigger the basal layers, particularly in shallow snowpack areas, which could result in very large, destructive avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dikl3","text":"Thin surface crusts may be found on a variety of aspects and elevations. Wind loaded pockets are forming in lee features in the alpine. After over 1 m of steady snowfall last week, the stout upper snowpack continues to settle in the mild temperatures. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"daru6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3c8j6","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7jflr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"anh05","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since 2019.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"er4kt","text":"35 to 65 cm of new snow from last weekend has been redistributed by moderate to strong winds from a variety of directions. This combined with relatively warm temperatures, will have likely formed fresh slabs in many areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bff28","text":"There are two weak layers of surface hoar found around 70 to 130 cm below the snow surface. These layers are especially concerning in steep, sheltered, and shallow rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":29,"length":12,"key":0}],"data":{}},{"key":"4dtcs","text":"The base of the snowpack in many parts of the region consists of weak sugary faceted crystals around a melt-freeze crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"7052r","text":"Around 15-20 cm of recent snow over the past week and strong southwest wind has produced wind slabs in lee terrain features. Strong southwest winds on Thursday may form fresh and potentially reactive wind slabs at upper elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"tc84","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"chlnn","text":"A layer of surface hoar that formed in late December appears to be gaining strength. It can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"b25r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ctm7","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"tmoi","text":"Recent strong westerly winds have formed stiff wind slabs in exposed terrain at treeline and alpine locations. A crust can be found at lower elevations and on solar aspects due to recent daytime warming and sun exposure.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2r5tm","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures later in the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aoni8","text":"60-90 cm or recent storm snow is settling rapidly with mild weather. In exposed areas, expect southerly winds to build fresh wind slabs on north aspect slopes. The new snow rests on extensively wind affected surfaces at upper elevations, and a thick layer of weak facets in sheltered areas treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":264,"length":6,"key":0}],"data":{}},{"key":"dq46","text":"A deep crust from mid November lurks at the base of the snowpack. Although the last reported avalanche on this layer was from Jan 17th, I wouldn't write this layer off. At this time it is most likely to react in response to a large trigger such as a cornice fall, or in response to significant warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"7m0h6","text":"Southerly winds have formed fresh wind slabs from 10-20 cm (up to 50 cm in the Howson area) of recent snow in places that were previously scoured by northeasterly arctic outflows. In wind sheltered areas at treeline and below, the recent snow sits on a layer of touchy facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":6,"key":0}],"data":{}},{"key":"1di5m","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.Total snow depths of 30-40 cm have been reported at alpine elevations in the Smithers area, with depths diminishing rapidly with elevation below 1500 metres. For most areas where snow cover exists, the snowpack is capped by a supportive melt-freeze crust. Above 1800 metres a light cover of windblown snow is reported to have formed thin wind slabs in lee areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"6suq6","text":"Another 10-20 cm of new snow on Thursday will bring a total of 15-30 cm of snow above a thin crust layer that formed on Monday. Strong wind from a variety of directions has created variable surface conditions in open terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"82non","text":"There are two layers of surface hoar found around 70 to 130 cm below the snow surface that have been an issue in steep, sheltered, and shallow rocky areas. The base of the snowpack in many parts of the region consists of weak faceted crystals and crusts. Recent observations suggest these persistent weak layers are becoming less reactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":24,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"cb7o1","text":"Over the past week there has been about 15 to 30 cm of recent snow, and another 10-15 is forecast for Thursday. This snow will arrive with strong southwest winds and relatively warm temperatures, which will mean that storm slabs will likely be forming in many areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kqbg","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24kcs","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. This layer exists primarily at treeline and below treeline and through it appears to be gaining strength, it could still be triggered by a large load in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"18bms","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"46tu","text":"A weak facet/crust layer from late November may be found near the bottom of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":17,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"uhn9","text":"Thin surface crusts may be found on a variety of aspects and elevations. Wind loaded pockets are forming in lee features in the alpine. After over 1 m of steady snowfall last week, the stout upper snowpack continues to settle in the mild temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2qemm","text":"Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dlqjs","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since 2019.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3c4m7","text":"Heavy rain up to 2000 m on Thursday will soak the surface of the snowpack at all elevations and create the potential for wet loose avalanches. Recent rain has created a strong and settled snowpack, which is now 250-300 cm deep around the peaks of the North Shore mountains.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6lm44","text":"A frontal system crossing the region will bring 40-80 cm of new snow above 1700 m on Thursday, creating thick reactive storm slabs. The new snow is burying heavily wind affected snow in open terrain. A rain crust has been reported roughly 40 cm below the surface up to elevations around 2000 m, and as been a recent bed surface for avalanches. Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region, including the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"c9cfe","text":"Recent snow has settled with warm temperatures and been blown around by wind from various directions, resulting in wind slabs on all aspects at and above treeline. A weak layer of surface hoar buried in late December remains a concern. The layer has been found across much of the North Rockies region, but it has only become a problem in particular areas, such as around McBride and the McGregors/Torpy. It seems to be most prevalent in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"871mb","text":"Around 15 to 40 cm of snow has fallen over the past week with another 10-15 forecast for Thursday with strong southwest winds and relatively warm temperatures. There will likely be storm slabs forming throughout the day, especially in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6lm9s","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"hqpc","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. It exists primarily at treeline and below treeline, and though it appears to be gaining strength, it could still be triggered by a large load in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"98o5u","text":"10-15 cm of new snow may now obscuring widespread wind effect from last week when the wind ravaged the surface snow, stripping away snow in exposed terrain and depositing it in lee terrain features. Lingering buried hard wind slabs may still be found. The prolonged cold temperatures have faceted the upper snowpack and there has even been some surface hoar that possibly had a chance to develop in the trees. Snow depths at White Pass average around 150 cm; deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack with sugary facets in the Wheaton Valley, although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":345,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/83ca0dd6-32e2-46cc-a598-61ad3a857e8e","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/83ca0dd6-32e2-46cc-a598-61ad3a857e8e"}}}}
{"blocks":[{"key":"bnrte","text":"There has been 10 to 30 cm of new snow over the past week and up to 15 cm forecast to fall during the day on Thursday. Strong winds and warm temperatures on Thursday will likely mean that storm slabs will be forming, especially in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4hp4q","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3tqta","text":"There is a layer of surface hoar buried 60 to 120 cm deep. This layer exists primarily at treeline and below. It appears to be gaining strength, though test results indicate that there is still the potential to trigger it in isolated areas. Check out this MIN report from a few days ago outlining some recent test results on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":20,"length":12,"key":0},{"offset":256,"length":10,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/6a86eb53-fa2b-4367-9516-614919820e11"}}}}
{"blocks":[{"key":"dub0v","text":"New snow will accumulate above 1500 m creating new storm and wind slabs. The new snow is burying a mix of old wind slabs, crusts, and moist snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7fd2o","text":"There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bdgk","text":"There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline in sheltered areas. The other is weak faceted grains and crusts near the bottom of the snowpack, that is most likely to be triggered in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"b4d84","text":"A frontal system crossing the region has already delivered 40-60 cm of snow by Thursday afternoon and another 30-50 cm is expected by Friday afternoon, resulting in very thick storm slabs at higher elevations. Thinner deposits of new snow are expected below 2000 m due to a mix of rain and snow during the storm. Wind over the past few days has been strong to extreme from the south, resulting in highly variable conditions in open terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"amsce","text":"Prior to the storm there were reports of a 50 cm deep rain crust that had been the bed surface for small storm slab avalanches  below 2000 m. Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"446o5","text":"Regular snowfall over the past week brought around 20-40 cm of snow to the region. Elevated winds and warm temperatures on Thursday mean that touchy new storm slabs were likely forming at higher elevations while melting of surface snow occurred below about 1500 metres. A similar picture is expected for Friday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a7mmd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2mttb","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. This layer exists primarily at treeline and below treeline and through it appears to be gaining strength, it could still be triggered by a large load in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4dau2","text":"Regular snowfall over the past week brought around 25-50 cm of snow to the region. Elevated winds and warm temperatures on Thursday mean that touchy new storm slabs were likely forming at higher elevations while melting of surface snow occurred below about 1500 metres. A similar picture is expected for Friday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5u47u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4r9em","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. It exists primarily at treeline and below treeline, and though it appears to be gaining strength, it could still be triggered by a large load in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"2qm4a","text":"Wet snow will begin to accumulate Friday morning as the freezing level drops. This snow will either create touchy wet loose or storm slab avalanches for the duration of the storm. Rain earlier in the week created a strong and settled snowpack, which is now 250-300 cm deep around the peaks of the North Shore mountains.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"egtmt","text":"Southerly winds have formed fresh wind slabs from 15-30 cm (up to 50 cm in the Howson area) of recent snow in places that were previously scoured by northeasterly arctic outflows. In wind sheltered areas at treeline and below, the recent snow sits on a layer of touchy facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":6,"key":0}],"data":{}},{"key":"clldf","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"fd7vv","text":"Yesterday saw another 10cm of snow on the Spray Road. Today, winds at all elevations blew this snow around to form drifts and windslabs. Ski tests didn't show an obvious weak bond, but in steep areas that would have stiffer slabs underneath, the bond could be poor. The Dec 11th layer is down 50cm, and so far unreactive. Having said that, surface hoar is notorious for \"waking up\" and becoming a problem. The deep layers are still there. The alpine, thin snowpack areas are the probable places to have it become a problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4j9p2","text":"With 15-30 cm of snow over the past three days and another 10-20 cm in the forecast for Friday, expect fresh storm and wind slabs. This snow sits above a thin crust layer that formed last weekend. We have been tracking two layers over the past month: a layer of surface hoar buried 80-120 cm below the surface and faceted crystals and crusts near the bottom of the snowpack in certain parts of the region (especially western areas such as the Rossland Range and Boundary region). Both of these layers have shown signs of being less reactive over the past 10 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":262,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"7pg0r","text":"Light snowfalls over the past week brought around 15-20 cm of snow to the region. Strong southwest winds on Thursday likely formed new wind slabs on leeward slopes at higher elevations while warm temperatures caused surface snow to melt below about 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aku6o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ibbe","text":"A layer of surface hoar that formed in late December appears to be gaining strength. It can be found 70 cm deep around Golden, 30 cm deep around Invermere, 70 cm deep around Kimberley, and 100 cm deep along Kootenay Lake.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"blnh5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgm71","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"fipk4","text":"Recent strong westerly winds have formed stiff wind slabs in exposed terrain at alpine and treeline. A crust can be found at lower elevations and on solar aspects due to recent daytime warming and sun exposure.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"asq0r","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures this week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bnrte","text":"Regular snowfall over the past week brought 20-40 cm of snow to the region. Elevated winds and warm temperatures on Thursday mean that touchy new storm slabs were likely forming at higher elevations while melting of surface snow occurred below about 1600 metres. A similar picture is expected for Friday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2cfg7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3t5g3","text":"There is a layer of surface hoar buried 60 to 120 cm deep. This layer exists primarily at treeline and below. It appears to be gaining strength, though test results indicate that there is still the potential to trigger it in isolated areas. Check out this MIN report from a few days ago outlining some recent test results on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":20,"length":12,"key":0},{"offset":256,"length":10,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/mountain-information-network/submissions/6a86eb53-fa2b-4367-9516-614919820e11","target":"_self","url":"https://www.avalanche.ca/mountain-information-network/submissions/6a86eb53-fa2b-4367-9516-614919820e11"}}}}
{"blocks":[{"key":"fu2e","text":"New snow and moderate winds have formed soft wind slabs in lee features in the alpine and treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aau09","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fipp5","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since 2019.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"c4rab","text":"A frontal system crossing the region is resulting in variable amounts of new snow and forecast amounts on Friday are also variable and uncertain. As of Thursday afternoon the northern part of the region received 15-30 cm and the southern part of the region received 10-15 cm. Another 15-40 cm of snow could accumulate by Friday afternoon, resulting in very thick and widespread storm slabs in some areas and more localized wind slabs in other areas. Wind over the past few days has been strong from the south, resulting in highly variable conditions in open terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ndur","text":"There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8fm99","text":"There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline in sheltered areas. The other is weak faceted grains and crusts near the bottom of the snowpack, that is most likely to be triggered in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4ohj1","text":"70-100 cm or recent storm snow is settling rapidly with mild weather. In exposed areas, expect southerly winds to build fresh wind slabs on north aspect slopes. The new snow rests on extensively wind affected surfaces at upper elevations, and a thick layer of weak facets in sheltered areas treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":265,"length":6,"key":0}],"data":{}},{"key":"94bu0","text":"A deep crust from mid November lurks at the base of the snowpack. Although the last reported avalanche on this layer was from Jan 17th, I wouldn't write this layer off. At this time it is most likely to react in response to a large trigger such as a cornice fall, or in response to significant warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"c9cfe","text":"Recent snow has settled with warm temperatures and been blown around by wind from various directions, resulting in wind slabs on all aspects at and above treeline. A weak layer of surface hoar buried in late December remains a concern but seems to be gaining strength. This layer has been found across much of the North Rockies region, but has seemed to be more acute in particular areas, such as around McBride and the McGregors/Torpy. It seems to be most readily found in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8ivul","text":"Around 1 m of recent storm snow is settling rapidly with mild weather, with moist surface snow below 1400 m. In exposed areas above 1400 m, expect southerly winds to build fresh wind slabs on north facing slopes. The new snow rests on extensively wind affected surfaces at upper elevations, and a thick layer of weak facets in sheltered areas treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":317,"length":6,"key":0}],"data":{}},{"key":"a2ic8","text":"A deep crust from mid November lurks at the base of the snowpack. Although the last reported avalanche on this layer was from Jan 17th, I wouldn't write this layer off. At this time it is most likely to react in response to a large trigger such as a cornice fall, or in response to significant warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"esfab","text":"Wet snow has accumulated at higher elevations and where dry snow prevailed (at the highest elevations), winds have scoured and redistributed the new snow developing slabs and building cornices. Rain and warm temperatures have promoted settlement in the upper snowpack and moist surface snow up to 1900 m. At lower elevations, rain saturated the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eevh","text":"Rain earlier in the week created a strong and settled snowpack, which is now 250-300 cm deep around the peaks of the North Shore mountains.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6v888","text":"Regular snowfall over the past week brought about 40-60 cm of snow to the region. Elevated, mainly south winds over the same period redistributed much of this snow in the alpine and upper treeline while warm temperatures promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. Surface snow is now moist or wet from warm temperatures, rain, or wet flurries up to at least 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6kdr1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1atrc","text":"A layer of surface hoar may still be found roughly 80-120 cm deep in the Selkirks and 120-160 cm deep in the Monashees. This layer exists primarily at treeline and below treeline and through it appears to be gaining strength, it could still be triggered by a large load in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"du448","text":"New snow, wind and warm temperatures have contributed to storm slab development at treeline and above. As winds impact new, dry snow expect to see scouring and wind loading at upper elevations. Below 1600 m, rising freezing levels and rain produced moist surface snow and rapid snowpack settlement.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bju9o","text":"There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla). There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline in sheltered areas. The other is weak faceted grains and crusts near the bottom of the snowpack, that is most likely to be triggered in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3ioke","text":"New snow and moderate southwest winds have formed wind slabs in lee features in the alpine. A temperature crust formed Friday at least as high as 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"87p77","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7mda3","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since 2019.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"54d9d","text":"30 cm of very light new snow has fallen over the past several days. Initially this snow fell with very little wind and is obscuring widespread wind effect from last week. Lingering buried hard wind slabs may still be found. Prolonged cold temperatures last week have faceted the buried wind slabs and wind crust formed during the wind event. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8irq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bsfb","text":"Snow depths at White Pass average around 150 cm; deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack with sugary facets in the Wheaton Valley, although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"deueq","text":"Recent strong westerly winds have formed stiff wind slabs in exposed terrain at alpine and treeline. A crust can be found up to treeline and on solar aspects in the alpine due to recent daytime warming and sun exposure.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6o86o","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. There is potential for this deep persistent layer to reawaken in the warm alpine temperatures this week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"43kd9","text":"40-60 mm in the last 36 hours fell mostly as rain below 1600 m. Above 1600 m, 30-100 cm recent snow sits over a rain crust from January 20 that was observed up to 2150 m. Wind over the past few days has been strong to extreme from the south, resulting in highly variable conditions in open terrain. Above 1800 m, strong winds continue to impact dry snow developing slabs and building cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b2ero","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"rt44","text":"Southerly winds have formed fresh wind slabs from 15-30 cm (up to 50 cm in the Howson area) of recent snow in places that were previously scoured by northeasterly arctic outflows. In wind sheltered areas at treeline and below, the recent snow sits on a layer of touchy facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":6,"key":0}],"data":{}},{"key":"apkci","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"bo7on","text":"With 20-40 cm of snow over the past few days, expect to find fresh storm and wind slabs. Warm temperatures have promoted settlement in the upper snowpack and moist surface snow below 1700 m. This new snow sits above a thin crust layer that formed last weekend. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9u1gr","text":"We have been tracking two layers over the past month: a layer of surface hoar buried 80-120 cm below the surface and faceted crystals and crusts near the bottom of the snowpack in certain parts of the region (especially western areas such as the Rossland Range and Boundary region). Both of these layers have shown signs of being less reactive over the past 10 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":65,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"fpsgm","text":"The freezing level climbed up to 2200m on Friday with the snow just a touch moist below this elevation.  New windslabs were quickly building in open areas at treeline and above and the snowpack had a distinct \"cakey\" feel with some isolated cracking.  Easy sheers were being noted in the new windslabs down 20-30cm and the dec 31st SH/FC layer continues to produce moderate- hard sudden planar sheers down 40-50cm.  Any avalanche in the upper snowpack will likely step down the the weak basal layers and be big.  Be thinking about consequences.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2n6l0","text":"Regular snowfall over the past week brought 30-50 cm of snow to the region. Elevated, mainly south winds over the same period redistributed much of this snow in the alpine and upper treeline while warm temperatures promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. Surface snow is now moist or wet from warm temperatures, rain or wet flurries up to at least 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"A layer of surface hoar buried 80 to 150 cm deep could still be a concern in certain parts of the Selkriks and the northern end of the Monashees. It exists primarily at treeline and below treeline. This layer has been gaining strength, buy it may still be triggered by large loads in some areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"1poit","text":"Regular snowfall over the past week brought 20-40 cm of snow to the region. Moderate to strong, mainly south winds over the same period have redistributed much of this snow in the alpine and upper treeline while warm temperatures have promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. Surface snow is now moist or wet from warm temperatures, rain or wet flurries up to at least 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"There is a layer of surface hoar still being tracked by professionals in the region now buried 60 to 120 cm deep. This layer exists primarily at treeline and below. It has been on a positive strengthening trend, though test results indicate that there is still the potential to trigger it in isolated areas. Check out this MIN report from a few days ago outlining some recent test results on this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":20,"length":12,"key":0},{"offset":323,"length":10,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/mountain-information-network/submissions/6a86eb53-fa2b-4367-9516-614919820e11","target":"_self","url":"https://www.avalanche.ca/mountain-information-network/submissions/6a86eb53-fa2b-4367-9516-614919820e11"}}}}
{"blocks":[{"key":"bm7rr","text":"Recent warm temperatures and rain saturated the snowpack to 1900 m. Where dry snow prevailed (at the highest elevations), winds have scoured and redistributed about 20 cm new snow developing slabs and building cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"63iuq","text":"Rain earlier in the week created a strong and settled snowpack, which is now 250-300 cm deep around the peaks of the North Shore mountains.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3v2k4","text":"20-40 cm of snow over the past few days has settled with warm temperatures and been impacted by southwesterly winds.This new snow overlies a couple of crust layers that formed between January 19-24, this is the interface recent storm snow avalanches failed on. With the recent warm temperatures, moist surface snow was reported up to 1700 m, a crust may form as temperatures cool.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eok44","text":"We have been tracking two layers over the past month: a layer of surface hoar buried 80-120 cm below the surface and faceted crystals and crusts near the bottom of the snowpack in certain parts of the region (especially western areas such as the Rossland Range and Boundary region). Both of these layers have shown signs of being less reactive over the past 10 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":65,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"2n6l0","text":"Regular snowfall over the past week brought about 40-80 cm of snow to the region, with the greatest accumulations focused in the Monashees. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e1qt5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bj06","text":"Elevated, mainly south winds over the same period redistributed much of this snow in the alpine and upper treeline. Warm temperatures promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. Surface snow is now moist or wet from warm temperatures, wet flurries, or rain up to at least 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"The layer of surface hoar we have been tracking since late December, now buried 90 to 170 cm deep, has gained considerable strength and is now considered dormant by professionals in the region. It remains a limited concern, potentially triggerable by large loads, in isolated areas of the Selkriks and the northern end of the Monashees. It exists primarily at treeline and just below treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":13,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"5afke","text":"Southerly winds have formed fresh wind slabs with the 15-30 cm (up to 50 cm in the Howson area) of recent snow. These slabs sit on previously scoured surfaces from the arctic outflow winds. In wind sheltered areas at treeline and below, the recent snow sits on a layer of facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":272,"length":6,"key":0}],"data":{}},{"key":"a4esk","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"fpsgm","text":"10-13cm over the past 24hrs.  A thin temperature crust was being found on solar aspects below 2000m early this morning.  Easy sheers were being noted in the new windslabs that formed friday in open areas down 20-30cm and the dec 31st SH/FC layer continues to produce moderate- hard sudden planar sheers down 40-50cm below 2300m.  Any avalanche in the upper snowpack will likely step down the the weak basal layers and be big.  Be thinking about consequences.  If the sun comes out, watch for stability to decrease especially on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5p9at","text":"10-25 mm precipitation in the last 24-36 hours fell mostly as rain below 1600 m. Above 1600 m, 30-100 cm recent snow sits over a rain crust from January 20 that was observed up to 2150 m. Wind over the past few days has been strong to extreme from the south, resulting in highly variable conditions in open terrain. Above 1800 m, strong winds continue to impact dry snow developing slabs and building cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"52pis","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"deu4j","text":"20-30 cm of recent snow and moderate southwest winds have formed wind slabs in exposed areas on leeward aspects at and above treeline. This combination has also contributed to cornice growth, increasing the need for vigilance of overhead hazard. A temperature crust formed Friday at least as high as 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":96,"length":7,"key":0}],"data":{}},{"key":"b1l7s","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid snowpack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"v1md","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in our region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"f7cm5","text":"10-30 cm recent snow has settled with warm temperatures over a crust from January 20. Southerly winds have redistributed snow and formed windslabs in open areas and along ridgelines. Below 1600 m, rising freezing levels and rain produced moist surface snow and rapid snowpack settlement.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"38vn9","text":"There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline in sheltered areas. The other is weak faceted grains and crusts near the bottom of the snowpack, that is most likely to be triggered in shallow rocky start zones. There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1poit","text":"Regular snowfall over the past week brought 40-60 cm of snow to the region. Moderate to strong, mainly south winds over the same period redistributed much of this snow in the alpine and upper treeline. Warm temperatures promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. Surface snow is now moist or wet from warm temperatures, wet flurries, or rain up to at least 1500 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"The layer of surface hoar that we have been tracking since late December, now buried 70 to 130 cm deep, is now considered dormant by professionals in the region. Below this old interface, the lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":13,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"ah9f7","text":"Around 1 m of recent storm snow is settling rapidly. A rapid warm-up moistened snow surfaces up to 1400 m, which was described as \"a thigh-burning, elephant snot mix of coastal pow-tatoes\" in this MIN report. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":197,"length":10,"key":0}],"data":{}},{"key":"1b33d","text":"In exposed areas above 1400 m, strong southerly winds are building wind slabs on north facing slopes. The new snow rests on extensively wind affected surfaces at upper elevations and a thick layer of weak facets in sheltered areas near treeline and below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":205,"length":6,"key":1}],"data":{}},{"key":"dhieh","text":"A crust from mid November lurks at the base of the snowpack. The last reported avalanche on this layer was Jan 17th, and it will most likely require a large trigger such as explosives or cornice fall to initiate this deep persistent slab problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":5,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/9c38d82c-c7c6-4918-b353-ac2dea12c19e"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"kr1j","text":"Recent strong westerly winds have formed stiff wind slabs in exposed areas on leeward aspects at and above treeline. A crust can be found up to treeline and on solar aspects in the alpine due to recent daytime warming and sun exposure.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":78,"length":7,"key":0}],"data":{}},{"key":"c1s3b","text":"A well consolidated mid-snowpack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern this week will likely promote a decreasing trend in reactivity for this avalanche problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":123,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}}}}
{"blocks":[{"key":"dpe3u","text":"South winds have drifted the recent 15-30 cm of snow (up to 50 cm in the Howson area) into slabs near and above tree line. These slabs sit on previously scoured surfaces from the arctic outflow winds or a weak layer of facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":6,"key":0}],"data":{}},{"key":"d5ldn","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"a69ph","text":"We dug a snowpit at treeline today at 2300m on an east aspect.  The top 50cm is made up mostly of several generations of previous wind slabs which should be approached with caution.  We were getting easy compression tests down 15cm, moderate compression tests down 40cm and hard compression tests down 46cm , all on different generations of wind slab.   The milder temperatures over the last 10 days has warmed up the snowpack and is becoming generally  a well settled snowpack.   The basal layer (November crust/ facet combo) which is about 40cm off the ground is still a concern as large depth hoar was pouring out of our pit wall.  A wind slab triggered near the surface has the potential to wake up the basal layer, producing a very large avalanche.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5g9a","text":"We dug another pit in a sheltered area on a north aspect at 2200m and found the Dec 30 surface hoar to be down 40cm and not as reactive as two weeks ago.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bhe96","text":"Recent strong west winds have formed stiff wind slabs in exposed areas on leeward aspects at and above treeline. A crust can be found up to treeline and on solar aspects in the alpine due to recent daytime warming and sun exposure.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":74,"length":7,"key":0}],"data":{}},{"key":"75t15","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern this week will likely promote a decreasing trend in reactivity for this avalanche problem. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":1},{"offset":350,"length":26,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"28kc2","text":"Rain has reached the top of the North Shore Mountains with wet snow falling above 1400 m. A surface crust has formed with cooler overnight temperatures. Dry snow may persist at the highest elevations, and has been heavily impacted by wind. The snowpack is strong and settled from earlier rain, and now 200-300 cm deep around the peaks of the North Shore mountains.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5p9at","text":"Strong to extreme winds have left a variety of wind-affected surfaces in alpine and open treeline areas. Windward slopes are scoured down to the January 20 crust and wind slabs have developed in more leeward terrain. Moist surface snow has been pressed into slabs and notable cornice growth has been observed. A surface crust has developed on all aspects below 1700 m, and direct solar (south-facing) slopes at treeline and above. Forecasted flurries and southerly winds will accumulate over these surfaces and load previously developed slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"406ac","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3nf8","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6ssf2","text":"20-40 cm of recent snow has consolidated into a slab above 1500 m. Within this recent snow are up to 3 crusts from warm temperatures and rain events during the storm. A surface crust has formed on all aspects below 1500 m and easterly aspects up to 2000 m. Additional flurries are dusting the crust at lower elevations and adding to the stubborn slab at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agf5f","text":"We have been tracking two layers over the past month: a layer of surface hoar buried 80-120 cm below the surface and faceted crystals and crusts near the bottom of the snowpack in certain parts of the region (especially western areas such as the Rossland Range and Boundary region). Both of these layers have shown signs of being less reactive over the past 14 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":65,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"f7cm5","text":"20-40 cm recent storm snow has settled into a slab and  been impacted by moderate to strong south-southwesterly winds in the alpine and upper treeline. Colder temperatures have dried out the upper snowpack and wind slabs have developed in open treeline and ridge features and into the alpine. Below 1600 m, the snowpack is well settled and a crust has formed with colder overnight temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"df2rt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"38vn9","text":"There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep that professionals are tracking at treeline in sheltered areas. The other is weak faceted grains and crusts near the bottom of the snowpack, this is the failure plan of recent reported deep persistent avalanches and is most likely to be triggered in shallow rocky start zones. There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bv1mb","text":"20-30 cm of recent snow and moderate southwest winds have formed wind slabs in exposed areas on leeward aspects at and above treeline. This combination has also contributed to cornice growth, increasing the need for vigilance with overhead hazard. A temperature crust formed Friday at least as high as 1600 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":96,"length":7,"key":0}],"data":{}},{"key":"19s6","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ddrrg","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in the region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"54d9d","text":"30 cm of very light new snow has fallen over the past several days. Initially this snow fell with very little wind and is obscuring widespread wind effect from last week. Lingering buried hard wind slabs may still be found. Prolonged cold temperatures last week have faceted the buried wind slabs and wind crust formed during the wind event. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8irq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bsfb","text":"Snow depths at White Pass average around 150 cm; deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack with sugary facets in the Wheaton Valley, although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1poit","text":"Regular snowfall over the past week brought about 30-50 cm of snow to the region. Moderate to strong, mainly south winds over the same period redistributed much of this snow in the alpine and upper treeline. Warm temperatures promoted slab formation with each snowfall as well as fairly quick transitions to settlement and bonding of the new snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37ioe","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80af9","text":"Surface snow recently became either moist or wet from warm temperatures, wet flurries, or rain up to at least 1500 metres. New melt-freeze crusts may be found on the surface below this elevation, particularly where more pronounced melt occurred.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"The layer of surface hoar that we have been tracking since late December, now buried 70 to 130 cm deep, is now considered dormant by professionals in the region. Below this old interface, the lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":13,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"llbo","text":"South winds have drifted the recent 20-35 cm of snow (up to 50 cm in the Howson area) into slabs near and above tree line on lee and cross-loaded terrain features. These slabs sit on previously scoured surfaces from the arctic outflow winds or a weak layer of facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":125,"length":3,"key":0},{"offset":133,"length":12,"key":1},{"offset":260,"length":6,"key":2}],"data":{}},{"key":"fv57g","text":"A layer of surface hoar now buried up to 1 m below the surface may also be found at treeline. A deep crust/facet layer lurks at the base of the snowpack. A couple of large avalanches are suspected to have run on this interface in the last few weeks. These larger avalanches have been specific to lee and cross-loaded features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":3},{"offset":101,"length":11,"key":4}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"4":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"1poit","text":"Regular snowfall over the past week brought about 30-50 cm of snow to the region. Moderate to strong southerly winds and warm temperatures have promoted slab development at treeline and in the alpine. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37ioe","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80af9","text":"Recent rain at lower elevations means that the surface may be either a melt-freeze crust, or wet snow below about 1500 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"There is a weak layer of surface hoar now buried 70 to 130 cm. This layer has produced very few recent avalanches in the region, though it could still be triggered in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"54d9d","text":"About 30 cm of new snow accumulated in the region during the storm on Saturday night and Sunday, with snow totals from Thursday to Sunday closer to 60-70 cm. A dramatic uptick in south winds on Monday morning likely led to much of this snow forming storm slabs (or wind slabs) at all elevations and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c92vi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s2gl","text":"This widespread new storm slab overlies multiple layers of overlapping recent wind slab and old hard wind slab formations that existed previously in all but the most sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8irq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8bsfb","text":"Snow depths at White Pass average around 150 cm; deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, although we don't yet have observations to confirm this.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f7cm5","text":"30-50 cm of recent snow sits over the January 20 crust up to 2000 m. At upper elevations, this snow has been redistributed by recent strong southwest winds. Below 1600 m, overnight snowfall rests on a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4kigq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"86mp7","text":"There have been two layers of concern in the northern half of the region (e.g. Duffey, Hurley). One is a weak layer of surface hoar buried about 100 cm deep in sheltered areas around treeline. The other is weak basal facet crust complex. The latter has been the failure plane in recently reported deep persistent avalanches and is most likely to be triggered in shallow rocky start zones. There are currently no concerns about deep weak layers in the south of the region (e.g. Coquihalla).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":217,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"fvhr7","text":"Strong to extreme winds have left a variety of wind-affected surfaces in alpine and open treeline areas. Windward slopes are scoured down to the January 20 crust. On leeward terrain, moist surface snow has been pressed into slabs over the crust, and notable cornice growth has been observed at ridgetops. Overnight snowfall sits over a crust below 1700 m and on south facing slopes treeline and above.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ct35t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkocf","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2gbt7","text":"Southwest winds have drifted 20-30 cm of recent snow into slabs on lee and cross-loaded terrain features at upper elevations. This combination has also contributed to cornice growth, increasing the need for vigilance with overhead hazard. A temperature crust formed Friday at least as high as 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":67,"length":3,"key":0},{"offset":75,"length":12,"key":1}],"data":{}},{"key":"4ff0k","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69vh7","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in the region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"2n6l0","text":"Regular snowfall over the past week brought about 40-80 cm of snow to the region, with the greatest accumulations in Monashees. Moderate to strong southerly winds and warm temperatures have promoted slab development at treeline and in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6rhk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp1r7","text":"Recent rain at lower elevations means that the surface may be either a melt-freeze crust, or wet snow below about 1500 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"There is a weak layer of surface hoar that is now buried 90 to 170 cm. This layer is suspected to have produced sporadic recent large avalanches in the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"c9cfe","text":"Recent snow has settled with warm temperatures and been blown around by wind from various directions, resulting in wind slabs on all aspects at and above treeline. These are expected to be on a positive stabilizing trend under the current pattern of mild weather, but new snow and wind should shake things up on Wednesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c55ab","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6aqbg","text":"A weak layer of surface hoar buried in late December remains a concern but seems to be gaining strength. This layer has been found across much of the North Rockies region, but has seemed to be more problematic in particular areas, such as around McBride and the McGregors/Torpy. It seems to be most readily found in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3up5","text":"Recent strong west and southwest winds have formed stiff wind slabs on lee and cross-loaded terrain features at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":3,"key":0},{"offset":79,"length":12,"key":1}],"data":{}},{"key":"131p7","text":"A crust can be found up to treeline and on solar aspects in the alpine due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c4lp","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern this week will likely promote a decreasing trend in reactivity for this avalanche problem. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":2},{"offset":350,"length":26,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"49fa","text":"The alpine has widespread wind slabs that carry into the tree line (specific to ridges).  The top 50cm of the snowpack is made up mostly of buried wind slabs that are still producing sheers.  These will settle out with time but presently, still a concern for triggering them in the alpine and along ridges and lee features. This can cause the basal weakness to wake up and produce large avalanches. The weak temperature gradient within the snowpack is having a positive effect on the snowpack over the long haul.  The basal facets/crust combo 40cm off the ground will be on our radar for a long time","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1eld7","text":"20-40 cm of recent snow has consolidated into a slab above 1500 m. Within this recent snow are several crusts from warm temperatures and rain events during the storm. Overnight flurries are dusting the surface crust at lower elevations and adding to the stubborn slab at higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fubic","text":"We have been tracking two layers over the past month: a layer of surface hoar buried 80-120 cm below the surface and faceted crystals and crusts near the bottom of the snowpack in certain parts of the region (especially western areas such as the Rossland Range and Boundary region). Both of these layers have been trending less reactive over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":65,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"7e8e3","text":"The past week brought around 15-30 cm of snow to the region, with highest amounts in the south and west of the region. Strong southwest winds and warm temperatures have promoted slab development. Below about 1500 m the snow surface may exist as either a melt-freeze crust, or wet snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9lieb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flo29","text":"A weak layer of surface hoar can be found about 70 cm deep around Golden and Kimberley, 30 cm deep around Invermere, and 100 cm deep along Kootenay Lake.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":12,"key":0}],"data":{}},{"key":"7htpi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgv42","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"6v888","text":"Regular snowfall over the past week brought about 40-80 cm of snow to the region, with the greatest accumulations in the Monashees. Moderate to strong southerly winds and warm temperatures have promoted slab development in the alpine and at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dgq2p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9c8gg","text":"Recent rain at lower elevations means that the surface may be either a melt-freeze crust, or wet snow below about 1500 m","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6kdr1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1atrc","text":"There is a weak layer of surface hoar that is down about 90-130 cm deep in the Selkirks and 120-160 cm deep in the Monashees and exists primarily at treeline and below treeline. This layer has not produced any recent avalanches in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"ac99k","text":"New snow overnight and through the day above 1200 m sits on a rain crust up to 1400 m. Dry snow at higher elevations has been heavily wind affected by strong overnight winds. The snowpack is strong and settled from earlier rain, and now 200-300 cm deep around the peaks of the north shore mountains. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1poit","text":"Wednesday is set to bring 10-20 cm of snow with strong to extreme southwest winds. Fresh storm slabs will be forming throughout the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37ioe","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80af9","text":"Recent rain at lower elevations means that the new snow may fall on either a melt-freeze crust, or wet snow below about 1500 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"There is a weak layer of surface hoar now buried 70 to 130 cm. This layer has produced very few recent avalanches in the region, though it could still be triggered in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e9k0c","text":"Southwest winds continue to drift 20-30 cm of recent snow into slabs on lee and cross-loaded terrain features at upper elevations. This combination has also contributed to cornice growth, increasing the need for vigilance with overhead hazard. A temperature crust formed Friday at least as high as 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":3,"key":0},{"offset":80,"length":12,"key":1}],"data":{}},{"key":"9gfi6","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7gtuj","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in the region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"1eld7","text":"At upper elevations, recent snow has settled into a storm slab amid mild temperatures. Around treeline, the upper snowpack contains several crusts from recent warm temperatures and rain events, some observed as high as 2100 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42mok","text":"A layer of surface hoar is buried 80-120 cm below the surface in sheltered areas around treeline. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area. Both of these layers have been trending less reactive over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":109,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"ae8tn","text":"30-60 cm sits over the Jan 20 crust below 2000 m. At upper elevations, the recent snow has been redistributed by strong southwest winds.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b953o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a0p5o","text":"Two weak layer of note are isolated to the north half of the region, including the Duffey and Hurley areas. 1) A surface hoar layer is buried 1 m deep in sheltered areas around treeline. 2) A weak basal facet crust complex has been the failure plane in ongoing reports of deep persistent avalanches.The south of the region, including the Coquihalla and Manning areas, have no concerns about deep weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":203,"length":19,"key":0}],"data":{}},{"key":"fteo2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"7e8e3","text":"About 5 cm of new snow on Wednesday will sit on the previous 15-30 cm of recent storm snow. Strong southwest winds and warm temperatures on Wednesday will continue to promote wind slab development. Below about 1500 m the snow surface may exist as either a melt-freeze crust, or wet snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9lieb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flo29","text":"A weak layer of surface hoar can be found about 70 cm deep around Golden and Kimberley, 30 cm deep around Invermere, and 100 cm deep along Kootenay Lake.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":12,"key":0}],"data":{}},{"key":"7htpi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bgv42","text":"As usual for the Purcells, the base of the snowpack contains basal facets and it remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall or explosives.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":61,"length":12,"key":1},{"offset":135,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"1b2br","text":"Today, we tagged along by helicopter with the crew that does monitoring of the snowpack for spring melt.  To the East of highway 40, the bottom half of the snowpack is mostly facets with the height of snow around 100cm.  The last week of warmer weather is having a slow effect on the snowpack with weaker temperature gradients and starting to see some of those mid-pack facets rounding.  In general, we have a well settled snowpack with several generations of wind slabs in the top 50 cm in the alpine.  All of this is still sitting on the November facet/crust combo. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"c55ub","text":"A variety of wind-affected surfaces exist in alpine and open treeline areas. Exposed windward slopes are scoured down to the January 20 crust. On leeward terrain, surface snow has been pressed into slabs over the crust, and notable cornice growth has been observed at ridgetops. Below treeline, fluctuating freezing levels have left a combination of moist snow and crusts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"73nbn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e94ej","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0d4v","text":"Continuing west and southwest winds have formed stiff wind slabs on lee and cross-loaded terrain features at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":68,"length":3,"key":0},{"offset":76,"length":12,"key":1}],"data":{}},{"key":"12g7r","text":"A crust can be found up to treeline and on solar aspects in the alpine due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7s4l4","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern this week will likely promote a decreasing trend in reactivity for this avalanche problem. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":2},{"offset":350,"length":26,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"i0cb","text":"35-45 cm of new snow will fall over the day above 1000 m. Dry snow at upper elevations will be redistributed by strong southwest wind. A rain crust up to 1400 m sits 30-60 cm below the surface, elevation dependent. The snowpack is strong and settled from earlier rain, and now 200-300 cm deep around the peaks of the north shore mountains. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6v888","text":"Wednesday is set to bring 10-15 cm of new snow and strong southwest winds. Fresh storm slabs will be forming throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dgq2p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9c8gg","text":"Recent rain at lower elevations means that the new snow may fall on either a melt-freeze crust, or wet snow below about 1500 m","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6kdr1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1atrc","text":"There is a weak layer of surface hoar that is down about 90-130 cm deep in the Selkirks and 120-160 cm deep in the Monashees and exists primarily at treeline and below treeline. This layer has not produced any recent avalanches in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"2n6l0","text":"Wednesday is set to bring 10-15 cm of new snow with moderate to strong southwest winds. Fresh storm slabs will likely be forming throughout the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6rhk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp1r7","text":"Recent rain at lower elevations means that the new snow may fall on either a melt-freeze crust, or wet snow below about 1500 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"There is a weak layer of surface hoar that is now buried 90 to 170 cm. This layer is suspected to have produced sporadic recent large avalanches in the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"1poit","text":"The past week has brought around 30-60 cm of new snow to the Cariboos with strong southwest winds and warm temperatures. Wind slabs have likely been forming in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3efjn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80af9","text":"Recent rain at lower elevations means that the snow surface is likely either moist or wet snow below about 1300 m in many areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"There is a weak layer of surface hoar now buried 70 to 130 cm. This layer has produced very few recent avalanches in the region, though it could still be triggered in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e9k0c","text":"Southwest winds continue to drift 20-40 cm of recent snow into slabs on lee and cross-loaded terrain features at upper elevations. This combination has also contributed to cornice growth, increasing the need for vigilance with overhead hazard. The recent snow covers a temperature crust which formed Friday up to 1600 m and on higher elevation solar features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":3,"key":0},{"offset":80,"length":12,"key":1}],"data":{}},{"key":"9gfi6","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7gtuj","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in the region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e0d4v","text":"Continuing west and southwest winds have formed stiff wind slabs on lee and cross-loaded terrain features at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":68,"length":3,"key":0},{"offset":76,"length":12,"key":1}],"data":{}},{"key":"12g7r","text":"A crust can be found up to treeline and on solar aspects in the alpine due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7s4l4","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern early this week likely promoted a decreasing trend in reactivity for this avalanche problem. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":2},{"offset":352,"length":26,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#cross-loading","target":"_self","url":"https://www.avalanche.ca/glossary#cross-loading"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"i0cb","text":"30-40 cm of new snow above 1100 m. Drier snow at upper elevations has been redistributed by strong southwest wind. A rain crust up to 1400 m sits 30-60 cm below the surface, elevation dependent. The snowpack is strong and settled from earlier rain, and now 200-300 cm deep around the peaks of the north shore mountains. