Storm snow avalanches are becoming more stubborn to trigger. As the storm snow settles into a cohesive slab or is transported into a wind slab, wider fracture propagations resulting in larger avalanches are a concern.
This potent new storm slab will be tricky to manage as it overlies a variety of weak surfaces. A conservative and investigative approach is required for safe mountain travel.
New storm snow and strong Westerly winds are expected to develop storm slabs at all elevations.
The new storm should develop during the day and avalanche danger is expected to increase. New snow may make it difficult to notice wind slabs left from the recent Northerly winds.
New storm snow and strong Northwest or Westerly winds should develop a touchy storm slab above recently faceted surface snow and wind crusts.
The warm new storm snow is expected to release naturally and may be very easy to trigger by skiers and sledders. As the storm slab builds expect large avalanches.
Limited new snow 10-15 cms has made it into the interior with the first pulse of the new storm. Old facetted surface crusts and surface hoar have been buried by this new storm.
The new storm slab is developing as the Pacific moisture is pushed inland from the North Coast. Expect this storm slab to become more reactive when temperatures and freezing levels rise.
Ongoing snowfall will add to a developing storm slab which overlies a variety of weak surfaces. Watch for increased reactivity in wind affected terrain. The new snow may also react as a loose dry avalanche in steep, sheltered areas.
Ongoing snowfall will add to a developing storm slab which overlies a variety of weak surfaces. Watch for increased reactivity in wind affected terrain. The new snow may also react as a loose dry avalanche in steep, sheltered areas.
The new storm slab is developing as the Pacific moisture is pushed inland from the North Coast. Expect this storm slab to become more reactive when temperatures and freezing levels rise.
The storm slab is continuing to build. Expect natural avalanche activity during the storm. Strong winds, rising temperatures, and heavy loading of new snow may create a cohesive slab that is very easy to trigger.
Old facetted surface crusts and surface hoar have been buried by this new storm. New storm snow is expected to make triggering by skiers and sledders more likely.
Forecast new snow and strong winds are expected to continue to develop storm snow slabs at higher elevations. Rising freezing levels may cause touchy conditions at lower elevations where the recent storm snow has settled into a cohesive slab.
The storm continues to develop a deep storm slab at higher elevations due to very strong winds and heavy precipitation.
Forecast snowfall, wind and warming will add to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the upper snowpack has been affected by warming.
Forecast snowfall, wind and warming will add to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the snowpack has been affected by warm temperatures.
Ongoing snowfall, wind and moderate temperatures will add to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the upper snowpack has been affected by warming.
Ongoing snowfall, wind and warmer temperatures have added to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the snowpack has been affected by warm temperatures.
Ongoing snowfall, wind and moderate temperatures have added to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the upper snowpack has been affected by warming.
Ongoing snowfall, wind and warmer temperatures have added to a developing storm slab problem. Watch for increased reactivity in wind-affected terrain or at elevations where the snowpack has been affected by warm temperatures.
Recent precipitation with strong winds has created storm slabs at tree line and above. Lower elevation snowpack is likely saturated with rain. These wind slabs&nbsp; will take time to bond, but cool air later in the week will reduce the hazard.
Recent snowfall accompanied by high winds has created winds slabs on lee slopes. It will take time for these slabs to bond to the existing snowpack. The areas of major concern are at tree line and above.
The new denser storm and wind slabs are sitting above a weak layer from the cold snap in December. It will take time for these layers to bond. The surface slabs may become easily triggered with increasing snow load.
Recent snow and strong to extreme SW winds have created storm slabs at all elevations. These slabs are increasingly touchy especially at higher elevations, and are expected to get more pronounced with the incoming storm.
Another 20-25 cm of snow is possible through Tuesday, with strong to extreme westerly winds. Expect dense wind slabs in exposed lee terrain well into treeline. These weak wind slabs could fail naturally in specific features.
The concerns at this time are wind loaded areas at tree line and above.  The more dense wind loaded snow may not be well bonded to the facetted snow underneath, and may be highly reactive to skier or sled loading.
Recent storm snow and high winds will have created wind and storm slabs that now sit above a weak layer formed in early December. It will take some time for these quite different layers to bond. Until then, the hazard will remain.
Continued small amounts of precipitation have been accompanied by high winds, making for tricky situations in areas where the wind may have deposited dense wind packed snow.
Coastal locations could see as much as 30 cm of new snow Thursday night. The more interior portions of the region should receive less snow.  New snow will bury recently formed wind slabs that will likely remain sensitive to human triggering.
Friday's storm snow rests on a mixed bag of old surfaces and should remain quite sensitive to human triggering Saturday.  Be advised that any rain will likely result in a radical spike in avalanche activity.
The big test for our dog's breakfast of a snowpack is upon us. Significant snow and rain will likely result in a large and destructive avalanche cycle. Travel only in gentle well supported terrain free of overhead hazard.
On Sunday wind will combine with snow, rain and warming temps to create a touchy storm slab that should increase in sensitivity throughout the day as new snow is added to our complex snowpack. Give yourself options for conservative terrain.
New storm snow may be touchy to rider triggers, especially in wind effected areas. Further loading and smaller avalanches may trigger buried weak layers and create large- very large avalanches.
Strong west winds will likely keep the natural avalanche cycle going Monday.&nbsp; Steer clear of overhead hazard and be aware that the setup is currently ripe for human triggering, even in sheltered terrain.  Keep it conservative for another day or two.
It's starting to look like snow totals from this storm won't be all that impressive, but combine that with Sunday/Monday's strong winds and we'll still see some change in the snowpack.&nbsp; Watch for fresh sensitive wind slabs on Monday. 
="s_3FE45715">New storm snow may be touchy and reactive, especially in wind affected areas. Natural avalanche activity is expected. Further loading and smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
="s_3FE45715">New storm snow may be touchy and reactive, especially in wind affected areas. Natural avalanche activity is expected. Further loading and smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
New snow and wind forecast for Sunday night will create new and potentially reactive storm slabs. Watch for increased triggering in wind-affected terrain.
New snow and wind forecast for Sunday night will create new and potentially reactive storm slabs. Watch for increased triggering in wind-affected terrain.
New snow, wind and surface hoar are colliding Monday. This will likely result in a very touchy storm and wind slab problem. Dig down to see if the surface hoar is present in your area and keep your terrain selection conservative.
The region received about 20cm of snow throughout Monday. Touchy storm slabs now exist and numerous natural avalanches occurred on Monday. Ongoing avalanche activity is expected on Tuesday.
="s_3FE45715">New storm snow may be touchy and reactive, especially in wind affected areas. Natural avalanche activity is expected. Further loading and smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
New storm snow may be touchy and reactive, especially in wind affected areas. Skier/ rider triggered avalanches are likely. Smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
Strong west winds will keep loading lee feature.  While the peek period of natural activity may have passed it would be prudent to keep clear of overhead hazard and be aware that snowpack is primed for human triggering in many areas.
Recent snow combined with sustained strong winds are loading lee features. Watch for developing wind slabs.
New snow, accompanied by wind has loaded a layer of surface hoar . This has resulted in touchy storm slabs . Dig down to see if the surface hoar is present in your area and keep your terrain selection conservative until you are sure it does not.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New storm snow may be touchy and reactive, especially in wind affected areas. Skier/ rider triggered avalanches are likely. Smaller avalanches may trigger deeper buried weak layers and initiate large- very large avalanches. </span><span class="s_AA239
The region received about 20cm of snow throughout Monday. Ongoing westerly winds have shifted accumulations into harder windslabs at all elevations.
="s_3FE45715">New storm snow may be touchy and reactive, especially in wind affected areas. Natural avalanche activity is expected. Further loading and smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
The snow pack will see another heavy load tomorrow with heavy snow fall and rising freezing levels. Travel only in gentle well supported terrain free of overhead hazard.
Expect touchy soft slabs to develop as the temperatures warm through the storm. Strong winds will likely form reactive pockets of windslab in ridgetop and cross loaded lee features in the alpine and at treeline.
In the south: rising freezing levels will bring heavy rains to the alpine and may cause the new snow to react as a wet slab. In the north: continued loading by snow and wind will sustain a widespread storm snow avalanche cycle.