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6v888","text":"Continuous stormy weather over the past week has brought around 40-90 cm of snow to the region. Moderate to strong southwest winds and warm temperatures have likely been promoting slab development within the new snow at alpine and treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dgq2p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9c8gg","text":"Recent storms have brought rain to lower elevations, so the snow surface is likely moist or wet below about 1300 m in most areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6kdr1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1atrc","text":"There is a weak layer of surface hoar that is down about 90-130 cm deep in the Selkirks and 120-160 cm deep in the Monashees and exists primarily at treeline and below treeline. This layer has not produced any recent avalanches in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"8ma91","text":"20-30 cm of new snow has been highly wind affected in the alpine and open areas at treeline. Suspect wind slabs in leeward terrain and cornice growth at ridgetops. Below treeline, fluctuating freezing levels have left a combination of moist and crusty surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b25te","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"83fa6","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"97pr0","text":"Recent snow and wind have formed soft slabs in terrain features lee to northwest through southwest winds. Around treeline, the upper snowpack contains several crusts from recent warm temperatures and rain events, some observed as high as 2100 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":64,"length":3,"key":0}],"data":{}},{"key":"78nrh","text":"A layer of surface hoar is buried 80-120 cm below the surface in sheltered areas around treeline. It has not seen any avalanche activity recently. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area. The few recent avalanches associated with this problem have been triggered either by very large loads or from shallow, rocky snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":1},{"offset":158,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=lee#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"ae8tn","text":"30-60 cm sits over the Jan 20 crust below 2000 m. At upper elevations, the recent snow has been redistributed into wind slabs by strong winds.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b953o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a0p5o","text":"Two weak layer of note are isolated to the north half of the region, including the Duffey and Hurley areas. 1) A surface hoar layer is buried 1 m deep in sheltered areas around treeline. 2) A weak basal facet crust complex has been the failure plane in ongoing reports of deep persistent avalanches.The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deep weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":203,"length":19,"key":0}],"data":{}},{"key":"fteo2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"fodgj","text":"Another storm is currently rolling through White Pass / Klondike Highway country with strong winds and snow. About 20 cm of new snow has fallen and there was previous fresh snow on the ground to blow around.  In otherwords much of this snow is forming wind slabs or storm slabs at all elevations and aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8at9m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"beskv","text":"These slabs cover multiple layers of overlapping recent wind slab and old hard wind slab formations that existed previously in all but the most sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7q4ei","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bi7pu","text":"Snow depths at White Pass increased from around 100cm to 160 cm during the past week. Deeper locations (higher terrain west of the highway) have as much as 200 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2n6l0","text":"Continuous stormy weather has brought 50-90 cm of new snow to the region over the past week or so. This has been accompanied by strong southwest winds and warm temperatures, which will be promoting slab development in the alpine and at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6rhk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bp1r7","text":"The storms have brought rain at lower elevations, so the snow surface is likely moist or wet below about 1300 m in most areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"There is a weak layer of surface hoar that is now buried 90 to 170 cm. This layer is suspected to have produced sporadic recent large avalanches in the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":25,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"1b2br","text":"Wind last night caused another round of rapid loading in the alpine and treeline. Things generally look scoured and worked by the wind. We are in need of fresh snow! The new windslabs are concerning as they are poorly bonded for now and stiff in character. The other concern is still the deep layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ao37t","text":"The upper snowpack reflects the seemingly never-ending pattern of snow & wind; there are widespread storm and wind slabs out there. But there's also lots of places with right-side-up powder that gradually blends into increasingly harder and stronger snow with distance from the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bfe0o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7eiuk","text":"In the mid-pack there's a layer of weaker surface hoar buried in late December remains a concern but is gaining strength. This layer is found across much of the North Rockies region but our focus is around McBride and the McGregors/Torpy. It's a classic surface hoar layer that most prominent in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6vhoj","text":"30-50 cm of heavy new snow in the alpine is being ravaged by extreme wind. We suspect scoured windward aspects, hard slab in lee features and rapid cornice growth. Below 1800 m, the snowpack is becoming saturated by heavy rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39fjd","text":"In the north half of the region (ie. Goldbridge/Whitecap/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of deep persistent avalanches. Significant new loads from snowfall and rain will stress the deep basal weakness.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":19,"key":0}],"data":{}},{"key":"35j3j","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deep instabilities.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"ds7ve","text":"The upper snowpack is becoming saturated to mountaintop with heavy rainfall. This will initially mean a loss of cohesion and widespread loose wet avalanche activity. Once refrozen by the following cooling trend, the snowpack will be one burly block with little avalanche potential, 150-250 cm deep around the peaks of the north shore mountains. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bb9jl","text":"Southwesterly winds have scoured exposed areas at treeline and above and developed stiff windslabs previously wind affected surfaces. With strong winds, slabs have formed further down into lee terrain features and cornices have grown. A crust can be found up to 1700 m and higher on solar aspects in the alpine due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ec9","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. Although inherently weak, the benign weather pattern early this week likely promoted a decreasing trend in reactivity for this avalanche problem. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":0},{"offset":352,"length":26,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"3b3e1","text":"Widespread wind affect at all elevations. The upper snow pack is a series of windslabs stacked on top of each other. They feel as though they are weakening (ie softening) with the recent flatline weather pattern. In a pit today, there was 135cm of snow, with the lower 30cm consisting of facets & depth hoar. Tests were inconsistent with the deep persistent layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6v888","text":"30-45 cm of new snow is expected to fall at higher elevations in the region by end of day on Friday. The new snow will cover wind affected recent snow at alpine and upper treeline elevations while rain saturates the surface below about 1700 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6kdr1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1atrc","text":"The mid and lower snowpack are generally well settled and strong. There is a weak layer of surface hoar that is buried about 90-130 cm deep in the Selkirks and 120-160 cm deep in the Monashees and exists primarily at treeline and below treeline. This layer has not produced any recent avalanches in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":91,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e9k0c","text":"Southwest winds have impacted 20-40 cm recent snow producing slabs in the alpine and exposed tree line areas and building reactive cornices. The recent snow covers a temperature crust which formed Friday up to 1600 m and higher elevations solar features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9gfi6","text":"The stout upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity. The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although inherently weak, this basal layer has not been an active avalanche problem in the region since December.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":302,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"bdot5","text":"50-90 cm of heavy new snow in the alpine is being ravaged by extreme wind. We suspect scoured windward aspects, hard slab in lee features and rapid cornice growth. Below 1800 m, the snowpack is becoming saturated by heavy rain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1idn8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aujsj","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2n6l0","text":"35-45 cm of new snow is expected to fall at higher elevations in the region by end of day on Friday. The new snow will cover wind affected recent snow at alpine and upper treeline elevations while rain saturates the surface below about 1700 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"49djc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7rap1","text":"The mid and lower snowpack is generally well settled and strong, however, there is a weak layer of surface hoar currently buried 90 to 170 cm deep. This layer is suspected to have produced a few sporadic large avalanches recently reported in the north of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"1poit","text":"20-35 cm of new snow is expected to fall at higher elevations in the region by end of day on Friday. The new snow will cover wind affected recent snow at alpine and upper treeline elevations while rain saturates the surface below about 1700 metres.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dkrep","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3flf2","text":"The mid and lower snowpack are generally well settled and strong, however there is a weak layer of surface hoar currently buried 70 to 130 cm deep. This layer has produced very few recent avalanches in the region, though it could still be triggered in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"87l2p","text":"Widespread slab development occurred with 10-25 cm storm snow accumulating with strong winds. Below the new snow, 25-70 cm of wind affected snow rests on mix of previously scoured surfaces or a weak layer of facets that developed in the mid-January arctic outflow event. At treeline, a suspect layer of surface hoar is found 1 m below the surface. Below treeline the new snow rests on a melt-freeze crust and a well settled snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":208,"length":6,"key":0}],"data":{}},{"key":"4hnf6","text":"A deep crust/facet layer lurks at the base of the snowpack and was responsible for couple of large avalanches earlier in January. While it is promising that last week's snowfall did not trigger avalanches on this deep persistent weak layer, there is lingering uncertainty as to whether this week's weather could meet the threshold. Triggering this layer is most likely from shallow, rocky start zones or with a large load such as cornice failure or rapid loading from snow and wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"e6r90","text":"15-30 cm of heavy new snow in the alpine is being loaded into lee features by strong southwest wind. Below 1800 m, the upper snowpack is becoming soaked by rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area. The few recent avalanches associated with this problem have been triggered either by very large loads or from shallow, rocky snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":171,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"163dk","text":"20-35 cm of snow fell at higher elevations on Friday. By Saturday afternoon, an additional 20-35 cm is forecast to accumulate. Forecast strong winds and warm temperatures will speed up slab formation as new snow accumulates as well as contribute to rapid cornice growth. A large, natural avalanche cycle is expected. Rain is forecast to saturate snow surfaces up to 1700 m overnight, triggering wet loose avalanches. The hazard from wet loose avalanches will decrease as temperatures cool throughout the day on Saturday. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8k1ao","text":"The mid and lower snowpack are generally well settled and strong, however there is a weak layer of surface hoar currently buried 70 to 130 cm deep. This layer has recently shown signs of instability in the region. New snow, rain, and warming will collectively add considerable strain to this weak layer. The potential for this persistent slab problem to fail naturally and produce large, destructive avalanches will increase during the storm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"3eoue","text":"By Saturday morning, storm totals are forecast to reach 80-100 cm with another 10-15 cm falling though the day. Forecast extreme winds and strong temperatures will speed up slab formation as new snow accumulates as well as contribute to rapid cornice growth.  At lower elevations new snow will overly a crust from the preceding rain as freezing levels drop through the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"krj0","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range. Loading from new snow and rain will further stress these buried weak layers where they exist.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e6r90","text":"10-25 cm of new snow is falling on a crust suspected to exist below 1800 m (where it rained Friday). In the alpine, storm totals of 30-50 cm are being ravaged by strong to extreme winds. Below 1400 m, the snowpack continues to soak up rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area. The few recent avalanches associated with this problem have been triggered either by very large loads or from shallow, rocky snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":171,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"50cj7","text":"20-35 cm of snow fell at higher elevations on Friday. By Saturday afternoon, an additional 25-40 cm is expected to accumulate above 1800 m. Forecast strong winds and warm temperatures will speed up slab formation as new snow accumulates as well as contribute to rapid cornice growth. A large, natural avalanche cycle is expected. Rain is forecast to saturate snow surfaces up to 1800 meters, triggering wet loose avalanches. The hazard from wet loose avalanches will decrease as temperatures cool throughout the day on Saturday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f4j89","text":"The mid and lower snowpack is generally well settled and strong, however, there is a weak layer of surface hoar currently buried 90 to 170 cm deep. This layer has recently shown signs of instability in the region. New snow, rain, and warming will collectively add considerable strain to this weak layer. The potential for this persistent slab problem to fail naturally and produce large, destructive avalanches will increase during the storm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"9ot9p","text":"Here's a snowpack description as of Friday Jan 31 before the forecast warm wet \"atmospheric river\" (previously know as a pineapple express) storm arrives. This description will obviously no longer apply once hit by soaking rain at lower elevations .... The upper snowpack is right-side-up meaning light dry & fluffy (aka powder) at the surface which gradually blends into increasingly harder and stronger snow with depth.The weeks-long weather pattern of snow & wind also means there are widespread storm and wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8j8lj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4g1m1","text":"In the mid-pack there's a layer of weaker surface hoar buried in late December that remains a concern but is gaining strength. This layer is found across much of the North Rockies region but our focus is around McBride and the McGregors/Torpy. It's a classic surface hoar layer that's most prominent in sheltered treeline features 50 to 150 cm below the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"87l2p","text":"Widespread  wind and storm slabs where up to 50 to 70 cm storm snow accumulated with strong winds. Below the new snow is a weak layer of facets that developed in the mid-January arctic outflow event. At treeline, a suspect layer of surface hoar may be found 1 m below the surface. Below treeline the new snow rests on a melt-freeze crust and a well settled snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":137,"length":6,"key":0}],"data":{}},{"key":"7mhh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4hnf6","text":"A deep crust/facet layer lurks at the base of the snowpack, especially in shallower (eastern) areas that was reactive earlier in January. While it is promising that last week's snowfall did not trigger avalanches on this deep persistent weak layer, there is a lingering uncertainty  whether this week's weather could cross a threshold. Triggering this layer is most likely in shallow, rocky start zones or with a large load such as cornice failure or rapid loading from snow and wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"9clr3","text":"Steady SW winds have kept the windslabs building. They are wide spread in the alpine on easterly aspects and extend well into treeline. Even open areas at valley bottom have a wind slab feel to them. Lots of crossloading in gullies at the moment. Given how these new slabs are formed from old snow, we are expecting a poor initial bond with any new snow. The midpack is still supportive at all elevations and travel is reasonable while we wait for the new snow to arrive. The ground layers remain the question mark. They may not tolerate a heavy load.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e9k0c","text":"Recent storm snow combined with southwest winds have producing slabs in the alpine and exposed tree line areas. Cornices have been noted along ridgelines. The recent snow covers a temperature crust which formed up to around 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9gfi6","text":"The upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity. The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although this basal layer has not been an active avalanche problem in the region since December, if there's anything that will wake it up again, it's a warm, moist storm, such as the one forecast for Saturday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":296,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"bb9jl","text":"New snow combined with strong southwesterly winds will continue to build slabs in exposed areas. Cornices have been noted in many areas. A crust can be found up to around 1700 m due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ec9","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. While there has been little in the way of avalanche activity on this layer recently, the warm wet storm impacting this region has the potential to wake this layer up again. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":0},{"offset":379,"length":26,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5ft9c","text":"Storm slabs may exist in the high alpine and where snow accumulated after freezing levels peaked and began to drop toward the tail end of the storm. It will likely be dense, wind pressed and well adhered to old surfaces. At lower elevations, the saturated snowpack will start to refreeze from the surface down with dropping temperatures and clearing skies Saturday morning. A dusting of new snow may sit on top of the crust. Once refrozen, the snowpack will resemble one burly block with little avalanche potential, 150-250 cm deep around the peaks of the north shore mountains. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aa9hn","text":"20-35 cm of snow fell at higher elevations on Friday. By Saturday afternoon, an additional 35-50 cm is expected to accumulate. Forecast strong winds and warm temperatures will speed up slab formation as new snow accumulates as well as contribute to rapid cornice growth. A large, natural avalanche cycle is expected. Rain is forecast to saturate snow surfaces up to 1900 m overnight, triggering wet loose avalanches. The hazard from wet loose avalanches will decrease as temperatures cool throughout the day on Saturday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6osh","text":"The mid and lower snowpack is generally well settled and strong, however, there is a weak layer of surface hoar currently buried 90 to 170 cm deep. This layer has recently shown signs of instability in the north of the region. New snow, rain, and warming will collectively add considerable strain to this weak layer. The potential for this persistent slab problem to fail naturally and produce large, destructive avalanches will increase during the storm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4rsal","text":"By Saturday morning, storm totals are forecast to reach 60-80 cm with another 10-20 cm falling though the day. Forecast extreme winds and strong temperatures will speed up slab formation as new snow accumulates as well as contribute to rapid cornice growth.  At lower elevations new snow will overly a crust from the preceding rain as freezing levels drop through the day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north half of the region (ie. Goldbridge/Whitecap/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of deep persistent avalanches. The significant new loads from snowfall and rain will stress the deep basal weakness.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deep instabilities.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9tnpg","text":"50-70 cm recent storm snow has been heavily impacted by strong southwesterly winds forming reactive storm slabs. This new snow overlies a variety of wind affected surfaces in exposed treeline and alpine areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39ura","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dpldi","text":"Snowfall from the second half of January over lies a thin layer of facets, down 70-140 cm, that formed during the mid-January outflow event. Recent avalanche activity in the Bear Pass area and snowpack tests results have indicated that this layer is still a concern (check out this MIN report). Below tree line, a recent warm-up moistened snow surfaces up to 900 m, forming a temperature crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":282,"length":10,"key":0}],"data":{}},{"key":"1oj9l","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bj7sb","text":"A crust from mid November lurks at the base of the snowpack. The last reported avalanche on this layer was Jan 17th. While it is promising that last week's significant snowfall did not trigger avalanches on this deep persistent weak layer, there is lingering uncertainty as to whether this week's weather could meet the threshold. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":5,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/7ce732e1-d515-49e3-88ed-81e8a38fb13b"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"5ft9c","text":"Storm slabs may exist in the high alpine and where snow accumulated toward the tail end of the storm. They will likely be well settled, wind pressed and well adhered to old surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffoic","text":"At lower elevations, the snowpack is refreezing in the cool temperatures. A dusting of new snow may sit on top of the crust. Snowpack depths range from almost nothing below 1000 m to 150-250 cm deep around the peaks of the north shore mountains (1400 m).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e6r90","text":"Above 2000 m, storm totals of 10-30 cm have been blown into wind slabs by strong southwest, followed by northwest, winds. Below, up to 10 cm of new snow may sit on a thick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area. The few recent avalanches associated with this problem have been triggered either by very large loads or from shallow, rocky snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":171,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"7tmfc","text":"Snow accumulation varied widely across the region, with higher amounts falling in the eastern half. Anywhere from 20-60+ cm of storm snow has accumulated at upper elevations (generally above 1900 m). Strong southwest winds have drifted the snow into deeper, stiffer slabs in wind-exposed areas and have rapidly loaded cornices. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ku7k","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist. A layer surface hoar currently buried 90 to 170 cm deep from late December and a facet/crust layer from November near the ground. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":0},{"offset":217,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"bb9jl","text":"New snow combined with strong southwesterly winds will continue to build slabs in exposed areas. Cornices have been noted in many areas. A crust can be found up to around 1700 m due to previous warming and sun exposure. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"320s3","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a6ec9","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. While there has been little in the way of avalanche activity on this layer recently, there is potential for it to show up an avalanche reports from the warm wet storm over the weekend. Areas that are most likely to harbor this problem are shallow, rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":0},{"offset":391,"length":26,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"66r20","text":"30-60 cm of storm snow has accumulated at upper elevations (generally above 1800 m). Higher snow totals fell in the southeastern parts of the region. Moderate south winds with strong gusts have drifted the snow into deeper, stiffer slabs in wind-exposed areas and have rapidly loaded cornices. During a warming event Saturday night, rain saturated snow surfaces up to around 1800 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4alfb","text":"The mid and lower snowpack are generally well settled and strong, however there is a weak layer of surface hoar currently buried 70 to 130 cm deep. This layer has recently shown signs of instability in the region. New snow, rain, and warming have added considerable strain to this weak layer, and it may require more time to adjust to the recent load.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"93kmr","text":"30-60 cm of storm snow has accumulated at upper elevations (generally above 1900 m). Higher snow totals fell in the northeastern parts of the region. Extreme southwest winds have drifted the snow into deeper, stiffer slabs in wind-exposed areas and have rapidly loaded cornices. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ethtn","text":"The mid and lower snowpack is generally well settled and strong. In the north of the region, a weak layer of surface hoar buried 90 to 170 cm deep may persist in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4rsal","text":"Above 1800 m, storm totals for the north of the region are in the range of 30-50 cm, while the Coquihalla received around 100 cm and the Manning Park area received around 35 cm. Extreme southwest wind during the storm has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north half of the region (ie. Goldbridge/Whitecap/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of deep persistent avalanches. With the recent new loads, we are watching these layers closely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deep instabilities.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e9k0c","text":"Recent storm snow combined with southwest winds have producing slabs in the alpine and exposed tree line areas. Cornices have been noted along ridgelines. The recent snow covers a temperature crust which formed up to around 1600 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5h0f1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9gfi6","text":"The upper snowpack continues to settle in mild temperatures. Several crust layers exist in the mid-pack as a result of previous warming and rain events. These have not been identified as bed surfaces or failure planes in recent avalanche activity. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54tqn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"515d4","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. Although this basal layer has not been an active avalanche problem in the region since December, we may see it show up in avalanche activity from Saturday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"Above 1900 m, storm totals are in the range of 50-70 cm. Extreme southwest wind during the storm has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack continue to be a concern in inland parts of the region such as the Spearhead Range. With the recent new loads, we are watching these layers closely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6i8jb","text":"Its been another varied and somewhat exciting storm. Freezing levels were quite high which made for rain soaked snow in the Bow Valley and Hwy 40 corridors. This will refreeze tonight making for a new crust below 2100m. Where we had snow and calm winds a mild storm slab exists. In wind prone areas, there in another new windslab for our collection. The question is the Feb 1st interface. Its too soon to tell for sure, but expect a poor bond. The weak bottom layers are more touchy given the new load and/or rain weakened midpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"87l2p","text":"Widespread wind and storm slabs now exist in areas where up to 50 to 70 cm storm snow accumulated with strong winds. Below the new snow is a weak layer of facets that developed in the mid-January arctic outflow event. At treeline, a suspect layer of surface hoar may be found 1 m below the surface. Below treeline the new snow rests on a melt-freeze crust and a well settled snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":155,"length":6,"key":0}],"data":{}},{"key":"7mhh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4hnf6","text":"A deep crust/facet layer lurks at the base of the snowpack, especially in shallower (eastern) areas that was reactive earlier in January. While it is promising that last week's snowfall did not trigger avalanches on this deep persistent weak layer, there is a lingering uncertainty whether avalanches in surface layers may step down to it. Triggering this layer is most likely in shallow, rocky start zones or with a large load such as cornice failure or avalanche.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":7,"length":11,"key":1},{"offset":323,"length":9,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}
{"blocks":[{"key":"4rsal","text":"Above 1800 m, weekend storm totals for the north of the region are in the range of 30-50 cm, while the Coquihalla received around 100 cm and the Manning Park area received around 35 cm. Extreme southwest wind during the storm has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Whitecap/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deep instabilities.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a3fje","text":"There have been substantial changes to the snowpack over the past few days. 40-60 cm of snow fell during the weekend storm above 1700 m. Higher snow totals fell in the southeastern parts of the region. Strong winds originating from the southwest and shifting to the northwest have created a tricky loading pattern near and above tree line and have elevated concern for cornice triggers. These winds have drifted the snow into stiff slabs on leeward terrain features that remain prone to human triggering. Check out this MIN report for a helpful illustration of these conditions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":441,"length":7,"key":0},{"offset":520,"length":10,"key":1}],"data":{}},{"key":"dfnf9","text":"During a warming event Saturday night, rain saturated snow surfaces up to around 1700 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"mso","text":"The mid and lower snowpack are generally well settled and strong, however there is a weak layer of surface hoar currently buried 70 to 150 cm deep. This layer has recently shown signs of instability in the region. New snow, rain, and warming have added considerable strain to this weak layer, and it may require more time to adjust to the recent load.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map/forecasts/north-columbia?panel=mountain-information-network-submissions/230cdcf9-524e-4bde-b0da-18dce8df08c9"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"5ft9c","text":"10 cm of new snow sits over a thick rain crust. The snowpack is refreezing into a solid block in the cool temperatures. Snowpack depths suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3h2kc","text":"There have been substantial changes to the snowpack over the past few days from wind, snow, and warming. Snow accumulation varied widely across the region, with higher amounts falling in the eastern half. Anywhere from 30-70+ cm of storm snow has accumulated at upper elevations (generally above 1900 m). Strong winds originating from the southwest and shifting to the northwest have created a tricky loading pattern above tree line and have elevated concern for cornice triggers. These winds drifted the snow into deeper, stiffer slabs on leeward terrain features that may be possible to human trigger. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":540,"length":7,"key":0}],"data":{}},{"key":"b7sh7","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist. A layer surface hoar currently buried 100 to 180 cm deep from late December and a facet/crust layer from November near the ground. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":1},{"offset":218,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e6r90","text":"Strong southwest wind during the storm has scoured windward aspects and formed loaded pockets in alpine lees. As high as 2000 m, the upper snowpack contains a series of crusts from recent warming and rain events.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak basal facet/crust layers are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":171,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"7kigj","text":"The rain over the week end penetrated the snow pack up to about 2100m and created a crust on the surface when the temperature dropped.Above 2100m, there was up to 25cm of new snow. Extensive winds were associated with the storm and has left widespread wind slabs in the alpine and into tree line. Below 1700m, the snow pack was still wet below the surface crust.  Please stay tuned this week as we get a handle on how this recent storm is bonding and how the snow is reacting.  Right now, things are reactive out there and the alpine and tree line should be approached with caution.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e9k0c","text":"Up to 50 cm of recent storm snow combined with strong to extreme southwest winds have likely formed wind slabs in the alpine and exposed tree line areas above about 2000 metres. Below this elevation, a solid new melt-freeze crust now caps the snowpack. In many areas this capping crust may extend to mountaintops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"54tqn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"515d4","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. This basal layer has not been an active avalanche problem in the region since December and would likely require a sustained warming event before re-emerging as a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southwest wind during the storm has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Below 1900 m, recent snow overlies a thick crust and tapers quickly with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"elbsh","text":"There have been substantial changes to the snowpack over the past few days. 40-80 cm of snow fell during the weekend storm above 1900 m. Higher snow totals fell in the northeastern parts of the region. Extreme winds originating from the southwest and shifting to the northwest have created a tricky loading pattern in the alpine and have elevated concern for cornice triggers. These winds drifted the snow into deeper, stiffer slabs on leeward terrain features that may be possible to human trigger. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since refrozen with cooling temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":436,"length":7,"key":0}],"data":{}},{"key":"dforq","text":"The mid and lower snowpack is generally well settled and strong. In the north of the region, a weak layer of surface hoar buried 90 to 170 cm deep may persist in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"4rsal","text":"Above 1800 m, weekend storm totals for the north of the region are in the range of 30-50 cm, while the Coquihalla received around 100 cm and the Manning Park area received around 35 cm. Extreme southwest wind during the storm has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"5-15 cm of new snow sits over a thick rain crust. The snowpack is refreezing into a solid block in the cool temperatures. Snowpack depths suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"Up to 50 cm of recent storm snow combined with strong to extreme southwest winds have likely formed wind slabs in the alpine and exposed treeline areas above about 2100 metres. Below this elevation, 5-10 cm of snow, also wind-affected, covers a solid new melt-freeze crust that now caps the mid and lower snowpack. In many areas this capping crust may extend to mountaintops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"efbl4","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"362a0","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. This basal layer has not been an active avalanche problem in the region since December and would likely require a sustained warming event before re-emerging as a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"8f1im","text":"There have been substantial changes to the snowpack over the past few days from wind, snow, and warming. 30-70+ cm fell during the weekend storm at upper elevations (generally above 1900 m) with the higher amounts in the eastern half of the region. Strong winds originating from the southwest and shifting to the northwest created a tricky loading pattern above tree line and increased concern for cornice triggers. These winds drifted the snow into deeper, stiffer slabs on leeward terrain features that may be possible to human trigger. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":475,"length":7,"key":0}],"data":{}},{"key":"2qpq1","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist. A layer surface hoar currently buried 100 to 180 cm deep from late December and a facet/crust layer from November near the ground. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":1},{"offset":218,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9ot9p","text":"The Feb 01 weekend storm was warm and wet. Below a certain elevation, somewhere around 15 - 1700 m, the precipitation fell as a soaking rain which is now a frozen crust and avalanche concerns are minimal. Above this elevation there was 50 cm or more of recent snow, and strong winds creating both wind slab and cornice concerns. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8j8lj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4g1m1","text":"In the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but may remain a concern. The warm wet storm on Feb 01 will have tested this layer in the short-term and will improve it in the longer-term; however, we're awaiting evidence before considering it dormant. This layer is found across much of the North Rockies region but our focus is around McBride and the McGregors/Torpy.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3qclh","text":"Extreme southwest wind leading into last weekend has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Below 1900 m, recent snow overlies a thick crust and tapers quickly with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"at18k","text":"2000m and below:  Up to a 6cm crust on the surface was formed from the weekend rain that then froze.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":15,"style":"BOLD"},{"offset":0,"length":15,"style":"UNDERLINE"}],"entityRanges":[],"data":{}},{"key":"8nca","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhasn","text":"2100m to 2300m:  The weekend storm left us with up to 35cm of snow that is bonding well to the previous surface.  The December 30 surface hoar layer is now down about 55cm and is mostly a facet layer that is starting to round and not producing consistent shears anymore.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":14,"style":"BOLD"},{"offset":0,"length":14,"style":"UNDERLINE"}],"entityRanges":[],"data":{}},{"key":"arf9g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cfnan","text":"2300m and above(alpine):  The alpine has extensive wind slabs and storm slabs that will need some more time to heal.  This recent slab is now sitting on several other generations of wind slabs that are still visible in the snowpack and have tightened up.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":0,"length":23,"style":"BOLD"},{"offset":0,"length":23,"style":"UNDERLINE"}],"entityRanges":[],"data":{}},{"key":"ooog","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1hnel","text":"-Good skiing can be found from tree line and below where the wind has not gotten to it.  The alpine is grabby on the skis and there is a big concern for cross loaded and lee features.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ec6v0","text":"There have been substantial changes to the snowpack over the past few days. 40-80 cm of snow fell during the weekend storm above 1900 m, with the higher totals in the northeastern parts of the region. Extreme winds originating from the southwest and shifting to the northwest created a tricky loading pattern at treeline and above and increased concern for cornice triggers. These winds drifted the snow into slabs on leeward terrain features that may be possible to human trigger. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":418,"length":7,"key":0}],"data":{}},{"key":"2ib26","text":"The mid and lower snowpack is generally well settled and strong. In the north of the region, a weak layer of surface hoar buried 90 to 170 cm deep may persist in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e6r90","text":"Strong southwest wind leading into last weekend has scoured windward aspects and formed loaded pockets in alpine lees. As high as 2000 m, the upper snowpack contains a series of crusts from recent warming and rain events.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":165,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e2mle","text":"There have been substantial changes to the snowpack over the past few days. 40-60 cm of snow fell during the weekend storm above 1700 m. Higher snow totals fell in the southeastern parts of the region. Strong winds originating from the southwest and shifting to the northwest have created a tricky loading pattern near and above tree line and have elevated concern for cornice triggers. These winds have drifted the snow into stiff slabs on leeward terrain features that remain prone to human triggering. Check out this MIN report for a helpful illustration of these conditions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":441,"length":7,"key":0},{"offset":520,"length":10,"key":1}],"data":{}},{"key":"7hs24","text":"During a warming event Saturday night, rain saturated snow surfaces up to around 1700 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"af8jk","text":"The mid and lower snowpack are generally well settled and strong, however there is a weak layer of surface hoar currently buried 70 to 150 cm deep. This layer has shown signs of instability in the region on slopes between 1700-2400 m. New snow, rain, and warming have added considerable strain to this weak layer, and it may require more time to adjust to the recent load.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":99,"length":12,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map/forecasts/north-columbia?panel=mountain-information-network-submissions/230cdcf9-524e-4bde-b0da-18dce8df08c9"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"endnn","text":"The wind has shifted direction several times the past week; however, wind transport was predominantly driven by the southwest wind: big pillows of wind slab formed on north and east facing features. As expected wind scoured slopes abound above treeline with sastrugi and variations on that theme. More surprising good powder and riding was found on lee or more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"540d6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtt6n","text":"Snow depths at White Pass increased last week and have now settled in around 150 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f8nfs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"acana","text":"Here's a non-technical snowprofile from the Fraser study plot from the end of January.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":34,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/1e152819-6246-4a89-8c27-a48eb7181dad"}}}}
{"blocks":[{"key":"5j2dq","text":"A second frontal system will bring another 15-20 cm of new snow on Tuesday night bringing two day storm totals to 30-50 cm. At higher elevations moderate to strong wind will formed extra deep deposits, while lower elevations will settle rapidly due to mild temperatures and wet snow overnight.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ec09f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bk48f","text":"100-150 cm of snow from the second half of January overlies a thin layer of facets that formed during the mid-January cold snap. Recent avalanche activity in the Bear Pass area and snowpack tests around Shames indicate this layer remains a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"876ik","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ffhkd","text":"A  crust from mid November exists at the base of the snowpack. So far, we have only one observation from Saturday in the far north of the region showing this layer waking up during the storm. Previously, the last avalanche reported on this layer was on January 17. Potential still exists for large avalanches in surface layers to step down to this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":1,"key":0},{"offset":330,"length":9,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#step-down-avalanche"}}}}
{"blocks":[{"key":"85e8r","text":"Variability in surface conditions is likely to be found in the region. In the Elk Valley and further west, an estimated 5-10 cm of snow sits above a solid new melt freeze crust which has capped the snowpack below about 2100 m. On the eastern slopes of the range roughly 20-30 cm of snow fell at the end of Saturday's storm and likely sits above a similar crust. In the high alpine across the region recent snow has been heavily impacted by strong to extreme wind from the southwest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"24sbn","text":"A well consolidated mid-pack overlies a generally weak basal snowpack. The bottom 10-20 cm of the snowpack consists of facets and deteriorating crusts. While there has been little in the way of avalanche activity on this layer recently, it may be possible for a large load to trigger it in a shallow, rocky start zone. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":6,"key":0},{"offset":292,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"4rsal","text":"Extreme southwest wind during the storm last weekend has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southwest wind leading into last weekend has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Light to moderate amounts of new snow are beginning to obscure this lingering wind effect. Below 1900 m, recent snow overlies a thick crust and tapers quickly with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2oe5r","text":"The forecast storm is expected to bring 30+ cm to favored areas such as the Monashees. Gusty winds are forecast for upper elevations as well as a gradual warming trend throughout the storm, which has the potential to speed up slab formation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"463sm","text":"There have been substantial changes to the snowpack over the past few days. 40-80 cm of snow fell during the weekend storm above 1900 m, with the higher totals in the northeastern parts of the region. Extreme winds originating from the southwest and shifting to the northwest created a tricky loading pattern at treeline and above and increased concern for cornice triggers. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d1rlv","text":"The mid and lower snowpack is generally well settled and strong. In the north of the region, a weak layer of surface hoar buried 90 to 170 cm deep may persist in isolated areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":109,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"fq5pj","text":"Widespread wind slabs of varying thicknesses in the Alpine and open areas at Treeline. 5 to 10cm of recent snow overlies a thick and supportive rain crust at lower elevations. This crust disappears at 2050m. Look to sheltered areas between 2300 and 2000m for soft snow and good skiing.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5ft9c","text":"15-25 cm of new snow sits over a thick rain crust. The snowpack below the crust has likely switched from moist or wet snow to a solid crust with recent cold temperatures. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"91mid","text":"The forecast storm is expected to bring 25+ cm to favored areas such as the Monashees. Gusty winds are forecast for upper elevations as well as a gradual warming trend throughout the storm, which has the potential to speed up slab formation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1n6ho","text":"There have been substantial changes to the snowpack over the past few days from wind, snow, and warming. 30-70+ cm fell during the weekend storm at upper elevations (above 1900 m) with the higher amounts in the eastern half of the region. Strong winds originating from the southwest and shifting to the northwest created a tricky loading pattern above tree line and increased concern for cornice triggers. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3n99f","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist. A layer surface hoar currently buried 100 to 180 cm deep from late December and a facet/crust layer from November near the ground. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":144,"length":12,"key":0},{"offset":218,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e6r90","text":"Wind switching directions has redistributed recent new snow onto a variety of aspects. As high as 2000 m, the upper snowpack contains a series of crusts from recent warming and rain events.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":165,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a66jh","text":"Strong southwest winds have likely formed isolated wind slabs in the alpine and exposed treeline areas above 2100 m. Below this elevation, 5-10 cm of snow, also wind-affected, covers a solid melt-freeze crust that now caps the mid and lower snowpack. In many areas this capping crust may extend to mountaintops.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"362a0","text":"The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. This basal layer has not been an active avalanche problem in the region since December and would likely require a sustained warming event before re-emerging as a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"endnn","text":"15-25 cm of new snow has been redistributed by predominantly south and southwest wind. This has now obscured previous wind effect from earlier in the week and last weekend, which formed big pillows of wind slab formed on north and east facing features. Reports still indicate that good powder and riding has been found on lee or more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"540d6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtt6n","text":"Snow depths at White Pass increased last week and have now settled in around 150 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f8nfs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"acana","text":"Here's a non-technical snowprofile from the Fraser study plot from the end of January.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":34,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/1e152819-6246-4a89-8c27-a48eb7181dad"}}}}
{"blocks":[{"key":"11fdm","text":"Ongoing snowfall since the weekend storm has totaled 20-40 cm. Human-triggered avalanches may be possible where this snow is being drifted by wind onto leeward features at upper elevations. Cornices are large and looming and may be reaching their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":7,"key":0}],"data":{}},{"key":"35fan","text":"30-70 cm fell during the weekend storm at upper elevations (above 1900 m). Strong winds originating from the southwest and shifting to the northwest redistributed the snow onto lee aspects near and above tree line and accelerated cornice growth. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist: a surface hoar layer buried 100 to 180 cm deep from late December and a facet/crust layer from November near the ground. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":138,"length":12,"key":1},{"offset":208,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"fq5pj","text":"Widespread wind slabs of varying thicknesses in the Alpine and open areas at Treeline. 5 to 10cm of recent snow overlies a thick and supportive rain crust at lower elevations. This crust disappears at 2050m. Look to sheltered areas between 2300 and 2000m for soft snow and good skiing.  The wind slabs in the alpine still need some time to heal.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4rsal","text":"New snow develops fresh wind slabs in the alpine and covers recent wind slabs. Extreme southwest wind during the storm last weekend has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"85e8r","text":"Variable amounts of wind affected snow sits above a widespread rain crust that exists up to roughly 2100 m. The Elk Valley has 5-15 cm of snow above the crust and the eastern slopes have 15-30 cm above the crust. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":266,"length":12,"key":0},{"offset":324,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southwest wind leading into last weekend has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Light to moderate amounts of new snow are beginning to obscure this lingering wind effect. Below 1900 m, recent snow overlies a thick crust and tapers quickly with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"Ongoing snowfall since the weekend storm has totaled 20-40 cm. Human-triggered avalanches may be possible where this snow is being drifted by wind onto leeward features at upper elevations. Cornices are large and looming and may be reaching their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":7,"key":0}],"data":{}},{"key":"4t4ip","text":"40-70 cm of snow fell during the weekend storm above 1900 m. Extreme winds originating from the southwest and shifting to the northwest redistributed the snow onto lee aspects near and above treeline and accelerated cornice growth. During a warming event Saturday night, rain saturated snow surfaces up to around 1900 m that have since formed a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack is generally well settled and strong. Although isolated, there are two deeper layers that may still persist. A weak layer of surface hoar buried 90 to 170 cm deep may be found in the north of the region and a facet/crust layer from November near the ground may be found in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":12,"key":1},{"offset":236,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#leeward","target":"_self","url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5j2dq","text":"30 cm of recent snow has rapidly settled due to mild temperatures. In open terrain this snow has been dramatically affected by strong wind from the southwest. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches last week, but are most likely unreactive to human triggering under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6gkg1","text":"10-30 cm of recent snow has rapidly settled due to mild temperatures. In open terrain this snow has been dramatically affected by strong wind from the southwest. Some areas continue to have issues with weak layers that formed during cold weather in January. Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. Most recent signs of instability with these deeper layers have been around Hazelton and Kispiox, but could be a problem on certain slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":317,"length":6,"key":0},{"offset":327,"length":12,"key":1},{"offset":398,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"e6r90","text":"Wind switching directions has redistributed recent new snow onto a variety of aspects. As high as 2000 m, the upper snowpack contains a series of crusts from recent warming and rain events.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":165,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9ot9p","text":"Anywhere from 15-40 cm of new snow has fallen in the past two days throughout the region. This may now have obscure previous wind effect in exposed terrain an may be sitting on a rain crust that formed last weekend below 1600m approximately. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8j8lj","text":"In the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but may remain a concern. The warm wet storm on Feb 01 will have tested this layer in the short-term and will improve it in the longer-term; however, we're awaiting evidence before considering it dormant. This layer is found across much of the North Rockies region but our focus is around McBride and the McGregors/Torpy.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5ft9c","text":"20-30 cm of new snow sits on a thick rain crust. The snowpack below the crust has likely switched from moist or wet snow to a solid crust with recent cold temperatures. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"Strong wind from the southwest has formed isolated wind slabs in the alpine and exposed treeline areas above 2100 m. Below this elevation, 10-20 cm of snow covers a solid melt-freeze crust that now caps the snowpack. In many areas this capping crust may extend to mountaintops. The bottom 10-20 cm of the snowpack consists of faceted snow and decomposing crusts. This basal layer has not been an active avalanche problem in the region since December and would likely require a sustained warming event before re-emerging as a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":326,"length":7,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"4rsal","text":"The new snow sits on a variety of surfaces. Extreme southwest wind during the storm last weekend has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1800 m, snow overlies a crust and tapers with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"Warm temperatures moistened the surface of the snow. 20-30 cm of new snow sits on a thick rain crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6gkg1","text":"Open terrain has been heavily affected by strong wind from the west. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. Some areas continue to have issues with weak layers that formed during cold weather in January. Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. The most recent signs of instability with these deeper layers have been around Hazelton and Kispiox, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":313,"length":6,"key":0},{"offset":323,"length":12,"key":1},{"offset":394,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"fq5pj","text":"Widespread wind slabs of varying thicknesses in the Alpine and open areas at Treeline. 5 to 10cm of recent snow overlies a thick and supportive rain crust at lower elevations. This crust disappears at 2050m. Look to sheltered areas between 2300 and 2000m for soft snow and good skiing.  The wind slabs in the alpine still need some time to heal.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3qclh","text":"Extreme southwest wind leading into last weekend has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Light to moderate amounts of new snow are beginning to obscure this lingering wind effect. Below 1900 m, recent snow overlies a thick crust and tapers quickly with elevation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5j2dq","text":"Open terrain has been heavily affected by strong wind from the west, but shifting winds could form slabs on a range of aspects. 30 cm of recent snow is rapidly settling and gaining strength. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches last week, but are unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e6r90","text":"Wind switching directions has redistributed recent new snow onto a variety of aspects. The recent storm snow seems to bond well with the crusts below. As high as 2000 m, the upper snowpack contains a series of crusts from recent warming and rain events.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vjro","text":"A layer of surface hoar is buried 100-150 cm below the surface in sheltered areas around treeline but has not been associated with avalanche activity recently. Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":165,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow from the early part of the week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This recent snow has shown variable reactivity, with reports showing a mix of soft wind slabs around treeline,  sluffing of low density snow in steep terrain, and poor bonding with the buried crust where it exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"85e8r","text":"Variable amounts of wind affected snow sits above a widespread rain crust that exists up to roughly 2100 m. The Elk Valley has 5-15 cm of snow above the crust and the eastern slopes have 15-30 cm above the crust. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":266,"length":12,"key":0},{"offset":324,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"a66jh","text":"Variable amounts of wind affected snow sits above a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas have 10-20 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":261,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"e0aad","text":"30-50 cm of snow from the early part of the week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. The recent snow has shown variable reactivity, with reports showing a mix of soft wind slabs around treeline, sluffing of low density snow in steep terrain, and poor bonding with the buried crust where it exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"The new snow will be heavily wind affected in the alpine and at treeline after tonight's storm. The fresh snow sits on variable surfaces: Extreme southwest wind leading into last weekend has scoured windward aspects, formed loaded pockets up to 150 cm deep in alpine lees and contributed to rapid cornice growth. Below 1900 m, recent snow overlies a thick crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7hjno","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"broat","text":"Recent snow of up to 8cm is covering the Feb 5th Temperature crust up to 2000m.   Very little wind affect was noted today but the recent snow is now burying the previous windslabs that are 10-50cm thick in alpine areas.  The December 31st Surface hoar layer was found down 85cm at 2200m today and it was hard to trigger but sudden planar in nature (cash register drawer) when affected.  The windslabs felt drummy in certain areas as you moved into treeline terrain which prompted forecasters to back off there original objective and seek out mellower terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Open terrain has been heavily affected by strong wind from the west, but shifting winds could form slabs on a range of aspects. 30 cm of recent snow is rapidly settling and gaining strength. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches last week, but are unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow from the early part of the week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This recent snow has shown variable reactivity, with reports showing a mix of soft wind slabs around treeline,  sluffing of low density snow in steep terrain, and poor bonding with the buried crust where it exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"85e8r","text":"Variable amounts of wind affected snow sits above a widespread rain crust that exists up to roughly 2100 m. The Elk Valley has 5-15 cm of snow above the crust and the eastern slopes have 15-30 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":333,"length":4,"key":0},{"offset":392,"length":12,"key":1},{"offset":450,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"e6r90","text":"Wind switching directions has redistributed recent new snow onto a variety of aspects. The snow surface varies from low density in wind sheltered areas to wind slab at all elevations. Specific terrain features at treeline and in the alpine are scoured to a crust from early February. As high as 2000 m, the upper snowpack contains a crust from recent warming and rain events. Generally the recent storm snow seems to bond well with the crust below. Several avalanches were observed to release within the recent storm snow. However, some avalanches slid on the crust below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"advkm","text":"Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"4rsal","text":"The new snow sits on a variety of surfaces. Extreme southwest wind during the storm last weekend has scoured windward aspects, formed deep loaded pockets in alpine lees and contributed to rapid cornice growth. Below 1900 m, snow overlies a crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"8afpg","text":"Approximately 30-60 cm recent storm snow sits above a thin rain crust from the warm, wet storm on Feb 01. This rain crust has been reported to exist up to treeline elevations around 1700 m. Initially this layer was described as reactive and was the focus of a number of avalanches. However, it now appears to be gaining strength and probably won't end up being a significant long-term weak layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agssp","text":"In the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but should remain a concern since snowpack tests still demonstrate this layer has the potential to slide, albeit in isolated areas and/or with very large triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"Variable amounts of wind affected snow sits above a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas have 10-20 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":261,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"5ft9c","text":"Warm temperatures moistened the surface of the snow at lower elevations. 20-30 cm of new snow sits on a thick rain crust. It is uncertain how well the recent storm snow bonds with the crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dd297","text":"Recent new snow has been redistributed by winds blowing from the south to west quadrant. Wind effect is widespread in exposed areas. Recent snowpack tests indicate sudden \"pop\" results at the base of recent storm snow down around 50 cm. There is reported to be excellent powder and riding in more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"Snow depths at White Pass are around 150 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 175 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6gkg1","text":"Open terrain has been heavily affected by strong wind from the west. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. Some areas continue to have issues with weak layers that formed during cold weather in January. Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. The most recent signs of instability with these deeper layers have been around Hazelton and Kispiox, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":313,"length":6,"key":0},{"offset":323,"length":12,"key":1},{"offset":394,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"e0aad","text":"30-50 cm of snow from the early part of the week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. The recent snow has shown variable reactivity, with reports showing a mix of soft wind slabs around treeline, sluffing of low density snow in steep terrain, and poor bonding with the buried crust where it exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"7bsa4","text":"5-10 new in the last 24 hours. Not much for wind affect up to 2300m. Above that light winds were blowing some snow around, but not much for new loading. Having said that, there are fresh cornices out there that appear to be delicate. Buried windslabs exist in crossloaded features at treeline. A failure between layers was noted down 50cm. The mid pack is hanging in there and feels supportive in most areas, but the very bottom of the snowpack is still weak and suspect. The rain crust is making for easy travel up to 1950-2000m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4rsal","text":"Friday's storm delivered 20-30 cm in the south of the region and 10-15 cm in the north. Strong southerly wind during the storm shifted to northerly wind and created wind slabs on all aspects. The snow surface is wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. This has been the failure plane in ongoing reports of very large, deep persistent avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a66jh","text":"The Friday Night/Saturday storm produced 15 to 25 cm of warm storm snow that has been formed into slabs in wind exposed terrain by ongoing northeast winds. This snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":424,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"e6r90","text":"Wind switching directions has redistributed recent new snow onto a variety of aspects. The snow surface varies from low density in wind sheltered areas to wind slab. Specific terrain features at treeline and in the alpine were scoured to a crust from early February before this last storm hit the region. As high as 2000 m, the upper snowpack contains a crust from recent warming and rain events. Generally the recent storm snow seems to bond well with the crust below. Several avalanches were observed to release within the recent storm snow. However, some avalanches slid on the crust below. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"advkm","text":"Weak facet/crust layers near the base of the snowpack are particularly noteworthy in the western Boundary area.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southerly wind during the last storm shifted to strong northerly wind and created wind slabs on all aspects. The snow surface is heavily wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 1900 m. It is uncertain how well the snow bonds to the crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm of storm snow from Friday Night/Saturday adds to the variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The Elk Valley has 5-20 cm of snow above the crust and the eastern slopes have 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":402,"length":4,"key":0},{"offset":461,"length":12,"key":1},{"offset":519,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of snow from the last week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"Friday's storm added 10-25 cm to the recent storm snow of 20-30 cm which sits on a thick rain crust. It is uncertain how well the new snow bonds with the old snow surface and how well the snow bonds with the crust which is about 30-50 cm deep. Several observed avalanches released within the storm snow and some slid on the crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6gkg1","text":"Open terrain has been heavily affected by strong wind from the west. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. Some areas continue to have issues with weak layers that formed during cold weather in January. Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. The most recent signs of instability with these deeper layers have been around Hazelton and Kispiox, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":313,"length":6,"key":0},{"offset":323,"length":12,"key":1},{"offset":394,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"63ksf","text":"Open terrain has been heavily affected by strong wind from the west, but shifting winds could form slabs on a range of aspects. 30 cm of recent snow is rapidly settling and gaining strength. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches last week, but are unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow from the last week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This recent snow has shown variable reactivity, with reports showing a mix of soft wind slabs around treeline,  sluffing of low density snow in steep terrain, and poor bonding with the buried crust where it exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"11fdm","text":"20-40 cm of snow from light snowfalls over the week now overlies older wind-affected snow at high elevations as well as a widespread melt-freeze or rain crust with an upper extent that varies from 1900 metres in some areas to mountaintop in others. The depth of new snow diminishes considerably at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feo09","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant and for the most part bridged over by the firm crust mentioned above. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0}],"data":{}},{"key":"c1dsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7fg","text":"A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"6gkg1","text":"Open terrain continues to be heavily affected by strong wind from the west. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. Some areas continue to have issues with weak layers that formed during cold weather in January. Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. The most recent signs of instability with these deeper layers have been around Smithers, Hazelton and Kispiox, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":320,"length":6,"key":0},{"offset":330,"length":12,"key":1},{"offset":401,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"11fdm","text":"20-40 cm of snow from last week now overlies older wind-affected snow at high elevations as well as a widespread melt-freeze or rain crust with an upper extent that varies from 1900 metres in some areas to mountaintop in others. The depth of new snow diminishes considerably at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feo09","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0}],"data":{}},{"key":"c1dsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7fg","text":"A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow from the last week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southerly wind during the last storm shifted to strong northerly wind and created wind slabs on all aspects. The snow surface is heavily wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 2000 m. It is uncertain how well the snow bonds to the crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4rsal","text":"Friday's storm delivered 20-30 cm in the south of the region and 10-15 cm in the north. Strong southerly wind during the storm shifted to northerly wind and created wind slabs on all aspects. The snow surface is wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. There has not been recent avalanche activity on these layers but they remain a concern and are on our radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of snow from the last week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm of storm snow from Friday Night/Saturday adds to the variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The storm snow is being formed into slabs by wind from a variety of directions. The Elk Valley has 5-20 cm of snow above the crust and the eastern slopes have 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":482,"length":4,"key":0},{"offset":541,"length":12,"key":1},{"offset":599,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"63ksf","text":"Open terrain continues to be heavily affected by strong wind from the west/northwest, but shifting winds could form slabs on a range of aspects. 30 cm of old storm snow is rapidly settling and gaining strength. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches last week, but are unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"The weekend storm produced 15 to 25 cm of warm storm snow. This snow has been formed into slabs in wind exposed terrain by previously strong winds that were largely out of the northeast. This snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":455,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"4tpua","text":"The wind shifted direction and redistributed the snow onto a variety of aspects loading lee terrain features at treeline and in the alpine. The recent storm snow sits on a thick rain crust as high as 2000 m and varies from 25-45 cm in the east of the region to 40-100 cm in the west of the region. Recent avalanches slid on the crust or released within the storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bl041","text":"Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"The recent storm snow adds up to 30-50 cm and sits on a thick rain crust. It is uncertain how well the snow bonds with the crust. Several observed avalanches released within the storm snow and some slid on the crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"c242e","text":"Moderate to strong winds last night made short work of the new snow. Lots of exposed ridges in the alpine which means there is some crossloading happening in the alpine and upper treeline. In sheltered areas the snow was still soft, yet slightly disturbed by the wind. Overall the midpack feels well settled and solid at treeline. There is a weak layer(dec31 surface hoar) down 50-80cm, but it seems well bonded. Last week's rain crust is down 20-25cm and obvious in all places below 1950m. So far no problems are associated with this crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"The weekend storm produced 15 to 25 cm of warm storm snow. This snow has been formed into slabs in wind exposed terrain by previously strong winds that were largely out of the northeast. This snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":455,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"8afpg","text":"A layer of surface hoar has become buried by light snow. Until it is buried approximately 30 cm or so it poses little hazard in sheltered areas. However, in the lee of ridge lines, where fresh wind slabs are likely to have formed, it may make avalanches easier to trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0},{"offset":161,"length":3,"key":1}],"data":{}},{"key":"5mhh5","text":"Approximately 40-60 cm recent storm snow sits above a thin rain crust from the warm, wet storm on Feb 01. This rain crust has been reported to exist up to treeline elevations around 1700 m. Initially this layer was described as reactive and was the focus of a number of avalanches. However, it now appears to be gaining strength and probably won't end up being a significant long-term weak layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agssp","text":"In the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but should remain a concern since snowpack tests still demonstrate this layer has the potential to slide, albeit in isolated areas and/or with very large triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}}}}
{"blocks":[{"key":"dd297","text":"Recent new snow has been redistributed by winds blowing from the south to west quadrant. Wind effect is widespread in exposed areas. Snowpack tests indicate the mid-pack near White Pass is reasonably strong with no persistent weak layers. This suggests the upper storm and wind slab layers should be the main focus of concern at this time. There is reported to be excellent powder and riding in more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"Snow depths at White Pass are around 150 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 175 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"11fdm","text":"20-40 cm of snow from last week now overlies older wind-affected snow at high elevations as well as a widespread melt-freeze or rain crust with an upper extent that varies from 1900 metres in some areas to mountaintop in others. This snow has been redistributed by moderate to strong winds blowing from a variety of directions. The depth of new snow diminishes considerably at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feo09","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0}],"data":{}},{"key":"c1dsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7fg","text":"A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of snow from the last week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. Moderate to strong winds have redistributed this new snow onto a variety of aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow from the last week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This new snow has been redistributed by winds blowing from a variety of directions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southerly wind during the last storm has shifted to northwesterly and created wind slabs on northerly, easterly and southerly aspects. The snow surface is heavily wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 2000 m. It is uncertain how well the snow bonds to the crust. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"Weak faceted grains and crusts near the base of the snowpack have not been an active avalanche problem recently, despite significant new snow loads. They are still on our radar, especially in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4tpua","text":"The wind shifted direction and redistributed the snow onto a variety of aspects loading lee terrain features at treeline and in the alpine. The recent storm snow sits on a thick rain crust as high as 2000 m and varies from 25-45 cm in the east of the region to 40-100 cm in the west of the region. Recent avalanches slid on the crust or released within the storm snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bl041","text":"Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"Winds are expected to shift to the northwest quadrant, which is likely to build wind slabs on southeast aspects. Warmer temperatures have densified the upper snow pack. There is around 30 recent new snow that sits on a thick rain crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are suspected to be in the range of 150-250 cm around the peaks of the north shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Open terrain continues to be heavily affected by strong wind from the west/northwest, but shifting winds could form slabs on a range of aspects. 30 cm of old storm snow is rapidly settling and gaining strength. A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9negh","text":"Wind slabs are mostly noticeable in cross loaded and lee features in the alpine.  Sheltered areas at all elevations are still providing good skiing.  Overall the midpack feels well settled and solid at treeline and below. The buried wind slabs in the top 50cm in the alpine are still on our radar; it is worth to dig and see how they are reacting. Last week's rain crust is down about 20cm and is easy to find below 1950m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6gkg1","text":"Open terrain continues to be heavily affected by strong wind from the west which has been actively loading lee terrain features and seems to be pushing the persistent slab problem to it's breaking point. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. Weak layers formed during cold weather in January have reactivated and have consistently been producing very large avalanches since February 3rd.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"51a7j","text":"Depending on location these layers may be composed of soft facets or surface hoar and are typically are buried 60-120 cm below the surface. Crust/facet layers also lurk at the base of the snowpack, especially in shallower (eastern) areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":59,"length":6,"key":0},{"offset":69,"length":12,"key":1},{"offset":140,"length":11,"key":2}],"data":{}},{"key":"ehhot","text":"The most recent signs of instability with these deeper layers have been around Smithers, Hazelton, the Kispiox and the Babines, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"4rsal","text":"Relatively warm recent weather has made recent new snow feel dense and has been described in one report as a \"storm snow\" like slab. Strong southerly wind during the storm shifted to northerly wind and created wind slabs on all aspects. The snow surface is wind affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. There has not been recent avalanche activity on these layers but they remain a concern and are on our radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm of storm snow from the Friday Night/Saturday storm adds to the variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The storm snow has been formed into slabs by wind from a variety of directions. The Elk Valley has 5-20 cm of snow above the crust and the eastern slopes have 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":492,"length":4,"key":0},{"offset":551,"length":12,"key":1},{"offset":609,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"6gkg1","text":"Open terrain continues to be heavily affected by strong wind from the west which has been actively loading lee terrain features and seems to be pushing the persistent slab problem to it's breaking point. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bbni","text":"Weak layers formed during cold weather in January may be part of the mechanism that has been producing the recent rash of very large avalanches. Depending on location these layers may be composed of soft facets or surface hoar and are typically buried 60-120 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1c03l","text":"Crust/facet layers that lurk at the base of the snowpack have reactivated and have consistently been producing very large avalanches since February 3rd. The most recent signs of instability with these deeper layers have been around Smithers, Hazelton, the Kispiox and the Babines, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"11fdm","text":"30-50 cm of snow falling over the last week now overlies older wind-affected snow at high elevations as well as a widespread melt-freeze or rain crust with an upper extent that varies from 1900 metres in some areas to mountaintop in others. This snow has been redistributed by moderate to strong winds blowing from a variety of directions. The depth of new snow diminishes considerably at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feo09","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0}],"data":{}},{"key":"c1dsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7fg","text":"A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm of storm snow from last weekend's storm adds to the variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The storm snow has been formed into slabs by wind from a variety of directions. The Elk Valley has 5-20 cm of snow above the crust and the eastern slopes have 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":481,"length":4,"key":0},{"offset":540,"length":12,"key":1},{"offset":598,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow accumulating through the last week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This new snow has been redistributed by winds blowing from a variety of directions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region. A facet/crust layer from November may be found near the ground in shallower snowpack areas and has been suspected of being the cause of sporadic very large avalanches releasing in the past 10 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0},{"offset":430,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a66jh","text":"The weekend storm produced 15 to 25 cm of warm storm snow. This snow has been formed into slabs in wind exposed terrain by previously strong winds that were largely out of the northeast. This snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":455,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"5ft9c","text":"Winds have shifted to the northwest quadrant, which will build wind slabs on southeast aspects. Warmer temperatures have densified the upper snow pack. There is around 30 cm recent new snow that sits on a thick rain crust. The snowpack below the crust consists of moist to wet snow and is well settled. Snowpack depths are in the range of 150-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4rsal","text":"Strong southerly winds during the storm shifted to northerly and created wind slabs on a variety of aspects. The snow surface is wind-affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"683i0","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. There has not been recent avalanche activity on these layers but they remain a concern and are on our radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"c4pdb","text":"The south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of snow accumulating through the last week now overlies older wind-affected snow at high elevations, with about half this amount instead overlying a widespread melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. Moderate to strong winds have redistributed this new snow onto a variety of aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"Extreme southerly winds during the last storm shifted to northwesterly and created wind slabs on northerly, easterly and southerly aspects. The snow surface is heavily wind-affected at treeline and in the alpine. The recent storm snow sits on a rain crust below 2000 m. The bond at this interface appears to be reasonably strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, one large avalanche was observed on this layer on Saturday Feb 8. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"nma7","text":"Trace to 3cm of new snow, brings recent storm snow totals to around 15cm at Treeline. Below 2300m this recent snow remains low density. However, in the Alpine a wide variety of wind slab depths and densities dominate the landscape, from recent strong and gusty NW/W/SW winds. Forecasters experienced some cracking today in wind effected terrain. These surface layers overlie a number of generations of previously formed wind slabs in the Alpine and at Treeline. Near valley bottom the buried rain crust from earlier in the month continues to hold the weight of a skier. Overall, the snowpack has a well settled and strong midpack, but the basal weaknesses persist, particularly in shallow snowpack regions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"15 to 20 cm fell across the region Monday night which is being blown into fresh slabs by wind out of the west, southwest and northwest.  Wind has been strong from these directions over the last few days which has allowed open terrain to be heavily wind affected, hard slabs are widespread at and above treeline. Cornices are reportedly large on north, northeast and east facing terrain features too.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6nbbr","text":"Wind sheltered features have 10 to 20 cm of faceted snow underneath the 15 to 20 cm that fell Monday night.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4tpua","text":"The wind shifted to a northwesterly direction and redistributed the snow onto a variety of aspects loading lee terrain features at treeline and in the alpine. The recent storm snow sits on a thick rain crust as high as 2000 m and varies from 25-45 cm in the east of the region to 40-100 cm in the west of the region. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bl041","text":"Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"dd297","text":"Recent new snow has been redistributed by winds blowing from the south to northwest directions. Wind effect is widespread in exposed areas. Snowpack tests indicate the mid-pack near White Pass is reasonably strong with no persistent weak layers. This suggests the upper storm and wind slab layers should be the main focus of concern at this time. There is reported to be excellent powder and riding in more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"Snow depths at White Pass are around 160 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 185 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8nu2t","text":"An additional 7-10cm of snow fell overnight.  The slow trickle of snow is beginning to add up with around 20-25cm of recent snow over the past few days.  Winds were forecast to be strong today but instead they were almost non existent.  Having said this, there is some variable wind affect in alpine terrain along ridgecrests  and in gullied features from earlier this week that skiers should be aware of.   In addition to the windslab concern, the basal facets are still on our minds as we travel.  Any snowpack test we do fails down at this interface down 1.5-2m.  Think about the real possibility of an avalanche stepping down to this layer.   If the sun comes out, also watch for cornices to begin to sag...","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"35-50 cm of new snow is expected to accumulate in the region by end of day on Thursday, under the influence of strong to extreme southwest winds. The new snow will mainly bury widespread wind-affected surfaces and recent wind slabs in exposed areas as well as sun crust on sun-exposed slopes at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"erqkl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4vm9p","text":"The new snow adds to 15 to 20 cm of snow from Monday night, which overlies an aspect and elevation-dependant mix of melt-freeze crust (lower elevations), sun crust (sun-exposed slopes), faceted snow and/or surface hoar (shaded aspects).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now 100-150 cm below the surface and an early season crust exists at the base of the snowpack. These layers produced a few large naturally triggered avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3qclh","text":"The new snow is falling on heavily wind-affected surfaces at alpine and treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, one large avalanche was observed on this layer on Saturday Feb 8. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"11fdm","text":"30-60 cm of snow falling over the last week overlies older wind-affected snow at high elevations as well as a widespread melt-freeze or rain crust with an upper extent that varies from 1900 metres in some areas to mountaintop in others. This snow has been redistributed by moderate to strong winds blowing from a variety of directions. The depth of new snow diminishes considerably at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"feo09","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5vhjg","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0}],"data":{}},{"key":"c1dsq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7fg","text":"A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":2,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm of storm snow from last weekend's storm adds to the variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The storm snow has been formed into slabs by wind from a variety of directions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3pocq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31o79","text":"The Elk Valley has about 5-20 cm of snow above the crust while the eastern slope of the region has closer to 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley previous to Friday Night's storm, check that out here. A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":255,"length":4,"key":0},{"offset":314,"length":12,"key":1},{"offset":372,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5ft9c","text":"Storm slabs will build through the day Thursday. The new snow is falling on wind affected snow in the alpine and dense, well settled snow at lower elevations. A thick rain crust sits 40-50 cm below the surface. The snowpack below consists of moist to wet snow and is well settled. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"The weekend storm produced 15 to 25 cm of warm storm snow. This snow has been formed into slabs in wind exposed terrain by previously strong winds that were largely out of the northeast. This snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65u6p","text":"Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":104,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"8afpg","text":"A layer of surface hoar appears to have become buried by light snow. We don't know too much about the distribution of this layer and it may have been impacted by strong winds in some areas. It is buried approximately 40 cm in the south of the region and 10-20 in areas further north and east. Initially the bond at this interface was reported to be reactive. However, cold overnight temperatures appear to have improved the strength at this interface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":11,"length":12,"key":0}],"data":{}},{"key":"1g61l","text":"Slightly lower in the snowpack, approximately 40-60 cm below the surface, there is a thin rain crust from the warm, wet storm on Feb 01. This rain crust has been reported to exist up to treeline elevations around 1700 m. Initially this layer was described as reactive and was the focus of a number of avalanches. However, it now appears to be gaining strength and probably won't end up being a significant long-term weak layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agssp","text":"In the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but should remain a concern since snowpack tests still demonstrate this layer has the potential to slide, albeit in isolated areas and/or with very large triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e0aad","text":"30-70 cm of snow accumulating through the last week overlies older wind-affected snow at high elevations, or a melt-freeze or rain crust to a variable upper extent of 1700-2400 metres in elevation. Moderate to strong winds have redistributed this new snow onto a variety of aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5r5r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"51npt","text":"20-60 cm of snow accumulating through the last week overlies previously wind-affected snow at higher elevations, with diminished depths of about 20-30 cm above a widespread melt-freeze or rain crust up to about 1700 metres. This new snow has been redistributed by winds blowing from a variety of directions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e88a1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a52jo","text":"The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December, currently buried 70 to 150 cm deep, has shown surprisingly long-lived instability on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), warranting increased caution around steeper slopes in this elevation band, particularly in the southern half of the region. A facet/crust layer from November may be found near the ground in shallower snowpack areas and has been suspected of being the cause of sporadic very large avalanches releasing in the past 10 days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":86,"length":12,"key":0},{"offset":430,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"4tpua","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A thick rain crust as high as 2000 m sits below 25-45 cm of recent storm snow in the east of the region and 40-100 cm in the west. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bl041","text":"Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"6gkg1","text":"Open terrain continues to be heavily affected by strong wind from the west which has been actively loading lee terrain features and seems to be pushing the persistent slab problem to it's breaking point. Crusts can be found on the surface up to roughly 1200 m and on open south-facing slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7tv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bbni","text":"Weak layers formed during cold weather in January may be part of the mechanism that has been producing the recent rash of very large avalanches. Depending on location these layers may be composed of soft facets or surface hoar and are typically buried 60-120 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fr4qq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1c03l","text":"Crust/facet layers that lurk at the base of the snowpack have reactivated and have consistently been producing very large avalanches since February 3rd. The most recent signs of instability with these deeper layers have been around Smithers, Hazelton, the Kispiox and the Babines, but persistent weak layers could be a problem on slopes anywhere in the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":0,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"eka4i","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A rain crust sits below recent storm snow below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6teg","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. There has not been recent avalanche activity on these layers but they remain a concern and are on our radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"78vim","text":"The south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, a very large avalanche was observed on this layer on Feb 9. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"30-70 cm of snow accumulating through the last week overlies older wind-affected snow at high elevations, or a melt-freeze or rain crust to a variable upper extent of 1700-2400 m in elevation. Moderate to strong winds have redistributed this new snow onto a variety of aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4oc4","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"63ksf","text":"20-30 cm of new snow accumulated in the region over Wednesday night and Thursday. The new snow mainly buried widespread wind-affected surfaces and recent wind slabs in exposed areas but also sun crust noted in advance of the storm on some sun-exposed slopes at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"erqkl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4vm9p","text":"The new snow adds to 15 to 20 cm of snow from Monday night, which overlies an aspect and elevation-dependant mix of melt-freeze crust (lower elevations), sun crust (sun-exposed slopes), faceted snow and/or surface hoar (shaded aspects).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 100-150 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"15 to 25 cm of storm snow from last weekend is on a positive stabilizing trend, with mainly small wind slabs resulting from a mix of northeast and more recent southwest winds remaining as surface instabilities. This recent snow rests on previously wind affected snow and a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65u6p","text":"Sheltered areas now have 15-30 cm of snow above the crust. The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":104,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"9saao","text":"No new snow last night, but we sure got the winds! This morning they were strong and from variable directions at treeline and alpine. By mid afternoon they atleast settled to a SW flow, but still raged. There are new windslabs everywhere, either because of lee loading or crossloading. Steep, unsupported slopes were cracking today, but tough to get going in ski cuts. Other than that the midpack has no change with the bottom 30cm still rotten and weak depth hoar. HS at 2200m 150cm. Cornices have quickly developed and will likely shed as the winds continue.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9vg7b","text":"30-60 cm of low density snow has fallen over the past week and has formed isolated wind slabs at higher elevation. The depth of new snow diminishes considerably at lower elevations. This snow sits above a rain crust with an upper extent that varies from 1900 m in some areas to mountaintop in others.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7lbe1","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant. A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":0},{"offset":263,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9st51","text":"20-50 cm of low density snow has fallen over the past week. This snow has shown some reactivity at higher elevations where it has been redistributed it into isolated wind slabs. This snow sits above a rain crust that extends up to 1800-2000 m. The middle of the snowpack is generally settled but the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":330,"length":12,"key":0},{"offset":401,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"85e8r","text":"5 to 15 cm snow from last weekend's storm added to variable amounts of wind affected snow that sits above a widespread rain crust that exists up to roughly 2100 m. The storm snow has been formed into slabs by wind from a variety of directions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3pocq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31o79","text":"The Elk Valley has about 5-20 cm of snow above the crust while the eastern slope of the region has closer to 15-35 cm above the crust. There have been observations of surface hoar forming in the Elk Valley prior to Friday Night's storm, check that out here. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":252,"length":4,"key":0}],"data":{}},{"key":"9ls60","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8le5m","text":"A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":1},{"offset":111,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5ft9c","text":"Around 20 cm of recent storm snow sits over wind affected surfaces in the alpine and dense, well-settled snow at lower elevations. A thick rain crust sits 40-50 cm below the surface. The snowpack below consists of moist to wet snow and is well settled. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"20-60 cm of low density snow has fallen over the past week and has been blown into isolated wind slabs at upper elevations. This snow sits above a rain crust that extends up to about 1700 m. The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar from late December has been a recent concern  in southern parts of the region on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations), and is currently buried 70 to 150 cm deep. A facet/crust layer from November may be found near the ground in shallower snowpack areas and has been suspected of being the cause of sporadic very large avalanches releasing in the past two weeks. Both of these weak layers have trended towards being unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":277,"length":12,"key":0},{"offset":516,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"eka4i","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A rain crust sits below recent storm snow below 1900 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c6teg","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. Sporadic avalanche activity on these layers keep them on our radar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}},{"key":"78vim","text":"In the south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"4tpua","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Recent winds have varied in direction so wind slabs can be found on a variety of aspects. A thick rain crust as high as 2000 m sits below 25-45 cm of recent storm snow in the east of the region and 40-100 cm in the west. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bl041","text":"Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"Snowfall beginning Friday night is accumulating over a variety of wind affected surfaces in the alpine, dense, well settled snow at lower elevations, and a sun crust on solar aspects. Wind and rising temperatures through Saturday will encourage slab development within the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p76e","text":"A thick rain crust sits 40-50 cm below the surface. The snowpack below consists of moist to wet snow and is well settled. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"bkjt1","text":"Convective flurries gave us 5cm or so over the past 24hrs and up to 10cm in some areas.  Windslabs are being found in alpine areas up to 40cm thick and in lee and crossloaded terrain. Cracking has been observed in the upper snowpack in steeper and unsupported terrain indicating that the windlslabs are within the range of human triggerrring.  The bottom 10-20cm of the snowpack is still weak depth hoar that can be triggerred from thin areas so choose routes that avoid steep thin and variable snowpack areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4tpua","text":"New snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. The new snow is failing of a variety of surfaces: hard windslabs around ridgetops and northerly alpine features, soft slabs and 10-15 cm lower density snow in sheltered terrain, a thin sun crust on solar aspects, and scoured features in exposed terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9kor","text":"A thick rain crust to mountain top sits below 25-45 cm of recent storm snow in the east of the region and 40-100 cm in the west. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving. Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":279,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9st51","text":"20-50 cm of low density snow has fallen over the past week and has shown some reactivity at higher elevations where it has been redistributed it into wind slabs. This snow sits above a rain crust that extends up to 1600-1900 m. Sun crusts can be found near the surface on steep south-facing slopes. The middle of the snowpack is generally settled but the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":385,"length":12,"key":0},{"offset":456,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"e0aad","text":"Another 15 cm of snow on Saturday will add to 15-30 cm of fresh snow from Thursday. In some areas this snow sits above sun crusts or small surface hoar, but will be most reactive on steep wind affected slopes. At treeline and below treeline 30-60 cm of recent snow is settling above a widespread rain crust that formed in early February.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c0ftf","text":"The mid and lower snowpack are generally well settled and strong. Although isolated, there are two deeper weak layers that may persist in some areas. A weak layer of surface hoar buried 90 to 170 cm deep may be found across the north of the region while a facet/crust layer from November may be found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":12,"key":0},{"offset":256,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9vg7b","text":"15-35 cm of low density snow from Thursday fell with moderate southwest winds formed variable wind slabs in alpine and ridgetop features. Storm slab properties may also be developing in some sheltered locations. Many solar aspects have a sun crust up to 2000 m and small surface hoar has been reported in some isolated areas. A widespread rain crust from early February can be found up to 1900 m across the region and to mountain top elevations in some areas, and is now buried 40-80 cm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":271,"length":12,"key":0}],"data":{}},{"key":"7lbe1","text":"The mid and lower snowpack are generally well settled and strong, but contain two deeper weak layers that we have been tracking since the early part of the season. The late December surface hoar layer, buried 100 to 180 cm deep, is now suspected to be dormant. A facet/crust layer from November exists near the ground in the highest elevations of the region. It remains a limited concern that is likely only able to be triggered with a large load, in high elevation, thin snowpack areas of the Selkirks and the southern half of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":182,"length":12,"key":1},{"offset":263,"length":11,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"A bit of new snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. This dusting of new snow overlies a variable surface of harder wind slabs, a sun crust of solar aspects, and settled snow in sheltered terrain. A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, a very large avalanche was observed on this layer on Feb 9. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"20-30 cm of new snow is expected to accumulate in the region by the end of the day on Saturday, bringing snow totals for this week to about 50-80 cm. In exposed areas, the interfaces within and below this storm snow consist mainly of wind-affected surfaces, but also of sun crusts on south-facing slopes that saw sunshine in between storm pulses. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2hf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cd0go","text":"In more sheltered areas, the pre-storm surface, expected to be about 40-70 cm deep by the end of the day, is a more varied aspect and elevation-dependant mix of melt-freeze crust (lower elevations), sun crust (sun-exposed slopes), faceted snow and/or surface hoar (shaded aspects).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"20-50 cm of low density snow has fallen over the past week and has been blown into isolated wind slabs at upper elevations. This snow sits above a rain crust that extends up to about 1700 m. The mid and lower snowpack are generally well settled, however an aging weak layer of surface hoar 70 to 150 cm below the surface from late December was a recent concern in southern parts of the region on slopes between 1700-2400 m (above the crust elevation and below the most wind-affected elevations). A facet/crust layer from November may be found near the ground in shallower snowpack areas and has been the suspected cause of sporadic very large avalanches releasing the past two weeks. Both of these weak layers have trended towards being unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":277,"length":12,"key":0},{"offset":498,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"eka4i","text":"New snow and wind will further wind slab development in lee features at alpine and upper treeline elevations. Prior to the overnight flurries, recent winds redistributed recent snow producing windslab in the alpine and upper treeline, up to 20 cm less dense snow in more sheltered terrain, and a thin suncrust on solar aspects. This older snow overlies a couple of crusts deeper in the snowpack, down 30-40 cm and 60-110, over a settled mid-pack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dh47e","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. Sporadic avalanche activity on these layers keep them on our radar. In the south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a66jh","text":"10-20 cm of new snow accumulated in the region over Thursday night, mainly burying wind-affected snow and old wind slabs in exposed terrain while adding to older, settled storm snow in sheltered areas. Collectively 25-50 cm of snow now overlies a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4h8ql","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"dd297","text":"Wind slabs are mostly several days old and are becoming difficult to trigger. In most locations the surface snow is well bonded, the exception being high alpine ridges that have remained windy where hard slabs might grade from thin to thick. There is reported to be excellent powder and riding in more wind protected / sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"Snow depths at White Pass are around 160 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 185 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8afpg","text":"Wednesday, Thursday and Friday produced 50 (Kakwa) to 100 (Torpy) cm of storm snow under mild temperatures and moderate wind from the south, southwest and southeast.  Easy sudden planar shears and wide spread storm slabs have been observed in all of the new snow.  The presence of buried surface hoar about 50 cm below the surface has been confirmed in both the Pine Pass and Torpy zones, it may be more widespread throughout the region too. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1g61l","text":"Below all the recent storm snow there is a thin rain crust from the warm, wet storm on Feb 01. This rain crust has been reported to exist up to treeline elevations around 1700 m. Initially this layer was described as reactive and was the focus of a number of avalanches. With up to a meter of new snow on it it could become active again this weekend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agssp","text":"Deep in the the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but should remain a concern since snowpack tests still demonstrate this layer has the potential to slide, albeit in isolated areas and/or with very large triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"c9rs9","text":"An additional 10cm has fallen over the past 24hrs bringing recent totals up to 20cm in Alpine areas.  Winds have been variable and as a result, windslabs up 40cm are being found in alpine areas along ridgelines and crossloaded gully features.  Some isolated cracking was observed, in steeper unsupported areas.  Despite no recent activity, the basal layers are still constantly in our minds.  Thin weak areas are likely trigger points for initiation on this interface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"20-30 cm of new snow accumulated in the region over Friday night and Saturday, bringing snow totals for this week to about 50-80 cm. With settlement, this total is likely closer to 40-60 cm. In exposed areas, the interfaces within and below this storm snow consist mainly of wind-affected surfaces, but also of sun crusts on south-facing slopes that saw sunshine in between storm pulses. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a2hf","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cd0go","text":"In more sheltered areas, the pre-storm surface, now roughly 40-60 cm deep, is a more varied aspect and elevation-dependant mix of melt-freeze crust (lower elevations), sun crust (sun-exposed slopes), faceted snow and/or surface hoar (shaded aspects).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a66jh","text":"10-20 cm of snow from the past week has been adding to wind-affected snow and old wind slabs in exposed terrain while adding to older, settled storm snow in sheltered areas. Collectively 25-50 cm of snow now overlies a thick rain crust that exists up to roughly 2100 m. In many areas this capping crust extends to mountaintops. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4h8ql","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"51npt","text":"40-60 cm of snow has fallen over the past week. Up to now it has primarily been a concern on wind-loaded slopes, but as this snow settles into a slab it could become reactive on sheltered slopes too. In some areas this new snow may sit above small surface hoar (in open terrain at treeline), sun crusts (in open south-facing terrain), or a thick rain crust (below 1700 m). Overall there is some uncertainty about where and when recent storm snow may develop into reactive slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"58ibh","text":"The mid and lower snowpack are generally well settled and strong. There are two deeper layers that may be found in isolated locations; 1) an aging surface hoar layer from late December is 100 to 150 cm below the surface on treeline slopes in southern parts of the region, and 2) a facet/crust layer from November found near the ground in shallower snowpack areas. Both of these weak layers have trended towards being unreactive under the current conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":12,"key":0},{"offset":281,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"eka4i","text":"Up to 20 cm of storm snow has fallen over the last few says.  In the north of the region this snow rests on surface hoar in sheltered locations.  On solar aspects surface hoar has been observed on a sun crust which is a problematic setup.  In wind exposed terrain it has been formed into fresh sensitive wind slabs.  We haven't hear of any surface hoar in the South of the region yet.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ot8b","text":"Previous to this storm wind redistributed recent snow producing wind slabs in the alpine and upper treeline vegetation bands.  In more sheltered terrain up to 30 cm of less dense snow can be found. Solar aspects have a thin sun crust under the storm snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f4ggl","text":"There are a couple of crusts deeper in the snowpack, down 30-40 cm and 60-110. The mid-pack is considered to be well settled and strong. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dh47e","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. Sporadic avalanche activity on these layers keep them on our radar. In the south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"10 to 20 cm of snow fell Friday Night into Saturday accompanied by wind out of the south which is expected to further wind slab development in lee features at alpine and upper treeline elevations. The new snow overlies a variable surface of harder wind slabs, a sun crust on solar aspects, and settled snow in sheltered terrain. A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, a very large avalanche was observed on this layer on Feb 9. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9st51","text":"20-50 cm of low density snow has fallen over the past week and has shown some reactivity at higher elevations where it has been redistributed it into wind slabs. This snow sits above a rain crust that extends up to 1600-1900 m. Sun crusts can be found near the surface on steep south-facing slopes. The middle of the snowpack is generally settled but the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":385,"length":12,"key":0},{"offset":456,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"9vg7b","text":"35-80 cm of low density snow fell in the past week with moderate to strong southwest to westerly winds.  This built variable soft and hard wind slabs in cross-loaded and lee features in the alpine and at ridgetop. Storm slab properties may also be developing in some sheltered locations at and below treeline, particularly with day time warming. Many solar aspects have a sun crust up to 2000 m and small surface hoar has been reported in some isolated areas in open terrain at treeline. A widespread rain crust from early February can be found up to 1900 m across the region and to mountain top elevations in some areas, and is now buried 40-80 cm, depending on elevation.  The mid and lower snowpack are generally well settled and strong. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":405,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e0aad","text":"40-80 cm of snow has fallen over the past week. The top 20-40 cm has formed a reactive storm slab in many areas and thicker wind slabs have formed at higher elevations. In some areas this new snow may sit above small surface hoar (in open terrain at treeline), sun crusts (in open south-facing terrain), or a thick rain crust (below 1800 m). Overall there is some uncertainty about where and when recent storm snow is developing into reactive slabs. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4tpua","text":"The weekend storm produced 10 to 30 cm of new snow which is expected to further wind slab development in lee features at alpine and upper treeline elevations. The new snow is failing of a variety of surfaces: hard wind slabs around ridgetops and northerly alpine features, soft slabs and 10-15 cm of lower density snow in sheltered terrain, a thin sun crust on solar aspects, and scoured features in exposed terrain. Spotty surface hoar has also been reported under the storm snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9kor","text":"A thick rain crust to mountain top sits below 25-45 cm of recent storm snow in the east of the region and 40-100 cm in the west. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving. Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":279,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"5ft9c","text":"20 to 30 cm of storm snow rests on a variety of wind affected surfaces in the alpine, dense, well settled snow at lower elevations, and a sun crust on solar aspects. There may be isolated pocket of surface hoar too.  Continued wind and warmer temperatures Sunday will likely encourage slab development within the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p76e","text":"A thick rain crust sits 50-60 cm below the surface. The snowpack below consists of moist to wet snow and is well settled. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9st51","text":"10-20 cm of fresh snow and a total of 30-60 cm of snow from the past two weeks sits on the surface. This snow has shown some reactivity at higher elevations where it has been redistributed it into wind slabs. Sun crusts can be found near the surface on steep south-facing slopes and a hard rain crust can be felt beneath the snow at below treeline elevations. The middle of the snowpack is generally settled but the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":446,"length":12,"key":0},{"offset":517,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"9vg7b","text":"30-60 cm of recent snow is beginning to settle and there is uncertainty about whether it will gain or loose strength in the coming days. There have been reports of this snow starting to be reactive in isolated sheltered terrain where a buried surface hoar layer is 30-60 cm below the surface. A sun crust can be found at similar depths on open south-facing terrain. A widespread rain crust from early February can be found up to 1900 m across the region and to mountain top elevations in some areas, and is now buried 40-80 cm, depending on elevation. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d2q8l","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9pbk7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2sg7u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"eka4i","text":"10-20 cm recent storm snow is wind affected in alpine and open treeline areas forming fresh wind slabs. In sheltered locations, the new snow covered a thin layer of surface hoar (in the north of the region). On solar aspects surface hoar has been observed on a sun crust which is a problematic setup. We haven't heard of any surface hoar in the South of the region yet.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ot8b","text":"Previous to this storm wind redistributed recent snow producing wind slabs in the alpine and upper treeline vegetation bands. In more sheltered terrain up to 30 cm of less dense snow can be found. Solar aspects have a thin sun crust under the storm snow. There are a couple of crusts deeper in the snowpack, down 30-40 cm and 60-110. The mid-pack is considered to be well settled and strong. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dh47e","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. Sporadic avalanche activity on these layers keep them on our radar. In the south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"6gkg1","text":"10-40 cm of new snow fell over the last week with greatest accumulations in the west of the region. In exposed areas, this snow is highly wind affected. At lower elevations, the recent snow overlies isolated patches of surface hoar in shady sheltered areas or crusts on south-facing slopes and below 1200 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8d7tv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bbni","text":"A weak layer of faceted snow that formed during cold weather in mid January is buried approximately 60-120 cm below the surface. A few large avalanches were triggered on this layer in the first half of the month.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fr4qq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1c03l","text":"An older crust/facet layer from November, lurking at the base of the snowpack, produced many very large avalanches during the first half of the month.  As a product of old, weak snow from the early season, this layer is most likely to be found at high elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":9,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary?q=facets#facetcrust-layer"}}}}