New storm snow may be touchy and reactive, especially in wind affected areas. Smaller avalanches may trigger deeper buried weak layers.
New storm snow may be touchy and reactive, especially in wind affected areas. Natural avalanche activity is expected. Further loading and smaller avalanches may trigger buried weak layers and initiate large- very large avalanches.
Heavy snow and strong winds have created touchy storm slabs everywhere, with wind slabs on north through east facing aspects at higher elevations. Rider triggering remains likely.
The new snow make take a couple days to settle and stabilize. Watch for fresh new wind slabs in exposed north and east facing terrain at higher elevations. 
It will be possible to trigger deep storm and wind slabs in steeper terrain, especially on exposed N-E aspects and at higher elevations where a surface rain crust does not form.
It may be possible to trigger fresh storm and wind slabs, particularly in steep exposed N-E facing terrain, where wind loading has occurred, and at high elevations, where a surface rain crust is absent.
The new snow make take a couple days to settle and stabilize. Watch for fresh new wind slabs in exposed north and east facing terrain at higher elevations.
The new snow make take a couple days to settle and stabilize. Watch for fresh new wind slabs in exposed north and east facing terrain at higher elevations.
More snow is on the way. Some areas could see another 25 cm through Sunday. Expect touchy wind slabs to form in exposed N-E facing terrain and cross-loaded features.
The snow just keeps piling up. Another 20-30 cm is possible through Monday. Expect wind slabs to continue building in exposed lee (N-SE) and cross-loaded terrain.&nbsp;
Another system is set to spread light to moderate snow amounts with strong W-SW winds through Monday. Expect wind slabs to continue building in exposed lee and cross-loaded terrain.&nbsp;
Storm slabs and wind slabs continue to build and may release naturally with more load or from the weight of a rider. Watch for touchy wind slabs on exposed north through southeast facing slopes and cross-loaded features well into treeline.
~30cm of new snow has fallen since Sunday. Use increased caution where wind slabs have formed in exposed lee (N-SE) and cross-loaded terrain.
20-25cm of new snow has fallen since Sunday.  Expect increased hazard in areas where wind slabs have formed such as exposed lee slopes and cross-loaded terrain.
Storm slabs and wind slabs continue to build and may release naturally with more load or from the weight of a rider. Watch for touchy wind slabs on exposed north through southeast facing slopes and cross-loaded features well into treeline.
Storm slabs and wind slabs continue to build and may release naturally with more load or from the weight of a rider. Watch for touchy wind slabs on exposed north through southeast facing slopes and cross-loaded features in the alpine and treeline.
="s_3FE45715">Storm slabs and wind slabs continue to build and may release naturally with more load or from the weight of a rider. Watch for touchy wind slabs on exposed north through southeast facing slopes and cross-loaded features in the alpine and treeline.
20-25cm of new snow has fallen since Sunday and more is expected for Wednesday.&nbsp; Expect increased hazard in areas where wind slabs have formed such as exposed lee slopes and cross-loaded terrain.
Storm slabs and wind slabs continue to build and may release naturally with new loading today or from the weight of a rider. Watch for touchy wind slabs on exposed N through SE facing slopes and cross-loaded features in the alpine and treeline.
Storm slabs and wind slabs continue to build and may release naturally with more load or from the weight of a rider. Watch for touchy wind slabs on exposed north through southeast facing slopes and cross-loaded features in the alpine and treeline.
Around 30-40cm of new snow has fallen since Sunday.&nbsp; Expect increased hazard in areas where wind slabs have formed such as exposed lee slopes and cross-loaded terrain.
Heavy loading from new snow and wind will likely overload the upper snowpack on a variety of aspects but particularly those on lee aspects in exposed areas.
="s_3FE45715">Heavy loading from new snow and wind will likely overload the upper snowpack on a variety of aspects but particularly those on lee aspects in exposed areas.
New snow and wind will likely overload the upper snowpack on a variety of aspects but particularly those on lee aspects in exposed areas.  Keep it conservative Friday as the snowpack adjusts to this new load.
Arial';font-style: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><a id='GoToAdded' href="http://www.fsavalanche.org/Encyclopedia/upside_down_storm.htm" target="_blank"><span class="s_9255B882">Upside down storm slabs</span></a><span class="s_AA239A9B"> are particulary deep and weak on exposed north through southeast facing wind-loaded slopes and cross-loaded features in the alpine and treeline.
Around 30-40cm of new snow has fallen since Sunday.&nbsp; Expect increased hazard in areas where wind slabs have formed such as exposed lee slopes and cross-loaded terrain.
="s_3FE45715">New snow and wind will likely overload the upper snowpack on a variety of aspects, particularly those on lee aspects in exposed areas. Although snowfall will taper Friday, the snowpack will likely be primed for human triggered avalanches.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New snow and wind will likely overload the upper snowpack on a variety of aspects, particularly those on lee aspects in exposed areas. Although snowfall will taper Friday, the snowpack will likely be primed for human triggered avalanches. </span><span class="s_AA239
="s_3FE45715">Loading from new snow and strong W-NW winds is expected to cause a natural avalanche cycle.
="s_3FE45715">Loading from new snow and strong W-NW winds is expected to cause a natural avalanche cycle.
Loading from new snow and strong W-NW winds is likely to cause avalanches, especially on exposed lee slopes.
Strong winds during the storm developed deep pockets of wind transported snow on North thru Southeast facing slopes in the alpine and at treeline. Moderate to strong Northwest winds after the storm may reverse load some Southerly aspects.
Storm slabs may be 30 cm deep and closer to 50 cm where the Southwest winds during the storm transported snow onto North thru East aspects.
Windslabs are expected to keep forming on leeward slopes which could lead to natural avalanches at alpine and treeline. The storm snow in more sheltered areas could be triggered by human or snowmobile in steeper terrain.
="s_3FE45715">The storm snow in conjunction with strong NW winds will likely continue to overload weak layers in the upper meter of the snowpack. Many slopes are primed for human triggered avalanches, particularly on exposed lee aspects at and above treeline.
Windslabs are expected to keep forming on leeward slopes which could lead to natural avalanches. The storm snow in more sheltered areas will still need some time to settle and could be still touchy.
The storm snow in conjunction with strong NW winds will likely continue to overload weak layers in the upper meter of the snowpack. Many slopes are primed for human triggered avalanches, particularly on exposed lee aspects at and above treeline.
="s_3FE45715">Storm snow in conjunction with strong NW winds will likely continue to overload weak layers in the upper meter of the snowpack. Many slopes are primed for human triggered avalanches, particularly exposed lee aspects at and above treeline.
Windslabs are expected to keep forming on leeward slopes which could lead to natural avalanches. The storm snow in more sheltered areas might still need a bit of time to settle and could be triggered by human or snowmobile in steeper terrain.
Snowfall throughout Wednesday will build new and potentially reactive storm slabs. Watch for increased reactivity in wind-exposed terrain.
Snowfall throughout Wednesday will build new and potentially reactive storm slabs. Watch for increased reactivity in wind-exposed terrain.
Moderate accumulations on Wednesday evening will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain, or in areas where buried surface hoar exists.
Forecast moderate accumulations will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain or in areas where buried surface hoar exists.
Snowfall throughout Wednesday night will build new and potentially reactive storm slabs. Watch for increased reactivity in wind-exposed terrain.
Snowfall throughout Wednesday evening will build new and potentially reactive storm slabs. Watch for increased reactivity in wind-exposed terrain.
A storm slab will start building with the accumulation of the snow forecasted. Touchy windslabs will also form with the moderate W-SW winds. Watch for sluffing in steeper sheltered terrain.
Storm slabs continue to build. Watch for touchy wind slabs to form in exposed north and east facing terrain at and above treeline.
Storm slabs continue to build. Watch for new wind slabs to develop in exposed north and east facing terrain at and above treeline.&nbsp;
Forecast light to moderate accumulations will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain, or in areas where buried surface hoar exists.
Forecast accumulations will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain or in areas where buried surface hoar exists.
Some areas could receive 50 cm of new snow by the end of the weekend. Strong W-SW winds may also form deep and touchy wind slabs in exposed lee terrain.
Some areas could see 50 cm of new snow by the end of the weekend. Winds are also expected to be very strong from the W-SW. Expect deep and touchy wind slabs in exposed lee terrain.
Storm slabs continue to build. Watch for reactive wind slabs to form in exposed north and east facing terrain at and above treeline.
Forecast accumulations will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain or in areas where buried surface hoar exists.
Heavy snowfall and intense winds will create potent storm slabs at all elevations. Make conservative terrain choices.
Moderate snowfall and forecast strong winds overnight Friday will add to a developing storm slab. Watch for increased reactivity in wind-exposed terrain.
New snow and wind loading will most likely create instabilities in the snowpack: Windslabs in the alpine and treeline lee of SW winds, sluffing in steeper terrain and possibly storm slab at all elevation and on all aspects.
="s_3FE45715"> New snow and wind loading will most likely create instabilities in the snowpack: Windslabs in the alpine and treeline lee of SW winds, sluffing in steeper terrain and possibly storm slab at all elevation and on all aspects.
="s_3FE45715"> New snow and wind loading will create instabilities in the snowpack: Windslabs in the alpine and treeline lee of SW winds, sluffing in steeper terrain and possibly storm slab at all elevation and on all aspects.
Forecast accumulations will add to a developing storm slab. Watch for increased reactivity in wind-affected terrain or in areas where buried surface hoar exists.
Storm slabs will continue to develop with the ongoing snowfall on in the south of the region. In all areas watch for large and reactive wind slabs in exposed north and east facing terrain at and above treeline.
Heavy snowfall through the last 48 hours and intense winds have created widespread storm slabs at all elevations. Sustained strong winds will continue drive avalanche hazard loading lee features far down slope. Make conservative terrain choices.
Moderate snowfall and forecast strong winds will add to a developing storm slab. In sheltered locations this may sit above a layer of surface hoar. Watch for increased reactivity in wind-exposed terrain.
High winds, warm temperatures and fresh snow have created dangerous avalanche conditions in the backcountry.  Careful consideration is need at this time.  Skiers and sledders may be able to trigger a large  destructive avalanche at this time.
Large amounts of storm snow combined with high winds and rising temperatures have created dangerous avalanche conditions. Careful consideration is needed to travel in avalanche terrain. A skier or sledder might trigger a large avalanche at this time.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715"> Windslabs will keep developing lee of strong W winds and is be the main concern for tomorrow. Beware of the possibility of sluffing in steep sheltered terrain and of storm instabilities that could linger.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Windslabs will keep developing lee of strong W winds and is be the main concern for tomorrow. Beware of the possibility of sluffing in steep sheltered terrain and of storm instabilities that could linger.</span><span class="s_AA239
Windslabs will keep developing lee of strong W winds and is be the main concern for tomorrow. Beware of the possibility of sluffing in steep sheltered terrain and of storm instabilities that could linger.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Give the snow some time to settle before getting onto steeper terrain. Recent winds have been strong to extreme to so expect to find windslab extending far down or across lee features.
The possibility of large and destructive avalanche is now with us. Careful route selection is needed to avoid triggering large avalanches.
Careful consideration is needed to travel and/or ski safely in the back country at this time.&nbsp; Be aware wind loaded slopes, thin snowpack areas and overhead hazards,
Moderate to heavy snowfall and strong winds will have added to a developing storm slab. In sheltered locations this may sit above a layer of surface hoar that is now primed for human triggering. Watch for increased reactivity in wind-exposed terrain.
Watch for increased reactivity in wind-exposed terrain especially at and bellow treeline where the storm snow is sitting on a widespread layer of surface hoar
Storm slabs will continue to develop with the ongoing snowfall on in the south of the region. In all areas watch for large and reactive slabs in wind loaded north and east facing terrain at and above treeline.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_3FE45715"> Developing windslabs lee of strong W winds and buried windslabs is be the main concern for tomorrow. Beware of the possibility of loose avalanches in steep terrain and of storm instabilities that could linger. </span><span class="s_AA239
-style: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715"> Developing windslabs lee of strong W winds and buried windslabs is be the main concern for tomorrow. Beware of the possibility of loose avalanches in steep terrain and of storm instabilities that could linger.</span><span class="s_E6FD2046">
Developing windslabs lee of strong W winds and buried windslabs is be the main concern for tomorrow. Beware of the possibility of loose avalanches in steep terrain and of storm instabilities that could linger.
Recent snowfall accompanied by strong winds and warm temperatures have created the high hazard in the mountains. Use caution when venturing into or near avalanche terrain.
As temperatures rise and the precipitation intensifies watch for increased reactivity in wind-exposed terrain especially at and bellow treeline where the storm snow is sitting on a widespread layer of surface hoar.
Large amounts of new snow combined with high winds and rising temperatures have created dangerous travel conditions in some parts of the back country. Use caution when riding or skiing
Operators have reported that the Jan 8th surface hoar,(now 60 - 80 cm's below the surface), is still reactive in snow pack tests. Avoid riding large features and unsupported slopes.
Warming temperatures combined with moderate to heavy precipitation will likely trigger a widespread natural storm avalanche cycle. Where surface hoar from earlier in the month is buried this could produces large and destructive avalanches.
New snow has added to the recent storm slab. Strong winds have transported snow into deep pockets of wind slab. Avalanches in motion may step down to deeply buried weak layers near the ground.
Recent snowfall accompanied by strong winds and warm temperatures have created the high hazard in the mountains. Use caution when venturing into or near avalanche terrain.&nbsp; Give the snow pack a chance to bond-up before riding on big lines.
There have been reports of avalanche activity in the new snow as well as on the Jan 8th surface hoar / sun crust interface (now 60 - 80 cm's below the surface),&nbsp; Avoid riding large features and unsupported slopes.
Operators have reported easy shears in the top 25 to 50 cm of storm snow. As well,&nbsp; the Jan 8th surface hoar,(now 80-100cm in some places below the surface), is still reactive in snow pack tests. Avoid riding large features and unsupported slopes.
Large amounts of new snow combined with high winds and rising temperatures have created dangerous travel conditions in some parts of the back country. Use caution when riding or skiing, especially at tree line and above.
Watch for increased reactivity in wind-exposed terrain especially if sun comes out and hits steep windloaded features.
Strong winds will continues loading alp. and upper treeline building thick touchy windslabs. Btw 1500 m and 800 m., the saturated snow should gain strength as the freezing levels drops.  Below 800 m. slopes should remain saturated and unstable.
Although storm slabs may be gaining strength, they may be particularly reactive in steep, wind-affected terrain, or in areas where they overlie buried surface hoar.
Although storm slabs may be gaining strength, they may be particularly reactive in steep, wind-affected terrain, or in areas where they overlie buried surface hoar.
Recent storm accumulations of up to 100cm have reported as touchy. Watch for increased reactivity in wind-affected terrain or on sun-exposed slopes.
Although storm slabs may be gaining strength, they may be particularly reactive in steep, wind-affected terrain, or in areas where they overlie buried surface hoar.
North of Steward, storm slab and wind slabs on NE facing slopes will keep developing . South of Steward, windslabs will be the main concern.
The settling storm snow and windslabs could weaken tomorrow especially if they get strong solar radiation tomorrow. Expect loose wet avalanches especially on S and SE aspects.
Recent storm slabs have most likely gained strength. Triggering may be more likely on steep terrain where the new snow exists as a wind slab, where it overlies recently buried surface hoar, or on sun-exposed slopes.
New snow and wind will likely set up reactive slabs, especially in lee and cross-loaded terrain in the alpine. Given the recent history of large avalanches, there is a chance that a small avalanche triggered near the surface could step down.
New snow and wind will likely set up reactive slabs, especially in lee and cross-loaded terrain in the alpine. Given the recent history of large avalanches, there is a chance that a small avalanche triggered near the surface could step down.
The avalanche danger will rise as Monday's storm intensifies with punchy storm slab development. Due to freshly buried weak layers, touchy conditions may persist for a while. Watch for increased triggering in wind-affected terrain.
The avalanche danger will rise as Monday's storm intensifies with punchy storm slab development. Due to freshly buried weak layers, touchy conditions may persist for a while. Watch for increased triggering in wind-affected terrain.