{"blocks":[{"key":"63ksf","text":"20-30 cm of new snow accumulated in the region over the weekend, bringing snow totals for this week to about 50-80 cm. With settlement, this total is likely closer to 40-60 cm. This snow sits on a variety of surfaces including wind-affected snow (high elevation/exposed areas), melt-freeze crust (lower elevations), sun crust (sun-exposed slopes), faceted snow and/or surface hoar (shady sheltered areas).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have more recently been nonreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5ft9c","text":"20 to 30 cm of recent storm snow is settling with warm temperatures and being redistributed by westerly winds. This snow covered a variety of wind affected surfaces in the alpine, well settled dense snow at lower elevations, and a sun crust on solar aspects. There may be isolated pockets of surface hoar too. Sun and warm temperatures may encourage wet avalanches, starting with steep terrain at lower elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9p76e","text":"A thick rain crust sits 50-60 cm below the surface. The snowpack below consists of moist to wet snow and is well settled. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"85e8r","text":"Up to 40 cm of recent storm snow sits over wind-affected surfaces and aging wind slabs in exposed areas, while adding to about 10-30 cm of older settled storm snow in sheltered areas. This brings snow totals above our widespread rain crust to between 20 and 70 cm, with the east slope of the region again generally holding the deeper amounts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3pocq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31o79","text":"We have previous observations of surface hoar forming in the Elk Valley in advance of last Friday's storm (see here), meaning this weak layer is now likely about 20 cm deep in that part of the region, and possibly elsewhere as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":111,"length":4,"key":0}],"data":{}},{"key":"9ls60","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8le5m","text":"A well consolidated mid-pack overlies generally weak basal facets, that may be possible to trigger in isolated shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":1},{"offset":111,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8e03f0c7-0c65-4540-84bc-46784ebf28f0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"4tpua","text":"20-40 cm new snow covered a variety of surfaces: hard wind slabs around ridgetops and northerly alpine features, soft slabs and 10-15 cm of lower density snow in sheltered terrain, a thin sun crust on solar aspects, and scoured features in exposed terrain. Spotty surface hoar has also been reported under the recent storm snow. Westerly winds are impacting loose snow developing wind slabs in lee features at upper treeline and higher elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k791","text":"A thick rain crust to mountain top sits below 25-45 cm of recent storm snow in the east of the region and 40-100 cm in the west. Recent avalanches slid on the crust or released within the storm snow. However, recent information indicates the bond at the crust is improving. Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":279,"length":11,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"a66jh","text":"20-30 cm of snow from the past week has been blown into wind slabs and cornices. In sheltered areas, the recent snow is settling and may contain sun crusts and layers of surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9nr9r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c77r6","text":"A thick rain crust sits 30-60 cm below the surface, up to 2100 m. Recent reports indicate that faceting may be occurring at the interface of this crust and overlying snow in some areas. A weak layer sitting between a dense slab and a slick bed surface is a recipe for a future persistent avalanche problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4h8ql","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"769o8","text":"There is up to 25cm of recent snow in Alpine areas.  Winds have been variable for the last couple of days, so be on the lookout for wind slabs as you transition into the Alpine, especially lee features and cross loaded gullies.  The Alpine just needs a bit more time to let those new wind slabs bond. We are approaching the time of year where the sun is strong, especially on solar aspects. The November crust/facet layer that makes up the bottom 40cm of the snow pack is still on our radar and could be triggered from thin areas or by large loads.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"A stormy week has delivered up to 100 cm of new snow to the Cariboos. The deepest reported amounts are along the Robson Valley and around Blue River, while most parts of the region received at least 40 cm. Up to now it has primarily been a problem on wind-loaded slopes, but as this snow settles into a slab it could become reactive on sheltered slopes too. In some areas this new snow may sit above small surface hoar (in open terrain at treeline), sun crusts (in open south-facing terrain), or a thick rain crust (below 1700 m). Overall there is some uncertainty about where and when recent storm snow may develop into reactive slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"58ibh","text":"The mid and lower snowpack are generally well settled and strong as two deeper layers have trended towards being unreactive under the current conditions, including; 1) an aging surface hoar layer from late December over 100 cm below the surface on treeline slopes in southern parts of the region, and 2) a facet/crust layer from November found near the ground in shallower snowpack areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":177,"length":12,"key":0},{"offset":306,"length":11,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#facetcrust-layer","target":"_self","url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"3qclh","text":"South and westerly winds have impacted 10-30 cm recent storm snow producing pockets of windslab in the alpine and upper treeline. The new snow covered a variable surface of harder wind slabs, a sun crust on solar aspects, and settled snow in sheltered terrain. A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong. Recent winds have scoured an exposed these surfaces in higher elevation exposed terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cueem","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, a very large avalanche was observed on this layer on Feb 9. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of recent snow is beginning to settle and there is uncertainty about whether it will gain or loose strength in the coming days. There have been reports of this snow starting to be reactive in isolated sheltered terrain where a buried surface hoar layer is 30-60 cm below the surface. A sun crust can be found at similar depths on open south-facing terrain. A buried crust from the early February rain storm is now 50-100 cm below the surface. In most areas the snow has bonded to this crust, but in areas where the crust is shallowly buried it could be slower to bond. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5gfnh","text":"10-40 cm of snow from the past week has seen some redistribution at alpine and treeline elevations, with wind slabs forming in lee features. At treeline and below, it may sit over patches of surface hoar in wind sheltered areas or crusts on solar aspects and below 1200 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":191,"length":12,"key":0}],"data":{}},{"key":"3m0sb","text":"A weak layer of facets that formed during the January cold snap is now about 60-120 cm below the surface while an early season crust lurks at the base of the snowpack. A few large avalanches were triggered on these layers in the first half of the month.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"51npt","text":"The past week of stormy weather delivered up to 80 cm of new snow to the Cariboos. The deepest reported amounts were along the Robson Valley, while most parts of the region received at least 40 cm. Up to now it has primarily been a problem on wind-loaded slopes, but as this snow settles into a slab it could become reactive on sheltered slopes too. In some areas this new snow may sit above small surface hoar (in open terrain at treeline), sun crusts (in open south-facing terrain), or a thick rain crust (below 1700 m). Overall there is some uncertainty about whether storm slabs will gain or loose strength in the coming days. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"b9pug","text":"10-30 cm recent snow has be redistributed by southwesterly winds and a crust has formed on solar aspects. The new snow overlies wind affected snow in the alpine, a crust on solar aspects, and lower density snow or spotty surface hoar in sheltered terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"15i4e","text":"A rain crust sits 30-50 cm below the surface at elevations below 2000 m. The bond at this interface appears to be reasonably strong and the mid pack well settled. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"p0p9","text":"While weak faceted grains and crusts near the base of the snowpack have mostly not been a problem recently, a very large avalanche was observed on this layer on Feb 9. The problem appears isolated to very aggressive alpine terrain and is likely more prevalent in inland parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"85e8r","text":"Up to 40 cm of snow (with highest amounts concentrated in the Castle area) from the past week has been redistributed into wind slabs in the alpine and exposed areas at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"avmgq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6d9t0","text":"A thick rain crust from early February sits 20-70 cm below the surface up to 2100 m. Recent reports indicate that faceting may be occurring at the interface of this crust and overlying snow in some areas, creating a weak layer between a slab and a slick bed surface. At least one avalanche was reported to have slid on this layer on Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"64fh0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8le5m","text":"A well consolidated mid-pack overlies generally weak basal facets that may be possible to trigger in isolated shallow rocky start zones or with large loads. There is some uncertainty about whether the forecast sunny period will provide a strong enough input to resurrect this avalanche problem. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0},{"offset":110,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5noem","text":"New snow over the weekend has settled with sun and warm temperatures. Isolated pockets of wind slab may still be found in lee terrain at the highest elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9j19l","text":"The snowpack is well settled and includes a a thick rain crust sits 50-60 cm below the surface. Snowpack depths are in the range of 200-250 cm around the peaks of the North Shore mountains (1400 m), tapering quickly with elevation to almost nothing below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9vg7b","text":"30-60 cm of recent snow is beginning to settle and there is some uncertainty about whether it will gain or loose strength in the coming days. There have been a few reports of this snow showing reactivity in isolated sheltered terrain features such as openings at and below treeline (where it sits above small surface hoar or sun crusts). This will unlikely develop into a persistent problem, but for the next few days storm slabs could remain reactive on some steep terrain features. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9pbk7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2sg7u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"30-60 cm of recent snow is beginning to settle and there is uncertainty about whether it will gain or loose strength in the coming days. There have been a few reports of this snow showing reactivity in isolated sheltered terrain features such as openings at and below treeline (where it sits above small surface hoar or sun crusts) and steep gully features where the snow may be poorly bonded to the early February rain crust. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"39p7d","text":"The alpine consists of about 20cm of recent snow and wind slabs.  The recent variable winds have created some wind slabs in unusual places; be on the lookout for these as you transition into the Alpine, especially on lee features and cross loaded gullies.   A strong mid pack sits on the November crust/facet layer that makes up the bottom 40cm of the snow pack. This layer could be triggered in thin areas in the alpine or by large loads.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"40-60 cm of snow from the past week has seen some redistribution in exposed alpine areas, with soft wind slabs forming in immediate lees of ridge crests. At treeline and below, it may sit over patches of surface hoar in wind sheltered areas or crusts on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":204,"length":12,"key":0}],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"dd297","text":"The MIN is full of reports of very good skiing and riding over the weekend, the 20 to 50 cm of storm snow has largely been untouched by the wind. NE wind started to form a shallow slab Sunday and the weather stations are now showing a moderate southwest wind which could begin to move the ageing storm snow around. Winds are forecast to be strong and there's lots of snow available to form into fresh wind slabs over the next few days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":4,"length":3,"key":0}],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"Snow depths at White Pass are around 160 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 185 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions?regions=yukon"}}}}
{"blocks":[{"key":"9st51","text":"10-20 cm of fresh snow and a total of 30-50 cm of snow from the past two weeks sits on the surface. This snow has shown some reactivity at higher elevations where it has been redistributed it into wind slabs. Sun crusts can be found near the surface on steep south-facing slopes and a hard rain crust can be felt beneath the snow at below treeline elevations. The middle of the snowpack is generally settled but the base of the snowpack contains basal facets. It remains possible to trigger these deep weak layers in shallow rocky start zones or from a heavy trigger such as a cornice fall. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":446,"length":12,"key":0},{"offset":517,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"a66jh","text":"20-30 cm of snow from the past week has seen some redistribution in exposed alpine areas, with soft wind slabs forming in immediate lees of ridge crests. In sheltered areas, the recent snow is settling and may contain various sun crusts and layers of small surface hoar crystals. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9nr9r","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c77r6","text":"A thick rain crust sits 30-60 cm below the surface, up to 2100 m. Recent reports indicate that faceting may be occurring at the interface of this crust and overlying snow in some areas. A weak layer sitting between a dense slab and a slick bed surface is a recipe for a future persistent avalanche problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2njtc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4h8ql","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"4p2ff","text":"West-southwesterly winds have redistributed 10-25 cm recent storm snow, wind slabs have formed in open treeline areas into the alpine. Initially the new snow did not bond well to the old surface - sloughing and loose, dry avalanches were easily triggered in sloped terrain. The new snow covered wind affected surfaces at upper treeline and above and covered up to 30 cm older snow in more sheltered areas. Solar aspects have a thin sun crust under the storm snow. A spotty layer of surface hoar has been reported in sheltered terrain under the recent snow in the north of the region. We haven't heard of any surface hoar in the South of the region yet.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e2lak","text":"There are a couple of crusts deeper in the snowpack, down 30-40 cm and 60-110 and remain unreactive. The mid-pack is considered to be well settled and strong. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ae62f","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet crust complex. Sporadic avalanche activity on these layers keep them on our radar. In the south of the region, including the Coquihalla and Manning areas, we currently have no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"4tpua","text":"20-40 cm new snow over the weekend covered a variety of surfaces: hard wind slabs around ridgetops and northerly alpine features, soft slabs and 10-15 cm of lower density snow in sheltered terrain, a thin sun crust on solar aspects, and scoured features in exposed terrain. A reactive layer of surface hoar has been the weak layer in many recent storm slab avalanches around treeline and below. In the alpine west-southwesterly winds have developed reactive windslabs with the touchiest deposits in lee-ward and cross-loaded terrain.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":294,"length":12,"key":0}],"data":{}},{"key":"3dos0","text":"A thick rain crust to mountain top sits 10-40 cm of below the surface in the east of the region and 40-100 cm in the west. Reports suggest the bond is improving, and the midpack below the crust is wll settled. Weak facet/crust layers near the base of the snowpack have not been an active avalanche problem recently. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=surface+hoar#surface-hoar"}}}}
{"blocks":[{"key":"epe3","text":"Extensive wind effect in exposed alpine terrain with scoured and pressed windward surfaces and hard wind slab in lees features. In sheltered areas, recent snow may sit over patchy surface hoar or crusts on solar aspects and below 1200 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":180,"length":12,"key":0}],"data":{}},{"key":"31shf","text":"A weak layer of facets that formed during the January cold snap is now about 60-120 cm below the surface while an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers usually during periods of rapid loading by new snow or wind, and by large loads or from thin, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"e0aad","text":"Sunny weather could weaken cornices and snow on steep south-facing slopes. 30-60 cm of recent storm snow is gradually settling and gaining strength, but has shown some isolated signs of reactivity on wind loaded slopes, steep convexities in sheltered terrain (where the snow sits above small surface hoar or sun crusts), and steep gully features at low elevations (where the snow may be poorly bonded to the early February rain crust). These interfaces are unlikely to develop into a persistent problem, but for the next few days storm slabs could remain reactive on these isolated terrain features. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7prjf","text":"Recent storm snow amounts of 15 to 20cm are slowly settling. Despite mainly sunny skies the surface snow stayed dry today, even on steep solar aspects. Highly variable wind effect in the Alpine with soft snow in some areas and significant wind slab formation in others.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"A thin sun crust may be found at the surface on steep solar aspects. Recent snow has been wind loaded into thick, slabs in immediate lees of ridge crests at alpine and exposed treeline elevations. In sheltered areas, the recent snow is settling and may contain various sun crusts and layers of small surface hoar crystals. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1lnid","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c4oug","text":"A thick rain crust sits 30-60 cm below the surface, up to 2100 m. A slab/weak layer/slick bed surface configuration may be imminent as faceting has been observed between this crust and overlying snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ardh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alrhf","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"8irnk","text":"Clear skies and a warming trend are warming the snowpack, primarily on sun-exposed slopes. Snow may become wet and loose during the heat of the day. Wind slabs may also linger in steep, lee terrain near ridges at alpine elevations in the north of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cjm8k","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9vg7b","text":"Sunny weather could weaken cornices and the upper snowpack on steep south-facing slopes. 30-60 cm of recent storm snow is gradually settling and gaining strength, but has shown some isolated signs of reactivity on wind loaded slopes and steep convexities in sheltered terrain (where the snow sits above small surface hoar or sun crusts). These interfaces are unlikely to develop into a persistent problem, but for the next few days storm slabs could remain reactive on these isolated terrain features. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6b2oi","text":"20 to 40 cm of snow from the weekend has consolidated into a reactive slab. At higher elevations near ridges, wind slabs have formed on predominantly north to east to south aspects. In sheltered terrain, the slab may overly a weak layer of feathery surface hoar crystals. On south aspects, sunny skies may begin to wet the snow surface during the day and form a melt-freeze crust during the cooler nights.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7gb2","text":"A few other crusts exist in the top 100 cm of the snowpack; reports suggest that the overlying snow is bonding relatively well to them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Recent snow has been wind loaded into thick, soft slabs in immediate lees of ridge crests at alpine and exposed treeline elevations. At treeline and below, it may sit over patchy surface hoar in wind sheltered areas or crusts on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":179,"length":12,"key":0}],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"79k11","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects, which will moisten during daytime heating. Soft snow should prevail on shaded and sheltered aspects, which overlies hard surfaces and potentially surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"96del","text":"The midpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8oir8","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a few deep instabilities exist in the snowpack, including a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"9st51","text":"Sunny weather could weaken cornices and the upper snowpack on steep south-facing slopes. Surface conditions are a mix of low density snow in sheltered terrain, sun crusts on south-facing slopes, and isolated wind slabs at higher elevations. At lower elevations (below 1600-2000 m) 20-40 cm of snow sits above a hard rain crust. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":404,"length":12,"key":0},{"offset":501,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"aqo4","text":"Previous winds have redistributed recent snow into wind slabs in the alpine and exposed areas at treeline. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fkas7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vl48","text":"A thick rain crust from early February sits 20-70 cm below the surface up to 2100 m. Recent reports indicate that faceting may be occurring at the interface of this crust and overlying snow in some areas, creating a weak layer between a slab and a slick bed surface. At least one avalanche was reported to have slid on this layer on Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2o48c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ffk9","text":"A well consolidated mid-pack overlies generally weak basal facets that may be possible to trigger in isolated shallow rocky start zones or with large loads. There is some uncertainty about whether the forecast sunny period will provide a strong enough input to resurrect this avalanche problem. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0},{"offset":110,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"77ms6","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects, which will moisten during daytime heating. Soft snow should prevail on shaded aspects, which overlies hard surfaces and potentially surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faikg","text":"The midpack is well-settled. Faceted snow and crusts exist near the base of the snowpack in much of the region. Avalanche activity was recently noted on Curtain Glacier in the Spearhead Range, although it is unclear if the avalanches released on this basal instability. This layer is largely dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"Last week it snowed 40-80 cm, with the greatest accumulations in the northern part of the region. This snow has shown signs of settling and gaining strength over the past few days, with the exception of some wind affected slopes. This recent snow sits above a few different interfaces (a hard rain crust below 1800 m, sun crusts on south-facing slopes, and potentially small surface hoar at treeline), but appears to be bonding well to these interfaces. Sunny weather this week could weaken cornices and surface snow on steep south-facing slopes. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Overnight snow is being redistributed and loaded into lee features by strong winds at alpine and exposed treeline elevations. At treeline and below, recent snow may sit over patchy surface hoar in wind sheltered areas or crusts on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":181,"length":12,"key":0}],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"9vg7b","text":"Sunny weather could weaken cornices and the upper snowpack on steep south-facing slopes. 30-60 cm of recent storm snow is gradually settling and gaining strength, but has shown some isolated signs of reactivity on wind loaded slopes and steep convexities in sheltered terrain (where the snow sits above small surface hoar or sun crusts). These interfaces are unlikely to develop into a persistent problem, but for the next few days storm slabs could remain reactive on these isolated terrain features. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8irnk","text":"Clear skies and an elevated freezing level are warming the snowpack and allowing for widespread surface hoar growth. The surface snow may become wet and loose during the heat of the day on sun-exposed slopes. Overhanging cornices may also weaken with the heat. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cjm8k","text":"The remainder of the snowpack is well-settled. Numerous melt-freeze crusts exist in the snowpack and all reports indicate that overlying layers are bonding well to them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b5aob","text":"The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"A thin sun crust may be found at the surface on steep solar aspects. Variable wind affect in the alpine and near treeline with soft slabs in immediate lees.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1lnid","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c4oug","text":"A thick rain crust sits 30-60 cm below the surface, up to 2100 m. Recent avalanche activity has been observed at the faceting interface between this crust and overlying snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ardh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alrhf","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"77ms6","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects, which will moisten during daytime heating. Soft snow should prevail on shaded aspects, which overlies hard surfaces and potentially surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine. The clear skies are allowing for surface hoar to grow, which may become problematic after the next large snowfall.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faikg","text":"The midpack is well-settled. Faceted snow and crusts exist near the base of the snowpack in much of the region. Avalanche activity was recently noted on Curtain Glacier in the Spearhead Range, although it is unclear if the avalanches released on this basal instability. This layer is largely dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dd297","text":"Conditions have changed quite a bit in the last 48 hours. We've gone from overnight low temps around -20 C on Feb 17th to an overnight low Tuesday night of -6 C. Wind has picked up dramatically, they have been steady moderate to strong out of the south/southwest for the last 48 hours.  This has stripped some slopes of snow and welded hard slabs into others, but there has been some recent wind slab activity too. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8f8cd","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aslin","text":"Snow depths at White Pass are around 160 cm at our wind protected Fraser study plot. Deeper locations (higher terrain west of the highway) have more than 200 cm, while on the east of the highway depths are around 185 cm. It's reasonable to expect a thin snowpack composed mainly of sugary facets in the Wheaton Valley, and thinner wind-scoured alpine areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d4opj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"92c1c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9voq3","text":"Expect to find moist snow on sheltered solar aspects, particularly at lower elevations. This will freeze into a thin crust by morning. Alpine areas are exhibiting widely variable wind slab conditions with everything from no wind effect to hard wind slabs to sastrugi. At Treeline and below soft snow and good skiing can be found in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"Sunny weather could weaken cornices and snow on steep south-facing slopes. 30-60 cm of recent storm snow is gradually settling and gaining strength, but has shown some isolated signs of reactivity on wind loaded slopes, steep convexities in sheltered terrain (where the snow sits above small surface hoar or sun crusts), and steep gully features at low elevations (where the snow may be poorly bonded to the early February rain crust). These interfaces are unlikely to develop into a persistent problem, but for the next few days storm slabs could remain reactive on these isolated terrain features. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aqo4","text":"A thin sun crust may be found on steep solar aspects. Alpine and exposed treeline areas have seen extensive wind effect, involving multiple layers of wind slab. Soft snow can still be found in sheltered areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fkas7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vl48","text":"A thick rain crust from early February sits 20-70 cm below the surface up to 2100 m. Recent avalanche activity has been observed at the faceting interface between this crust and overlying snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2o48c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ffk9","text":"A well consolidated mid-pack overlies generally weak basal facets that may be possible to trigger in isolated shallow rocky start zones or with large loads.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0},{"offset":110,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"79k11","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects and allowed for widespread surface hoar growth. Soft snow is found on shaded and sheltered aspects, which overlies hard surfaces and potentially buried surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"96del","text":"The midpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8oir8","text":"In the north part of the region (ie. Goldbridge/Duffey/Hurley), a deep instability exist in the snowpack, consisting of a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":133,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"8afpg","text":"Dribs and drabs of snow from the last few days add to last week's phenomenal storm that produced 50 (Kakwa) to 100 (Torpy) cm of storm snow under mild temperatures and moderate wind from the south, southwest and southeast. Most of the observations we're seeing suggest that the copious amount of storm snow arrived warm and it continues to settle out nicely. The storm snow still has has very little slab property, but we're short on observations from more wind effected terrain.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"beblh","text":"The presence of buried surface hoar about 40 to 60 cm below the surface has been confirmed in the Pine Pass, Torpy & Renshaw zones, it may be more widespread throughout the region too. If you're seeing it in your travels please let us know about it!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1g61l","text":"Below all the recent storm snow there is a thin rain crust from the warm, wet storm on Feb 01. This rain crust has been reported to exist up to treeline elevations around 1700 m. No recent activity involving this crust has been reported.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"agssp","text":"Deep in the mid-pack there may still be a layer of surface hoar buried in late December. It's gaining strength, but should remain a concern since snowpack tests still demonstrate this layer has the potential to slide, albeit in isolated areas and/or with very large triggers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"Last week it snowed 40-80 cm, with the greatest accumulations in the northern part of the region. This snow has shown signs of settling and gaining strength over the past few days, with the exception of some wind affected slopes. This recent snow sits above a few different interfaces (a hard rain crust below 1800 m, sun crusts on south-facing slopes, and potentially small surface hoar at treeline), but appears to be bonding well to these interfaces. Sunny weather this week could weaken cornices and surface snow on steep south-facing slopes. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6b2oi","text":"A 20 to 30 cm thick slab has been reactive to human traffic in the past few days. The slab may overly a weak layer of feathery surface hoar crystals in open trees. In the alpine near ridges, the slab has been most reactive on north to east to south aspects due to wind transportation. On south aspects, sunny skies have melted the surface snow, which will be wet during the daytime heat and freeze into a melt-freeze crust during the night.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7gb2","text":"A few other crusts exist in the top 100 cm of the snowpack; reports suggest that the overlying snow is bonding well to them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"Extensive wind effect in exposed alpine terrain with scoured and pressed windward surfaces and hard wind slab in lee features. In sheltered areas, recent snow may sit over patchy surface hoar or crusts on solar aspects and below 1200 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":179,"length":12,"key":0}],"data":{}},{"key":"31shf","text":"A couple of weak layers that formed in January now sit in close proximity to one another 60-120 cm below the surface and continue to give hard results in snowpack tests. Below, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":154,"length":14,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/55232d36-4ed4-4904-86a2-4d5d96da6e6b"}}}}
{"blocks":[{"key":"9st51","text":"Sunny weather could weaken cornices and the upper snowpack on steep south-facing slopes. Surface conditions are a mix of low density snow in sheltered terrain, sun crusts on solar aspects, and isolated wind slabs at higher elevations. At lower elevations (below 1600-2000 m) 20-40 cm of snow sits above a hard rain crust. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic, large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":398,"length":12,"key":0},{"offset":496,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"e0aad","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried by our next snowfall this weekend.  New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. The early February rain crust is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"28uon","text":"Clear skies and an elevated freezing level are warming the snowpack and allowing for widespread surface hoar growth above a crust. The surface snow may become wet and loose during the heat of the day on sun-exposed slopes. Overhanging cornices may also weaken with the heat. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4udj2","text":"The remainder of the snowpack is well-settled. Numerous melt-freeze crusts exist in the snowpack and all reports indicate that overlying layers are bonding well to them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8qo03","text":"The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aqo4","text":"A sun crust may be found on steep solar aspects. Alpine and exposed treeline areas have seen extensive wind effect, involving multiple layers of wind slab. Soft snow can still be found in sheltered areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fkas7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2vl48","text":"A thick rain crust from early February sits 20-70 cm below the surface up to 2100 m. Recent avalanche activity has been observed at the faceting interface between this crust and overlying snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2o48c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ffk9","text":"A well consolidated mid-pack overlies generally weak basal facets that may be possible to trigger in isolated shallow rocky start zones or with large loads.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0},{"offset":110,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"51npt","text":"Last week it snowed 40-80 cm, with the greatest accumulations in the northern part of the region. This snow has shown signs of settling and gaining strength over the past few days, with the exception of some wind affected slopes. This recent snow sits above a few different interfaces (a hard rain crust below 1800 m, sun crusts on south-facing slopes, and potentially small surface hoar at treeline), but appears to be bonding well to these interfaces. Sunny weather this week could weaken cornices and surface snow on steep south-facing slopes. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"A thin sun crust may be found at the surface on steep solar aspects. Variable wind affect in the alpine and near treeline with soft slabs in immediate lees.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1lnid","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c4oug","text":"A thick rain crust sits 30-60 cm below the surface, up to 2100 m. Recent avalanche activity has been observed at the faceting interface between this crust and overlying snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ardh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"alrhf","text":"The bottom 20 cm of the snowpack consists of basal facets and decomposing crusts that have not been an active avalanche problem since December, but could reemerge as a problem after sustained warming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"29usm","text":"Not a lot of change lately. Surface and buried windslabs remain the most significant feature of the snowpack. They could be up to 50cm thick in open areas. Most are solid and stubborn to trigger. There are pockets of either moist snow, or sun crusts on steep solar aspects. Beneath the top 50cm, its the same ol' story. A well settled midpack sitting on a weak basal layer. Snow depths are around 150-170cm at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"79k11","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects and allowed for widespread surface hoar growth. Soft, faceted snow is found on shaded and sheltered aspects, which overlies hard surfaces and potentially buried surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"96del","text":"The midpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8oir8","text":"In the north part of the region (e.g. Duffey/Hurley/Goldbridge), a deep instability exist in the snowpack, consisting of a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":134,"length":19,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}}}}
{"blocks":[{"key":"6b2oi","text":"A 20 to 30 cm thick slab has been reactive to human traffic in the past few days, particularly around Kootenay Pass. The slab may overly a weak layer of feathery surface hoar crystals in open trees. In the alpine near ridges, the slab has been most reactive on north to east to south aspects due to recent wind transportation. On south aspects, sunny skies have melted the surface snow, which may be wet during the daytime heat and freeze into a melt-freeze crust during the night.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7gb2","text":"A few other crusts exist in the top 100 cm of the snowpack; reports suggest that the overlying snow is bonding well to them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9vg7b","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried by our next snowfall this weekend.  New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. The early February rain crust is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9st51","text":"Surface conditions are a mix of low density snow in sheltered terrain, sun crusts on solar aspects, and isolated wind slabs at higher elevations. At lower elevations (below 1600-2000 m) 20-40 cm of snow sits above a hard rain crust. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic, large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":309,"length":12,"key":0},{"offset":407,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"77ms6","text":"Clear skies have formed a melt-freeze crust on sun-exposed aspects, which will moisten during daytime heating. Soft snow can be found on shaded aspects, which overlies hard surfaces and potentially surface hoar in sheltered terrain around treeline. Isolated wind slabs may still linger in steep, lee terrain features in the alpine. The clear skies are allowing for surface hoar to grow, which may become problematic after the next large snowfall.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faikg","text":"The midpack is well-settled. Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is largely dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"20-40 cm of new snow is forecast to fall by the end of the day Friday. Strong winds are redistributing the new snow in alpine and treeline areas. This new snow, in addition to the 10 cm from Wednesday night, sits on a layer of surface hoar in sheltered areas, and a sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":227,"length":12,"key":0}],"data":{}},{"key":"92vbt","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9eaqk","text":"At treeline and below, a patchy layer of small surface hoar crystals may exist 60-80 cm deep in wind sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":47,"length":12,"key":1}],"data":{}},{"key":"2k1j8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"btqjk","text":"A thin layer of facets that formed during the January cold snap is now about 120-170 cm below the surface while an early season crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"b5tnv","text":"Around 5 to 15 cm of snow is expected to fall Friday night, with the most in the north of the region. The snow will fall onto a melt-freeze crust on solar aspects or a weak layer of surface hoar, which was reported to be 4 to 8 mm in size in sheltered terrain. In the north of the region, the surface hoar sits on about 10 to 15 cm of weak and sugary near-surface facets. Friday night's snow will also fall with strong westerly wind, so the deepest deposits will be in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"66ntn","text":"The midpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irs1","text":"In the north part of the region (e.g. Duffey/Hurley/Goldbridge), a deep instability exist in the snowpack, consisting of a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar, with the latest report described here. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":134,"length":19,"key":0},{"offset":258,"length":4,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/a77980e8-f17e-4694-8621-8ab617f0a07f"}}}}
{"blocks":[{"key":"51npt","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried.  New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. The early February rain crust is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"28uon","text":"Around 10 to 15 cm of snow is expected Friday night. The snow will fall onto a weak layer of surface hoar, which was reported to be 10 to 15 mm in size and on all aspects and elevations. The surface hoar overlies a breakable melt-freeze crust, meaning that the surface hoar will likely act as an easy sliding layer for the storm snow. The snow will also fall with strong westerly wind, so the deepest deposits will be in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ac7vv","text":"The remainder of the snowpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8qo03","text":"The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6sqgs","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried. New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. The early February rain crust is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Around 30 to 50 cm of snow accumulated from Thursday night to Friday and around 10 cm more is expected Friday night. This snow has likely formed storm slabs at all elevations. The slabs are likely deepest in lee terrain features, as the snow fell with strong south to west wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bmhnf","text":"These slabs may slide easily where they overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. You may find these layers around 50 and 80 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"9st51","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried. New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. At lower elevations (below 1600-2000 m) 20-40 cm of snow sits above a hard rain crust. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic, large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":502,"length":12,"key":0},{"offset":600,"length":25,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5l4rp","text":"20-30 cm new snow fell on Wednesday/Thursday with additional light amounts since then. This new snow has been redistributed by shifting winds, and wind slabs have been reported on a variety of aspects in exposed terrain. Cornices are reported to be growing in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5f8ao","text":"At White Pass, where snowpack depths are between 180 and 250 cm, the mid and lower snowpack layers are well bonded. In the Wheaton Valley, the base of the thin snowpack comprises mainly of sugary facets and is capped by a breakable crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":196,"length":6,"key":0},{"offset":222,"length":15,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/6212aa26-10f6-4a33-94cb-56964cc52804"}}}}
{"blocks":[{"key":"77ms6","text":"Around 10 to 20 cm of snow is forecast to accumulate Friday night and it will fall with strong southwest wind. This snow may form storm slabs at all elevations. The slabs will likely be deepest in lee terrain features near ridges. The snow may overly a weak layer of surface hoar crystals 5 mm in size and near-surface facets at treeline and alpine elevations or a melt-freeze crust on sun-exposed aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6qfhp","text":"The midpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"e0aad","text":"Clear and sunny skies have formed new surface hoar (size 3-10 mm.) on all but solar aspects where a new sun crust has been formed. This new interface will need to be carefully monitored as it gets buried. New snow falling on this layer will be more reactive than previous storms where the new snow did not fall on a persistent weak layer. The early February rain crust is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"10 cm. of new snow and strong southwesterly winds have redistributed the new snow in exposed alpine and treeline areas, over extensively wind affected old surfaces. In sheltered areas, the new snow falls on a layer of surface hoar, and onto a sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":218,"length":12,"key":0}],"data":{}},{"key":"3g5ls","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b9l7f","text":"An older, patchy layer of small surface hoar crystals a sun crust both from early February may still exist under previous storm snow, 30-60 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":32,"length":12,"key":1}],"data":{}},{"key":"bmjvm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31shf","text":"A couple of weak layers that formed in January are burried in close proximity to one another 80-140 cm below the surface and continue to give hard results in snowpack tests. Below, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":158,"length":14,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/55232d36-4ed4-4904-86a2-4d5d96da6e6b"}}}}
{"blocks":[{"key":"8afpg","text":"One or more buried surface hoar layers are buried in the upper snowpack at depths of around 45-65 cm. Buried surface hoar has been confirmed in the Pine Pass, Torpy & Renshaw zones, it may be more widespread throughout the region too. It's now sufficiently deep to result in a large avalanche if triggered, so this layer should be factored into your decision-making process.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":19,"length":12,"key":0}],"data":{}},{"key":"1g61l","text":"The mid-and lower snowpack layers are generally well-bonded, except for shallow and/or rocky start zones which could harbour weak basal snowpack layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":20,"key":1},{"offset":125,"length":10,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"69khs","text":"Variable winds have stripped many ridge lines and made for windslabs of varying thicknesses in open areas at treeline and above. In most areas these slabs sit on a solid midpack ranging in thickness from 50cm to well over a meter. And, as expected the deep layers are still with us and still concerning for large triggers. The crusts from past warm weather spells are still apparent in valley bottoms, but generally not a problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6b2oi","text":"A dusting of snow is forecast for Saturday, along with strong southwest wind. New wind slabs are likely to form in lee terrain features. The new snow will accumulate onto a widespread layer of feathery surface hoar crystals or a melt-freeze crust on southerly aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2dear","text":"A 20 to 30 cm thick slab has been reactive to human traffic since last weekend, where the snow overlies a weak layer of surface hoar. The slab has been most reactive in open trees in the eastern part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7gb2","text":"The remainder of the snowpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6b2oi","text":"Storm slabs are expected to build over Sunday with around 10 to 20 cm of snow and strong southwest wind. The snow will accumulate onto a widespread layer of feathery surface hoar crystals or a melt-freeze crust on southerly aspects. The surface hoar was reported as being around 6 to 12 mm in size before being buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2dear","text":"A 20 to 30 cm thick slab has been reactive to human traffic since last weekend, where the snow overlies another weak layer of surface hoar. The slab has been most reactive in open trees in the eastern part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b7gb2","text":"The remainder of the snowpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2padj","text":"Trace amounts of new snow overnight, but there was moderate snowfall occurring midday in Saturday. Accumulations could reach 5cm by this evening. Alpine areas exhibit widespread wind slabs on all aspects, whereas at Treeline these slabs are restricted to typical lee and cross-loaded features. Sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"b5tnv","text":"10-25 cm of new snow will fall through the day Sunday. Forecast strong southwest winds are expected to redistribute the new snow at alpine and treeline elevations, loading lee terrain features. 20-30 cm of recent snow now sits over a layer of widespread surface facets, surface hoar in sheltered areas or sun crusts on solar aspects. Storm slabs are expected to slide easily on these weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":262,"length":6,"key":0},{"offset":270,"length":12,"key":1},{"offset":305,"length":10,"key":2}],"data":{}},{"key":"66ntn","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"irs1","text":"In the north part of the region (e.g. Duffey/Hurley/Goldbridge), a deep instability exists in the snowpack, consisting of a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar, with the latest report described here. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":3},{"offset":259,"length":4,"key":4}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}},"4":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/a77980e8-f17e-4694-8621-8ab617f0a07f"}}}}
{"blocks":[{"key":"4miop","text":"5-15 cm of new snow has buried a widespread layer of surface hoar (size 10-20 mm.). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and windward alpine slopes where the layer was flattened by wind before being buried. Surface hoar sitting on a thin sun crust has been reported on lower angle solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive as it settles into a cohesive slab. The early February rain crust down 60-80 cm. is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"77ms6","text":"20-40 cm of new snow is forecast to fall through the day Sunday. Forecast strong southwest winds are expected to redistribute the new snow at alpine and treeline elevations, loading deep deposits into lee features. These storm slabs may slide easily where they overly a layer of widespread surface facets, surface hoar in sheltered areas or sun crusts on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dqqhc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"28uon","text":"15 to 20 cm of snow fell Friday night and another 15 to 25 cm of snow is forecast for Sunday, with periods of very rapid snowfall loading. All this snow is loading a weak layer of surface hoar, which was reported to be 10 to 15 mm in size and on all aspects and elevations. The surface hoar overlies a breakable melt-freeze crust, meaning that the surface hoar will likely act as an easy sliding layer for all the storm snow. The snow will also fall with strong to extreme southwesterly wind, meaning slab properties should develop quickly.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ac7vv","text":"The remainder of the snowpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8qo03","text":"The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"10-15 cm of recent snow has been redistributed by strong westerly winds in exposed alpine and treeline areas. In sheltered areas, the new snow rests on a layer of surface hoar, and on a sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":163,"length":12,"key":0}],"data":{}},{"key":"3g5ls","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b9l7f","text":"An older, patchy layer of small surface hoar crystals and a sun crust both from early February may still exist under previous storm snow, 30-60 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":32,"length":12,"key":1}],"data":{}},{"key":"bmjvm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"31shf","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface and continue to give hard results in snowpack tests. Below, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":157,"length":14,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/55232d36-4ed4-4904-86a2-4d5d96da6e6b"}}}}
{"blocks":[{"key":"63ksf","text":"40 to 70 cm of new snow has likely formed storm slabs at all elevations. The slabs are likely deepest in lee terrain features, as the snow fell with strong south to west wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bmhnf","text":"These slabs may slide easily where they overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. You may find these layers around 50 and 80 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"5-15 cm of new snow has buried a widespread layer of surface hoar (size 5-15 mm.). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and windward alpine slopes where the layer was flattened by wind before being buried.  Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive as it settles into a cohesive slab. The mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"8bfch","text":"5-10 cm of new snow has buried a widespread layer of surface hoar (size 5-20 mm.). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and windward alpine slopes where the layer was flattened by wind before being buried. Surface hoar sitting on a thin sun crust has been reported on lower angle solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive as it settles into a cohesive slab. The early February rain crust down 60-80 cm. is another prominent layer in the upper snowpack that requires monitoring. The mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":53,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"9st51","text":"5 cm of new snow has buried a widespread layer of surface hoar (size 5-15 mm.). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and windward alpine slopes where the layer was flattened by wind before being buried. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects which is a particularly nasty combination. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic, large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":50,"length":12,"key":0},{"offset":471,"length":12,"key":1},{"offset":569,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"ek7bs","text":"Sunday's storm snow is covering a variety of old surfaces including a firm crust on solar aspects, soft faceted snow and surface hoar in sheltered areas, and old wind slabs near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting interface between this crust and overlying snow on February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"3vdl0","text":"Convective flurries have given us bit of snow lately. Not enough to reset the skiing, but enough to take the edge off the surface crust down low. Speaking of crusts, the rain crust is very apparent up to 1950m and slightly higher on solar aspects where we have a sun crust. So far these crusts haven't been a problem. The other issue is the widespread wind slabs. Any open areas seems to have a healthy windslab that was sometimes breaking as we skied.  In general the mid pack is well settled, but we did experience a more \"traditional\" Rockies snowpack today around Mt. Murray. This area was thin and very weak. We often sank to ground while walking up. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aqo4","text":"Sunday/Monday's storm snow is covering a variety of old surfaces including a firm crust on solar aspects, soft faceted snow and possibly surface hoar in sheltered areas, and old wind slabs near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fav5h","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4ndm3","text":"A well consolidated and settled mid-pack overlies generally weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":65,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary/#basal-facets"}}}}
{"blocks":[{"key":"77ms6","text":"30-60 cm of recent snow sits over a layer of widespread surface facets, surface hoar in sheltered areas or sun crusts on solar aspects. Recent avalanche activity indicates a poor bond at this interface. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep deposits into lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":64,"length":6,"key":0},{"offset":72,"length":12,"key":1},{"offset":107,"length":10,"key":2}],"data":{}},{"key":"dqqhc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is believed to be largely dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs). The first sign of activity in several weeks was reported on Saturday, a size 3 slid on glacial ice on a northwest aspect.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"51npt","text":"15-30 cm of recent snow has buried a widespread layer of surface hoar (size 5-15 mm.). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and formed a crust. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"28uon","text":"30-60 cm of recent snow has been redistributed by strong southwest to northwest winds at upper elevations, and sits over a layer of surface hoar on a breakable crust. The surface hoar/crust combo makes an excellent bed surface for avalanches. The remainder of the snowpack is well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":132,"length":12,"key":0},{"offset":159,"length":6,"key":1}],"data":{}},{"key":"8qo03","text":"The snowpack depth varies from around 200 to 250 cm at the peaks of the North Shore mountains (1400 m) and rapidly decreases with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"4miop","text":"15-25 cm of recent snow has buried a widespread layer of surface hoar (size 10-20 mm.). This layer exists at all elevations. This same layer of surface hoar has been reported as sitting on a thin sun crust on solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The early February rain crust down 70-100 cm. is another prominent layer in the upper snowpack that requires monitoring, though there have been no recent avalanches on this layer. The mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"cstks","text":"10-20 cm of recent snow is settling into a storm slab over a layer of widespread surface facets, surface hoar in sheltered areas or sun crusts on solar aspects. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep deposits into lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":89,"length":6,"key":0},{"offset":97,"length":12,"key":1},{"offset":132,"length":10,"key":2}],"data":{}},{"key":"d3hii","text":"An older layer of surface hoar now sits 30-50 cm deep. This weak layer produced significant avalanche activity focesed in the east of the region last week. While it is likely bonding over time, there is uncertainty around remnant reactivity. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"9st51","text":"10-25 cm of recent snow has buried a widespread layer of surface hoar (size 5-15 mm.). This layer exists at all elevations. This same layer of surface hoar may be sitting on a thin sun crust on solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The middle of the snowpack is strong, but the base of the snowpack contains basal facets that have resulted in sporadic, large deep persistent slab avalanches, especially in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0},{"offset":449,"length":12,"key":1},{"offset":547,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"63ksf","text":"40 to 70 cm of new snow has formed storm slabs at all elevations. The slabs are likely deepest in lee alpine terrain features, as the snow fell with strong south to west wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bmhnf","text":"These slabs may slide easily where they overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. You may find these layers around 50 and 80 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dba7m","text":"20-35 cm of recent snow has buried a widespread layer of surface hoar (size 5-20 mm.). This layer exists at all elevations. This same layer of surface hoar has been reported as sitting on a thin sun crust on solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The early February rain crust down 70-100 cm. is another prominent layer in the upper snowpack that requires monitoring. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"epe3","text":"10-15 cm of recent snow has been redistributed by strong westerly winds in exposed alpine and treeline areas. In sheltered areas, the new snow rests on a layer of surface hoar, and on a sun crust on solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":163,"length":12,"key":0}],"data":{}},{"key":"9n3a","text":"An older, patchy layer of small surface hoar crystals and a sun crust both from early February may still exist under previous storm snow, 30-60 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":32,"length":12,"key":1}],"data":{}},{"key":"26j59","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface and continue to give hard results in snowpack tests. Below, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":157,"length":14,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/55232d36-4ed4-4904-86a2-4d5d96da6e6b"}}}}