Forecast snowfall will likely create a new and reactive storm slab in areas where accumulations are significant. Due to freshly buried weak layers, touchy conditions may persist for a while. Watch for increased triggering in wind-affected terrain.
Forecast heavy snowfall will likely create a new and reactive storm slab. Due to freshly buried weak layers, touchy conditions may persist for a while. Watch for increased triggering in wind-affected terrain.
="s_3FE45715">Light snowfall isn't expected to have a big impact Monday, but be sure that your plans allow for a safe exit from the backcountry as increasing snow and strong winds quickly increase avalanche hazard late in the day.
Light snowfall isn't expected to have a big impact Monday, but be sure that your plans allow for a safe exit from the backcountry as increasing snow and strong winds quickly increase avalanche hazard late in the day.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Light snowfall isn't expected to have a big impact Monday, but be sure that your plans allow for a safe exit from the backcountry as increasing snow and strong winds quickly increase avalanche hazard late in the day.</span><span class="s_AA239
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Light snowfall isn't expected to have a big impact Monday, but be sure that your plans allow for a safe exit from the backcountry as increasing snow and strong winds quickly increase avalanche hazard late in the day.</span><span class="s_AA239
The storm slab problem will be developing as the snow starts to accumulate. Windslabs will also develop with the strong SW winds and loose dry avalanches will also be a concern at all elevations and on all aspects.
The storm snow problem will develop as the snow starts to accumulate. Windslabs will also develop with the strong SW winds and sluffing will be a concern at all elevations and on all aspects.
A developing storm slab sits over a variety of potentially weak surfaces. Triggering is most likely in wind-exposed terrain. With more snow on the way, conservative terrain selection will become critical.
Incoming storms will change the hazard significantly. Storm slabs on top of the recently buried weak layers will be the most important problem to be aware of. Careful terrain evaluation will be the key to safe riding/travel in the back country.
New snow combined with strong winds will produce wind slabs on top of existing weak layers.&nbsp; Careful terrain evaluation will be needed to ride/travel safely in the back country.
Facets, crusts and surface hoar reported throughout the forecast area are now being buried by incoming storms. Careful attention to these layers will be necessary for safe back country travel
Incoming storm with strong winds will overload the weak surface that now consists of surface hoar, facets and in some areas, wind or sun crusts. Expect an increase in avalanche activity.
Widespread storm slabs are developing with current and continuing snowfall. Thick and touchy windslabs will also develop lee of SW and W winds in the alpine and at treeline. Loose avalanches are also a concern on all aspects, at all elevations.
Storm avalanches could step down to the late January weak layers. Windslabs lee on SW-W winds in the alpine and at treeline and widespread loose avalanches are also a concern.
Facets, crusts and surface hoar reported throughout the forecast area are now being buried by incoming storms. Careful attention to these layers will be necessary for safe back country travel. Special attention should be given to wind loaded slopes.
New snow will be redistributed by moderate to strong ridge top winds onto lee slopes as wind slabs. These slabs will need time to bond with the old facetted snow and surface hoar from the previous cold, clear weather. Use caution when traveling.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Snowfall amounts may vary dramatically across the region. </span><span class="s_AA239A9B">Facets, crusts and surface hoar reported throughout the forecast area are now being buried by incoming storms. Careful attention to these layers will be necessary for safe back country travel.
A touchy storm slab, which is likely more reactive in wind-affected terrain, sits over a variety of potentially weak surfaces. With more snow on the way, conservative terrain selection will become critical.
A touchy storm slab, which is likely more reactive in wind-affected terrain, sits over a variety of potentially weak surfaces. With heavy snowfall on the way, conservative terrain selection will become critical.
Facets, crusts and surface hoar reported throughout the forecast area are now being buried by incoming storms. Careful attention to these layers will be necessary for safe back country travel. Special attention should be given to wind loaded slopes.
A touchy storm slab, which is likely more reactive in wind-affected terrain, sits over a variety of potentially weak surfaces. With more snow on the way, conservative terrain selection will become critical.
A developing storm slab sits over a variety of potentially weak surfaces. Watch for increased triggering in wind-exposed terrain.
ont-weight: normal;font-size: 14.6666666666667px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_DDF6C5E8"> Loading from the weight of new snow, windloading from extreme southwest and west winds and from rising temperatures is expected to trigger natural slab avalanches tomorrow. Loose snow avalanches are also a concern.
Loading from the weight of new snow, windloading from extreme southwest and west winds and from rising temperatures is expected to trigger natural slab avalanches tomorrow. Loose snow avalanches are also a concern.
Loading from the weight of new snow, windloading from extreme southwest and west winds and from rising temperatures is expected to trigger natural slab avalanches tomorrow. Loose snow avalanches are also a concern.
A touchy and destructive storm slab, which has shown reactivity at all elevation bands, sits over a variety of weak surfaces. Conservative terrain selection has become critical.
Loading from the weight of new snow, windloading from extreme winds and rising temperatures are expected to trigger natural slab avalanches tomorrow especially on northeast and east aspects. Loose snow avalanches are also a concern.
A touchy and destructive storm slab, which has shown reactivity at all elevation bands, sits over a variety of potentially weak surfaces. Conservative terrain selection has become critical.
Loading from the weight of new snow, windloading from extreme winds and rising temperatures could possibly trigger natural slab avalanches tomorrow especially on northeast and east aspects. Loose snow avalanches are also a concern.
A touchy and destructive storm slab, which is likely more reactive in wind-affected terrain, sits over a variety of weak surfaces. Conservative terrain selection is now critical.
In some areas over 40cm of new snow sits over a variety of potentially weak surfaces. Watch for increased triggering in wind-exposed terrain where deeper, more destructive slabs are likely to exist.
Considerable storm snow has fallen throughout the forecast area. Strong winds have produced wind slabs at tree line and above. Numerous size 2 natural avalanches have been reported. Careful route selection is necessary for safe back country riding!
Up to 50cm of new snow has fallen recently on a mixed bag of old weak surfaces. Wind slabs have formed on lee slopes creating a high hazard.  Careful attention to route finding will be necessary to ride or ski safely in the back country.
New snow will be redistributed by moderate to strong ridge top winds onto lee slopes as wind slabs. These slabs will need time to bond with the old facetted snow and surface hoar from the previous cold, clear weather. Use caution when traveling.
Snow fall amounts vary across the Purcells, but the new snow is generally falling on old weak surfaces.  Strong winds are building wind slabs at tree line and above.  Special attention is needed to travel/ride safely in the back country right now.
A touchy and destructive storm slab, which has shown reactivity at all elevation bands, sits over a variety of potentially weak surfaces which formed during the recent cold snap. Conservative terrain selection has become critical.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Large amounts of storm snow has fallen throughout the forecast area with reports of large ( 2.5 ) natural avalanches running in the storm snow on the combination of old weak surfaces. Use </span><span class="s_2823317B">BIG</span><span class="s_AA239A9B"> caution while riding during this instability period !
A touchy and destructive storm slab, which has shown reactivity at all elevation bands, sits over a variety of potentially weak surfaces which formed during the recent cold snap. Conservative terrain selection has become critical.
Wind slabs have been building at tree line and above . On protected and lee slopes large amounts of storm snow is sitting on a variety of old weak surfaces.&nbsp; Careful attention and route finding is needed to ride -ski safely during this weather cycle
Up to 70cm of new snow has fallen recently on a mixed bag of old weak surfaces. Wind slabs have formed on lee slopes creating a high hazard. Careful attention to terrain and route finding will be necessary to ride or ski safely in the back country.
Up to 80cm of new snow has fallen recently on a mixed bag of old weak surfaces. Wind slabs have formed on lee slopes creating a high hazard. Careful attention to terrain and route finding will be necessary to ride or ski safely in the back country.
A very touchy and destructive storm slab sits over weak surfaces which formed during the long cold snap. More snow in the forecast will add to the size and reactivity of the avalanche problem. Conservative terrain selection is now critical.
In deeper snowpack areas over 40cm of new snow sits over a variety of potentially weak surfaces. Watch for increased triggering in wind-exposed terrain where deeper, more destructive slabs are likely to exist.
Avalanches will be very likely within the storm snow but be aware of the likelihood of triggering large to very large avalanches because of a deeper persistent weak layer that had reached a critical depth.
In deeper snowpack areas over 40cm of new snow sits over a variety of potentially weak surfaces. Watch for increased triggering in wind effected&nbsp; terrain where deeper, more destructive slabs are likely to exist.
Storm slabs and windslabs could be triggered with light loads tomorrow. Beware of the presence of a weak layer ~50 cm below the surface which could generate destructive avalanches if triggered.
Up to 90cm of new snow has fallen recently on a mixed bag of old weak surfaces. Wind slabs on lee slopes are adding to the hazard. Careful attention to terrain and route finding will be necessary to ride or ski safely in the back country.
Large amounts of storm snow is resting on a variety of weak surfaces. Careful attention and route finding is needed to ride - ski safely during this weather cycle.
Large amounts of new snow settling into a storm slab over the weak Feb.10th surface hoar/facet/slab interface. Careful route finding is needed for safe riding/skiing in the backcountry.
="s_3FE45715">Large amounts of new snow is settling into a storm slab above the weak Feb.10th surface hoar/facet/slab interface.  Careful route finding is needed for safe riding/skiing in the backcountry.  Now is not the time to be riding &quot;Big Lines&quot; .
="s_3FE45715">Up to 60 cm of new snow has formed a touchy storm slab, which has shown reactivity at all elevation bands. A poor bond exists on a variety of old weak surfaces.
60-100 cm of new storm snow has formed a touchy and storm slab, which has shown reactivity at all elevation bands. A poor bond exists on a variety of potentially old weak surfaces. Conservative terrain selection has become critical.
="s_3FE45715">60-100 cm of new storm snow has formed a touchy and storm slab, which has shown reactivity at all elevation bands. A poor bond likely exists on a variety of potentially old weak surfaces.
="s_3FE45715">Up to 45 cm of new snow sits over a variety of potentially weak surfaces. There is an increased likelihood of triggering of a more cohesive slab in areas that have been wind affected.
="s_3FE45715">Large amounts of new snow is settling into a storm slab above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
Large amounts of new snow is settling into a storm slab above the weak Feb.10th surface hoar/facet/crust interface.  Stiffer wind slabs also exist in leeward features in wind exposed areas.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Forecast new snow and very strong winds are expected to add more load to the recent storm slab. Expect increased sensitivity to human triggers. Natural avalanches may occur from wind loading or cornice failure.</span><span class="s_AA239A9B">
Forecast new snow and very strong winds are expected to add more load to the recent storm slab. Expect increased sensitivity to human triggers. Natural avalanches may occur from wind loading or cornice failure.
Large amounts of new snow is settling into a storm slab above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
="s_3FE45715">Large amounts of new snow is settling into a storm slab above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
Forecast new snow and very strong winds are expected to increase the sensitivity to human triggers, and may result in natural avalanches as the load above buried weak layers increases and the storm slab becomes more cohesive.
="s_3FE45715">80-140 cm of new snow has formed a very touchy storm slab, which has shown reactivity at all elevation bands. A poor bond exists on a variety of old weak surfaces, creating the perfect recipe for dangerous avalanche conditions.</span><span class="s_3FE45
="s_3FE45715">60-100 cm of new snow has formed a very touchy storm slab, which has shown reactivity at all elevation bands. A poor bond exists on a variety of old weak surfaces, creating the perfect recipe for dangerous avalanche conditions.
="s_3FE45715">Snowfall over the last week is settling into a storm slab (typically 50-80cm thick) above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
Snowfall over the last week is settling into a storm slab (typically 50-80cm thick) above the weak Feb.10th surface hoar/facet/crust interface.  Stiffer wind slabs also exist in leeward features in wind exposed areas.
="s_3FE45715">Snowfall over the last week is settling into a storm slab (typically 50-80cm thick) above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
="s_3FE45715">Snowfall over the last week is settling into a storm slab (typically 50-80cm thick) above the weak Feb.10th surface hoar/facet/crust interface. Stiffer wind slabs also exist in leeward features in wind exposed areas.
Forecast new snow and strong winds are expected to add yet another incremental load to the snowpack. Weak layers within the storm snow may be found from temperature changes and/or wind events. Long propagations and remote triggering may be likely.
Forecast new snow and strong winds are expected to add to the load above the weak layers. Weak bonds may exist within the storm slab due to changing temperatures and wind events between storms.
Forecast new snow and strong winds are expected to continue to add a new load to the storm slab. Natural avalanches and very touchy sensitivity to human triggers may result from this added load.
An abundance of new snow has built a very touchy storm slab that is reactive at all elevation bands. The poor bond on a variety of old weak interfaces creates the perfect recipe for dangerous avalanche conditions. Thick wind slabs exist on lee slopes
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">An abundance of new snow has built a very touchy storm slab which is reactive at all elevations. The poor bond on a variety of old weak interfaces creates the perfect recipe for dangerous avalanche conditions. Thick wind slabs exist on lee slopes.</span><span class="s_AA239
60-90cm of recent snow has formed a reactive slab on all aspects and elevations, particularly on lee wind features. Remote triggering an avalanche from below or adjacent slopes remains a concern, and will likely catch you by surprise.
An abundance of new snow has built a very touchy storm slab that is reactive at all elevation bands. The poor bond on a variety of old weak interfaces creates the perfect recipe for dangerous avalanche conditions. Thick wind slabs exist on lee slopes
An abundance of new snow has built a very touchy storm slab which is reactive at all elevations. The poor bond on a variety of old weak interfaces creates the perfect recipe for dangerous avalanche conditions. Thicker wind slabs exist on lee slopes.
60-90cm of recent snow has formed a reactive slab on all aspects and elevations, particularly on lee wind features. Remote triggering an avalanche from below or adjacent slopes remains a concern, and will likely catch you by surprise.
Forecast new snow and strong winds are expected to continue to add a new load to the storm slab. Natural avalanches and very touchy sensitivity to human triggers may result from this added load.
Variable new snow amounts across the region have developed a storm slab that is between 40-70 cm. The storm slab may be triggered by light additional loads or remote triggered from adjacent terrain.
The new snow is expected to continue to be touchy to any additional load. Small avalanches in motion may step down to the bottom of the nearly metre deep storm slab. Conservative terrain selection with no overhead hazard is required.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">The storm slab has mass and some serious bite. You can have a great day in the mountains with a very conservative approach. Watch for any increase in winds, fresh sensitive wind slabs can form in open terrain surprisingly quickly.</span><span class="s_AA239
="s_3FE45715">The 40 - 90 cm deep storm slab has mass and some serious bite. You can have a great day in the mountains with a very conservative approach. Watch for any increase in winds, fresh sensitive wind slabs can form surprisingly quickly in open terrain.
="s_3FE45715">The storm slab has mass and some serious bite. You can have a great day in the mountains with a very conservative approach. Watch for any increase in winds, fresh sensitive wind slabs can form in open terrain surprisingly quickly.
="s_3FE45715">The storm slab has mass and some serious bite. You can have a great day in the mountains with a very conservative approach. Watch for any increase in winds, fresh sensitive wind slabs can form in open terrain surprisingly quickly.</span><span class="s_3FE45
Forecast new snow and wind are expected to add to the deep storm slab above the early February weak layer. Expect increased sensitivity to human triggers and another round of natural avalanche activity.
Forecast new snow and strong winds are expected to add to the load of recent storm snow resulting in natural avalanche activity. Light additional loads may propagate long fractures into remote terrain.
More new snow and wind are forecast overnight. Expect very touchy storm slabs that may step down to the persistent weak layer that is about a metre deep. Natural avalanches and remote triggering are likely.
Close to a metre of highly reactive storm slab is now sitting on a variety of weak layers, facets, surface hoar and decomposed wind slab. Significant potential for remotely triggering an avalanche below or adjacent to start zones exists.
An abundance of new snow has built a very touchy storm slab that is reactive at all elevation bands. A poor bond on a variety of old weak interfaces creates the perfect recipe for dangerous avalanche conditions. Thick wind slabs exist on lee slopes.