{"blocks":[{"key":"4miop","text":"15-30 cm of recent snow has buried a widespread layer of surface hoar (size 10-20 mm). This layer exists at all elevations. This same layer of surface hoar has been reported as sitting on a thin sun crust on solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The early February rain crust down 50-100 cm is another prominent layer in the upper snowpack that requires monitoring at lower elevations. The mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"ek7bs","text":"Sunday's storm produced 15 to 25 cm of storm snow which now rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow and surface hoar in sheltered areas, and old wind slabs near ridge crest. The new snow has been formed into variable wind slabs in exposed terrain features, especially those near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting interface between this crust and overlying snow on February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"cstks","text":"15-30 cm of recent snow is settling into a storm slab over a layer of widespread surface facets, surface hoar in sheltered areas or sun crusts on solar aspects. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep deposits into lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":89,"length":6,"key":0},{"offset":97,"length":12,"key":1},{"offset":132,"length":10,"key":2}],"data":{}},{"key":"d3hii","text":"An older layer of surface hoar now sits 30-50 cm deep. This weak layer produced significant avalanche activity focused in the east of the region last week. While it is likely bonding over time, there is uncertainty around remnant reactivity. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"82h3j","text":"The Sunday/Monday storm produced 10 to 35 cm of storm snow which now  rests on a variety of old surfaces including a firm crust on solar  aspects, soft faceted snow and surface hoar in sheltered areas, and old  wind slabs near ridge crest. The new snow has been formed into variable  wind slabs in exposed terrain features, especially those near ridge  crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 30-60 cm below the surface and can be found  up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"77ms6","text":"30-60 cm of recent snow sits over a layer of widespread surface facets, isolated patched of surface hoar in sheltered areas or sun crusts on solar aspects. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep deposits into immediate lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":64,"length":6,"key":0},{"offset":92,"length":12,"key":1},{"offset":127,"length":10,"key":2}],"data":{}},{"key":"dqqhc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is believed to be largely dormant at the moment but appears to be most likely a problem on the eastern side of the region, in alpine terrain, and where there is relatively smooth ground (e.g., glaciers, scree slopes, rock slabs).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"f6e89","text":"The snowpack is currently heavily wind affected in open areas and crusty at low elevations and on south and west facing slopes, but if you're lucky, you can still find powder in sheltered terrain. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"30irq","text":"A weak layer of surface hoar buried about 50 cm below the surface has been a problem around Pine Pass and has also been observed in other parts of the region, such as Torpy, but seems to be less of a problem further south towards McBride. It's now sufficiently deep to result in a large avalanche if triggered, so this layer should be factored into your decision-making process, especially when it is getting stressed by snowfall or warming temperatures.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":16,"length":12,"key":0}],"data":{}},{"key":"f4in7","text":"The mid-and lower snowpack layers are generally well-bonded, except for shallow and/or rocky start zones which could harbour weak basal snowpack layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":20,"key":1},{"offset":125,"length":10,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"63ksf","text":"40 to 70 cm of new snow has formed storm slabs at all elevations. The slabs are likely deepest in lee alpine terrain features, as upper elevations have seen a significant amount of strong wind from the southwest and even a bit of northwest in the last few days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bmhnf","text":"These slabs may slide easily where they overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. You may find these layers around 50 and 80 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February but have recently been unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"15-30 cm of recent snow has buried a widespread layer of surface hoar (size 5-15 mm). This layer exists on all aspects and elevations except for steep solar aspects where it was melted by sun and formed a crust. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"5l4rp","text":"New slabs will form this week as the weather forecast calls for roughly 5-10 cm of snow per day with strong south wind. A storm last week delivered 20-30 cm of snow that has been redistributed by shifting winds, leaving old wind slabs on a variety of aspects in exposed terrain. Cornices are reported to be growing in size as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5f8ao","text":"At White Pass, where snowpack depths are between 180 and 250 cm, the mid and lower snowpack layers are well bonded. In the Wheaton Valley, the base of the thin snowpack comprises mainly of sugary facets and is capped by a breakable crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":196,"length":6,"key":0},{"offset":222,"length":15,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#basal-facets"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/6212aa26-10f6-4a33-94cb-56964cc52804"}}}}
{"blocks":[{"key":"28uon","text":"30-60 cm of recent snow sits over a widespread layer of surface hoar which may sit on a breakable crust on solar aspects. Surface hoar is an exceptionally weak layer not often seen in this region, and the crust makes an excellent bed surface for avalanches. The recent snow which fell fluffy and light and lacking slab property, is settling into a slab with the aid of mild temperatures and strong winds. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":56,"length":12,"key":0},{"offset":97,"length":6,"key":1}],"data":{}},{"key":"8ef00","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d1ijm","text":"As an analogy, think of a mattress (slab) resting on standing dominoes (surface hoar) on top of a glass table (crust). Imagine this configuration on a slope. It would not need to be prodded too hard to start sliding.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ssmj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbdhh","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m) tapering rapidly with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"2g2s8","text":"Around 20 to 30 cm of recent snow covers a widespread layer of surface hoar (size 5-15 mm.) at all elevations. On southeast through southwest facing slopes this surface hoar likely grew on a thin sun crust which is almost a perfectly nasty combination. The middle of the snowpack is strong; however, the base of the snowpack contains basal facets which are responsible for occasional and hard-to-predict large Deep Persistent Slab avalanches in shallow rocky start zones. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":63,"length":12,"key":0},{"offset":334,"length":12,"key":1},{"offset":445,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"68nss","text":"Up to 10cm of low density new snow in the past 24 hours from convective flurries. This snow overlies a variety of previous surfaces including wind slabs in the Alpine and sun crust on solar aspects. The previously formed wind slabs in the Alpine and open areas at Treeline are quite widespread and variable in depth and density. Good quality skiing today at all elevations. Snow profile today at 2200m confirms a strong midpack, but still 40cm of facets and depth hoar on the ground. Stability tests indicate an easy shear under the recent snow, and a hard shear on the basal facets. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dba7m","text":"20-40 cm of recent snow has buried a widespread layer of surface hoar (size 5-20 mm). This layer exists at all elevations. This same layer of surface hoar has been reported as sitting on a thin sun crust on solar aspects which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab. The early February rain crust down 70-100 cm. is another prominent layer in the upper snowpack that requires monitoring. The mid and lower snowpack are generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":57,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"16pnt","text":"Around 20 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"aef0v","text":"The early-February melt-freeze crust down 70-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"63ksf","text":"We're expecting 10 to 20 cm Tuesday night and another 10 to 20 cm Wednesday accompanied by strong southwest wind. Widespread natural storm slab avalanches are expected. This snow adds to the 40 to 70 cm of storm snow that the last storm left in it's wake.  There is potential for \"step down\" avalanche activity as the fresh snow interacts with the 50 to 80 cm deep \"old\" storm slabs that overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February and were largely nonreactive until the Feb 24th avalanche listed above was reported. This kind of storm has the potential to produce some very large avalanches as the snowpack is rapidly loaded.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"In most of the region 10-15 cm of recent snow has been redistributed by strong wind, the alpine is starting to look pretty wind hammered as evidenced by this MIN submission.  Snow totals are deeper in the far north of the region where there is 30 to 60 cm of recent storm snow.  All the new snow rests on surface hoar in sheltered locations and a sun crust on solar aspects. The surface hoar may be very sensitive to human triggering at lower elevations which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":375,"length":129,"style":"BOLD"}],"entityRanges":[{"offset":153,"length":19,"key":0}],"data":{}},{"key":"9n3a","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 30-80 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface and continue to give hard results in snowpack tests. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas.  We're coming into another one of those periods that could wake up the deep slab as we get 5 to 10 cm of snow and strong southwest wind consistently for a couple of days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map/forecasts/northwest-inland?panel=mountain-information-network-submissions/45dd3cd8-adee-43ab-9266-54e42c69bf36"}}}}
{"blocks":[{"key":"ek7bs","text":"Sunday's storm produced 15 to 25 cm of storm snow that has settled to about 18 cm of snow.  This snow rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow and old wind slabs near ridge crest. The new snow has been formed into variable wind slabs in exposed terrain features, especially those near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting interface between this crust and overlying snow on February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"51npt","text":"Around 20 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 15 mm in size. This layer exists on all aspects and elevations except for steep, sun-exposed aspects where it was melted by sun and formed a melt-freeze crust. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects, which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"1g8p0","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"cstks","text":"15-30 cm of recent snow is settling over a layer of surface facets, surface hoar in sheltered shady aspects or sun crusts on solar aspects. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep deposits into lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":60,"length":6,"key":0},{"offset":68,"length":12,"key":1},{"offset":111,"length":10,"key":2}],"data":{}},{"key":"7u329","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d3hii","text":"An older layer of surface hoar now sits 30-50 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"28uon","text":"30-60 cm of recent snow sits over a layer of surface hoar on north-facing (shady) aspects. There may also be areas where the surface hoar sits on a crust, which makes an excellent bed surface for avalanches. Surface hoar is an exceptionally weak layer not often seen in this region. It is expected to persist at least through the week. It is buried deep enough that it is stubborn to human triggers, but may be reactive where overlying snow depths vary due to wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0},{"offset":148,"length":5,"key":1}],"data":{}},{"key":"9ssmj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbdhh","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m) tapering rapidly with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"77ms6","text":"20-40 cm of settling snow sits over old surfaces consisting of surface facets, isolated patched of surface hoar in sheltered areas or sun crusts on solar aspects. Wind affect in the alpine is extremely variable, with reports ranging from minimal soft slab development to wind scoured surfaces and hard slabs. Soft snow is well preserved on sheltered shady aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":6,"key":0},{"offset":99,"length":12,"key":1},{"offset":134,"length":10,"key":2}],"data":{}},{"key":"dqqhc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is believed to be largely dormant at the moment.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"3j8g0","text":"Around 20 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 10 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. The new snow will likely become increasingly reactive to human triggers as it stacks up and settles into a cohesive slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"66onl","text":"The early-February melt-freeze crust down 50-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"el90i","text":"15-30 cm of recent snow, and as high as 50 cm in the Coquihalla, may overly isolated patches of surface hoar in sheltered areas at low elevations or sun crusts on solar aspects. In parts of the region that did not receive wind, the snow remains low density and evenly distributed all except exposed ridgetops. In windier areas, deep wind loaded pockets have been observed in lee features in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":96,"length":12,"key":0},{"offset":149,"length":10,"key":1}],"data":{}},{"key":"7k9hr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"vjap","text":"In the north part of the region (e.g. Duffey/Hurley/Goldbridge), a deep instability exists in the snowpack, consisting of a weak basal facet-crust complex. Sporadic avalanche activity on this layer is keeping it on our radar, with the latest report described here. In the south of the region, including the Coquihalla and Manning areas, there are no concerns about deeply buried weak layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":19,"key":2},{"offset":259,"length":4,"key":3}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#facetcrust-layer"}},"3":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/a77980e8-f17e-4694-8621-8ab617f0a07f"}}}}
{"blocks":[{"key":"9pce6","text":"Strong NW alpine winds is moving our recent 10cm of snow onto SE features. Expect to find soft slabs in lee features and cross loaded gullies on the south to East aspects. Otherwise, there is the wind slab in the alpine and sun crust on solar aspects that was previously formed   that is still on our radar.  Good skiing can be found in sheltered areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2g2s8","text":"Around 10 to 30 cm of recent snow covers a widespread layer of surface hoar (size 5 to 15 mm) that was found at all elevations and on all aspects. On southeast through southwest facing slopes, this surface hoar likely grew on a thin melt-freeze crust, which is a nasty combination. The recent snow has been blown around by variable wind, forming wind slabs at higher elevations, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":63,"length":12,"key":0}],"data":{}},{"key":"8u9n1","text":"The middle of the snowpack is strong. The base of the snowpack contains basal facets, which have been responsible for occasional and hard-to-predict Deep Persistent Slab avalanches in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":12,"key":1},{"offset":184,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"82h3j","text":"The Sunday/Monday storm produced 10 to 35 cm of storm snow which now  rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly surface hoar in sheltered areas, and old wind slabs near ridge crest. The new snow has been formed into variable wind slabs in exposed terrain features, especially those near ridge  crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 30-60 cm below the surface and can be found  up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"ek7bs","text":"Sunday's storm produced 15 to 25 cm of storm snow that has settled to about 20 cm. This snow rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly a spotty surface hoar layer and old wind slabs near ridge crest. The new snow has been formed into variable wind slabs in exposed terrain features, especially those near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. The avalanche listed above is the first activity that we've seen on the crust since February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"77ms6","text":"New snow falls over 20-40 cm of settling snow which may overly surface facets, isolated patched of surface hoar in sheltered areas or sun crusts on solar aspects. Wind affect in the alpine is extremely variable, with reports ranging from minimal soft slab development to wind scoured surfaces and hard slabs. Soft snow is well preserved on sheltered shady aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":71,"length":6,"key":0},{"offset":99,"length":12,"key":1},{"offset":134,"length":10,"key":2}],"data":{}},{"key":"dqqhc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"42n9u","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"16pnt","text":"Around 30 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. This snow has been reactive to human traffic and natural triggers, particularly around treeline and alpine elevations where the overlying snow has slab properties. As this snow continues to gain slab properties with more snow, wind, and warming air temperature, activity on this layer is expected to increase and avalanches will grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"aef0v","text":"The early-February melt-freeze crust down 70-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"cstks","text":"15-30 cm of recent snow is settling over a layer of surface facets, surface hoar in sheltered shady aspects or sun crusts on solar aspects. Warming temperatures and the sun are speeding up settlement in the slab and keeping things touchy on the recent storm interface. In the alpine and exposed treeline, recent snow has been redistributed by strong southwest to northwest wind, loading deep and reactive deposits into lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":60,"length":6,"key":0},{"offset":68,"length":12,"key":1},{"offset":111,"length":10,"key":2}],"data":{}},{"key":"7u329","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d3hii","text":"An older layer of surface hoar now sits 30-50 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"63ksf","text":"15 to 30 cm of new snow fell Tuesday Night into Wednesday and significantly more snow is expected in the next 24 hours.  Widespread natural storm slabs are forming and there is likely a natural avalanche cycle in progress.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"41hbs","text":"This snow adds to the 50 to 80 cm of storm snow that the last storm left in it's wake.  There is potential for \"step down\" avalanche activity as the fresh snow interacts with \"old\" storm slabs that overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February and were largely nonreactive until the Feb 24th avalanche listed above was reported. This kind of storm has the potential to produce some very large avalanches as the snowpack is rapidly loaded.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5l4rp","text":"New slabs will form this week as the weather forecast calls for roughly 10-20 cm of snow per day with strong south wind. Old wind slabs can be felt on a variety of aspects beneath the new snow, and thin sun crusts have been reported on south-facing slopes. Cornices are reported to be growing in size as well.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ehct","text":"At White Pass the snowpack is roughly 200 cm thick and well-bonded, while in the Wheaton Valley the snowpack is much thinner and capped by a breakable crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"30 to 90 cm of snow now overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects with the deeper slabs being found in the north of the region. The alpine has been heavily wind affected as evidenced by this MIN submission. The surface hoar may be very sensitive to human triggering at lower elevations which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":254,"length":129,"style":"BOLD"}],"entityRanges":[{"offset":233,"length":19,"key":0}],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas. We're now in another one of those periods that could wake up the deep slab as we get 5 to 10 cm of snow and strong southwest wind consistently through Friday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map/forecasts/northwest-inland?panel=mountain-information-network-submissions/45dd3cd8-adee-43ab-9266-54e42c69bf36"}}}}
{"blocks":[{"key":"bckl7","text":"30-60 cm of recent snow sits over a layer of surface hoar on north-facing (shady) aspects. Surface hoar is an exceptionally weak layer not often seen in this region. There may also be areas where the buried surface hoar sits on a sun crust, which makes an excellent bed surface for avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0},{"offset":234,"length":5,"key":1}],"data":{}},{"key":"16bhv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"85fi7","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m) tapering rapidly with elevation to no snow below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"3j8g0","text":"Around 30 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 10 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. This snow has been reactive to human traffic and natural triggers, particularly around treeline and alpine elevations where the overlying snow has slab properties. As this snow continues to gain slab properties with more snow, wind, and warming air temperature, activity on this layer is expected to increase and avalanches will grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"66onl","text":"The early-February melt-freeze crust down 50-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"2g2s8","text":"Around 10 to 30 cm of recent snow covers a widespread layer of surface hoar (size 5 to 15 mm) that was found at all elevations and on all aspects. On southeast through southwest facing slopes, this surface hoar may sit on a thin melt-freeze crust, which is a nasty combination. The recent snow has been blown around by variable wind, forming wind slabs at higher elevations, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":63,"length":12,"key":0}],"data":{}},{"key":"8u9n1","text":"The middle of the snowpack is strong. The base of the snowpack contains basal facets, which have been responsible for occasional and hard-to-predict Deep Persistent Slab avalanches in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":12,"key":1},{"offset":184,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"el90i","text":"15-30 cm of recent snow, and as high as 50 cm in the Coquihalla, may overly isolated patches of surface hoar in sheltered areas or sun crusts on solar aspects. Wind slab formation has been variable through the region. Extensive wind slab development has been reported in the western reaches of the region, and is suspected in the Coquihalla. In the northeast of the region, wind loading may be isolated to soft slabs in immediate lees in the alpine.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":96,"length":12,"key":0},{"offset":131,"length":10,"key":1}],"data":{}},{"key":"7k9hr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"vjap","text":"In the north part of the region (ie. Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced recent avalanche activity, with the most recent event on February 17. Rapid warming or heavy loading by new snow/wind/rain events ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"cr40j","text":"Convective flurried continue to roll through, but accumulation is minimal given the sun peaking through the clouds. The windslabs continue to pile up on top of themselves with continued SW winds. There may be pockets of new slabs that are slow to bond, but generally they seem to be quickly settling out and staying where they are supposed to. We do have a couple of crusts to deal with on south aspects and lower elevation areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"51npt","text":"Around 30 to 50 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 15 mm in size. This layer exists on all aspects and elevations except for steep, sun-exposed aspects where it was melted by sun and formed a melt-freeze crust. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects, which is a particularly nasty combination. So far, the overlying snow has been reactive to human activity where the wind has redistributed it, forming a slab. This has been most common around treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"1g8p0","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"82h3j","text":"The 10 to 35 cm of snow from Sunday/Monday has been absolutely hammered by wind Wednesday as evidenced in this MIN submission. Wind was strong enough to get into below treeline features even.  Wind stiffened slabs now rest on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly surface hoar in sheltered areas, and old wind slabs near ridge crest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":106,"length":19,"key":0}],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 30-60 cm below the surface and can be found  up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/6c4b34b1-3dd5-467d-9836-16ff9503f957"}}}}
{"blocks":[{"key":"8hgil","text":"15-40 cm of recent storm snow (closer to 50 cm in the Coquihalla) has been redistributed onto lee features in exposed areas near and above tree line. This snow may overly isolated patches of surface hoar in sheltered areas or sun crusts on solar aspects, and it may remain possible to human trigger. Warming temperatures, 5-10 cm of new snow, and increasing southwest winds on Friday are expected to exacerbate this wind slab problem, especially where it overlies a weaker interface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":94,"length":12,"key":0},{"offset":191,"length":12,"key":1},{"offset":226,"length":10,"key":2}],"data":{}},{"key":"avrtk","text":"In the north part of the region (ie. Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced recent avalanche activity, with the most recent event on February 17. Rapid warming or heavy loading by new snow/wind/rain events has the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"2g2s8","text":"Around 10 to 30 cm of recent snow covers a widespread layer of surface hoar (size 5 to 15 mm) that was found at all elevations and on all aspects. On southeast through southwest facing slopes, this surface hoar may sit on a thin melt-freeze crust, which is a nasty combination. The recent snow has been blown around by variable wind, forming wind slabs at higher elevations, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":63,"length":12,"key":0}],"data":{}},{"key":"8u9n1","text":"The middle of the snowpack is strong. The base of the snowpack contains basal facets, which have been responsible for occasional and hard-to-predict Deep Persistent Slab avalanches in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":12,"key":1},{"offset":184,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"epe3","text":"30 to 50 cm of snow now overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects with the deeper slabs being found in the north of the region. The alpine has been heavily wind affected as evidenced by this MIN submission. The surface hoar may be very sensitive to human triggering at lower elevations which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":254,"length":129,"style":"BOLD"}],"entityRanges":[{"offset":233,"length":19,"key":0}],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas. We're now in another one of those periods that could wake up the deep slab as we get 5 to 10 cm of snow and strong southwest wind consistently through Friday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/45dd3cd8-adee-43ab-9266-54e42c69bf36"}}}}
{"blocks":[{"key":"2j7f","text":"By Friday afternoon, 5-15 cm of snow is forecast to accumulate. Strong winds from the southwest will likely drift the new snow into touchy wind slabs on lee features at upper elevations and may bring cornices to their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"80vv1","text":"30-60 cm of recent snow sits over a layer of surface hoar on north-facing aspects. Surface hoar is an exceptionally weak layer not often seen in this region. There may also be areas where the buried surface hoar sits on a sun crust, which makes an excellent bed surface for avalanches. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":45,"length":12,"key":0},{"offset":226,"length":5,"key":1}],"data":{}},{"key":"rakp","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation. Little snow exists below 1000 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid","target":"_self","url":"https://www.avalanche.ca/glossary#crusts-are-hard-layers-of-snow-usually-created-by-liquid"}}}}
{"blocks":[{"key":"63ksf","text":"By Friday morning the three day storm will have delivered another 30-50 cm of snow to the region and a left storm slabs primed for human triggering. When combined with the previous storm, a total of 50 to 100 cm of snow has fallen in the past week. There is potential for \"step down\" avalanche activity as the fresh snow interacts with \"old\" storm slabs that overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February and were largely nonreactive until the Feb 24th avalanche listed above was reported.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"32u1b","text":"By Friday afternoon, 15-25 cm of forecast snow is expected to form a new layer of concern. Strong winds from the southwest will likely drift the new snow into touchy wind slabs on lee features and bring cornices to their breaking point. Buried 40-70 cm deep, a weak layer of near surface facets facets or surface hoar from February 22 still lingers and has recently shown reactivity.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":295,"length":6,"key":0},{"offset":305,"length":12,"key":1}],"data":{}},{"key":"9vll5","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#faceted-snow","target":"_self","url":"https://www.avalanche.ca/glossary#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"3j8g0","text":"Around 30 to 40 cm of snow overlies a widespread layer of surface hoar that was reported to be between 10 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. This snow has been reactive to human traffic and natural triggers, particularly around treeline and alpine elevations where the overlying snow has slab properties. As this snow continues to gain slab properties with more snow, wind, and a warming trend, activity on this layer is expected to increase and avalanches will grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"66onl","text":"The early-February melt-freeze crust down 50-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"51npt","text":"Around 30 to 50 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 15 mm in size. There is uncertainty on whether this layer is a problem in the northern half of the region. In the southern half, this layer exists on all aspects and elevations except for steep, sun-exposed aspects where it was melted by sun and formed a melt-freeze crust. Surface hoar sitting on a thin sun crust may exist on lower angle solar aspects, which is a particularly nasty combination. So far, the overlying snow has been reactive to human activity where the wind has redistributed it, forming a slab. This has been most common around treeline and alpine elevations in the south of the region. A slight warming trend and more snowfall have the potential of activating this layer in all elevation bands.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"1g8p0","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"82h3j","text":"The 10 to 35 cm of snow from Sunday/Monday has been absolutely hammered by wind Wednesday as evidenced in this MIN submission. Wind was strong enough to get into below treeline features even. Wind stiffened slabs now rest on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly surface hoar in sheltered areas, and old wind slabs near ridge crest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":106,"length":19,"key":0}],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/6c4b34b1-3dd5-467d-9836-16ff9503f957"}}}}
{"blocks":[{"key":"ek7bs","text":"20 cm of settled snow rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly a spotty surface hoar layer and old wind slabs near ridge crest. Recent snow has been blown into variable wind slabs in exposed terrain features, especially those near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetop. The avalanche listed above is the first activity that we've seen on the crust since February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"16pnt","text":"Around 30 to 50 cm of snow overlies a widespread layer of surface hoar that was reported to be between 5 and 20 mm in size and at all elevations. This same layer of surface hoar has been reported as sitting on a thin melt-freeze crust on sun-exposed aspects, which is a particularly nasty combination. This snow has been reactive to human traffic and natural triggers, particularly around treeline and alpine elevations where the overlying snow has slab properties. As this snow continues to gain slab properties with more snow, wind, and a warming trend, activity on this layer is expected to increase and avalanches will grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":58,"length":12,"key":0}],"data":{}},{"key":"aef0v","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"84kt9","text":"20-35 cm cm of recent snow is settling over a layer of near surface facets or surface hoar in sheltered areas at all elevations from February 22nd. Warming temperatures and sun are speeding up cohesion in the slab and promoting touchy conditions on this interface. In the alpine and exposed treeline, recent snow has been redistributed by strong west winds, loading deeper deposits onto lee features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":55,"length":19,"key":0},{"offset":78,"length":12,"key":1}],"data":{}},{"key":"839lg","text":"An older layer of surface hoar from February 13th now sits 50-80 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. Shallower avalanches may have the potential to step-down to this layer. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#faceted-snow"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"63ksf","text":"This week's storm was a doozy, when combined with the previous storm, a total of 60 to 130 cm of snow has fallen in the past week. There is potential for \"step down\" avalanche activity as the fresh snow interacts with \"old\" storm slabs that overly a couple layers of surface hoar that may be found in sheltered terrain at and below treeline or a melt-freeze crust on sun-exposed aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cq7pb","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers produced a few large natural avalanches in early-February and were largely nonreactive until the Feb 24th avalanche listed above was reported.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Friday was quite warm which allowed for further settlement of the upper snowpack. 20 cm of settled snow rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly a spotty surface hoar layer and old wind slabs near ridge crest. Recent snow has been blown into variable wind slabs in exposed terrain features, especially those near ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. The avalanche listed above is the first activity that we've seen on the crust since February 17.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":119,"length":25,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"fponk","text":"Lots of solar radiation crept through the clouds today. All aspects up to 1900m had moist snow and solar aspects up to 2100m also had moist snow. There may be a crust on steep solar tomorrow. Keep that in mind as the new snow arrives! Other than that we're seeing very little change overall. Windslabs on the top, a well settled mid pack and a loose bottom layer. Cornices are building and may shed a layer with tomorrow's new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":192,"length":42,"style":"ITALIC"}],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"The 10 to 35 cm of snow from Sunday/Monday was absolutely hammered by wind Wednesday as evidenced in this MIN submission. Wind was strong enough to get into below treeline features even. Then it got quite warm Friday, the freezing level got to at least 2300 m.  The beat up old snow is now quite warm.  It sits on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly surface hoar in sheltered areas, and old wind slabs near ridge crest, once it cools off it is unlikely to be much of a problem anywhere.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":19,"key":0}],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 30-60 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/6c4b34b1-3dd5-467d-9836-16ff9503f957"}}}}
{"blocks":[{"key":"e9ksb","text":"By Saturday afternoon, 10-20 cm of snow is forecast to accumulate as the freezing level drops below 500 m. Strong winds from the south are expected to switch to the northwest and decrease. This will likely create a complex pattern of reactive wind slabs on lee features at upper elevations and may bring cornices to their breaking point. Buried 40-70 cm deep, a weak layer of near surface facets or surface hoar from February 22 may persist and warrants careful evaluation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":257,"length":12,"key":0},{"offset":376,"length":19,"key":1},{"offset":399,"length":12,"key":2}],"data":{}},{"key":"9e0fv","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#faceted-snow"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"18ajd","text":"20-40 cm cm of snow is settling over a layer of surface hoar in sheltered areas near and above treeline from February 22nd. Recent warm temperatures have promoted cohesion in the slab above, priming this layer for human triggering. This problem combination will be larger where the snow has been drifted by southwest winds into deeper deposits on lee features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":48,"length":12,"key":0}],"data":{}},{"key":"8rrji","text":"An older layer of surface hoar from February 13th now sits 50-80 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. Shallower avalanches may have the potential to step-down to this layer. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}}}}
{"blocks":[{"key":"16pnt","text":"Friday night's forecast  5-15cm of new snow will result in a total of 35-50cm overlying the widespread layer of surface hoar that was reported to be between 5 and 20 mm in size.  This surface hoar layer is showing variability in its reactivity and distribution, but has been reported at all elevations and aspects.  Recent warm temperatures have built slab like properties in this snow, particularly at mid and low elevations, making the persistent layer more reactive as evidence in the avalanche discussion.   As surface snow continues to gain slab properties with more snow, wind, and Friday's warming trend, activity on this layer is expected to increase and avalanches may grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":112,"length":12,"key":0}],"data":{}},{"key":"c206n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b37k0","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"4b5qn","text":"By Saturday afternoon, 10-20 cm of snow is forecast to accumulate as the freezing level drops below 800 m. Strong winds from the south are expected to switch to the northwest and decrease. This will likely create a complex pattern of reactive wind slabs on lee features at upper elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":257,"length":12,"key":0}],"data":{}},{"key":"3ud3b","text":"30-60 cm of recent snow may overlie a layer of surface hoar on north-facing aspects near and above tree line. Surface hoar is an exceptionally weak layer not often seen in this region, and it typically takes longer to heal. This persistent weak layer warrants investigation and a conservative terrain use strategy. This weekend offers a prime opportunity on the coast to dig in the snow to assess these conditions (and to share your observations via the MIN!).","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":47,"length":12,"key":1},{"offset":454,"length":3,"key":2}],"data":{}},{"key":"e4d2u","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#leeward"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#surface-hoar","target":"_self","url":"https://www.avalanche.ca/glossary#surface-hoar"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submit"}}}}
{"blocks":[{"key":"2g2s8","text":"New snow and moderate strong winds are forecast to arrive Friday night into Saturday with a fast moving cold front.  Total precipitations will vary from 5 to 20cm, with more snow forecast in the North and in the higher mountains of the West of the forecast region.. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5h52t","text":"This new snow will build on the previous 10 to 30 cm of recent snow which covers a widespread layer of surface hoar (size 5 to 15 mm) that was found at all elevations and on all aspects.  Recent warm temperatures have built slab like properties in this recent snow, particularly at mid and low elevations.  The recent snow has been blown around by variable wind, forming wind slabs at higher elevations, particularly near ridges.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":103,"length":12,"key":0}],"data":{}},{"key":"8u9n1","text":"The middle of the snowpack is strong. The base of the snowpack contains basal facets, which have been responsible for occasional and hard-to-predict Deep Persistent Slab avalanches in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":12,"key":1},{"offset":184,"length":25,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#surface-hoar","target":"_blank","url":"https://www.avalanche.ca/glossary/#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack","target":"_self","url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}}}}
{"blocks":[{"key":"5l4rp","text":"Around 30 to 50 cm of snow fell in the past few days. This snow will likely remain soft and loose in sheltered terrain but have some slab properties in wind-exposed terrain due to recent southwest wind. The snow may further settle on sun-exposed slopes on Saturday under clear skies. The wind will howl on Sunday and Monday, along with 10 to 20 cm of snow each day. Wind slabs will quickly form.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ai1nl","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ehct","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas to the east of White Pass may have a lower snowpack composed of sugary faceted grains, capped by a breakable melt-freeze crust and wind-affected snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"30 to 50+ cm of snow now overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects with the deeper slabs being found in the north of the region. The alpine has been heavily wind affected as evidenced by this MIN submission. The surface hoar may be very sensitive to human triggering at lower elevations which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":255,"length":129,"style":"BOLD"}],"entityRanges":[{"offset":234,"length":19,"key":0}],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas. We're now in another one of those periods that could wake up the deep slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/45dd3cd8-adee-43ab-9266-54e42c69bf36"}}}}
{"blocks":[{"key":"51npt","text":"Friday night's 5-10cm of new snow will fall with moderate to strong winds and a cooling trend.  This will bring total snowfall overlying the widespread layer of surface hoar that was reported to be between 5 and 15 mm in size to 20-45cm.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":161,"length":12,"key":0}],"data":{}},{"key":"cdh8j","text":"Recent warm temperatures have built slab like properties in this snow, particularly at mid and low elevations, making the persistent layer more reactive as evidenced in the avalanche discussion.  There is variability in the reactivity and distribution of this layer, particularly in the northern half of the region. In the southern half, this layer exists on all aspects and elevations except for steep, sun-exposed aspects where it was melted by sun and formed a melt-freeze crust.  So far, the overlying snow has been reactive to human activity where the wind has redistributed it, forming a slab. This has been most common around treeline and alpine elevations in the south of the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9agnl","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"3j8g0","text":"Friday night's forecast  5-15cm of new snow will result in a total of 35-50cm overlying the widespread layer of surface hoar that was reported to be between 10 and 20 mm in size and at all elevations.  This Surface Hoar layer has been reported at all elevation bands - but is most prominent near treeline and in sheltered alpine locations.    Recent warm temperatures have built slab like properties in this snow, particularly at mid and low elevations, making the persistent layer more reactive as evidence in the avalanche discussion.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":112,"length":12,"key":0}],"data":{}},{"key":"2rd5i","text":"Across the region, this surface hoar layer is showing variability in its distribution and reactivity.  This persistent weak layer has been most reactive to human traffic and natural trigger around treeline and alpine elevations where the overlying snow has slab properties and surface hoar is large. As this snow continues to gain slab properties with more snow, wind, and Friday's warming trend, activity on this layer is expected to increase and avalanches may grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"66onl","text":"The early-February melt-freeze crust down 50-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#surface-hoar"}}}}
{"blocks":[{"key":"6qm9u","text":"20-30 cm of snow has accumulated since Friday, with 30+cm in the south of the region (i.e. Coquihalla). Strong winds from the south switched to the northwest and decreased. The winds redistributed the storm snow into a complex pattern of reactive wind slabs on lee features at upper elevations and rapidly loaded cornices. Periods of sun on Sunday are expected to initiate pinwheeling and rollerballs from strong solar radiation on steep, sunny slopes. Ice climbers should monitor for the effect of solar radiation on overhead snow and for the potential for small loose wet avalanches to have consequences.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3fm3k","text":"Buried 40-70 cm deep, a weak layer of sugary faceted snow and feathery surface hoar from February 22 may persist and warrants careful evaluation, particularly in the northern part of the region (i.e. Duffey/Hurley/Goldbridge). On south-facing slopes, this weak layer may be combined with a melt freeze crust. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":330,"length":15,"key":0}],"data":{}},{"key":"2l13k","text":"Also in the northern part of the region (i.e. Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced recent avalanche activity since February 12th. Rapid warming or heavy loading by new snow/wind/rain events has the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"58o1m","text":"5-10 cm of snow fell on Saturday with moderate ridge-top winds from the southwest drifting it onto immediate lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"b6fjl","text":"A total 30-50 cm of snow is settling over a layer of feathery surface hoar in sheltered areas near and above treeline from February 22nd. Recent warm temperatures have promoted cohesion in the slab above, priming this layer for human triggering. This problem will be larger where the snow has been drifted by southwest winds into deeper deposits on lee features. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":384,"length":15,"key":0}],"data":{}},{"key":"a910t","text":"An older layer of surface hoar from February 13th now sits 50-80 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. Shallower avalanches may have the potential to step-down to this layer. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"diadd","text":"15cm of snow has fallen over the past 24hrs at treeline and above.  This new snow has been blown around by moderate to strong westerly winds building new windslabs at treeline and above.  Forecasters did notice some cracking up to 20cm deep in treeline features and we do expect the windslabs to be deeper and more reactive in the alpine.  Carefully evaluate these new windslabs especially in areas where they are overlying the temperature crust that developed on friday. Cornices are large and growing....  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2g2s8","text":"5-20cm of snow fell Friday into Saturday, with highest amounts reported in the North and Western mountainous areas of the forecast region.  Winds were moderate to strong from the Southwest as new snow fell.   This new snow likely formed widespread wind affect and wind slab in Alpine and exposed treeline locations, particularly near ridges.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"56fgf","text":"30-45 cm of recent snow now overlays the widespread Surface Hoar (size 5 to 15 mm) that was found at all elevations and on all aspects.  Recent warm temperatures have built slab like properties in this recent snow, particularly at mid and low elevations.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8u9n1","text":"The middle of the snowpack is strong. The base of the snowpack contains basal facets, which have been responsible for occasional and hard-to-predict Deep Persistent Slab avalanches in shallow, rocky start zones.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":72,"length":12,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"8jla8","text":"20-30 cm of snow has accumulated since Friday. Strong winds from the south switched to the northwest and decreased. The winds redistributed the storm snow into a complex pattern of reactive wind slabs on lee features at upper elevations and rapidly loaded cornices. Periods of strong solar radiation on Sunday are expected to initiate pinwheeling and rollerballs on steep, sunny slopes, with the potential to trigger small wet loose avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ful0a","text":"Buried 40-70 cm deep, a weak layer of sugary faceted snow and feathery surface hoar from February 22 may persist and warrants careful evaluation. On south-facing slopes, this weak layer may be combined with a melt freeze crust. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":249,"length":15,"key":0}],"data":{}},{"key":"41ieu","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"51npt","text":"10-25cm of snow fell across the region Friday into Saturday with more snow reported in the North and adjacent to highest of mountains.  Winds were moderate to strong from the Southwest as new snow fell.   This new snow likely formed widespread wind affect and wind slab in Alpine and exposed treeline locations, particularly near ridges.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eho8q","text":"40-70 cm or recent snow now overlays the widespread Surface Hoar (size 5 to 15 mm) that was found at all elevations and on all aspects.  Recent warm temperatures have built slab like properties in this recent snow, particularly at mid and low elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cdh8j","text":"There is variability in the reactivity and distribution of this layer, particularly in the northern half of the region. In the southern half, this layer exists on all aspects and elevations except for steep, sun-exposed aspects where it was melted by sun and formed a melt-freeze crust.  So far, the overlying snow has been reactive to human activity where the wind has redistributed it, forming a slab. This has been most common around treeline and alpine elevations in the south of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9agnl","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"Last week's storm was a doozy, when combined with the previous storm, a total of 60 to 130 cm of snow has fallen in the past week. This snow is resting on a layer of surface hoar that was buried on February 19th.  This layer seems to be quite widespread and remains sensitive to human triggers.  On solar aspects (south through west) this surface hoar may be resting on a buried crust which could be a very problematic setup.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2sd98","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fpjvq","text":"Below about 1800 m a crust can be found on the surface due to recent warm temperatures and rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c5v89","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ep6ma","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers produced a few large natural avalanches in early-February and then another very large avalanche on February 24th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Friday was quite warm which allowed for further settlement of the upper snowpack. 20 cm of well settled snow rests on a variety of old surfaces including a firm crust on solar aspects, soft faceted snow, possibly a spotty surface hoar layer and old wind slabs near ridge crest. Wind slabs are unlikely to be a problem, except in the highest elevation and more extreme terrain near ridge crest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. We have only seen one avalanche on this layer since February 17th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"16pnt","text":"Recent snowfall amounts of 5-30 cm from Friday into Saturday's storm bring total snow overlying the widespread layer of Surface Hoar layer to 35-60 cm.  Higher amounts were reported in the north of the forecast region.   Winds were moderate to strong from the Southwest as new snow fell.   This new snow likely formed widespread wind affect and wind slab in Alpine and exposed treeline locations, particularly near ridges. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ei95e","text":"Not only may there be weakness within this recent storm snow, but a significant load has been added to an already problematic Surface Hoar layer that was was reported to be between 10 and 20 mm in size. This surface hoar layer is showing variability in its reactivity and distribution, but has been reported at all elevations and aspects.  Recent warm temperatures have built slab like properties in this snow, particularly at mid and low elevations, making the persistent layer more reactive as evidence in the avalanche discussion.   As surface snow continues to gain slab properties with more snow, wind, and fluctuating freezing levels, activity on this layer is expected to increase and avalanches may continue to grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c206n","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3j8g0","text":"Recent snowfall amounts of 10-30 cm from Friday into Saturday's storm bring total snow overlying the widespread layer of Surface Hoar layer to 40-60 cm.  Not only may there be weakness within this recent storm snow, but a significant load has been added to an already problematic Surface Hoar layer that was was reported to be between 10 and 20 mm in size.  This Surface Hoar layer has been reported on all aspects at all elevation bands - but is most prominent near treeline and in sheltered alpine locations. On Solar aspects there is also a suncrust associated with the surface hoar, which is a nasty combination.   Recent warm temperatures have built slab like properties in this snow, particularly at mid and low elevations, making the persistent layer more reactive.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2rd5i","text":"Across the region, this surface hoar layer is showing variability in its distribution and reactivity.  This persistent weak layer has been most reactive to human traffic and natural trigger around treeline and alpine elevations where the overlying snow has slab properties and surface hoar is large. As this snow continues to gain slab properties activity on this layer is expected to increase and avalanches may grow in size.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"66onl","text":"The early-February melt-freeze crust down 50-100 cm is dormant but should be monitored. The remainder of the mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"The 10 to 35 cm of snow from Sunday/Monday was absolutely hammered by wind Wednesday as evidenced in this MIN submission. Wind was strong enough to get into below treeline features even. Then it got quite warm Friday, the freezing level got to at least 2300 m.  The beat up old snow got quite warm and a crust is likely forming on the surface now.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":101,"length":19,"key":0}],"data":{}},{"key":"7bkfm","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/6c4b34b1-3dd5-467d-9836-16ff9503f957"}}}}
{"blocks":[{"key":"20cod","text":"20-30 cm of snow has accumulated since Friday. Strong winds from the south switched to the northwest and decreased. The winds redistributed the storm snow into a complex pattern of reactive wind slabs on lee features at upper elevations and rapidly loaded cornices. Periods of strong solar radiation on Sunday are expected to initiate pinwheeling and rollerballs on steep, sunny slopes, with the potential to trigger small wet loose avalanches.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eg255","text":"40-70 cm of recent snow may overlie a layer of surface hoar on north-facing aspects near and above tree line. Surface hoar is an exceptionally weak layer not often seen in this region, and it typically takes longer to heal. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions. This weekend offers a prime opportunity on the coast to dig in the snow to assess these conditions (and to share your observations via the MIN!). ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":336,"length":15,"key":0},{"offset":540,"length":3,"key":1}],"data":{}},{"key":"7ksp4","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submit"}}}}
{"blocks":[{"key":"epe3","text":"30 to 50+ cm of snow now overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects with the deeper slabs being found in the north of the region. The alpine has been heavily wind affected as evidenced by this MIN submission. The surface hoar may be very sensitive to human triggering at lower elevations which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":234,"length":19,"key":0}],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas. We're now in another one of those periods that could wake up the deep slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/7bb1086f-2ee4-4fe4-a2bf-df961131c67a"}}}}
{"blocks":[{"key":"63ksf","text":"As of 15:00 Sunday 10 cm has fallen across the region with moderate wind out of the west and northwest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4b7dv","text":"Last week's storm was a doozy, when combined with the previous storm, a total of 60 to 130 cm of snow fell week. This snow is resting on a layer of surface hoar that was buried on February 19th.  This layer seems to be quite widespread and remains sensitive to human triggers.  On solar aspects (south through west) this surface hoar may be resting on a buried crust which could be a very problematic setup.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d6fc2","text":"Below about 1000 m a crust can be found just under the new snow due to recent warm temperatures and rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"enfhd","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers produced a few large natural avalanches in early-February, another very large avalanche on February 24th, and then a very large explosvie triggered avalanche on February 29th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"96skp","text":"Recent wind has redistributed surface snow in the alpine and exposed treeline, loading snow into  lee terrain features. Fresh wind slabs will continue to form as the wind picks up again Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"oj5o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bkin","text":"A weak layer of widespread surface hoar sits 40-70 cm deep. On solar aspects it sits on a sun crust which makes an excellent bed surface for avalanches. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":465,"length":15,"key":0}],"data":{}},{"key":"9btu6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3bo19","text":"The early-February melt-freeze crust down 50-100 cm is dormant but still on our radar. The mid and lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Recent wind has redistributed surface snow in the alpine and exposed treeline, loading snow into lee terrain features. Fresh wind slabs will continue to form as the wind picks up again Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iast","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904p7","text":"A weak layer of widespread surface hoar sits 30-60 cm deep. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":372,"length":15,"key":0}],"data":{}},{"key":"e9f8m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8pr","text":"The mid and lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"fbaqh","text":"Recent wind has redistributed surface snow in the alpine and exposed treeline, loading snow into lee terrain features. Fresh wind slab development will be deepest and most reactive in the north of the region, where 20 cm of snow fell on the weekend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48j6c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"u6o","text":"A weak layer of widespread surface hoar sits 20-40 cm deep. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":372,"length":15,"key":0}],"data":{}},{"key":"tm06","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fm49","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for occasional and hard-to-predict deep persistent slab avalanches usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"635h5","text":"Another 10cm of snow fell on Sunday giving us 25cm of recent snow.  But...the winds arrived today and wow did it blow the snow around.  Widespread windslabs can be expected in alpine terrain and down into treeline.  Warm temps also made the snow moist on steep solar aspects and a few loose wet slides were observed later in the day.  Sheltered arounds at treeline and below will hold hope for good skiing!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ba78d","text":"Incremental snowfall and strong winds from the southwest are expected to continue to build reactive wind slabs at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"a65mk","text":"A total 30-50 cm of snow is settling over a layer of feathery surface hoar in open, sheltered areas near and above upper tree line. Recent warm temperatures have promoted cohesion in the slab above, priming this layer for human triggering. This problem will be larger where the snow has been drifted by southwest winds into deeper deposits on lee features. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":378,"length":15,"key":0}],"data":{}},{"key":"5nu7e","text":"An older layer of surface hoar from February 13th now sits 60-80 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. Shallower avalanches may have the potential to step-down to this layer. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"A few cm fell Sunday which may preserve yet another layer of surface hoar.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"76rr3","text":"30 to 50+ cm of settled snow overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects with the deeper slabs being found in the north of the region. The alpine has been heavily wind affected as evidenced by this MIN submission. The surface hoar may be most sensitive to human triggering at treeline which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":238,"length":19,"key":0}],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind and by large loads or from thin, rocky areas. We're now in another one of those periods that could wake up the deep slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/7bb1086f-2ee4-4fe4-a2bf-df961131c67a"}}}}
{"blocks":[{"key":"5bvpj","text":"20-30 cm of snow has accumulated since Friday. Strong winds from the south switched to the northwest. The winds redistributed the storm snow into a complex pattern of wind slabs on lee features at upper elevations and rapidly loaded cornices. Periods of strong solar radiation over the weekend warmed the recent snow on steep, sunny slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9jifg","text":"40-70 cm of recent snow may overlie a layer of surface hoar on north-facing aspects near and above tree line, and observers have reported reactivity in snowpack tests. Check out this helpful MIN that illustrates this problem. Surface hoar is an exceptionally weak layer not often seen in this region, and it typically takes longer to heal. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":191,"length":3,"key":0},{"offset":452,"length":15,"key":1}],"data":{}},{"key":"3c8jt","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8bbf01e2-9a78-4413-8d66-f2844b9ff232"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"82h3j","text":"The South Rockies picked up at about 7 cm of snow Saturday night accompanied by moderate to strong wind out of the southwest which has formed thin wind slabs in high elevation terrain, especially that immediately lee of ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d1sqi","text":"Under this new snow is a crust that may extend as high as 2300 m on solar aspects. It is present on all aspects to 1700 m.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"et53l","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Friday was quite warm which allowed for further settlement of the upper snowpack, it also allowed for the formation of a crust.  This new crust can be found on the surface up to 2000 m on solar aspects and up to 1700 m on all other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3phue","text":"Wind slabs have grown old and tired, even at ridge crest. Wind slabs are unlikely to be a problem, except at the highest elevation and more extreme terrain near ridge crest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. We have only seen one avalanche on this layer since February 17th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahv0o","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2gh4q","text":"Incremental snowfall and strong winds from the southwest are expected to continue to build reactive wind slabs at upper elevations. 20-30 cm of snow has accumulated since Friday, with 30+cm in the south of the region (i.e. Coquihalla). Strong southwest winds have been redistributing the storm snow into wind slabs on lee features at upper elevations and rapidly loading cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6ojdu","text":"In the northern part of the region (i.e. Duffey/Hurley/Goldbridge), a weak layer of sugary faceted snow and feathery surface hoar from February 22 may be buried 40-70 cm deep and warrants careful evaluation. There is high uncertainty regarding the distribution of this weak layer in the region. However, where it does exist, conditions may be prime for human-triggering. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":392,"length":15,"key":0}],"data":{}},{"key":"4m3lt","text":"Also in the northern part of the region (i.e. Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced recent avalanche activity since February 17th. Rapid warming or heavy loading by new snow/wind/rain events have the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"3ukn1","text":"Recent wind has redistributed surface snow in the alpine and exposed treeline, loading snow into  lee terrain features. Fresh wind slabs will continue to form as the wind picks up again Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k4f1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3450i","text":"In the south of the region, a weak layer of widespread surface hoar sits 40-70 cm deep. On solar aspects it may sit on a sun crust which makes an excellent bed surface for avalanches. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!  There is uncertainty about the distribution of this layer in the north of the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":496,"length":15,"key":0}],"data":{}},{"key":"5tfg6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7pa0q","text":"The mid and lower snowpack is generally well-settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6n55l","text":"20-30 cm of snow has accumulated since Friday. Strong winds redistributed the storm snow into reactive wind slabs on lee features at upper elevations and rapidly loaded cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"57v4j","text":"Buried 50-80 cm deep, a weak layer of sugary faceted snow and feathery surface hoar from February 22 may persist and warrants careful evaluation. Operators observed recent reactivity in snowpack tests and reported whumpfing in terrain near Tricouni. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":271,"length":15,"key":0}],"data":{}},{"key":"4nj8v","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"3ukn1","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k4f1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3450i","text":"A weak layer of widespread surface hoar sits 60-80 cm deep, ontop of a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog! There is uncertainty about the distribution of this layer in the north of the region. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":361,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"f6e89","text":"New storm and wind slabs will form throughout the week as a series of frontal systems bring more snow and wind to the region. This new snow will add to 25-50 cm of heavily wind-affected snow from the weekend (although sheltered terrain may still hold low density powder). There are a couple of crusts beneath recent storm snow including a rain crust below 1200 m and sun crusts on south and west facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"auoo9","text":"Recent observations suggest the lower snowpack is strong and well-bonded in many parts of the region. However, given the large extent of the region it remains important to understand snowpack conditions in your local riding area. The Pine Pass area has a layer of surface hoar roughly 100 cm below the surface that was a problem around treeline elevations in mid-February, but appears have gained strength since then. The eastern slopes of the Rockies have many shallow rocky slopes that could harbour weak basal facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":264,"length":12,"key":0},{"offset":462,"length":20,"key":1},{"offset":507,"length":12,"key":2}],"data":{}},{"key":"2pbhp","text":"Cornices have grown large and should be given wide berth, especially if you're travelling on ridge lines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/7738ce3a-79c6-4b63-8b3b-e7eb9ba46f4b"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary/#a-shallow-rocky-start-zone-is-an-area-of-the-snowpack"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"fbaqh","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48j6c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"u6o","text":"A weak layer of widespread surface hoar sits 20-50 cm deep. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":372,"length":15,"key":0}],"data":{}},{"key":"tm06","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fm49","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for occasional and hard-to-predict deep persistent slab avalanches usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"3grkp","text":"Incremental snowfall and strong winds from the southwest are expected to continue to build reactive wind slabs at upper elevations. 20-30 cm of snow has accumulated since Friday (30+cm near the Coquihalla), with winds redistributing the storm snow into slabs on lee features and rapidly loading cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9fb67","text":"A weak layer of sugary faceted snow (and possibly feathery surface hoar in isolated areas) from February 22 may be found 40-70 cm deep. Although there has been little avalanche activity on this layer, recent snowpack test results suggest that a propensity for human triggering may still linger. See this MIN for a helpful illustration.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":304,"length":3,"key":0}],"data":{}},{"key":"4o26t","text":"In the northern part of the region (i.e. Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced recent avalanche activity since February 17th. Rapid warming or heavy loading by new snow/wind/rain events have the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/60fbb69b-275a-4f03-bf32-975a7347a242"}}}}
{"blocks":[{"key":"96skp","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"oj5o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bkin","text":"A weak layer of widespread surface hoar sits 40-70 cm deep. It sits over a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":365,"length":15,"key":0}],"data":{}},{"key":"9btu6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3bo19","text":"The early February melt-freeze crust down 50-100 cm is dormant but still on our radar. The mid and lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"635h5","text":"Widespread windslabs can be expected in alpine terrain and down into treeline.  Warm temps also made the snow moist on steep solar aspects and a few loose wet slides were observed later in the day.  Sheltered arounds at treeline and below will hold hope for good skiing but these areas are trickier and trickier to find.  Starting to feel like spring out there!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5gojm","text":"Up to 15 cm of new snow and strong winds from the west are expected to continue to build reactive wind slabs at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8euom","text":"40-70 cm of recent snow may overlie a layer of surface hoar on north-facing aspects near and above treeline, and observers have reported reactivity in snowpack tests. See this MIN for a helpful illustration. Surface hoar is an exceptionally weak layer not often seen in this region, and it typically takes longer to heal. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":176,"length":3,"key":0},{"offset":434,"length":15,"key":1}],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well settled. Depth varies from around 250 to 300 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8bbf01e2-9a78-4413-8d66-f2844b9ff232"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"Extreme wind from the southwest and northwest have hammered open terrain, scouring some slopes and forming hard wind deposits in other slopes. Another 15-30 cm of snow by Tuesday afternoon accompanied with strong wind will form more fresh wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8n7me","text":"30 to 50+ cm of settled snow overlies the Feb 19 surface hoar in sheltered locations and a sun crust on solar aspects, with the deeper slabs being found in the north of the region. The surface hoar may be most sensitive to human triggering at treeline which is a bit different setup than we're used to.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8s719","text":"There are few different persistent weak layers (PWL's) we're watching in the mid and lower snowpack. A patchy layer of small surface hoar crystals and a sun crust both from early February are now 40 to 100 cm deep. A couple of weak layers that formed in January are buried in proximity to one another 80-140 cm below the surface. Below that, an early season crust lurks at the base of the snowpack. Some large avalanches have been triggered on these layers, usually during periods of rapid loading by new snow or wind or from large loads such as collapsing cornices. We're now in another one of those periods that could wake up the deep slab problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5l4rp","text":"A storm arriving Saturday afternoon continues to hammer White Pass with strong south wind, causing extensive wind slab and cornice growth in open terrain. Mild temperatures have likely caused last week's 30-50 cm of powder to settle rapidly. On open south-facing slopes the storm snow sits above a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"du0k2","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas to the east of White Pass may have a lower snowpack composed of sugary faceted grains, capped by a breakable melt-freeze crust and wind-affected snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Friday was quite warm which settled the upper snowpack and resulted in a crust that can be found on the surface up to 2000 m on solar aspects and up to 1700 m on all other aspects. Wind slabs have grown old and tired, even at ridge crest. Wind slabs are unlikely to be a problem, except at the highest elevation and more extreme terrain near ridge crest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3k3se","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8rf5u","text":"Incremental snowfall and strong winds from the southwest continue to build reactive wind slabs at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cns55","text":"A total 30-50 cm of snow is settling over a layer of feathery surface hoar in open, sheltered areas near and above upper treeline. Warm temperatures last week promoted cohesion in the slab above, priming this layer for human triggering. This problem will be larger where the snow has been drifted by southwest winds into deeper deposits on lee features. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":375,"length":15,"key":0}],"data":{}},{"key":"67b22","text":"An older layer of surface hoar from February 13th now sits 60-80 cm deep. This weak layer produced significant avalanche activity focused in the east of the region prior to the last storm. While it is likely bonding over time, there is uncertainty around remnant reactivity. Shallower avalanches may have the potential to step-down to this layer. The remainder of the snowpack is well settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"1rdjr","text":"Incremental snowfall and strong winds from the southwest are expected to continue to build reactive wind slabs at upper elevations. 20-30 cm of snow has accumulated since Friday. Strong winds redistributed the storm snow into reactive wind slabs on lee features at upper elevations and rapidly loaded cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"90urc","text":"Buried 40-70 cm deep, a weak layer of sugary faceted snow and feathery surface hoar from February 22 may persist and warrants careful evaluation. Operators observed recent reactivity in snowpack tests and reported whumpfing and collapsing while travelling through terrain. See this MIN  and check out the forecaster blog to dive deeper into these conditions. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":282,"length":3,"key":0},{"offset":305,"length":15,"key":1}],"data":{}},{"key":"5q825","text":"Faceted snow and crusts exist near the base of the snowpack in much of the region. This layer is has been dormant recently.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/8967e2fe-c7b7-438a-9171-4593f5cf0be0"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"82h3j","text":"The South Rockies picked up at about 7 cm of snow over the weekend, followed by strong to extreme wind out of the southwest which has formed thin wind slabs in high elevation terrain, especially that immediately lee of ridge crest.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d1sqi","text":"Under this new snow is a crust that may extend as high as 2300 m on solar aspects. It is present on all aspects to 1700 m.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"et53l","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70eq3","text":"The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iast","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904p7","text":"A weak layer of widespread surface hoar sits 40-70 cm deep, ontop of a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":361,"length":15,"key":0}],"data":{}},{"key":"e9f8m","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8pr","text":"The mid and lower snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"63ksf","text":"New storm slabs will form throughout the week with significant snow and wind in the forecast. Another 20-40 cm is expected between Monday and Tuesday afternoon, which will add to 15-30 cm from Sunday. This all sits above a layer of surface hoar that was buried on March 1st, which will likely make for extra reactive storm slabs. Another widespread layer of surface hoar that was buried on February 19th is now 100-150 cm below the surface and has been sensitive to human triggering over the past week. On solar aspects (south through west) this surface hoar may be resting on a buried crust which could be a very problematic setup. Below about 1000 m a crust can be found just under recent snow due to recent warm temperatures and rain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"enfhd","text":"A thin layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers produced a few large natural avalanches in early-February, another very large avalanche on February 24th, and then a very large explosvie triggered avalanche on February 29th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"The next storm on Tuesday night will drop anywhere from 15 to 30 cm of snow across the region, followed by some sunny skies on Wednesday. The snow may consolidate into a storm slab and it may moisten on sun-exposed slopes but stay dry on shaded slopes. The wind will be strong from the west during the storm, so expect wind slab development in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 50 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":477,"length":15,"key":0}],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"Extreme wind from the southwest, west, and northwest has hammered open terrain, scouring some slopes and forming wind slabs on other slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e1fj6","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-50 cm below the surface. The surface hoar may be most sensitive to human triggering at treeline which is a bit different setup than we're used to. A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"New storm slabs will continue to form throughout the week with significant snow and wind in the forecast. There will be a lull between storms on Wednesday, but 15-30 cm of fresh snow snow from Tuesday will leave widespread and reactive storm slabs, especially on wind loaded slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f964t","text":"Recent storms have buried two layers of surface hoar that continue to be reactive and produce large avalanches. One layer was buried on March 1st and is currently 30-60 cm below the surface, the other was buried on February 19th and is currently 75-125 cm below the surface. On solar aspects (south through west) surface hoar may be resting on a buried crust which could be a very problematic setup. A rain crust can be found up to roughly 1000 m, but you should be very suspect of slopes at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"mg6g","text":"Up to 5cm in the past 24 hours adds to the recent storm snow totals of nearly 30cm. This recent snow has been redistributed by persistent strong to extreme SW winds. Expect wind slabs in virtually all terrain features except the most sheltered of areas. These wind slabs are reactive to skier triggering in steeper terrain. Cornices are also quite large, and more failures have occurred in recent days. Otherwise the mid pack remains dense and strong in traditionally thicker snowpack areas (generally further west closer to the divide). The basal facets remain a concern in the back of our mind as they appear to be with us for the entire season.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5t13k","text":"The next storm on Tuesday night will drop around 10 to 15 cm of snow for most of the region, though amounts upward of 25 cm are possible around Coquihalla. A mix of sun and cloud is then forecast for Wednesday. The snow may consolidate into a storm slab and it may moisten on sun-exposed slopes but stay dry on shaded slopes. The wind will be strong from the west during the storm, so expect wind slab development in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8cvad","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 40 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":477,"length":15,"key":0}],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced an avalanche since February 17th. Rapid warming or heavy loading by new snow/wind/rain events have the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"New storm slabs are forming in snowier areas of the region, with 25 cm falling in some areas by end of the day Wednesday with light to moderate westerly wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iast","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904p7","text":"A weak layer of widespread surface hoar sits 40-70 cm deep, ontop of a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":361,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"3ukn1","text":"Incremental snowfall and strong winds continue to build deep pockets of fresh wind slab in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5k4f1","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3450i","text":"A weak layer of widespread surface hoar sits 60-90 cm deep. There is uncertainty about the distribution and reactivity of this layer especially in the north of the region. Read more about surface hoar on our forecaster blog! ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":208,"length":15,"key":0}],"data":{}},{"key":"aqcr7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70jhm","text":"The early February melt-freeze crust down 80-120 cm has not been associated with avalanche activity but still gives results in snowpack tests.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"5-15 cm of new snow and strong wind will form isolated wind slabs in alpine terrain on Wednesday. A crust can be found near the surface up to 2000 m on solar aspects and up to 1700 m on all other aspects. Alpine terrain is heavily wind affected.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridge top. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"96skp","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"oj5o","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9bkin","text":"A weak layer of widespread surface hoar sits 40-70 cm deep. It may sit over a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":368,"length":15,"key":0}],"data":{}},{"key":"9btu6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3bo19","text":"The early February melt-freeze crust down 80-120 cm has not been associated with avalanche activity but is still active in snowpack tests.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"82h3j","text":"Strong to extreme wind has hammered open terrain, scouring some slopes and forming wind slabs on other slopes. A crust can be found near the surface up to 2300 m on solar aspects and up to 1700 m on all other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"et53l","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"fbaqh","text":"Light overnight snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48j6c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"u6o","text":"A weak layer of surface hoar sits 20-60 cm deep. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind at upper elevations and mild temperatures at lower elevations. As slab character increases, so do reactivity and size of avalanches failing on the weak layer (surface hoar). Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":361,"length":15,"key":0}],"data":{}},{"key":"tm06","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fm49","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for occasional and hard to predict deep persistent slab avalanches usually triggered from shallow, rocky start zones. No activity has been observed on these layers in the past week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"907vm","text":"Another 15cm of new snow in past 24 hours brings recent storm snow totals to near 45cm. Extreme westerly winds have stripped west aspects down to bare rock and redistributed significant amounts of snow on N, NE and E aspects. Expect extensive wind slab development on lee and cross-loaded features. These slabs could easily be 100cm deep in places. Human triggering is very likely and a natural avalanche cycle is a real possibility in the next couple of days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Alpine terrain is heavily wind affected. A crust can be found near the surface up to 2000 m on solar aspects and up to 1700 m on all other aspects. By midday Thursday warm sunny weather may melt the surface on south-facing slopes and below roughly 1800 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetops. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Incremental snowfall and strong winds are building reactive wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"clm43","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dst4t","text":"A weak layer of widespread surface hoar sits 40-70 cm deep. It may sit over a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":368,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"Extreme wind from the southwest, west, and northwest has hammered open terrain, scouring some slopes and forming wind slabs on other slopes. Another 5-15 cm of snow is expected to form fresh wind slabs on Thursday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84t3t","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations. A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5t13k","text":"The next storm on Wednesday night into Thursday will drop around 15 to 25 cm of snow for the north of the region and around 10 cm to the south. The snow will likely consolidate into a storm slab as the day unfolds, with particularly touchy conditions during periods of rapid snow loading. The wind will be strong from the southwest during the storm, so expect wind slab development in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8cvad","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 40 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":477,"length":15,"key":0}],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced an avalanche since February 17th. Rapid warming or heavy loading by new snow/wind/rain events have the potential to re-awaken this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"aufs5","text":"The next storm on Wednesday night into Thursday will drop around 20 to 30 cm of snow across the region. The snow will likely consolidate into a storm slab as the day unfolds, with particularly touchy conditions during periods of rapid snow loading. The wind will be strong from the southwest during the storm, so expect wind slab development in lee terrain features, particularly near ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 50 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":477,"length":15,"key":0}],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"fbaqh","text":"Light snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"48j6c","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"u6o","text":"A weak layer of surface hoar sits 20-60 cm deep. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":85,"length":15,"key":0}],"data":{}},{"key":"tm06","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5fm49","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches usually triggered from shallow, rocky start zones. No activity has been observed on these layers in the past week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"a5sjo","text":"Incremental snowfall and strong winds are building reactive wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6iast","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"904p7","text":"A weak layer of widespread surface hoar sits 40-70 cm deep. It may sit over a crust on solar aspects. The overlying snow has been cohered into slabs by incremental loading through successive storms, wind and mild temperatures. As slab character and depth increase, so do reactivity and size of avalanches failing on the weak layer. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":368,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"63ksf","text":"Fresh slabs will form as another storm delivers 20-40 cm of snow by Thursday afternoon accompanied with strong south wind.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bnpb6","text":"Recent storms have buried two layers of surface hoar that continue to be reactive and produce large avalanches. One layer was buried on March 1st and is currently 30-60 cm below the surface, the other was buried on February 19th and is currently 75-125 cm below the surface. On solar aspects (south through west) surface hoar may be resting on a buried crust which could be a very problematic setup. A rain crust exists below 1000 m. Be very suspect of slopes at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"A storm passing through the region on Tuesday night delivered 5-10 cm to the region with closer to 15-20 cm along the northern parts of the region near Kananaskis Country. This snow was accompanied with strong to extreme wind from the west and formed fresh wind slabs in exposed terrain. A crust can be found near the surface up to 2300 m on solar aspects and up to 1700 m on all other aspects, however, but midday Thursday warm sunny weather could melt the surface on these slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5l4rp","text":"Strong south/southwest wind has resulted in extensive wind slab and cornice growth in open terrain at all elevations. Mild temperatures have likely allowed last week's 30-50 cm of powder to settle rapidly. On open south-facing slopes the storm snow sits above a sun crust.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"du0k2","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas to the east of White Pass may have a lower snowpack composed of sugary faceted grains, capped by a breakable melt-freeze crust and wind-affected snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f6e89","text":"In the last week 30 to as much as 90 cm of storm snow has fallen across the region. The snow has been heavily affected by west/southwest wind throughout the storm which is reflected in the avalanche summary.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4rk9u","text":"There are a couple of crusts beneath recent storm snow including a rain crust below 1200 m and sun crusts on south and west facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"auoo9","text":"Recent observations suggest the lower snowpack is strong and well-bonded in many parts of the region. However, given the large extent of the region it remains important to understand snowpack conditions in your local riding area. The Pine Pass area has a layer of surface hoar roughly 100 cm below the surface that was a problem around treeline elevations in mid-February, but appears have gained strength since then. The eastern slopes of the Rockies have many shallow rocky slopes that could harbour weak basal facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2pbhp","text":"Cornices have grown large and should be given wide berth, especially if you're travelling on ridge lines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3ukn1","text":"Incremental snowfall and strong winds continue to build deep pockets of fresh wind slab and cornices in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3auoc","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dbu8h","text":"A few sun crusts exist on solar aspects in the upper snowpack. A weak layer of widespread surface hoar sits 60-100 cm deep. There is uncertainty about the distribution and reactivity of this layer especially in the north of the region. Read more about surface hoar on our forecaster blog! ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":272,"length":15,"key":0}],"data":{}},{"key":"aqcr7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70jhm","text":"The early February melt-freeze crust down 80-120 cm has not been associated with avalanche activity but still gives results in snowpack tests.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6pldk","text":"A few more cm's overnight brings recent storm snow totals to 45cm. Unfortunately this storm snow has been significantly redistributed over the last several days by persistently strong to extreme SW/NW winds. Windward slopes are stripped to bare rock, and lee and cross-loaded terrain is heavily wind loaded. Expect to find wind slabs in virtually all Alpine and Treeline terrain where there is still snow on the ground. These wind slabs will be of widely variable depths and densities, and will be ripe for human triggering in much of the region. On the positive side, this season's midpack is generally strong and well consolidated. In shallow snowpack areas, the basal weaknesses remain, and will be on our radar for the remainder of the season.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Incremental snowfall and recent strong winds formed reactive wind slabs in the alpine and open areas at treeline that remain likely to human trigger. Convective showers in the wake of the storm may obscure the evidence of these wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"46esn","text":"A weak layer of widespread surface hoar is buried 40-80 cm deep. It may sit over a crust on solar aspects. Incremental loading from successive storms, strong winds, and mild temperatures have strengthened the slab character and increased the depth of the snow above, creating the potential for larger avalanches with serious consequences. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":375,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"1reid","text":"Strong southwest wind and around 5 to 10 cm of snow may form new wind slabs in lee terrain features on Friday. The most suspect areas will be immediately adjacent to ridgelines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6neq2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er2ko","text":"Around 30 to 50 cm of snow overlies a touchy layer of feathery surface hoar crystals. The layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around upper below treeline, treeline, and lower alpine elevations. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":147,"length":3,"key":0},{"offset":262,"length":15,"key":1}],"data":{}},{"key":"799p8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fu9k0","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ch5p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"57aak","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"Thursday's storm dropped around 20 to 30 cm of snow across the region. The snow fell with strong south to southwest wind, forming wind slabs in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"In some of the region, around 50 to 80 cm of snow overlies a layer of surface hoar on north-facing aspects near and above treeline. The layer has been found to be reactive in snowpack tests, such as in this MIN and this MIN. This persistent weak layer warrants investigation and a conservative terrain-use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":207,"length":3,"key":0},{"offset":220,"length":3,"key":1},{"offset":337,"length":15,"key":2}],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm at the peaks of the North Shore mountains (1400 m), tapering rapidly with elevation, with no snow below 700 m. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8bbf01e2-9a78-4413-8d66-f2844b9ff232"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/ef104aff-a2fa-44b6-991a-ee3d683b2536"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"Alpine terrain is heavily wind affected. A crust can be found near the surface up to 2000 m on solar aspects and up to 1700 m on all other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetops. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"A storm passing through Tuesday night delivered 5-10 cm to the region with closer to 15-20 cm along the northern parts of the region near Kananaskis Country. This snow was accompanied by strong to extreme wind from the west and formed fresh wind slabs in exposed terrain. A crust can be found near the surface up to 2300 m on solar aspects and up to 1700 m on all other aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick rain crust sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"The Wednesday into Thursday night storm produced 5 to 25 cm of new snow with the deepest accumulations being found in the south accompanied by strong east/southeast wind.  Previously, extreme wind from the southwest, west, and northwest has hammered open terrain, scouring some slopes and forming wind slabs on other slopes. Another 5-10 cm of snow is expected to fall Thursday into Thursday night.  Fresh storm slabs are likely forming.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84t3t","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations. A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"Thursday's storm dropped around 20 to 30 cm of snow across the region. The snow fell with strong to extreme south to southwest wind, forming wind slabs in lee terrain features at treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 50 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features in parts of the region. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":500,"length":15,"key":0}],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"63ksf","text":"15 to 35 cm of snow fell Wednesday night into Thursday with strong south/southeast wind. We're expecting another 10 to 25+ cm Thursday afternoon/evening.  Fresh storm slabs have almost certainly formed. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bnpb6","text":"Recent storms have buried two layers of surface hoar that continue to be reactive and produce large avalanches. One layer was buried on March 1st and is currently 30-80 cm below the surface, the other was buried on February 19th and is currently 75-125 cm below the surface. On solar aspects (south through west) surface hoar may be resting on a buried crust which could be a very problematic setup. A rain crust exists below 1000 m. Be very suspect of slopes at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 120 to 170 cm deep, and an early-season melt-freeze crust linger at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"Incremental snowfall and strong winds continue to build wind slabs in the alpine and open areas at treeline. A few sun crusts exist on solar aspects in the upper snowpack. Convective snowfall in the wake of the storm may obscure the evidence of these wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar may be found 60-100 cm deep. There is uncertainty about the distribution and reactivity of this layer, especially in the north of the region. Sheltered slopes near and below treeline are most suspect. Read more about surface hoar on our forecaster blog! ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":266,"length":15,"key":0}],"data":{}},{"key":"6453b","text":"Below a melt-freeze crust down 80-120 cm from early February, the snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6m734","text":"Convective snowfall and strong winds are building fresh wind slabs in the alpine and open areas at treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar sits 30-70 cm deep. It may sit over a crust on solar aspects. The distribution of this weak layer and the amount of snow above it varies widely across the region. Incremental loading from successive storms, strong winds, and mild temperatures have strengthened the slab character and increased the depth of the snow above, creating the potential for larger avalanches with serious consequences. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":460,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones. No activity has been observed on this layer since Feb 21.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"5t13k","text":"Thursday's storm dropped around 15 to 25 cm of snow across the region. The snow fell with strong south to southwest wind, forming wind slabs in lee terrain features at treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7p4r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 40 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it exists, it has been reactive in some snowpack tests but not others, suggesting spatial variation. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":525,"length":15,"key":0}],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Goldbridge), a deep instability exists at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or rapidly changing weather have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Incremental snowfall and recent strong winds formed reactive wind slabs in the alpine and open areas at treeline that remain likely to human trigger. Convective snowfall in the wake of the storm may obscure the evidence of these wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A weak layer of widespread surface hoar is buried 40-80 cm deep. It may sit over a crust on solar aspects. Incremental loading from successive storms, strong winds, and mild temperatures have strengthened the slab character and increased the depth of the snow above, creating the potential for larger avalanches with serious consequences. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":375,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"The Wednesday into Thursday night storm produced 5 to 25 cm of new snow with the deepest accumulations found in the south and accompanied by strong east/southeast wind.  Previously, extreme wind from the southwest, west, and northwest has hammered open terrain, scouring some slopes and forming wind slabs on leeward slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8fti5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84t3t","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fur1f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ojr7","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"20-30 cm of new snow is expected to accumulate in the region by the end of the day on Saturday, targeting the east slope of the region in particular. The new snow will bury recent wind slabs and wind effect in exposed terrain as well as sun crust on solar aspects and temperature crust up to 1700 m on all other aspects. The new snow is not expected to bond well with any of these surfaces over the near term.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick rain crust currently sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Up to 35 cm of new snow is expected to accumulate in the region by the end of the day on Saturday. The new snow will bury heavily wind affected surfaces in exposed areas as well as sun crust on solar aspects and temperature crusts up to 1700 m on all other aspects. The new snow is not expected to bond well with any of these surfaces over the near term.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetops. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"Thursday's storm dropped around 25 to 35 cm of snow across the region. The snow fell with strong to extreme south to southwest wind, forming wind slabs in lee terrain features at treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 100 cm deep on northerly aspects at treeline and lower alpine elevations. For some of the region, the layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features in parts of the region. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":519,"length":15,"key":0}],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"1reid","text":"The region is expected to see 10 to 20 cm of snow by Saturday afternoon, with the most in the east of the region. Storm slabs will develop over the day. The wind is expected to stay light to moderate from the southwest, so wind slab formation may be limited to immediate lee features. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6neq2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er2ko","text":"The snowfall will load a touchy layer of feathery surface hoar crystals that is found 30 to 50 cm deep. The layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around upper below treeline, treeline, and lower alpine elevations. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":165,"length":3,"key":0},{"offset":280,"length":15,"key":1}],"data":{}},{"key":"799p8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fu9k0","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5ch5p","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"57aak","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"Thursday's storm dropped around 20 to 30 cm of snow across the region. The snow fell with strong south to southwest wind, forming wind slabs in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Around 100 cm of snow overlies a layer of surface hoar on north-facing aspects near and above treeline. Although there have not been and reported avalanches on this layer, it has been found to be reactive in snowpack tests, such as in this MIN and this MIN. This persistent weak layer warrants investigation and a conservative terrain-use strategy until it is clear that it is no longer a problem. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":240,"length":3,"key":0},{"offset":253,"length":3,"key":1},{"offset":419,"length":15,"key":2}],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/8bbf01e2-9a78-4413-8d66-f2844b9ff232"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/ef104aff-a2fa-44b6-991a-ee3d683b2536"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"63ksf","text":"15-25 cm of new snow over Thursday brought snow totals from the first week of March to about 100 cm or more. Each round of snowfall has been accompanied by strong south winds, forming reactive storm slabs and burying two layers of surface hoar from February increasingly deeply.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"q6k0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bnpb6","text":"The first of these layers was buried on March 1st and is currently 50-100 cm below the surface, the other was buried on February 19th and is closer to 90-140 cm below the surface, with the greatest depths found at higher elevations. On solar aspects (south through west) this surface hoar may be resting on a buried crust which has acted as an excellent sliding surface for overlying slabs. Reduced accumulations of recent snow overlie a rain crust below about 1000 m. The most suspect slopes can be found at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1sk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 130 to 180 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4qljn","text":"The extreme wind event delivered wind from a variety of directions, but the main push was done by north (outflow) wind. This event has resulted in new wind slab formation in open terrain at all elevations. The distribution, size and depth of slabs from this event is highly variable. There may be wind loaded snow in areas we traditionally think of as sheltered.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70hqc","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas further inland may have a shallower snowpack composed of sugary faceted grains. Lower elevations have a melt freeze crust near the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"Incremental snowfall and recent strong winds on Wednesday and Thursday formed reactive wind slabs in the alpine and open areas at treeline that remain possible to human trigger. Snow falling Friday night and into Saturday may obscure the evidence of these wind slabs. Forecast amounts are in the 5-10 cm range, but areas in the southern part of the region may see 15+ cm.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 40-80 cm deep. On solar aspects, this layer may sit over a crust. Incremental loading from successive storms, strong winds, and mild temperatures have increased the depth and slab properties of the snow above the weak layer, creating the potential for larger avalanches with serious consequences. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":383,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"f6e89","text":"The region picked up 7 cm (Renshaw) to 15 cm (Kakwa, Core Lodge & Link Creek) Thursday into Thursday night and this snow hasn't seen much wind yet. This new snow rests on wind effected snow as there's been 40 to 100+ cm of storm snow that fell over the last 10 days, this older snow was heavily affected by west/southwest wind","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4rk9u","text":"There are a couple of crusts beneath recent storm snow including a rain crust below 1200 m and sun crusts on south and west facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"auoo9","text":"The lower snowpack is strong and well-bonded in many parts of the region. However, given the large extent of the region it remains important to understand snowpack conditions in your local riding area. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3i4r","text":"The Pine Pass area has a layer of surface hoar roughly 100 cm below the surface that was a problem around treeline elevations in mid-February, but appears have gained strength since then.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"64fj5","text":"The eastern slopes of the Rockies have many shallow rocky slopes that could harbour weak basal facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2pbhp","text":"Cornices have grown large and should be given wide berth, especially if you're travelling on ridge lines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Incremental snowfall and recent strong winds on Wednesday and Thursday formed reactive wind slabs in the alpine and open areas at treeline that remain possible to human trigger. Snow falling Friday night and into Saturday may obscure the evidence of these wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"46esn","text":"A widespread weak layer of surface hoar is buried 40-80 cm deep. On solar aspects, this layer may sit over a crust. Incremental loading from successive storms, strong winds, and mild temperatures have increased the depth and slab properties of the snow above the weak layer, creating the potential for larger avalanches with serious consequences. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":383,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"dofk9","text":"Incremental snowfall and strong winds on Wednesday and Thursday formed wind slabs in the alpine and open areas at treeline. Convective snowfall in the wake of the storm may have obscured the evidence of these wind slabs. A few sun crusts exist on solar aspects in the upper snowpack. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar may be found 60-100 cm deep. There is uncertainty about the distribution and reactivity of this layer, especially in the north of the region. Sheltered slopes near treeline are most suspect. Read more about surface hoar on our forecaster blog! ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":256,"length":15,"key":0}],"data":{}},{"key":"6453b","text":"Below a melt-freeze crust down 80-120 cm from early February, the snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6m734","text":"An incoming storm is expected to bring up to 20+ cm of snow to the region by afternoon on Saturday. Snowfall amounts are expected to vary across the region. Areas that accumulate more than 20 cm may develop a touchy storm slab problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar may be found 35-70 cm deep. It may sit over a crust on solar aspects. With snow in the forecast, more areas are expected to reach critical loading and develop a slab over this layer. The problem will likely become more reactive and widespread. Read more about surface hoar on our forecaster blog!","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":309,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"75pqk","text":"Heavy snow today and last night has deposited up to 15cm of fresh snow in the past 24 to 36 hours. The recent storm snow is settling and now consists of 40 to 60cm in the past week. The new snow does not appear to be bonding well and is sluffing easily in steeper terrain with ski cutting. In the Alpine and open areas at Treeline there are widespread wind slabs of varying depths and densities. The forecast team today observed cracking and small releases while ski testing in small steep convex features at 2300m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5t13k","text":"Thursday's storm dropped around 15 to 25 cm of snow across the region. The snow fell with strong south to southwest wind, forming wind slabs in lee terrain features at treeline and alpine elevations. In sheltered terrain, the snow is likely consolidating into a storm slab.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7p4r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 40 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it exists, it has been reactive in some snowpack tests but not others, suggesting spatial variation. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":525,"length":15,"key":0}],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Goldbridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or rapidly changing weather have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"By the time snowfall eases off Saturday night, new snow totals over the region may reach up to 30 cm. The new snow has buried heavily wind affected surfaces in exposed areas as well as sun crust on solar aspects and temperature crusts up to 1700 m on all other aspects. The new snow is not expected to bond well with any of these surfaces over the short term.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetops. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Incremental snowfall and wind have formed reactive wind slabs in the alpine and open areas at treeline that remain possible to human trigger. Cornices are large and looming after a week of successive storms. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. Incremental loading, strong winds, and mild temperatures have increased the depth and slab properties of the snow above the weak layer, creating the potential for larger avalanches with serious consequences. Riders will be capable of triggering this layer for some time until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":475,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"Thursday's storm dropped around 20 to 30 cm of snow across the region. The snow has consolidated into a slab that reportedly did not bond well to underlying surfaces. This snow is likely slowly gaining strength. The snow fell with strong south to southwest wind, which formed wind slabs in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Around 100 cm of snow overlies a layer of surface hoar on north-facing aspects near and above treeline. Although there have not been and reported avalanches on this layer, it has been found to be reactive in some snowpack tests. This persistent weak layer warrants investigation and a conservative terrain-use strategy until it is clear that it is no longer a problem. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":390,"length":15,"key":0}],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"63ksf","text":"15-25 cm of new snow over Thursday brought snow totals from the first week of March to about 100 cm or more. Each round of snowfall has been accompanied by strong south winds, leaving us with wind slabs in leeward terrain and two layers of surface hoar from February that are now deeply buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"q6k0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bnpb6","text":"The first of these layers was buried on March 1st and is currently 50-100 cm below the surface, the other was buried on February 19th and is closer to 90-140 cm below the surface, with the greatest depths found at higher elevations. On solar aspects (south through west) this surface hoar may be resting on a buried crust which may continue to act as a sliding surface for overlying slabs. Reduced accumulations of recent snow overlie a rain crust below about 1000 m. The most suspect slopes can be found at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1sk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 130 to 180 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"By the time snowfall eases off Saturday night, new snow totals over the region may reach up to 30 cm. The new snow has buried recent wind slabs and wind effect in exposed terrain as well as sun crust on solar aspects and temperature crust up to 1700 m on all other aspects. The new snow is not expected to bond well with any of these surfaces over the short term.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick rain crust currently sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"epe3","text":"The Wednesday into Thursday night storm produced 5 to 25 cm of new snow with the deepest accumulations found in the south and accompanied by strong east/southeast wind.  Previously, extreme wind from the southwest, west, and northwest has hammered open terrain, scouring some slopes and forming wind slabs on leeward slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8fti5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84t3t","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fur1f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ojr7","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Snowfall amounts varied across the region on Saturday, with the highest totals falling in the southern part of the region. Slab formation and human triggering will likely be specific to where the wind has transported the snow into deeper drifts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 35-70 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer.  Riders will be capable of triggering this layer for some time until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":371,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"1reid","text":"Around 10 cm of snow fell in the west of the region and 15 to 30 cm in the east of the region on Saturday. Storm slabs are likely developing as the snow consolidates. The wind remained light to moderate from the southwest, so wind slab formation may be limited to immediate lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6neq2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er2ko","text":"The snowfall is loading a touchy layer of feathery surface hoar crystals that is found 30 to 60 cm deep. The layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around upper below treeline, treeline, and lower alpine elevations. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":3,"key":0},{"offset":281,"length":15,"key":1}],"data":{}},{"key":"799p8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fu9k0","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"dofk9","text":"Incremental snowfall and wind have formed reactive wind slabs in the alpine and open areas at treeline that remain possible to human trigger. Cornices are large and looming after a week of successive storms.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar may be found 60-100 cm deep. There is uncertainty about the distribution and reactivity of this layer, especially in the north of the region. This MIN from the Trophy Mountains and this MIN from Allan Creek confirm the presence of this layer in the southern half of the region. Sheltered north, northeast, and east facing slopes near treeline are the most suspect. Riders will be capable of triggering this layer for some time until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":176,"length":3,"key":0},{"offset":215,"length":3,"key":1},{"offset":545,"length":15,"key":2}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/b5d54c71-dfef-4a13-bea3-68bc9f687bbe"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/fd206ad3-eca1-4a3f-a205-6b04823ce16d"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Snowfall amounts varied across the region on Saturday, with the highest totals falling in the southern part of the region. Areas that accumulated more than 20 cm may have formed a storm slab problem prone to human triggering. In areas where less snow accumulated, slab formation will likely be specific to where the wind has transported the snow into deeper drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. Incremental loading from successive storms, strong winds, and mild temperatures have increased the depth and slab properties of the snow above the weak layer, increasing the potential for larger avalanches with more serious consequences. Riders will be capable of triggering this layer for some time until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":505,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"1unin","text":"25cm of new snow in the past 24 hours. This new snow sluffs easily with ski cutting in steep terrain below treeline. This weeks storm snow is settling slightly but now totals between 60 and 80cm at Treeline elevations. Alpine areas are dominated by widespread wind slabs, and Treeline zones have significant slab conditions in lee and cross-loaded terrain. These slabs have been failing naturally and are very sensitive to human triggering in steep, convex and/or unsupported terrain.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5t13k","text":"15 to 25 cm falling late last week with strong south to southwest wind has formed wind slabs in lee terrain features at treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7p4r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 40 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. The layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features. Where it exists, it has been reactive in some snowpack tests but not others, suggesting spatial variation. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":525,"length":15,"key":0}],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Goldbridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or rapidly changing weather have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"20 to 30 cm of snow falling late last week has consolidated into a slab that reportedly did not bond well to underlying surfaces. This snow has likely gained strength. The snow fell with strong south to southwest wind, which formed wind slabs in lee terrain features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Around 100 cm of snow overlies a layer of surface hoar on north-facing aspects near and above treeline. Although there have not been any reported avalanches on this layer, it has been found to be reactive in some snowpack tests. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":250,"length":15,"key":0}],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"48k38","text":"This recent storm has left us with 70-90cm of snow.  This storm came in with lots of wind, thus the alpine is dominated by wind slabs, while treeline saw a lot of slab conditions in lee and cross loaded terrain. Expect some areas of wind drifting to be over one meter. Sunday saw a natural avalanche cycle, along with large results during explosive control.  It will take some time for this recent storm snow to stabilize.  At this time of year, solar radiation can be a huge factor for triggering natural avalanches on sun exposed slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"1reid","text":"Around 10-15 cm of snow fell in the west of the region and 20 to 35 cm in the east of the region over the weekend. Storm slabs are likely developing as the snow consolidates. The wind remained light to moderate from the southwest, so wind slab formation may be limited to immediate lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6neq2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er2ko","text":"The snowfall is loading a touchy layer of feathery surface hoar crystals that is found 30 to 60 cm deep. The layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around upper below treeline, treeline, and lower alpine elevations. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":166,"length":3,"key":0},{"offset":281,"length":15,"key":1}],"data":{}},{"key":"799p8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fu9k0","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"82h3j","text":"The Friday/Saturday storm produced 20 to 30 cm of new snow which buried heavily wind affected surfaces in exposed areas as well as a sun crust that may be present all the way to ridge top on solar aspects. Temperature crusts extend  up to about 1900 m on other aspects. This storm snow has not yet bonded to  the old surfaces and is touchy.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick rain crust currently sits 40-80 cm below the surface and can be found up to 2100 m. Avalanche activity was last observed at the faceting  interface between this crust and overlying snow on February 17. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"25 to 35 cm of snow that fell late last week with strong to extreme south to southwest wind, formed wind slabs in lee terrain features at treeline and alpine elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 100 cm deep on northerly aspects at treeline and lower alpine elevations. For some of the region, the layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features in parts of the region. Where it is found, it has been reactive in snowpack tests. This persistent weak layer warrants investigation and a conservative terrain use strategy. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":519,"length":15,"key":0}],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Snowfall amounts varied across the region on Saturday, with the highest totals falling in the southern part of the region. In areas that accumulated more than 20 cm, storm slabs may remain possible to human trigger. In areas where less snow accumulated, slab formation will likely be specific to where the wind has transported the snow into deeper drifts. Intense solar radiation may rapidly destabilize recent snow on steep, sun-exposed slopes and weaken cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. Snowfall, wind, temperatures, and solar radiation have increased the depth and slab properties of the snow above the weak layer, making it more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will likely be larger in size and getting caught could have more serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":920,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"Incremental snowfall and wind have formed wind slabs in the alpine and open areas at treeline that remain possible to human trigger. Cornices are large and looming after a week of successive storms. Intense solar radiation is rapidly destabilizing recent snow on steep, sun-exposed slopes and weakening cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. Snowfall, wind, temperatures, and solar radiation have increased the depth and slab properties of the snow above the weak layer, making it more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will likely be larger in size and getting caught could have more serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":920,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"epe3","text":"The Wednesday into Thursday night storm produced 5 to 25 cm of new snow with the deepest accumulations found in the south and accompanied by strong east/southeast wind.  The snowpack is now quite variable as evidenced in this MIN report from Saturday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":226,"length":10,"key":0}],"data":{}},{"key":"8fti5","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84t3t","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fur1f","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9ojr7","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/2e0ad680-fc9c-40ed-b7d3-4d1ebabacd64"}}}}