="s_3FE45715">A cohesive slab 40 - 80 cm in depth rests on a weak layer that remains very sensitive to human triggering.&nbsp; This problem is widespread, even below treeline. Fresh wind slabs are forming in open terrain at and above treeline too.
="s_3FE45715">A cohesive slab averaging a meter in depth rests on a weak layer that remains very sensitive to human triggering. This problem is widespread, even below treeline. Fresh wind slabs are forming in open terrain at and above treeline too.
="s_3FE45715">A cohesive slab averaging a meter in depth rests on a weak layer that remains very sensitive to human triggering.&nbsp; This problem is widespread, even below treeline. Fresh wind slabs are forming in open terrain at and above treeline too.
="s_3FE45715">A cohesive slab averaging 75 cm in depth rests on a weak layer that remains very sensitive to human triggering. This problem is widespread, even below treeline. Fresh wind slabs are forming in open terrain at and above treeline too.
A few more cm of new snow and continued strong winds are forecast. Expect natural avalanche activity, long fracture propagations and remote triggering to continue.
A little bit more new snow and continued strong winds are forecast. Expect natural avalanche activity to continue, as well as long fracture propagations and remote triggering.
The natural avalanche cycle is expected to continue with another load of new snow and wind added to the storm slab.
Large avalanches are still running naturally and remote triggers are being reported.  It's not necessary to be on a big slope to trigger it, triggering may be accomplished by reasonable proximity to the slope. Time to scale back plans for big rides.
="s_3FE45715">Natural avalanche activity has diminished, but with the large amount of new snow skiers/riders should excercise caution conservative route finding, especially in recently wind loaded terrain. This may not be the time to ride &quot;Big Lines&quot;.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">The storm slab may release naturally in the alpine where wind transport may continue to add a new load. The storm slab is expected to continue to be very sensitive to human triggers at all elevations.</span><span class="s_AA239A9B">
Storm slab avalanches are expected to continue to release naturally at higher elevations and where the wind has transported snow. The storm snow may be very sensitive to human triggers at all elevations. Remote triggering is a concern.
The storm slab may release naturally in the alpine where wind transport may continue to add a new load. The storm slab is expected to continue to be very sensitive to human triggers at all elevations.
="s_3FE45715">Wind slabs and shallow snow pack areas should be on the radar now. It's not necessary to be on a big slope to trigger it, that could happen from a distance. Use careful route finding and cautious evaluation of the terrain where you plan to ride/ski.
-style: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm snow is being redistributed as wind slabs on lee terrain features. Use careful route finding and cautious evaluation of the terrain where you plan to ride/ski. Scale back plans for big terrain</span><span class="s_E6FD2046">. </span><span class="s_3FE45715">Be extra cautious in wind loaded terrain.
="s_3FE45715">Wind slabs and shallow snow pack areas should be on the radar now. It's not necessary to be on a big slope to trigger it, that could happen from a distance. Use careful route finding and cautious evaluation of the terrain where you plan to ride/ski.
It's not necessary to be on a big slope to trigger it, that may be accomplished by reasonable proximity to the slope. Use careful route finding and cautious evaluation of the terrain where you plan to ride/ski. Scale back plans for big terrain.
There`s a serious hazard lurking out there now.&nbsp; Pay close attention to overhead hazards, wind slabs, and shallow snowpack areas where it might be possible to trigger a failure that could propagate over a large distance.
There`s most likely a touchy storm slab out there right now. It isn`t  necessary to be on a big slope to trigger it, that could happen from a distance. Use careful route finding and cautious evaluation of the terrain where you plan to ride/ski.
The new snow from the past few storms is settling into a storm slab. Some snow will have been redistributed into wind slabs on lee slopes. Use caution in suspected shallow snowpack areas. South facing slopes may become reactive with solar radiation.
Caution around steep terrain and big features as we transition into a persistent slab problem. It may look like the problem is going away, but it isn't. Conservative terrain choices and objectives will be needed for the next few weeks.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm slabs are expected to continue to release naturally at higher elevations and especially where the wind has transported snow and built fresh, new wind slabs. </span><span class="s_AA239
The storm slab may release naturally in the alpine where wind transport may continue to add a new load. The storm slab is expected to continue to be very sensitive to human triggers at all elevations.
The storm slab may release naturally in the alpine where wind transport may continue to add a new load. The storm slab is expected to continue to be very sensitive to human triggers at all elevations.
The storm slab may continue to be sensitive to human triggers at all elevations and possibly release naturally in the alpine where wind transport adds more load. Changing winds from the north will likely build fresh new wind slabs on leeward slopes.
The storm slab may release naturally in the alpine where wind transport continues to add a new load. The storm slab is expected to continue to be very sensitive to human triggers at all elevations.
Forecast new snow and wind are expected to develop a new storm slab that may not bond well to the mix of old surfaces.
Forecast new snow and wind are expected to develop a new storm slab that may not bond well to the old surfaces.
Forecast new snow and wind are expected to develop a new storm slab that may not bond well to the mix of old surfaces.
Forecast new snow and wind are expected to develop a new storm slab that may not bond well to the old surfaces.
New snowfall is forming storm slabs which overlie a variety of potentially weak surfaces. Watch for increased reactivity in wind exposed terrain.
New snowfall will form a storm slab which overlies a variety of potentially weak surfaces.&nbsp; Moderate to strong SW winds will form stiffer wind slabs in leeward and cross-loaded features which will be more sensitive to human triggers.
New snowfall is forming storm slabs which overlie a variety of potentially weak surfaces. Watch for increased triggering in wind exposed terrain.
New storm slabs have built and a poor bond exists to the mix of old surfaces. A thicker, touchier slab likely exists on leeward (N-NE) slopes and behind terrain features.
Continued snowfall and wind will add to a developing slab which overlies a variety of potentially weak surfaces. Watch for increased slab reactivity in wind exposed terrain. In sheltered, steep terrain the new snow may react as a loose dry avalanche.
New snowfall will form a storm slab which overlies a variety of potentially weak surfaces.&nbsp; Moderate to strong SW winds will form stiffer wind slabs in leeward and cross-loaded features which will be more sensitive to human triggers.
Continued snowfall and wind will add to a developing slab which overlies a variety of potentially weak surfaces. Watch for increased slab reactivity in wind exposed terrain. In sheltered, steep terrain the new snow may react as a loose dry avalanche.
="s_3FE45715">New storm slabs have developed and a poor bond exists to the mix of old surfaces. A thicker, touchier slab can be found on leeward (N-NE) slopes and behind terrain features. Avoid locations exposed to overhead hazards.
Continued snowfall and wind will add to a developing slab which overlies a variety of potentially weak surfaces. Watch for increased slab reactivity in wind exposed terrain. In sheltered, steep terrain the new snow may react as a loose dry avalanche.
Forecast snowfall, wind and warming will add to the reactivity and destructive potential of a developing storm slab. As the incoming storm progresses, conservative terrain selection will become critical.
Forecast snowfall, wind and warming will add to the reactivity and destructive potential of a developing storm slab. As the incoming storm progresses, conservative terrain selection will become critical.
New storm slabs have developed and a poor bond exists to the mix of old surfaces. A thicker, touchier slab can be found on leeward (N-NE) slopes and behind terrain features. Avoid locations exposed to overhead hazards.
Forecast snowfall, wind and warming will add to the reactivity and destructive potential of a developing storm slab which overlies a number of potentially weak layers.
New snowfall will form a storm slab which overlies a variety of potentially weak surfaces.  Moderate to strong SW winds have formed stiffer wind slabs in leeward and cross-loaded features which will be more sensitive to human triggers.
Heavy snow, strong winds, and mild temperatures will likely create dense new storm slabs. All this new snow is not bonding well to a melt-freeze crust buried at the beginning of March. Watch for loose wet avalanches below treeline.
Heavy snow, strong winds, and mild temperatures should work together to create fresh dense storm slabs, especially in wind exposed areas. All this new snow has been bonding poorly to the early March melt-freeze curst.&nbsp;
Ongoing snowfall, wind and warming have added to the reactivity and destructive potential of a punchy storm slab which overlies a number of potentially weak layers. In many areas conservative terrain selection has become critical.
Ongoing snowfall, wind and warming have added to the reactivity and destructive potential of a punchy storm slab which overlies a number of potentially weak layers. In many areas conservative terrain selection has become critical.