{"blocks":[{"key":"6m734","text":"Snowfall amounts from the weekend storm ranged from 20-40 cm. Slab formation and human triggering will likely be specific to where the wind has transported the snow into deeper drifts. Intense solar radiation may rapidly destabilize recent snow on steep, sun-exposed slopes and weaken cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 35-70 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer.  Riders will be capable of triggering this layer for some time until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":371,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":5,"length":12,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/glossary#basal-facets","target":"_self","url":"https://www.avalanche.ca/glossary#basal-facets"}}}}
{"blocks":[{"key":"ek7bs","text":"The Friday/Saturday storm produced 20 to 35 cm of new snow which buried heavily wind affected surfaces in exposed areas as well as a sun crust that is present to ridge top on solar aspects. Temperature crusts extend up to 1900 m on other aspects. This storm snow has not yet bonded to the old surfaces and is touchy.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick rain crust that has facets associated with it sits 30-60 cm below the surface and can be found up to ridgetops. We have only seen one avalanche on this layer since February 17th. The mid-pack is well settled and strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"63ksf","text":"15-25 cm of new snow over Thursday brought snow totals from the first week of March to 100 cm or more. Each round of snowfall has been accompanied by strong south winds, leaving us with wind slabs in leeward terrain and two layers of surface hoar from February that are now deeply buried.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"q6k0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bnpb6","text":"The first of these layers was buried on March 1st and is currently 50-100 cm below the surface, the other was buried on February 19th and is closer to 90-140 cm below the surface, with the greatest depths found at higher elevations. On solar aspects (south through west) this surface hoar may be resting on a buried crust which may continue to act as a sliding surface for overlying slabs. Reduced accumulations of recent snow overlie a rain crust below about 1000 m. The most suspect slopes can be found at treeline elevations and at the higher end of below treeline where preserved surface hoar most likely exists.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1sk0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d56uu","text":"A layer of weak and sugary faceted grains that formed in January may be found about 130 to 180 cm deep, and an early-season melt-freeze crust lingers at the base of the snowpack. These layers have produced a few very large natural and explosive triggered avalanches over the past two weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"48k38","text":"This recent storm has left us with 70-90cm of snow.  This storm came in with lots of wind, thus the alpine is dominated by wind slabs, while treeline saw a lot of slab conditions in lee and cross loaded terrain. Expect some areas of wind drifting to be over one meter.   More strong wind is forecast for Tuesday to only add to our already widespread wind slabs. As recent as Sunday, there was a natural avalanche cycle and it will take some time for this recent storm snow to stabilize.  At this time of year, solar radiation can be a huge factor for triggering natural avalanches on sun exposed slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"20 to 30 cm of recent storm snow sits on wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick crust with facets on it currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":20,"key":0},{"offset":197,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"1reid","text":"Around 10-15 cm of snow fell in the west of the region and 20 to 35 cm in the east of the region over the weekend. Storm slabs are likely developing as the snow consolidates. The wind remained light to moderate from the southwest, so wind slab formation may be limited to immediate lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6neq2","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"er2ko","text":"Recent snowfall has been loading a touchy layer of feathery surface hoar crystals from late February that is found 30 to 60 cm deep. The layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around upper below treeline, treeline, and lower alpine elevations. Check out the latest forecaster blog that offers a deeper dive into these conditions.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":194,"length":3,"key":0},{"offset":309,"length":15,"key":1}],"data":{}},{"key":"799p8","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fu9k0","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4mctq","text":"With 10-20 cm of new snow on Monday night and another 5-10 cm expected on Tuesday accompanied by strong southwest winds, fresh storm slabs will likely be widespread.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dj5ba","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d904d","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":12,"key":0}],"data":{}},{"key":"79taj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6vp7b","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"f6e89","text":"10-20 cm new snow is forecast to arrive Monday night and through Tuesday. This will add to the equivalent amount from last week. Strong west winds are expected to redistribute the new snow into lee terrain at upper elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4rk9u","text":"The recent snow all sits on either old wind affected snow, rain crust below 1200 m or sun crusts on south and west facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"auoo9","text":"The lower snowpack is strong and well-bonded in many parts of the region. However, given the large extent of the region it remains important to understand snowpack conditions in your local riding area. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3i4r","text":"The Pine Pass and MacKenzie areas have a weak layer of surface hoar roughly 100 cm below the surface that was a problem around treeline elevations in mid-February, but appears have gained strength since then.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"64fj5","text":"The eastern slopes of the Rockies have many shallow rocky slopes that could harbour weak basal facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2pbhp","text":"Cornices have grown large and should be given wide berth, especially if you're travelling on ridge lines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"A storm moving into the region is expected to bring 10-20 cm of snow with strong southwest winds by Tuesday afternoon. The new snow is not expected to bond well with previous surfaces and may become increasingly touchy as snow accumulates. The new snow will likely develop into a slab sooner on lee features at upper elevations, where southwest winds are transporting the snow into deeper, more cohesive drifts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":852,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"Around 25 cm of new snow is expected to accumulate in the region by end of day on Tuesday. The new snow will likely bury surface hoar in sheltered locations as well as sun crust on southerly aspects. It will likely become increasingly sensitive to natural and human triggering as it accumulates over the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c8h81","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bdgo0","text":"Below the current surface, 20 to 30 cm of snow from late last week has likely gained strength over the past couple of days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Around 100 cm of snow overlies a layer of surface hoar on north-facing aspects near and above treeline. This layer was found to be reactive in some recent snowpack tests. Large avalanches composed of new snow may cause isolated step down avalanche activity at this layer on Tuesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"A storm moving into the region is expected to bring 10-20 cm of snow with strong southwest winds by Tuesday afternoon. The new snow is not expected to bond well with previous surfaces and may become increasingly touchy as snow accumulates. The new snow will likely develop into a slab sooner on lee features at upper elevations, where southwest winds are transporting the snow into deeper, more cohesive drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":852,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"20 to 35 cm of recent storm snow sits on buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick crust that has facets associated with it sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":40,"key":0},{"offset":257,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"4qljn","text":"Tuesday night saw about 10-15 cm of new snow combined with another 5-15 cm of new snow that fell on Monday and has been redistributed by southerly winds switching to northerly winds. This snow now obscures widespread wind effect from last week's extreme wind event. The distribution, size and depth of slabs from that event is highly variable. There may be lingering wind slabs in areas we traditionally think of as sheltered.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70hqc","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas further inland may have a shallower snowpack composed of sugary faceted grains. Lower elevations have a melt freeze crust near the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Snowfall amounts from the weekend storm ranged from 20-40 cm. Human triggering remains possible where the wind has transported the snow into deeper drifts. Incremental snowfall and wind forecast for Tuesday is expected to add to this wind slab problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 35-70 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":512,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"25-35 cm of new snow is expected to accumulate in the region by Wednesday morning. The new snow has buried a mix of surface hoar and melt-freeze crust that varies with elevation and aspect. A poor bond is anticipated at this interface and the new snow will likely remain sensitive to human triggering on Wednesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Just over 100 cm of snow now overlies a layer of surface hoar on north-facing aspects near and above treeline. This layer was found to be reactive in some recent snowpack tests. Large avalanches composed of new snow may have potential to cause isolated step down avalanche activity at this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"15-25 cm of new snow is expected to accumulate in the region by Wednesday morning. The new snow has buried variable surfaces that include well developed surface hoar in sheltered areas, sun crusts on southerly slopes, and wind-affected surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 100 cm deep on northerly aspects at treeline and lower alpine elevations. For some of the region, the layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features in parts of the region. In these areas, larger avalanches composed of new snow may cause isolated step down avalanche activity at this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Snowfall amounts from the weekend storm ranged from 20-40 cm. Human triggering remains possible where the wind has transported the snow into deeper drifts. Incremental snowfall and wind forecast for Tuesday night is expected to add to this wind slab problem.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 35-70 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":512,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"A storm moved into the region on Tuesday and is expected to bring 25-45 cm of snow with strong westerly winds by Wednesday morning. The new snow is not expected to bond well with previous surfaces. Expect the new snow to develop slabs on lee features at upper elevations, where westerly winds transport the snow into deeper, more cohesive drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":852,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"A storm moved into the region on Tuesday and is expected to bring 25-40 cm of snow with strong westerly winds by Wednesday morning. The new snow is not expected to bond well with previous surfaces. The new snow will build a slab on lee features at upper elevations, where southwest and west winds transport the snow into deeper, more cohesive drifts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 50-90 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":852,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"aqhjk","text":"Wind, wind and wind slabs.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cbfb9","text":"The forecasters on Tuesday noted strong to extreme SW winds creating intense loading in the alpine and on lee and cross loaded features at treeline.  10-15cm wind slabs at treeline were  cracking and breaking with skier traffic. These new wind slabs are growing and are sitting on previous wind slabs from the weekend.   It will take several days for all this to sort it self out and settle.  Cornices are growing once again.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"The storm on Monday night and Tuesday delivered 10-15 cm of new snow to the region with strong winds. This new snow is likely sitting on a weak layer of surface hoar, and/or a crust on solar aspects. There are likely widespread storm slabs at upper elevations within the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":153,"length":12,"key":0},{"offset":185,"length":13,"key":1}],"data":{}},{"key":"diu66","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ad3j","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":12,"key":2}],"data":{}},{"key":"2ajut","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fa9mm","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#aspect"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"82h3j","text":"5-10 cm of snow on Tuesday night brings total recent storm snow totals to 25-40 cm. Strong west winds are promoting continued wind slab development. The new snow sits on wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick crust with facets on it currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":20,"key":0},{"offset":197,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"ek7bs","text":"10-15 cm of new snow from Tuesday night with moderate to strong west winds will continue to promote slab development.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d9mq6","text":"A total of 30 to 50 cm of recent storm snow sits on buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick crust that has facets associated with it sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":40,"key":0},{"offset":257,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"82h3j","text":"5-15 cm of snow on Tuesday night brought total recent storm snow totals to 25-45 cm. Strong winds are promoting continued wind slab development. The new snow sits on wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5lo3e","text":"A thick crust with facets on it currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":20,"key":0},{"offset":197,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"ek7bs","text":"10-15 cm of fresh snow from Tuesday night with ongoing strong winds will continue to promote wind slab development.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"d9mq6","text":"A total of 30 to 50 cm of recent storm snow sits on buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7shpc","text":"A thick crust that has facets associated with it sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":40,"key":0},{"offset":257,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"aufs5","text":"10-30 cm of new snow fell over the region during Tuesday's storm, with the greatest amounts found at higher elevations and toward the south of the region. Strong to extreme winds were a notable feature of the storm. The new snow - wind-affected at higher elevations - has buried variable surfaces that include surface hoar in sheltered areas, sun crusts on southerly slopes, and yet more wind-affected surfaces in exposed areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"A weak layer of surface hoar crystals and/or faceted grains may be found around 100 cm deep on northerly aspects at treeline and lower alpine elevations. For some of the region, the layer may have been destroyed by strong wind immediately before burial on February 22nd, but it may still exist in sheltered terrain features in parts of the region. In these areas, larger avalanches composed of new snow may cause isolated step down avalanche activity at this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f6e89","text":"20-40 cm of new snow fell in the region between Monday evening and Tuesday night. This has added to 10-20 cm of new snow from last week. Moderate west winds have redistributed the new snow into lee terrain at upper elevations. This all sits on either old wind affected snow, rain crust below 1200 m or sun crusts on south and west facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"auoo9","text":"The lower snowpack is strong and well-bonded in many parts of the region. However, given the large extent of the region it remains important to understand snowpack conditions in your local riding area. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f3i4r","text":"The Pine Pass and MacKenzie areas have a weak layer of surface hoar roughly 100 cm below the surface that was a problem around treeline elevations in mid-February, but appears have gained strength since then.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"64fj5","text":"The eastern slopes of the Rockies have many shallow rocky slopes that could harbour weak basal facets.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2pbhp","text":"Cornices have grown large and should be given wide berth, especially if you're travelling on ridge lines.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"The recent storm delivered 10-20 cm of new snow to the region with strong winds. This new snow is likely sitting on a weak layer of surface hoar, and/or a crust on solar aspects. There are likely widespread storm slabs at upper elevations within the new snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":132,"length":12,"key":0},{"offset":164,"length":13,"key":1}],"data":{}},{"key":"diu66","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ad3j","text":"Loading from new snow and wind has made several persistent weak layers problematic over the past week. A combination of surface hoar and sun crust layers were buried on February 19 and currently sit 30-60 cm below the surface that seem to be most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":120,"length":12,"key":2}],"data":{}},{"key":"2ajut","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fa9mm","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary#aspect"}},"2":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"a5sjo","text":"The recent storm delivered 20-40 cm of snow with strong southwest winds. The new snow is not expected to bond well with previous surfaces. Strong winds built slabs on lee features at upper elevations, where southwest winds transported the snow into deeper, more cohesive drifts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5t13k","text":"5 to 15 cm of new snow accumulated in the region during Tuesday's storm, accompanied by moderate to strong south and west winds. As a result, new wind slabs up to 30 cm deep have been observed on leeward slopes. The new snow also buried surface hoar in more sheltered areas as well as sun crusts on south-facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7p4r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"Another weak layer of surface hoar crystals and/or faceted grains may currently be found around 50 to 80 cm deep on northerly aspects at treeline and lower alpine elevations. This distribution of this layer is spotty, likely existing as a problem only in isolated steep, sheltered, north-facing slopes at mid elevations. Professionals throughout the region have begun to consider it dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or sustained warm temperatures have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4qljn","text":"Tuesday night saw about 10-15 cm of new snow combined with another 5-15 cm of new snow that fell on Monday and has been redistributed by light southerly winds switching to strong from the north. Expect to see widespread wind effect from the latest north winds. This snow now obscures widespread wind effect from last week's extreme wind event. There may be lingering and buried wind slabs in areas we traditionally think of as sheltered.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"70hqc","text":"At White Pass the snowpack is roughly 200 cm thick with a strong mid and lower snowpack. Thin snowpack areas further inland may have a shallower snowpack composed of sugary faceted grains. Lower elevations may have a melt freeze crust near the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"5gojm","text":"Up to 30 cm of new snow from Tuesday's storm can be found in alpine and upper treeline areas of the region, with new snow amounts tapering dramatically with elevation. The new snow has buried a mix of surface hoar and melt-freeze crust that varies with elevation and aspect. The bond at this interface is expected to be gradually improving.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"akk50","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ad80d","text":"Just over 100 cm of snow now overlies another layer of surface hoar on north-facing aspects near and above treeline. This layer was found to be reactive in some snowpack tests last week but is now suspected to be dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"3l0nr","text":"Another 5 to 10cm of new snow in the past 24 hours. Storm snow from the last 7 days now sits at between 60 and 80cm. The extreme wind event out of the SW on Tuesday has created yet another generation of wind slabs at treeline and above. Forecasters observed shooting cracks and very poor skiing at treeline due to a 15cm thick wind slab. Expect areas of surface sun crust on steep solar aspects, particularly at lower elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"The recent storm delivered 15-30 cm of snow with strong westerly winds. The new snow is not expected to bond well with previous surfaces. Strong winds built slabs on lee features at upper elevations, where westerly winds transported the snow into deeper, more cohesive drifts.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 60-100 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6m734","text":"The storm on Tuesday delivered up to 30 cm in the north and west of the region and up to 10 cm in the south and east of the region. Human triggering remains likely especially where the wind has transported the snow into deeper drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":513,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"The recent storm delivered 20-40 cm of snow with strong southwest winds which then shifted to northwest wind. The snow surface varies from soft snow to wind pressed in the alpine and at wind exposed treeline elevations. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. The new snow is not expected to bond well with these previous surfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4s6s5","text":"The storm on Monday/Tuesday delivered 10-20 cm of new snow to the region with strong winds. This new snow is likely sitting on a weak layer of surface hoar, and/or a crust on solar aspects. On Friday, winds are forecast to shift to the northeast and increase. These winds are expected to form fresh wind slabs that may be reactive to human triggering, especially where the snow is drifted or sitting over a layer of surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":143,"length":12,"key":0}],"data":{}},{"key":"diu66","text":"Loading from new snow and wind has made several deeper weak layers problematic over the past week. A surface hoar layer from March 1st may be found 40-80 cm deep, and another combination of surface hoar and sun crust from February 19 may sit 60-90 cm deep. These layers seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"6m734","text":"Between 20- 50 cm of recent storm snow sit on old wind slabs, a weak surface hoar layer and sun crusts on steep solar aspects. The new snow is not expected to bond well with these previous surfaces. Human triggering remains likely especially where the wind has transported the snow into deeper drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":513,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"The recent storm delivered 15-30 cm of snow with strong westerly winds. The snow surface varies from soft snow to wind pressed in the alpine and at wind exposed treeline elevations. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. The new snow is not expected to bond well with these previous surfaces. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 60-100 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"5gojm","text":"Up to 30 cm of new snow from Tuesday's storm can be found in alpine and upper treeline areas of the region, with new snow amounts tapering dramatically with elevation. The new snow buried a mix of surface hoar and melt-freeze crust that varies with elevation and aspect. The bond at this interface is expected to be gradually improving.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2n17v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fmmjr","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapering rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"10-30 cm of new snow fell in the region during Tuesday's storm, with the greatest amounts found at higher elevations and toward the south of the region. Strong to extreme winds were a notable feature of the storm. The new snow - wind-affected at higher elevations - has buried variable surfaces that include surface hoar in sheltered areas, sun crusts on southerly slopes, and yet more wind-affected surfaces in exposed areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7o2uq","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"69hsm","text":"Some professionals in the region are still tracking a weak layer of surface hoar crystals and/or faceted grains currently found around 100 cm deep on northerly aspects at treeline and lower alpine elevations. The distribution of this layer is spotty, likely existing as a problem only in isolated steep, sheltered, north-facing slopes at mid elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Up to 10 cm of new snow may accumulate by Friday afternoon. Winds are forecast to shift to the northeast and to increase to 40-60 km/hr, building fresh wind slabs in a reverse-loading pattern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"A total of 30 to 60 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits over a layer of buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"A thick crust/facet layer currently sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":244,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"5t13k","text":"5 to 15 cm of new snow accumulated in the region during Tuesday's storm, accompanied by moderate to strong south and west winds. Wind slabs up to 30 cm deep have been observed on leeward slopes. The new snow also buried surface hoar in more sheltered areas as well as sun crusts on south-facing slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7p4r6","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7obg","text":"Another weak layer of surface hoar crystals and/or faceted grains may currently be found around 50 to 80 cm deep. The distribution of this layer is spotty, likely existing as a problem only in isolated steep, sheltered, north-facing slopes at mid elevations. Professionals throughout the region have begun to consider it dormant.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3cokj","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahlee","text":"In the northern part of the region (i.e., Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or sustained warm temperatures have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Up to 15 cm of new snow may accumulate by Friday afternoon. Winds are forecast to shift to the northeast and to increase to 40-60 km/hr, building fresh wind slabs in a reverse-loading pattern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej2","text":"A total of 25 to 45 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits on older wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"A thick crust/facet layer currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":191,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"co9nb","text":"Widespread buried wind slabs in the alpine and parts of treeline are found under the 10cm of snow that fell Tuesday.  There are several generations of wind slabs and it is taking some time for them to consolidate into one layer.  Expect some areas of surface sun crust on steep solar aspects, particularly at lower elevations.  Cornices are large right now and should be given respect.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"co9nb","text":"Widespread buried wind slabs in the alpine and parts of treeline are found under the 10cm of recent snow.  There are several generations of wind slabs and it is taking some time for them to consolidate into one layer. Be on the lookout for some reverse loading as the winds have been from the East in the last little while.   Expect some areas of surface sun crust on steep solar aspects, particularly at lower elevations.  Cornices are large right now and should be given respect.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"The east of the region is expected to receive the largest snow amounts of up to 15 cm with the current system. The storm at the beginning of the week delivered 20-50 cm of snow with highest amounts in the north and west of the region. This snow may sit on old wind slabs, a weak surface hoar layer and sun crusts on steep solar aspects. Human triggering remains possible especially where the wind has transported the snow into deeper drifts. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":513,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"atn32","text":"Early in the week, a suncrust formed on sun-exposed slopes, and in the southern part of the region, a second surface hoar layer was reported on shaded slopes. Where they exist, these layers could become increasingly sensitive and unstable if warming occurs late in the period as forecast.   ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"40fjo","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cfdou","text":"Up to 60cm of storm snow fell early in the week. In wind sheltered locations the storm snow remains cold, dry, and generally unconsolidated. At treeline and in the alpine the storm snow has been blown around by moderate to strong alpine and treeline winds in the last few days. Winds have shifted direction from south and southwest to north and northeast so wind slabs have formed on most aspects at upper elevations. Cornices are also growing on many aspects. Warming and solar radiation could increase the sensitivity to triggering for these layers late in the period. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"eu1ua","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"binjl","text":"If temperatures warm up as forecast we will likely see increasing cohesion in places where surface snow is currently unconsolidated. This would form soft slabs on the suncrust and surface hoar layers. Warming will also increase the sensitivity of wind slabs and cornices that are currently somewhat unreactive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"The recent storm delivered 15-30 cm of snow with strong westerly winds which now shifted to northeast forming fresh wind slabs on previously windward slopes. The snow surface varies from soft snow and wind pressed in the alpine and at wind exposed treeline elevations to sun crust on steep solar aspects. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. This layer is responsible for many avalanche releases and might develop into a persistent weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 60-100 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4s6s5","text":"Strong northeast winds are drifting the recent snow into touchy wind slabs, and there is ample snow for transport with this reverse-loading pattern. 5-10 cm of new snow on Thursday added to the 10-20 cm of snow from the storm earlier in the week. Wind slabs will likely be more reactive where this snow rests on a weak layer of surface hoar and/or a crust on solar aspects.  Cornices have also grown large with the recent weather, and a cornice failure could trigger a wind slab avalanche on the slope below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":328,"length":12,"key":0}],"data":{}},{"key":"diu66","text":"Loading from new snow and wind has made several deeper weak layers problematic over the past week. A surface hoar layer from March 1st may be found 40-80 cm deep, and another combination of surface hoar and sun crust from February 19 may sit 60-90 cm deep. These layers seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"82h3j","text":"Some areas of the South Rockies may see intense and significant snowfall accumulations. Anywhere from 10-40 cm may accumulate by Saturday afternoon, with higher totals favoring up-slope areas in the east of the region. Strong easterly winds will accelerate the formation of touchy slabs, and there is ample snow for transport with this reverse-loading pattern. These conditions may also bring cornices to their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej2","text":"A total of 25 to 45 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits on older wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"A thick crust/facet layer currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":191,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"aufs5","text":"Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"The recent storm delivered 20-40 cm of snow with strong southwest winds which then shifted via northwest to northeast winds. The snow surface varies from soft snow and wind pressed in the alpine and at wind exposed treeline elevations to sun crust on steep solar aspects. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. This layer is responsible for many avalanche releases and might develop into a persistent weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem is transitioning into a low probability/high consequence scenario. The snow above the weak layer has increased in depth and slab properties, making avalanches more difficult to trigger and masking obvious clues that the problem is present (i.e. cracking, whumpfing). However, if triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":853,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"cua3p","text":"Up to about 30cm of recent storm snow from earlier in the week has been blown around by moderate to strong winds in most parts of the region. These winds were variable in direction from south and southwest to northerly. This created wind slabs and cornice buildup on most aspects at all elevations. The slabs were reactive during and shortly after the storm. Reactivity has decreased in the last 24 hours or so. That might well change if the weather forecast is right and the snowpack warms over the next few days due to rising temperatures and ongoing solar radiation coupled with light winds.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8jquh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7chj2","text":"At lower elevations there's still some storm snow that's not been smashed by wind but this seems to be the exception rather than the rule. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8n04u","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ait3g","text":"Where the snowpack is deep (e.g. 200cm or more) there's no significant or notable instabilities lurking deeper in the pack. In shallow spots or shallower parts of the region (e.g. farther inland) sugary snow (facets and maybe even depth hoar) at or near the base of the pack are less well bridged but are not yet a significant concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"65go9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1s91o","text":"Warm temperatures and solar radiation could create moist or wet surface snow especially late in the day Sunday and Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brms9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h6bt","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapers rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Snowfall amounts are expected to be highly variable. Anywhere from 5-20 cm may accumulate by Saturday afternoon. Strong easterly winds are drifting the recent snow into touchy wind slabs, and there is ample snow for transport with this reverse-loading pattern. These conditions may also bring cornices to their breaking point.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"A total of 30 to 60 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits over another layer of buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"A thick crust/facet layer currently sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":244,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"2sqff","text":"Snowfall and strong easterly wind will form new wind slabs in exposed terrain. This wind direction is atypical, so terrain features that don't typically have wind slabs may this weekend. Wind slabs may still linger in north to east terrain from the storm earlier in the week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9j6oh","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5844p","text":"The upper snowpack is relatively complex. A few different layers of surface hoar and melt-freeze crust exist, which have recently acted as sliding layers. One such layer buried about a week ago may be found about 20 to 40 cm deep. The most widespread layer was buried late February and is now buried 60 to 80 cm. This layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around the upper part of below treeline, treeline, and lower alpine elevations. This layer may only remain a concern in the north and east parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":375,"length":3,"key":0}],"data":{}},{"key":"97v8g","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3n2t5","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"96f1p","text":"Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals in isolated features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kddm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2thb0","text":"In the northern part of the region (i.e., Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or sustained warm temperatures have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ek7bs","text":"Strong easterly winds have drifted recent snow into wind slabs on lee terrain features in a reverse-loading pattern. A major warming trend is forecast over the next several days, which could rapidly weaken the snowpack and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"A total of 30 to 60 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits over another layer of buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"A thick crust/facet layer currently sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":244,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"aufs5","text":"A major warming trend is forecast for the coming days, which could rapidly weaken the snowpack and cornices. Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"604n","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c17io","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. This layer may require a very large load, such as a cornice fall, or rapid weather changes to reactivate.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"96f1p","text":"A major warming trend is forecast for the coming days, which could rapidly weaken the snowpack and cornices. Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals in isolated features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"kddm","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2thb0","text":"In the northern part of the region (i.e., Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. Human-triggering is unlikely, though if one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A large load, such as from a cornice fall, or sustained warm air temperature have the potential to trigger this layer.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"A major warming trend is forecast for the coming days, which could rapidly weaken the snowpack and cornices. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3pm9u","text":"The upper snowpack is relatively complex. Strong northeast wind has formed wind slabs in south to southwest terrain features near ridges. These aspects don't typically have wind slab problems. A few different layers of surface hoar and melt-freeze crust exist, which have recently acted as sliding layers. One such layer buried about a week ago may be found about 20 to 40 cm deep. The most widespread layer was buried late February and is now buried 60 to 80 cm. This layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around the upper part of below treeline, treeline, and lower alpine elevations. This layer may only remain a concern in the north and east parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":526,"length":3,"key":0}],"data":{}},{"key":"97v8g","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"a5sjo","text":"Moderate northeast wind has redistributed the snow and formed wind slabs in exposed terrain. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. This layer is responsible for many avalanche releases and might develop into a persistent weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem has transitioned into a low probability/high consequence scenario. If triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":644,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"82h3j","text":"Snowfall totals varied across the region, with some areas accumulating 10-20 cm of snow. Strong easterly winds drifted the new snow into wind slabs on lee terrain features in a reverse-loading pattern. A major warming trend is forecast over the next several days, which could rapidly weaken the snowpack and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej2","text":"A total of 25 to 45 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits on older wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"A thick crust/facet layer currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":191,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"727am","text":"Moderate to strong northeast wind has redistributed the snow and formed wind slabs reactive to human triggers. The snow surface varies from soft snow and wind pressed in the alpine and at treeline to sun crust on steep solar aspects. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects. This layer is responsible for many avalanche releases and might develop into a persistent weak layer. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar is buried 60-100 cm deep. On solar aspects, this layer may sit over a crust. This persistent slab problem has transitioned into a low probability/high consequence scenario. If triggered, avalanches will be large and getting caught could have serious consequences. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely pose the threat of a low probability/high consequence avalanche until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":644,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"f9u6","text":"A major warming trend is forecast for the coming days, which could rapidly weaken the snowpack and cornices. Wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming fresh wind slabs in south to southwest terrain features at higher elevations. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brms9","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h6bt","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapers rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Temperatures are forecast to rise from -25 C to -5 C in the span of 24 hours and with intense solar radiation on Sunday. This significant warm-up is expected to rapidly destabilize surface snow and cornices as well as add significant strain to buried weak layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7c7id","text":"Over the past few days, strong easterly winds drifted the 15-30 cm of recent snow into wind slabs in a reverse-loading pattern. Wind slabs will likely be more reactive where this snow rests on a weak layer of surface hoar and/or a crust on solar aspects.  Cornices have also grown large with the recent weather, and a cornice failure could trigger a wind slab avalanche on the slope below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":209,"length":12,"key":0}],"data":{}},{"key":"diu66","text":"Loading from new snow and wind has made several deeper weak layers problematic over the past week. A surface hoar layer from March 1st may be found 40-80 cm deep, and another combination of surface hoar and sun crust from February 19 may sit 60-90 cm deep. These layers seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack. Sunday's warm-up may have the potential to re-awaken these deeper layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"6m734","text":"Moderate to strong northeast and east wind has redistributed the snow and formed wind slabs at all elevations.  The mid week storm snow may sit on a weak surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar from February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. With successive storms, more areas have reached critical loading and developed a slab over this layer. Managing this problem requires a patient and diligent mindset, implemented by avoiding suspect slopes and maintaining conservative terrain margins. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":513,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deep basal facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"fo22m","text":"A couple of cm's of fresh snow in the past 24 hours. The wind slabs (numerous generations) still dominate the landscape in the Alpine and open areas at Treeline. While becoming less sensitive to human triggering, be cautious in steep, convex and unsupported terrain. The mid-pack remains quite strong, and by contrast, the basal facets are still weak. The deep persistent slabs are more of a concern in shallow snowpack areas and rocky outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"71br8","text":"Watch for moist snow on solar aspects by Sunday afternoon. The heat could also make the triggering of some features more sensitive.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"The upper snowpack is relatively complex. Strong northeast wind has formed wind slabs in south to southwest terrain features near ridges. A few different layers of surface hoar and melt-freeze crust exist, which have recently acted as sliding layers. One such layer buried about a week ago may be found about 20 to 40 cm deep. The most widespread layer was buried late February and is now 60 to 80 cm deep. This layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around the upper part of below treeline, treeline, and lower alpine elevations. This layer may only remain a concern in the north and east parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":469,"length":3,"key":0}],"data":{}},{"key":"97v8g","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"6m734","text":"Recent moderate to strong northeast and east wind has redistributed the snow and formed wind slabs at all elevations. New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. This persistent weak layer will likely remain a problem until there is a substantial change in the snowpack. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":264,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"fo22m","text":"The wind slabs (numerous generations) still dominate the landscape in the Alpine and open areas at Treeline. While becoming less sensitive to human triggering, be cautious in steep, convex and unsupported terrain. The mid-pack remains quite strong, and by contrast, the basal facets are still weak. The deep persistent slabs are more of a concern in shallow snowpack areas and rocky outcroppings.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"be7jj","text":"Monday afternoon is suppose to be sunny and -1c in the alpine.  Watch for moist snow on solar aspects as the heat can be intense.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"71br8","text":"This heat could also make the triggering of some features more sensitive.  This sudden warming trend can sometimes be the temperature trigger for cornices.  Keep your distance from large cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4232q","text":"A rapid warming trend will raise the freezing level to around 2100 m on Monday.The warm air, coupled with strong radiation from the sun with clear skies, may rapidly weaken the snowpack and cornices. Expect to find moist or wet snow during the day, particularly on sun-exposed slopes, which could freeze into a melt-freeze crust overnight.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aigfl","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming wind slabs in south to southwest terrain features. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"atumr","text":"In the northern part of the region (i.e., Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since February 17th. If one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A cornice fall could also trigger it. The likelihood of triggering this layer may increase during this warming trend. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Moderate to strong northeast wind has redistributed into alpine and tree line lee terrain. Recent new snow from last week may sit on a surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar buried at the end of February is 60-100 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":292,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"f9u6","text":"An intense warming trend will raise the freezing level to above the mountain tops.The warm air, coupled with strong radiation from the sun with clear skies, may rapidly weaken the snowpack and cornices. Expect to find moist or wet snow during the day, which could freeze into a melt-freeze crust overnight.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3vtg4","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming wind slabs in south to southwest terrain features. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"brms9","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300 to 400 cm around 1200 to 1400 m and tapers rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Snowfall totals from the weekend storm varied across the region, with accumulations ranging from 10-25+ cm of snow. Higher amounts fell in the southeastern corner of the region. Strong easterly winds drifted the new snow into wind slabs on lee terrain features in a reverse-loading pattern. A warming trend over the next several days could weaken surface snow and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej2","text":"A total of 25 to 45 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits on older wind slabs in exposed areas, and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to about 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"A thick crust/facet layer currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":191,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"a5sjo","text":"Moderate northeast wind has redistributed the snow and formed wind slabs in exposed terrain. The recent snow may sit on a surface hoar layer and a sun crust on steep solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"Strong easterly winds have drifted recent snow into wind slabs on lee terrain features in a reverse-loading pattern. A warming trend is forecast over the next several days, which could weaken surface snow and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"A total of 30 to 60 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits over another layer of buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"A thick crust/facet layer currently sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":244,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"dofk9","text":"Moderate to strong northeast wind has redistributed snow and formed wind slabs at all elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Reports indicate that this layer may be absent in the northern tip of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtrep","text":"There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"aufs5","text":"An intense warming trend will raise the freezing level to around 2400 m.The warm air, coupled with strong radiation from the sun with clear skies, may rapidly weaken the snowpack and cornices. Expect to find moist or wet snow during the day, which could freeze into a melt-freeze crust overnight.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"c9bon","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming wind slabs in south to southwest terrain features. In sheltered terrain, about 30 cm of snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"37jnj","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since February 20th. The likelihood of triggering this layer may increase during this warming trend. There is also the potential for cornices to fail from warming, which could act as a trigger.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Recent moderate to strong northeast and east wind has redistributed the snow and formed wind slabs at all elevations. New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":155,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"Moderate to strong northeast wind has redistributed snow into alpine and tree line lee terrain. Recent new snow from last week may sit on a surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar buried at the end of February is 60-100 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":292,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ek7bs","text":"Strong easterly winds have drifted recent snow into wind slabs on lee terrain features in a reverse-loading pattern. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6h2sh","text":"A total of 30 to 60 cm of snow from the previous storm has been redistributed by wind or is well-settled. This snow sits over another layer of buried wind slabs in exposed areas and a sun crust on solar aspects (south through west facing slopes). Melt-freeze crusts extend up to 1900 m on other aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f9m3b","text":"A thick crust/facet layer currently sits 30-60 cm below the surface. There has been only one avalanche reported on this layer since February 17th. The middle of the snowpack is generally strong, but the base of the snowpack contains weak basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":244,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"aufs5","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. The warm air coupled with strong radiation from the sun has potential to rapidly weaken the upper snowpack and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7b2m4","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming wind slabs in unusual south to southwest terrain features. In sheltered terrain, about 30 cm of settled snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4fad7","text":"Weak faceted snow and melt-freeze crusts exist near the base of the snowpack in some of the region, particularly the eastern and northern parts. This layer is considered dormant, as it hasn't produced an avalanche since Feb 20. The likelihood of triggering this layer may increase during this warming trend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Recent strong easterly winds created fresh wind slabs on lee terrain features in a reverse-loading pattern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e53m7","text":"A thick crust/facet layer currently sits 40-80 cm below the surface and can be found up to 2100 m. The middle of the snowpack is generally strong, but the base of the snowpack contains basal facets that are most prominent in shallow rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":8,"length":17,"key":0},{"offset":191,"length":6,"key":1}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#facetcrust-layer"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"f9u6","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The warm air coupled with strong radiation from the sun has potential to rapidly weaken the snowpack and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7kmg3","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. In sheltered terrain, about 30 cm of settled snow may overly a melt-freeze crust and potentially small surface hoar crystals. The remainder of the snowpack is well-settled. The snowpack depth varies from around 300-400 cm around 1200 to 1400 m and tapers rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Cornices have grown large with the recent weather, and a cornice failure has the potential to release very large avalanches on slopes below.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7c7id","text":"A few days ago, strong easterly winds drifted the 15-30 cm of recent snow into wind slabs in a reverse-loading pattern (check out this MIN from HBMR). Wind slabs will likely be more reactive where this snow rests on a weak layer of surface hoar and/or a crust on solar aspects.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":135,"length":3,"key":0},{"offset":232,"length":12,"key":1}],"data":{}},{"key":"diu66","text":"Loading from new snow and wind has made several deeper weak layers problematic over the past week. A surface hoar layer from March 1st may be found 40-80 cm deep, and another combination of surface hoar and sun crust from February 19 may sit 60-90 cm deep. These layers seem to be most sensitive to human triggering at treeline elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"A couple of weak layers that formed in January are buried in close proximity to one another 80-140 cm below the surface. Below that, an early season crust/facet layer lurks at the base of the snowpack. The warming weather may have the potential to re-awaken these deeper layers.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/map/forecasts/northwest-coastal?panel=mountain-information-network-submissions/7294a07e-108e-471e-8a36-d04d3a16692d"}},"1":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=persistent+weak+layer#surface-hoar"}}}}