Ongoing snowfall, wind and warming have added to the reactivity and destructive potential of a developing storm slab which overlies a number of potentially weak layers. In many areas conservative terrain selection has become critical.
New snowfall is settling into a storm slab which overlies a variety of potentially weak surfaces. Moderate to strong SW winds have formed stiff wind slabs in lee features which will be more sensitive to human triggers.
Fresh dense slabs have formed in the past couple days, particulary in wind-loaded north and east facing terrain. All this new snow is sitting on a melt-freeze crust buried in early March and was not bonding well initially.&nbsp;
Around 50-100 cm of dense storm snow sits on a weak melt-freeze crust buried at the beginning of March. Triggering is most likely in steep, wind-loaded north through east facing terrain at and above treeline.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
Warm temperatures and/or rain is encouraging the settlement of the storm snow into a slab that overlies a variety of potentially weak surfaces. Moderate to strong SW winds have formed stiff wind slabs in lee features.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
The new snow may not bond well to the previous snow surface. Expect deep wind slabs to build in exposed North through East facing terrain at and above treeline, and the potential for wet slab or wet loose avalanches below treeline.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
Forecast new snow and wind is expected to add an additional load to the recent storm slab that may not be well bonded to the old surfaces.
A punchy storm slab overlies a number of potentially weak layers. Expect increased reactivity in wind-exposed terrain. Warming and light rain may also have a significant destabilizing effect at elevations below the snow line.
Forecast heavy precipitation will continue to to load the melt-freeze crust buried in early March.
Forecast heavy precipitation will continue to to load the melt-freeze crust buried in early March. Rain at lower elevations will saturate the upper snowpack.
Weather models suggest we will see another 20 cm through Sunday. This adds to the 30-60 cm that fell on Friday. All this snow sits on the previous old snow surface of facets, surface hoar, and/or a crust and may not bond well. 
Snowfall amounts vary throughout the region. Some areas now have over 40 cm of dense storm snow overlying a weak layer of facets and/or a crust. Dense wind slabs are also likely in NW-E facing terrain at and above treeline.
Storm slab avalanche activity is expected to increase in size and frequency with the forecast new snow and wind.
Forecast new snow and strong Southwest winds are expected to add a new load to the developing storm slab. Natural avalanche activity and easy human triggering may result from the added load and warm temperatures.
The storm slab is expected to continue to develop with forecast new snow and strong Southwest winds. Touchy slab avalanches may result as the storm snow settles into a cohesive slab above the crusts and facets.
The storm slab is settling and becoming more dense with increasing load and warming temperatures.  Strong south west winds will redistribute the new snow into wind slabs at tree line and above on north and northeast aspects.
Weaknesses may exist within or under the recent storm snow. Expect dense wind slabs in exposed Northwest through East facing terrain at and above treeline.
Weaknesses may exist within the new storm snow (up to 80 cm), or at the interface between the storm snow and old snow surface, which was a mix of sugary facets, a melt-freeze crust, or old hard wind slabs.&nbsp;
Up to 50 cm of dense storm snow overlies the previous snow surface of weak sugary facets, old wind slabs, or a melt-freeze crust. Triggering is more likely on steep unsupported or convex shaped slopes and in wind loaded N to E aspects.
Recent storm snow is settling into a dense slab that overlies a variety of weak layers. Warm temperatures will set the stage for natural and rider triggered avalanches, use caution in recently wind loaded terrain. Cornice hazard is also a concern.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snow, wind and warming have added to the destructive potential of a well developed storm slab. The slab may be particularly touchy on previously sun-exposed slopes where it overlies a hard crust. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snow, wind and warming have added to the destructive potential of a well developed storm slab. The slab may be particularly touchy on previously sun-exposed slopes where it overlies a hard crust. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
The region was hit hard on Saturday receiving about 40cm of snow over a 24 hour period. Storm slabs may be especially touchy where they overlie a buried crust.
Weaknesses may exist within or under the recent storm snow. Expect dense wind slabs in exposed Northwest through East facing terrain at and above treeline.
Weaknesses may exist within or under the recent storm snow. Expect dense wind slabs in exposed Northwest through East facing terrain at and above treeline.
More new storm snow will continue to load slopes.  Some areas have received up to 80cm of snowfall since Friday.  Avalanches may release within the storm snow or at the bottom interface of the storm snow where a weaker layer may exist.
Up to 50 cm of dense storm snow overlies the previous snow surface of weak sugary facets, old wind slabs, or a melt-freeze crust. Triggering is more likely on steep unsupported or convex shaped slopes and in wind loaded areas on N to E aspects.
Solar warming may reactivate natural activity within the recent storm slab which may be particularly reactive where it overlies a buried crust. Recent storms have also formed very large and unstable cornices.
Rising freezing levels and solar radiation for the first time since the last storm may trigger storm slabs or cornice failures. New snow and continued warm temperatures will add to the storm slab problem in the south of the region.
Recent storm snow is settling into a dense slab that overlies a variety of weak layers. Warm temperatures will set the stage for natural and rider triggered avalanches, use caution in recently wind loaded terrain. Cornice hazard is a real&nbsp; concern.
Solar warming may reactivate natural storm slab activity. Storm slabs may be particularly reactive where they overlie a buried crust. Recent storms have also formed very large and unstable cornices.
Recently formed storm slabs may become less likely to trigger, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive where they overlie a buried crust. Cornices are now large and unstable.
Recent storm snow is settling into a dense slab that overlies a variety of weak layers. Warm temperatures will set the stage for natural and rider triggered avalanches, use caution in recently wind loaded terrain. Cornice hazard is a real  concern.
Recently formed storm slabs may become less likely to trigger, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive on sun-exposed slopes where they likely overlie a buried crust.
Storm slabs may become less likely to trigger in some areas, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive in lee alpine terrain or on sun-exposed slopes where they likely overlie a buried crust.
Rising freezing levels and solar input are major concerns right now. Wet surface snow avalanches may create a big enough load to trigger the weak layers buried deep in the snow pack. North slopes still have touchy storm slabs over weak layers.
Storm slabs may become less likely to trigger in some areas, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive in lee alpine terrain or on sun-exposed slopes where they likely overlie a buried crust.
="s_3FE45715">Weaknesses may still exist within or under the storm snow from the weekend. Old wind slabs in exposed NW through E facing terrain are being more stubborn but may still be a concern. Use increased caution during the heat of the afternoon.
New storm snow continues to load slopes.&nbsp; This is adding to the roughly 50cm thick storm slab from the weekend which is sitting on a weak layer.&nbsp; Stiffer and thicker wind slabs can be expected in lee features from recently strong SW wind.
Up to 50 cm of dense storm snow overlies the previous snow surface of weak sugary facets, old wind slabs, or a melt-freeze crust. Strong wind, typically from the SW, has created stiffer wind slabs in lee features.
="s_3FE45715">Rising freezing levels and solar input are major concerns right now. Wet surface snow avalanches may create a big enough load to trigger the weak layers buried deep in the snow pack. North slopes still have touchy storm slabs over weak layers
="s_BB12189E">Storm slabs may become less likely to trigger in some areas, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive in lee alpine terrain or on sun-exposed slopes where they likely overlie a buried crust.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent storm snow has settled into a dense slab that overlies a variety of weak layers. Warm temperatures will set the stage for natural and rider triggered avalanches, use caution in recently wind loaded terrain. Cornice hazard is a real&nbsp; concern.</span><span class="s_AA239A9B">
60-100cm of recent storm snow sits on a weak layer from early March.  This layer is highly reactive due to continued loading from storm systems.  Strong to extreme SW winds have formed wind slabs in lee and cross-loaded terrain features.
="s_BB12189E">Storm slabs may become less likely to trigger in some areas, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive in lee alpine terrain or on sun-exposed slopes where they likely overlie a buried crust.
Up to 60 cm of dense storm snow overlies a weak layer of facets, old wind slabs, and/or a melt-freeze crust. Strong wind, typically from the SW, has created stiffer wind slabs in lee features.