{"blocks":[{"key":"16hri","text":"We still have a winter snow pack with widespread wind slabs dominating the alpine and open areas at treeline.  Some of these slabs are soft slabs producing easy results within the top 10-20cm.  The mid pack remains strong while the basal facets are weak.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4tjii","text":"Expect sun crust on solar aspects and some places at valley bottom from the clear skies from Monday.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"atn32","text":"Temperatures had less of an effect over the weekend than expected but the sun was strong enough to create a new surface crust on steep southerly terrain, probably more so at lower elevations. Winds have continued to transport snow at upper elevations creating new wind slabs in some areas that were unstable on Saturday. At lower elevations, winds have created soft slabs in open areas below treeline. Two surface hoar layers 50-60cm and 75-90cm below the surface remain a concern especially if there's a slab on the surface from warming and/or winds over the weekend. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dd3el","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"andsm","text":"A cooling trend will likely tighten the bonds in the snowpack for the next few days. In the alpine, where windslabs are the main issue, this will probably improve some of the instabilities that came up over the weekend. However, at lower elevations more cohesion in the upper snowpack could actually increase the sensitivity of the persistent weak layers of surface hoar. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cua3p","text":"The upper snowpack warmed up over the weekend. Warming was most significant at upper elevations due to a temperature inversion (temperatures at upper elevations were warmer than lower down). Warming was further enhanced on steep southerly aspects where solar radiation was strong, especially in shallow areas and around rocks which concentate the heat from the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"4gi00","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"84lps","text":"The warming didn't seem to have much of an effect on the wind slabs that formed last week. Deep snowpack areas also fared pretty well. But the surface got warm and wet enough to create unstable moist and wet snow on the surface in the afternoons. There's some evidence that warming increased instability in shallow snowpack areas and cornices may also have become somewhat more unstable.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"39dto","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"86oqq","text":"A cooling trend will strengthen the pack by freezing snow grains together which improves the bonds between layers. Crusts will form where the surface snow became moist or wet during the warming trend. In the short term this will increase overall stability but the crusty surfaces are something to watch when new snow arrives. There's a chance that solar heating might remain a factor on steep sunny terrain features on Tuesday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"Each day rising freezing levels and the sun will potentially weaken the upper snowpack and form moist snow and crusts on sun-exposed slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aacqq","text":"The upper snowpack is relatively complex. Strong northeast wind formed wind slabs in south to southwest terrain features last week. A few different layers of surface hoar and melt-freeze crust exist, which have recently acted as sliding layers. One such layer buried about a week ago may be found about 20 to 40 cm deep. The most widespread layer was buried late February and is now 60 to 80 cm deep. This layer is most commonly found in open trees (e.g. in this MIN) or sheltered terrain around the upper part of below treeline, treeline, and lower alpine elevations. This layer may only remain a concern in the north and east parts of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":463,"length":3,"key":0}],"data":{}},{"key":"97v8g","text":"The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"dofk9","text":"Recent moderate to strong northeast wind has redistributed snow and formed wind slabs at all elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Reports indicate that this layer may be absent in the northern tip of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtrep","text":"There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Recent northeast wind has redistributed the snow and formed wind slabs in exposed terrain. The recent snow that fell last week may sit on a surface hoar layer and a sun crust on steep solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4232q","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. The warm air coupled with strong radiation from the sun has potential to rapidly weaken the upper snowpack and cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"aigfl","text":"In the alpine, hard wind slabs may be found on all aspects due to variable wind directions. Recent wind has blown from the northeast, forming wind slabs in south to southwest terrain features. In sheltered terrain, about 30 cm of settled snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"atumr","text":"In the northern part of the region (i.e. Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since Feb 17. If one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A cornice fall could also trigger it. The likelihood of triggering this layer may increase during this warming trend. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2tha4","text":"We still have a winter snow pack with widespread wind slabs dominating the alpine and open areas at treeline. Soft slabs can be found when you transition into tree line.  The midpack remains strong while the basal facets are weak. Isolated sun crust can be found on solar aspects.  If the sun comes out, solar aspect slopes can become a concern.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. In sheltered terrain, about 30 cm of settled snow may overly a melt-freeze crust and potentially small surface hoar crystals.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"ahjq2","text":"The remainder of the snowpack is well-settled. The snowpack depth varies from around 300-400 cm around 1200 to 1400 m and tapers rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. Recent strong easterly wind has produced wind slabs on lee terrain features. This wind direction is atypical, so you may find wind slabs in terrain features that don't usually have them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"4232q","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1olqk","text":"In the northern part of the region (i.e. Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since Feb 17. If one were to trigger the layer, it would likely be in a thin, shallow, rocky spot. A cornice fall could also trigger it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"A surface crust now exists in all terrain except shaded alpine slopes. Open terrain is heavily wind affected. The snowpack is generally strong and settled, however weak faceted snow and crusts exist near the base of the snowpack in some areas, particularly the eastern and northern parts of the region. This layer is considered dormant, as it hasn't produced an avalanche since Feb 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Wind has varied in direction, meaning that wind slabs may be found on all aspects, particularly in steep terrain adjacent to ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"Two layers of surface hoar layer buried on March 1st and February 19 may be found around 40 to 90 cm deep. These layers have been most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"Near the base of the snowpack, an early-season layer of faceted grains and melt-freeze crust may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Recent moderate to strong northeast and east wind has redistributed the snow and formed wind slabs at all elevations. New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. It may sit over a crust on solar aspects. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":155,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. A few different layers of surface hoar and melt-freeze crust exist in the upper snowpack. This layers have produced some isolated avalanches over the past two weeks and remain possible to trigger. One layer was buried a week ago and may be found about 20 to 40 cm deep, but the most widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees (e.g. in this MIN). The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":609,"length":3,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"dh7ff","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. Recent strong easterly wind has produced wind slabs on lee terrain features. This wind direction is atypical, so you may find wind slabs in terrain features that don't usually have them.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface. This layer has been the culprit of recent avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"Recent moderate to strong northeast wind has created widespread wind effect in exposed terrain. With recent sun and relatively warm temperatures expect to find either moist surface snow or crust on slopes facing the sun. 30-50 cm of new snow from last week may sit on a surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1vvno","text":"A widespread weak layer of surface hoar buried at the end of February is 60-100 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":292,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"Recent moderate to strong northeast wind has created widespread wind effect in exposed terrain. With recent sun and relatively warm temperatures expect to find either moist surface snow or crust on slopes facing the sun. 30-50 cm of new snow from last week may sit on a surface hoar layer and/or a sun crust on steep solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. On solar aspects, this layer may sit over a crust. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":269,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"ebqn","text":"Wind slabs and otherwise a wind-affected snow surface exist in exposed terrain at alpine and treeline elevations from predominantly northeast wind. In sheltered features, soft and faceted snow may be found. Clear skies and have melted the snow surface on sun-exposed slopes during the day and frozen it into a melt-freeze crust during nights and cloudy days.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30 to 60 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9. There are several additional layers of surface hoar that are now buried 70 to 120 cm and 110 to 160 cm deep. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":113,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"dofk9","text":"Wind from the northeast over the weekend has redistributed snow and formed wind slabs at all elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Reports indicate that this layer may be absent in the northern tip of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dtrep","text":"There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":152,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. A few different layers of surface hoar and melt-freeze crust exist in the upper snowpack. These layers have produced some isolated avalanches over the past two weeks and remain possible to trigger. One layer was buried a week ago and may be found about 20 to 40 cm deep, but the most widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees (e.g. in this MIN). The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":610,"length":3,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"atn32","text":"Recent sunshine has been strong enough to create a new surface crust on steep southerly slopes, thickest at lower elevations. Recent wind slabs are expected to be on a positive stabilizing trend.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ertr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"734it","text":"At lower elevations, two surface hoar layers 50-60 cm and 75-90 cm below the surface remain a concern - especially where a slab has formed on the surface from warming and/or winds over the weekend. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"8ulqv","text":"5cm of new snow fell overnight at treeline, but only a trace was recorded in valley bottoms. This new snow overlies a sun crust on solar aspects and previously formed wind slabs everywhere else. These buried wind slabs are found at all elevations and extend into open areas all the way to valley floor. The slabs are failing at a depth of about 20cm, which is making for generally poor quality skiing. Cornices are larger than normal. Although they haven't been active recently, any corniced area or slopes below should be avoided.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"Sustained above freezing temperatures for the past few days has resulted in moist snow on the surface. Crusts may form overnight, and shaded alpine slopes likely have hard wind slabs on the surface. The snowpack is well-settled. Depths are roughly 300-400 cm around 1200-1400 m and taper rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cua3p","text":"A mix of windblown new snow and wind-scoured surfaces is likely to be found throughout the region. By Thursday, in sheltered areas the new snow is expected to amount to about 5 cm. As a result, small but reactive new wind slabs may overlie sun crust on south and west-facing slopes, but these are likely confined to immediate lee areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"autm0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34gno","text":"Recent warming tested the strength of wind slabs as well as the basal snowpack. Neither of these produced notable avalanche activity as a result, however the surface got warm and wet enough to create unstable moist and wet snow on the surface in recent afternoons. There's some evidence that warming temporarily increased instability in shallow snowpack areas as well as in cornices.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Wind has varied in direction, meaning that wind slabs may be found on all aspects, particularly in steep terrain adjacent to ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 40 cm deep. This layer has been most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind. This wind direction is atypical, so you may find small pockets of wind slabs in terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"ebqn","text":"Wind-affected snow surface exist in exposed terrain at alpine and treeline elevations from predominantly northeast wind. Previously formed wind slabs have likely bonded given the recent warming trend. In sheltered terrain, soft and faceted snow may be found. Clear skies have melted the snow surface on sun-exposed slopes during the day and frozen it into a melt-freeze crust during nights.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30 to 60 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":113,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"727am","text":"Moderate to strong winds have created widespread wind effect and formed wind slabs that may remain possible to trigger in isolated areas. With recent sun and relatively warm temperatures, expect to find either moist surface snow or crust on slopes facing the sun. 30-50 cm of new snow from last week may sit on a surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faq4j","text":"A widespread weak layer of surface hoar buried at the end of February is 60-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. The last reported avalanche activity on this layer occurred March 8th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":427,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"dofk9","text":"Moderate to strong winds have redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas. With recent sun and relatively warm temperatures, expect to find either moist surface snow or crust on slopes facing the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. The last reported avalanche activity on this layer occurred March 6th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":468,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"6m734","text":"Previous moderate to strong northeast and east wind redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas. With recent sun and relatively warm temperatures, expect to find either moist surface snow or crust on slopes facing the sun. New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. The last reported avalanche activity on this layer occurred March 11th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":416,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4232q","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1olqk","text":"In the northern part of the region (i.e. Duffey/Hurley/Gold Bridge), a deep instability may linger at the base of the snowpack. It has not produced an avalanche since Feb 17, but could still possibly be triggered on shallow rocky slopes or from large cornice falls.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"A surface crust now exists in all terrain except shaded alpine slopes, while open terrain is heavily wind affected. The surface will soften during the heat of the day. The snowpack is generally strong and settled, with the exception of some areas that have weak faceted snow near the base of the snowpack, particularly in eastern and northern parts of the region. However, this layer is considered dormant and has not produced an avalanche since Feb 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"Previous moderate to strong northeast and east wind redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas. With recent sun and relatively warm temperatures, expect to find either moist surface snow or crust on slopes facing the sun. New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar is buried 60-120 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer and where avalanches have shown reactivity within the past week. Though there is a low likelihood of triggering an avalanche on this layer, the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":400,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"dh7ff","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind. This wind direction is atypical, so you may find small pockets of wind slabs in terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface. This layer has been the culprit of recent avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"Surface conditions are highly variable with a mix of crusts, moist snow, hard wind slabs, and soft faceted snow. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. The snowpack is generally strong and settled, with the exception of some areas that have weak faceted snow near the base of the snowpack, particularly in eastern and northern parts of the region. However, this layer is considered dormant and has not produced an avalanche since Feb 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"Sustained above freezing temperatures for the past few days has resulted in moist snow on the surface. Crusts may form overnight, and shaded alpine slopes likely have hard wind slabs on the surface. The snowpack is well-settled. Depths are roughly 300-400 cm around 1200-1400 m and taper rapidly with elevation, with no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. A few different layers of surface hoar and melt-freeze crust exist in the upper snowpack. These layers have produced some isolated avalanches over the past two weeks and remain possible to trigger. One layer was buried a week ago and may be found about 10 to 30 cm deep, but the most widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees (e.g. in this MIN). The remainder of the snowpack is strong and well-settled.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":610,"length":3,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/162d77f0-be0a-4452-8a99-920e970bbd0d"}}}}
{"blocks":[{"key":"4232q","text":"Surface conditions are highly variable with a mix of crusts, moist snow, hard wind slabs, and soft faceted snow. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. Northern parts of the region (e.g.. Duffey/Hurley/Gold Bridge) have had a deep instability lingering at the base of the snowpack for most of the season. This layer has gained strength over the past month (the last reported avalanche was on Feb 17), but it is still worth considering this layer when assessing shallow rocky slopes in this part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"On Wednesday, temperatures reached 0 C up to 1800 m with strong solar radiation. You can expect to find either moist surface snow or crust on sun-exposed slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2sdpb","text":"Snow from last week may sit on a surface hoar layer and a crust on steep solar aspects. Moderate to strong winds have redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 6th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":459,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"On Wednesday, temperatures reached 0 C up to 2000 m with strong solar radiation. You can expect to find either moist surface snow or crust on sun-exposed slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e17f2","text":"Snow from last week may sit on a surface hoar layer and a crust on steep solar aspects. Moderate to strong northeast and east wind redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faq4j","text":"A widespread weak layer of surface hoar buried at the end of February is 60-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported on March 8th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":421,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"a5sjo","text":"On Wednesday, temperatures reached 0 C up to 2000 m with strong solar radiation. You can expect to find either moist surface snow or crust on sun-exposed slopes.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dalt5","text":"Snow from last week may sit on a weak surface hoar layer and a crust on steep solar aspects formed in early March. Moderate to strong northeast and east wind redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar from late February is buried 60-120 cm deep. Though there is a low likelihood of triggering an avalanche on this layer, the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":240,"length":15,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"4s6s5","text":"Wind has varied in direction, meaning that wind slabs may be found on all aspects, particularly in steep terrain adjacent to ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 40 cm deep. This layer has been most sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"dh7ff","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface and has been the culprit of recent avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ebqn","text":"Wind-affected snow surfaces exist in exposed terrain at alpine and treeline elevations from predominantly northeast wind. Previously formed wind slabs have likely bonded given the recent warm temperatures. In sheltered terrain, soft and faceted snow may be found. Clear skies have melted the snow surface on sun-exposed slopes during the day and frozen it into a melt-freeze crust during nights.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30 to 60 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":113,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"8ulqv","text":"A dusting of recent snow overlies a sun crust on solar aspects and previously formed wind slabs everywhere else. These buried wind slabs are found at all elevations and extend into open areas all the way to valley floor. The slabs are failing at a depth of about 20cm, which is making for generally poor quality skiing. Cornices are larger than normal. Although they haven't been active recently, any corniced area or slopes below should be avoided.  Stability changes during the day based on incoming solar radiation.  As the snowpack warms up, it becomes less stable.  These decreases in stability on most noteable on steep solar aspects so plan you trip to avoid these areas later in the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"On Wednesday, temperatures reached 0 C up to 2000 m with strong solar radiation. You can expect to find either moist surface snow or crust on sun-exposed slopes. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"81c1n","text":"New snow from last week may sit on a weak surface hoar layer and a sun crust on steep solar aspects. Moderate to strong northeast and east wind redistributed snow and formed wind slabs that may remain possible to trigger in isolated areas. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 11th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. Read more about surface hoar on our forecaster blog.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":407,"length":15,"key":0}],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/blogs/house-of-cards","target":"_self","url":"https://www.avalanche.ca/blogs/house-of-cards"}}}}
{"blocks":[{"key":"727am","text":"Surface conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Reports indicate that surface hoar may be developing on the surface on sheltered, shady slopes. Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faq4j","text":"A widespread weak layer of surface hoar buried in late February is now 60-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported on March 8th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"atn32","text":"Recent strong north and east winds have created widespread wind effect in the alpine and tree line. Sunshine has been strong enough to create a new surface crust on steep southerly slopes, thickest at lower elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ertr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"734it","text":"At lower elevations, two surface hoar layers 50-60 cm and 75-90 cm below the surface remain a concern in the northern part of the region - especially where a slab has formed on the surface from warming and/or winds. Recent warm temperatures for an extended period are likely having a stabilizing effect on these buried weak layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"dh7ff","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface and has been the culprit of recent avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ebqn","text":"Wind-affected snow surfaces exist in exposed terrain at alpine and treeline elevations from predominantly northeast wind. Previously formed wind slabs have likely bonded given the recent warm temperatures. In sheltered terrain, soft and faceted snow may be found. Clear skies have melted the snow surface on sun-exposed slopes during the day and frozen it into a melt-freeze crust during nights.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30 to 60 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":113,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"f9u6","text":"Sustained above freezing temperatures for the past few days has resulted in moist snow on the surface. Crusts may form overnight, and shaded alpine slopes likely have hard wind slabs on the surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cskvm","text":"The snowpack is well-settled. Snowpack depths rapidly with elevation, with 300-400 cm at treeline and no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"Surface conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Reports indicate that surface hoar may be developing on the surface on sheltered, shady slopes. Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 6th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4232q","text":"Surface conditions are highly variable with a mix of crusts, moist snow, hard wind slabs, and soft faceted snow. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. Northern parts of the region (e.g.. Duffey/Hurley/Gold Bridge) have had a deep instability lingering at the base of the snowpack for most of the season. While this layer has gained strength over the past month (the last reported avalanche was on Feb 17), it is still worth considering when assessing shallow rocky slopes in this part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are highly variable with a mix of crusts, moist snow, and hard wind slabs. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. Persistent weak layers may be found in the upper snowpack, but have trended towards being unreactive under the current conditions. The most widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees and has produced a few isolated avalanches over the past few weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"914re","text":"Crusts can be expected on solar aspects up to the peaks.  Last weeks few cm of snow has settled and is overlying a temperature crust on all but true north aspects up to 2000m.  The mod pack is generally well settled but the concern for the basal facets still persists.  Especially in thinner snowpack areas.  Most alpine areas are wind affected and the best chance for good snow will be on a sheltered north aspect. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"Surface conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Reports indicate that surface hoar may be developing on the surface on sheltered, shady slopes. Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar from late February is buried 60-120 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Though there is a low likelihood of triggering an avalanche on this layer, the consequences of doing so would be high. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cua3p","text":"A mix of windblown new snow and wind-scoured surfaces is likely to be found throughout the region. About 5 cm of new snow midweek has been redistributed by moderate southwest winds. As a result, small but reactive new wind slabs have developed and are likely confined to immediate lee areas.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"autm0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34gno","text":"Recent warming tested the strength of the snowpack. In the end it left its mark by creating  moist and/or wet snow on the surface on most aspects except North. This has since more than likely turned to crust that has recently been covered over by new snow. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Wind has varied in direction, meaning that wind slabs may be found on all aspects, particularly in steep terrain adjacent to ridges.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 40 cm deep. Wind slabs sitting over this layer have been sensitive to human triggering at treeline elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it. With cooling temperatures and increased cloud cover over the next few days, deep persistent avalanches on these layers are unlikely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"Surface conditions are highly variable with a mix of crusts, moist snow, hard wind slabs, and soft faceted snow. The surface will become moist on sun-exposed slopes and at lower elevations throughout the day. The snowpack is generally strong and settled, with the exception of some areas in the eastern and northern parts of the region that have weak faceted snow near the base of the snowpack. However, this layer is considered dormant and has not produced an avalanche since Feb 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Surface conditions are highly variable with a mix of crusts, moist snow, hard wind slabs, and soft faceted snow. Reports indicate that surface hoar may be developing on the surface on sheltered, shady slopes. Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 11th. There is a low likelihood of triggering an avalanche on this layer, but the consequences of doing so would be high.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Around 10 cm of new snow is falling over extensively wind-affected surfaces, and over melt-freeze crusts on solar aspects and low elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 40 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it. With cooling temperatures and increased cloud cover over the next few days, deep persistent avalanches on these layers are unlikely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are a variable mix of crust and hard old wind slabs, with the surface becoming moist on sun-exposed slopes and at lower elevations each day. Small surface hoar has been growing on the surface each night, likely remaining intact on shaded aspects during the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"f5tpv","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"av39q","text":"Persistent weak layers may be found in the upper snowpack, but have been trending towards dormancy. The most prominent and widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees and has produced a few isolated avalanches over the past few weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"a5sjo","text":"With snow on the way, Sunday's surface conditions will comprise the next interface. Recent reports indicate that surface conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Observers have noted that surface hoar may be forming on sheltered, shady slopes. These conditions will be important to track across aspects and elevations if you're spending time in the mountains on Sunday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dmfst","text":"Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"91j6v","text":"A widespread weak layer of surface hoar from late February is buried 60-120 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Though there is a low likelihood of triggering an avalanche on this layer, the consequences of doing so would be high. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dh7ff","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface and has been the culprit of recent avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"Alternating warm daytime and cool overnight temperatures have created widespread surface melt-freeze crusts that vary in thickness according to elevation and aspect. A few high elevation, shaded slopes may still hold dry, previously wind-affected snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6vvvs","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dl5a1","text":"Moving forward, a similar melt-freeze regime is expected for Sunday before an incoming storm over Sunday night delivers new snow to bury the current surface.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9s9pb","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cskvm","text":"The snowpack is well-settled. Snowpack depths diminish rapidly with elevation, with 300-400 cm at treeline and no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"With snow on the way, Sunday's surface conditions will comprise the next interface. Recent reports indicate that conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Observers have noted that surface hoar may be forming on sheltered, shady slopes. These conditions will be important to track across aspects and elevations if you're spending time in the mountains on Sunday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dc22r","text":"Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fhqbm","text":"A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 6th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"crbln","text":"Solar aspects have crust but luckily the more polar aspects are still holding dry snow.  Surface crusts were breaking down and becoming moist by 10am but luckily dry snow was found all the way to the valley floor.   Alpine areas are wind affected but sheltered places are offering good skiing potential.  Surface hoar is widespread on polar aspects and may become a problem with the new snow forecast this week.  Thin weak areas are the key places to be mindful of and the potential to awaken the basal layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"With snow on the way, Sunday's surface conditions will comprise the next interface. Recent reports indicate that conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Observers have noted that surface hoar may be forming on sheltered, shady slopes. These conditions will be important to track across aspects and elevations if you're spending time in the mountains on Sunday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1kemm","text":"Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"faq4j","text":"A widespread weak layer of surface hoar buried in late February is now 60-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported on March 8th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"With snow on the way, Sunday's surface conditions will comprise the next interface. Recent reports indicate that conditions are highly variable with a mix of sun crusts, moist snow, hard wind slabs, and soft faceted snow. Observers have noted that surface hoar may be forming on sheltered, shady slopes. These conditions will be important to track across aspects and elevations if you're spending time in the mountains on Sunday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"3cfo3","text":"Cornices are large, looming, and weakening with warm temperatures and strong solar radiation.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"flhj1","text":"A weak layer of surface hoar buried February 22 may be found 50-100 cm deep. Sheltered north, northeast, and east facing slopes near treeline are the most likely locations to find this layer. Avalanche activity on this layer was last reported March 11th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4232q","text":"Surface conditions are a variable mix of crusts, hard wind slabs, and soft faceted snow, with the surface becoming moist on sun-exposed slopes and at lower elevations each day. The mid snowpack is well settled and strong.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2bt5t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5dtko","text":"Northern parts of the region (e.g.. Duffey/Hurley/Gold Bridge) have had a deep instability lingering at the base of the snowpack for most of the season. While this layer has gained strength over the past month (the last reported avalanche was on Feb 17), it is still worth considering when assessing shallow, rocky slopes in this part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"Surface conditions are a variable mix of crusts, hard wind slabs, and soft faceted snow, with surface crusts becoming moist on sun-exposed slopes and at lower elevations each day. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fn6db","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1qd08","text":"The snowpack is generally strong and settled, with the exception of some areas in the eastern and northern parts of the region that have weak faceted snow near the base of the snowpack. However, this layer is considered dormant and has not produced an avalanche since February 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"82h3j","text":"Sunny skies have formed a melt-freeze crust on sun-exposed slopes. The alpine consists of wind affected snow from easterly wind, so you may find small pockets of wind slabs in atypical terrain features on south to west aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"ebqn","text":"15-25 cm of new snow is falling over extensively wind-affected surfaces and over melt-freeze crusts on solar aspects and low elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 40 to 80 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":113,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"dh7ff","text":"A dusting of new snow sits over melt-freeze crusts on solar aspects and at lower elevations, and extensively wind affected surfaces in exposed terrain that did not see the sun.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"jqbc","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface and has been the culprit of previous avalanche activity near Fernie.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"baffl","text":"The middle of the snowpack is generally strong, but the base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"The past week of warm weather has formed moist and crusty surfaces which will be buried by 15-25 cm of new snow by Monday afternoon. There is some uncertainty about how well the new snow will bond to these interfaces. The snowpack is generally strong and settled, with the exception of some areas in the eastern and northern parts of the region that have weak faceted snow near the base of the snowpack. However, this layer is considered dormant and has not produced an avalanche since February 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4232q","text":"The past week of warm weather has formed moist and crusty surfaces which will be buried by 15-25 cm of new snow by Monday afternoon. There are some reports suggesting surface hoar has formed on shaded slopes at lower elevations. There is some uncertainty about how well the new snow will bond to these interfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5dtko","text":"Northern parts of the region (e.g.. Duffey/Hurley/Gold Bridge) have had a deep instability lingering at the base of the snowpack for most of the season. While this layer has gained strength over the past month (the last reported avalanche was on Feb 17), it is still worth considering when assessing shallow, rocky slopes in this part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"Surface conditions are a variable mix of crusts, moist snow, and hard old wind slabs. Small surface hoar has been growing on the surface each night, likely remaining intact on shaded aspects during the day.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"av39q","text":"Persistent weak layers may be found in the upper snowpack, but have been trending towards dormancy. The most prominent and widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees and has produced a few isolated avalanches over the past few weeks.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"727am","text":"5-15 cm of new snow is forecast to accumulate by Monday afternoon. Moderate southwest winds at ridge-tops may build wind slabs primed for human triggering on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"28u0d","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you're travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"1kemm","text":"Cornices are large and looming. Two layers of buried surface hoar may be found buried 20-40 cm deep (March 10) and 60-120 cm deep (February 22). Though there is a low likelihood of triggering an avalanche on these layers, the consequences of doing so would be high. Avalanche activity on the Feb 22 layer was last reported on March 8th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"82h3j","text":"A dusting of up to 10 cm of new snow sits over melt-freeze crusts on solar aspects, and extensively wind affected surfaces in exposed terrain that did not see the sun. Surface hoar was observed on these old surfaces before they were buried, mostly on shady aspects.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"msgv","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"pfg1","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"a5sjo","text":"5-15 cm of new snow is forecast to accumulate by Monday afternoon. Moderate southwest winds at ridge-tops may build wind slabs primed for human triggering on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"63s7q","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you're travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"dmfst","text":"Cornices are large and looming. Two layers of buried surface hoar can be found buried 20-40 cm deep (March 10) and 60-120 cm deep (February 22). Though there is a low likelihood of triggering an avalanche on these layers, the consequences of doing so would be high. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"6m734","text":"Up to 10 cm of new snow is forecast to accumulate by Monday afternoon in favored areas. Moderate southwest winds at ridge-tops may build wind slabs primed for human triggering on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8dpvb","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"3cfo3","text":"Cornices are large and looming. Surface hoar buried February 22 may be found 50-100 cm deep. Avalanche activity on this layer was last reported March 11th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"ebqn","text":"Up to 25 cm of new snow sits over melt-freeze crusts on solar aspects, and extensively wind affected surfaces in exposed terrain that did not see the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30-60 cm in sheltered areas at and below treeline. See this MIN from the Shames area that shows this layer when it was on the surface, prior to burial on March 9.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":110,"length":3,"key":0}],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/mountain-information-network/submissions/87d5421f-666e-423b-8eca-66dcffb8052a"}}}}
{"blocks":[{"key":"dofk9","text":"5-15 cm of new snow is forecast to accumulate by Monday afternoon. Moderate southwest winds may build wind slabs primed for human triggering on lee features at upper elevations. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6nr8i","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There are limited observations in the region, but neighboring regions have reported surface hoar forming on sheltered, shady slopes. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dc22r","text":"Cornices are large and looming. A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Avalanche activity on this layer was last reported March 6th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Up to 20 cm of new snow sits over melt-freeze crusts on solar aspects, and extensively wind affected surfaces in exposed terrain that did not see the sun. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 30-50 cm deep.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it. With cooling temperatures and increased cloud cover over the next few days, deep persistent avalanches on these layers are unlikely.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"The past week of warm weather has formed moist and crusty surfaces which will be buried by 15-30 cm of new snow by Monday afternoon. There is some uncertainty about how well the new snow will bond to these interfaces. A few high elevation, shaded slopes may still hold dry, previously wind-affected snow.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"6vvvs","text":"The snowpack is well-settled. Snowpack depths diminish rapidly with elevation, with 300-400 cm at treeline and no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"7g8i5","text":"5cm of snow that fell Saturday has sluffed in steeper terrain and has probably become moist to some degree on solar aspects.  Polar aspects have remained dry.  Sunday's strong westerly flow in the alpine has created some slabbing, especially in lee areas. Expect to find crusts on solar aspects.  Thin weak areas are the key places to be mindful of and the potential to awaken the basal layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"10-15 cm of new snow covers moist and crusty layers that formed over the past week. There is some uncertainty about how well the new snow will bond to these interfaces. The snowpack is well-settled. Snowpack depths diminish rapidly with elevation, with 300-400 cm at treeline and no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4232q","text":"Current unsettled weather will continue to give localized accumulations of new snow on Tuesday, with the most probable accumulations around the southern part of the region (i.e. Cascades). Snowfall amounts as of Monday afternoon are 2-15 cm, and these amounts could double by Tuesday afternoon. The new snow is burying moist and crusty snow, as well as potentially some small surface hoar  on shaded slopes at lower elevations. Overall, there is some uncertainty about how well the new snow will bond to these interfaces.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"5dtko","text":"Northern parts of the region (e.g.. Duffey/Hurley/Gold Bridge) have had a deep instability lingering at the base of the snowpack for most of the season. While this layer has gained strength over the past month (the last reported avalanche was on Feb 17), it is still worth considering when assessing shallow, rocky slopes in this part of the region.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"2sqff","text":"A light dusting of snow sits above a variable mix of crusts, moist snow, and hard old wind slabs. Small surface hoar has been growing on the surface each night, likely remaining intact on shaded aspects during the day. Persistent weak layers may be found in the upper snowpack, but have been trending towards dormancy. The most prominent and widespread layer was buried in late February and is now 40 to 80 cm deep. This layer is most commonly found in open trees and has produced a few isolated avalanches over the past month.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"Most of the region picked up a few cm of snow Sunday with light wind, but areas near Barkerville/Wells picked up 30 cm of new snow by the end of the day Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej1","text":"The new snow rests on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There are limited observations in the region, but neighboring regions have reported surface hoar forming on sheltered, shady slopes. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dc22r","text":"Cornices are large and looming. A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Avalanche activity on this layer was last reported March 6th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Sunday's storm only produced a few cm of snow with light to moderate wind mainly out of the southwest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8dpvb","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"3cfo3","text":"Cornices are large and looming. Surface hoar buried February 22 may be found 50-100 cm deep. Avalanche activity on this layer was last reported March 11th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"atn32","text":"5-15 cm of recent new snow sits on top of a variety of old surfaces including hard wind affected snow, sun crust on slopes facing the sun and a melt freeze crust at lower elevations.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8ertr","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"734it","text":"At lower elevations, two surface hoar layers 50-60 cm and 75-90 cm below the surface may still be present in the northern part of the region. Warm temperatures for an extended period last week have likely had a stabilizing effect on these buried weak layers. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"aufs5","text":"5-15 cm of new snow now covers moist and crusty layers that formed over the past week. There is some uncertainty about how well the new snow will bond to these interfaces. A few high elevation, shaded slopes may still hold dry, previously wind-affected snow. The snowpack is generally strong and settled, with the exception of some areas in the eastern and northern parts of the region that have weak faceted snow near the base of the snowpack. However, this layer is considered dormant and has not produced an avalanche since February 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Around 5 to 15 cm of snow fell Sunday night with northeast wind. Wind slabs may form in areas where the wind speed picks up on Tuesday. These slabs will sit on a melt-freeze crust on sun-exposed slopes and otherwise previously wind-affected snow, so the new slabs may take some time to bond to the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 30 to 50 cm deep, particularly in sheltered terrain around treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcrops. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cua3p","text":"About 10 cm of new snow fell toward the end of the weekend. This has been redistributed by moderate southwest winds initially, switching to north and northeast. As a result, small  new wind slabs have developed on a variety of aspects. This new snow likely sits on a variety hard surfaces which may include old wind affected snow or melt freeze crust left as a remnant of last week's warm weather. The lower snowpack is well settled with little concern at this time. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"autm0","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"34gno","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"d1oph","text":"Snowfall and southwest wind are forecast for the coming days, which will form wind slabs in exposed terrain. Expect the slabs to be thickest and most reactive in lee terrain features adjacent to ridge lines. The slabs will sit on a melt-freeze crust on sun-exposed slopes or previously wind-affected snow, so these slabs may take some time to bond to the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7fdgs","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 40 to 80 cm below the surface. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fba3v","text":"The base of the snowpack contains basal facets that are most prominent in shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":40,"length":6,"key":0}],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"url":"https://www.avalanche.ca/glossary?q=crust#faceted-snow"}}}}
{"blocks":[{"key":"a5sjo","text":"1 to 5 cm of new snow fell across the region Sunday.  Most wind was light and variable, but high elevation stations have showed some moderate wind out of the south which may build wind slabs on lee features.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"63s7q","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you're travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"dmfst","text":"Cornices are large and looming. Two layers of buried surface hoar can be found buried 20-40 cm deep (March 10) and 60-120 cm deep (February 22). Though there is a low likelihood of triggering an avalanche on these layers, the consequences of doing so would be high. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"727am","text":"1 to 5 cm fell across the region Sunday with light variable wind, but moderate gusts at ridge-top may be forming shallow wind slabs.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"28u0d","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you're travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"1kemm","text":"Cornices are large and looming. Two layers of buried surface hoar may be found buried 20-40 cm deep (March 10) and 60-120 cm deep (February 22). Though there is a low likelihood of triggering an avalanche on these layers, the consequences of doing so would be high. Avalanche activity on the Feb 22 layer was last reported on March 8th.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"67fag","text":"5cm of new snow fell via convective flurries throughout the day under generally light winds.  This is now up to 10cm of new snow that has fallen on top of crusts on solar aspects and on dry powder snow on polar aspects.  The mid pack is well settled and concerns still exist with basal crusts.  Buried windslabs can be expected at ridge lines and remember that human triggering is still possible in steeper terrain...Which you should not be in because we are asking you to dial it back.  ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"cfru6","text":"Snowfall and southwest wind are forecast for the coming days, which will form wind slabs in exposed terrain. Expect the slabs to be thickest and most reactive in lee terrain features adjacent to ridge lines. The slabs will sit on a melt-freeze crust on sun-exposed slopes or previously wind-affected snow, so these slabs may take some time to bond to the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1uqau","text":"A layer of faceted grains overly a melt-freeze crust from early February. This layer currently sits 30 to 60 cm below the surface. This layer remains dormant and has not produced a reported avalanche for about a week.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"27ha4","text":"The base of the snowpack may contain a weak layer of faceted grains that are most prominent in shallow rocky start zones with a snowpack depth of 150 cm or less.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9si9t","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"ebqn","text":"Around 10 to 15 cm of snow fell Sunday night in the south of the region with strong northwest switching to southeast wind, likely forming wind slabs in exposed terrain features. In the northern half of the region, the wind was also howling so new slabs may be found. These slabs likely sit on a melt-freeze crust on sun-exposed slopes and otherwise previously wind-affected snow, so the new slabs may take some time to bond to the snowpack.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"9a4b8","text":"A layer of surface hoar crystals is buried around 30 to 60 cm in sheltered areas at and below treeline.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"cv3bg","text":"An early-season layer of faceted grains and a melt-freeze crust may linger at the base of the snowpack. A large load, such as a cornice fall, has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"6m734","text":"Sunday's storm only produced a few cm of snow with light to moderate wind mainly out of the southwest. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"8dpvb","text":"The new snow is falling on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There have also been reports of surface hoar forming on sheltered, shady slopes. See this MIN for a helpful illustration from nearby Glacier National Park. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[{"offset":219,"length":3,"key":0}],"data":{}},{"key":"3cfo3","text":"Cornices are large and looming. Surface hoar buried February 22 may be found 50-100 cm deep. Avalanche activity on this layer was last reported March 11th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"bbtfb","text":"Deeply buried facets lurk near the bottom of the snowpack. This layer has been responsible for sporadic deep persistent slab avalanches, usually triggered from shallow, rocky start zones.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{"0":{"type":"LINK","mutability":"MUTABLE","data":{"href":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7","target":"_self","url":"https://www.avalanche.ca/map?panel=mountain-information-network-submissions/054ec7cd-8458-4a3e-ad58-7e708fa2f0a7"}}}}
{"blocks":[{"key":"aufs5","text":"5-15 cm of fresh snow now covers moist and crusty layers that formed over the past week. There is some uncertainty about how well the new snow will bond to these interfaces. The snowpack is generally strong and settled, with the exception of some areas in the eastern and northern parts of the region that have weak faceted snow near the base of the snowpack. However, this layer is considered dormant and has not produced an avalanche since February 20.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"f9u6","text":"15-25 cm of new snow covers moist and crusty layers that formed over the past week. There is some uncertainty about how well the new snow will bond to these interfaces. The snowpack is well-settled. Snowpack depths diminish rapidly with elevation, with 300-400 cm at treeline and no snow below 700 m.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"dofk9","text":"Most of the region picked up a few cm of snow Sunday with light wind, but areas near Barkerville/Wells picked up 30 cm of new snow by the end of the day Monday.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"7dej1","text":"The new snow rests on a variety of snow surfaces, consisting of sun crusts, hard wind-affected snow, and soft faceted snow. There are limited observations in the region, but neighboring regions have reported surface hoar forming on sheltered, shady slopes. It will be important to track the depth, cohesiveness, and bond of the new snow to these various old snow surfaces across aspects and elevations where you are travelling.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"dc22r","text":"Cornices are large and looming. A weak layer of surface hoar buried at the end of February may be found 50-100 cm deep, except in the northern tip of the region. Avalanche activity on this layer was last reported March 6th. ","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}
{"blocks":[{"key":"4s6s5","text":"Around 5 to 15 cm of snow fell Sunday night with northeast wind. Wind slabs may form in areas where the wind speed picks up on Tuesday night. Any new slabs will sit on a melt-freeze crust on sun-exposed slopes and over previously wind-affected snow on other aspects. Slabs formed over crust may take a bit longer to stabilize.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"78qsi","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"1i6dt","text":"A weak layer of surface hoar crystals buried early March may be found around 30 to 50 cm deep, particularly in sheltered terrain around treeline. Recent observations of this layer are limited.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"fte2v","text":"","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"2ajut","text":"An early-season layer of faceted grains and melt-freeze crust near the base of the snowpack may linger. The most suspect locations to trigger this layer would be where the snowpack is thin near rocky outcroppings. A large load, such as a cornice fall, also has the potential of triggering it.","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}