="s_BB12189E">Storm slabs may become less likely to trigger in some areas, but solar warming may reactivate natural activity. Storm slabs may be particularly reactive in lee alpine terrain or on sun-exposed slopes where they likely overlie a buried crust.
New snow will sit on a sun crust and/or surface hoar. Expect new wind slab formation to be the primary problem for Friday. A widespread storm slab is expected as the storm progresses. Old wind slabs may still be a concern on N-&gt;E aspects.
="s_3FE45715">New snow will sit on a sun crust and/or surface hoar. Expect new wind slab formation to be the primary problem for Friday. A widespread storm slab is expected as the storm progresses. Old wind slabs may still be a concern in the north of the region.
Heavy snowfall and strong winds continue to build widespread reactive storm slabs. In many areas this slab sits on a weak layer from early March. Expect stiffer wind slabs in lee features.
Up to 60 cm of dense storm snow overlies a weak layer of facets, old wind slabs, and/or a melt-freeze crust. Strong wind, typically from the SW, has created stiffer wind slabs in lee features.
="s_3FE45715">Rising freezing levels and solar input are major concerns right now. Wet surface snow avalanches may create a big enough load to trigger the weak layers buried deep in the snow pack. North slopes still have touchy storm slabs over weak layers.
="s_3FE45715">Rising temperatures make the possibility of triggering a surface layer more likely. A moving surface slab might step down to weaker deeply buried weak layers. Use caution in recently wind loaded terrain.
="s_3FE45715">New snow and wind Friday will refresh the surface and hide the old slab just out of sight. Unfortunately, the old slab remains sensitive to human triggering, and the entire snowpack is still adjusting to all the warmth of the last week.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New snow and wind Friday will refresh the surface and hide the old slab just out of sight. Unfortunately, the old slab remains sensitive to human triggering, and the entire snowpack is still adjusting to all the warmth of the last week.</span><span class="s_AA239
New snow and wind Friday will refresh the surface and hide the old slab just out of sight. Unfortunately, the old slab remains sensitive to human triggering, and the entire snowpack is still adjusting to all the warmth of the last week.
Dynamic conditions are changing with elevation and throughout the day, due to&nbsp; warming, sun-exposure, snow flurries, and wind. Old storm (persistent) slabs lurk on sheltered low-elevation slopes, while fresh slabs may form on exposed lee slopes.
Heavy snowfall and strong winds will may form a widespread storm slab on Saturday. Strong forecast SW winds should quickly form wind slabs on leeward aspects.
Heavy snowfall and strong winds may form a widespread storm slab on Saturday. Strong forecast SW winds should quickly form wind slabs on leeward aspects.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snowfall and strong winds will continue to build storm slabs on Saturday.  Strong forecast SW winds should quickly form new wind slabs on leeward aspects.</span><span class="s_AA239
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New snowfall and strong winds will add to the existing slab that sits on the early March weak layer.  Strong forecast SW winds should quickly form new wind slabs or add to existing wind slabs on leeward aspects.</span><span class="s_AA239
="s_3FE45715">Heavy snowfall and strong winds continue to build new storm slabs. Expect stiffer wind slabs in leeward features from strong S-SW wind.
New snow is sitting on a crust at lower elevations and wind-affected surfaces in the alpine.  Strong SW winds have been redistributing the new snow into wind slabs on leeward slopes.
Heavy snowfall and strong winds continue to build storm slabs. Expect stiffer wind slabs in leeward features from strong S-SW wind.
="s_3FE45715">Heavy snowfall and strong winds continue to build storm slabs. Expect stiffer wind slabs in leeward features from strong S-SW wind.
New snow accompanied by strong SW winds is all coming to rest on yet another suncrust/surface hoar combo. Be advised that avalanches running on the surface may provoke deeply buried weak layers into action.
="s_3FE45715">New snow accompanied by strong SW winds is all coming to rest on yet another suncrust/surface hoar combo. Be advised that avalanches running on the surface may provoke deeply buried weak layers into action.
Forecast wind and snow will add to an existing storm slab which overlies hard crusts and weak surface hoar. Expect increased reactivity in wind exposed terrain.
Recent storm snow is sitting on a crust at lower elevations and wind-affected surfaces in the alpine.  Strong SW winds have been redistributing the new snow into wind slabs on lee slopes at tree line and above. Route selection is critical right now.
="s_3FE45715">Heavy snowfall and strong winds will continue to build storm slabs. Expect to find stiff wind slabs in lee features from recent strong S-SW winds associated with this storm.
Heavy snowfall and strong winds continue to build storm slabs. Expect stiff wind slabs in lee features from strong S-SW wind.
Sunday's wind and snow has created a punchy storm slab which overlies a number of potentially weak surfaces. Forecast sunny breaks over the next few days will likely add to the reactivity of the new snow.
The recent storm has left us with wind slabs at tree line and above. Cornices are getting large and mature. Solar aspects may become active when the sun comes out on the recent storm snow
The recent storm snow sits on a variety of surfaces, from rain and temperature crust at lower elevations, to wind scoured surfaces around tree line and in the alpine, with wind slabs on lee slopes.&nbsp; Rider triggering is easily possible right now.
Strong winds have built wind slabs on lee slopes, watch out for&nbsp; wind loaded pockets. Expect sluffing in steep terrain, especially on steep solar aspects.&nbsp; Cornices are becoming large and mature give them a wide berth.
Recent storm accumulations may take longer to bond due to the presence of buried surface hoar and crusts. Watch for increased triggering in wind-exposed terrain, or when solar radiation is strong.
Significant storm accumulations from the weekend have created fresh and reactive storm slabs which overlie fairly widespread crusts. Watch for increased triggering in wind-exposed terrain or when forecast solar radiation is strong.
The last storm left us with wind slabs at tree line and above. Cornices are getting large and mature. Steep solar aspects may become active when the sun comes out on the recent storm snow.
The recent storm snow sits on a variety of surfaces, from rain and temperature crusts at lower elevations, to wind scoured surfaces around tree line and in the alpine, with wind slabs on lee slopes.&nbsp; Rider triggering is easily possible right now.
Strong winds and recent snow has formed wind slabs on lee slopes, look out for wind loaded pockets. Expect sluffing in steep terrain, especially on steep solar aspects.&nbsp; Cornices are becoming large and mature, give them a wide berth.
Although storm accumulations from the weekend are likely gaining strength, they may still be reactive in some wind-exposed terrain, or in areas where they overlie buried surface hoar.
Significant storm accumulations from the weekend have created fresh and reactive storm slabs which overlie fairly widespread crusts. Watch for increased triggering in wind-exposed terrain.
Recent storm accumulations may take longer to bond due to the presence of buried surface hoar and crusts. Snow forecast for Wednesday afternoon will add to this existing storm slab.
The last storm left us with wind slabs at tree line and above. Cornices are getting large and mature. Steep solar aspects may become active when the sun comes out on the recent storm snow.A cornice failure could produce a large and avalanche.
New snow and wind forecast for Wednesday night may spark new storm slab activity. Watch for increased triggering in steeper, wind-exposed terrain.
Strong winds and recent snow has formed wind slabs on lee slopes, look out for wind loaded pockets. Expect sluffing in steep terrain, especially on steep solar aspects.  Cornices are becoming large and mature, give them a wide berth.
The recent storm snow sits on a variety of surfaces, from rain and temperature crusts at lower elevations, to wind scoured surfaces around tree line and in the alpine, with wind slabs on lee slopes. Conservative terrain choices are best right now.
Recently formed storm slabs may be gaining strength; however, more recent wind events have likely redistributed surface snow into touchy wind slabs. Watch for triggering in gullies, and in the lee of terrain breaks and ridge crests
Small, continuous amounts of storm snow have left us with wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.
Considerable amounts of new snow being redistributed onto lee slopes. This recent storm snow is sitting on a variety of older weak surfaces. Conservative terrain choices are critical right now. Rider triggered avalanches are definitely possible.
Strong winds associated with the recent storms has formed wind slabs on lee slopes, look out for wind loaded pockets. Expect sluffing in steep terrain, especially on steep solar aspects. Cornices are becoming large and mature, give them a wide berth.
Up to 35cm of new snow fell on Thursday adding to an existing storm slab which may be touchy in wind exposed terrain.
Significant snowfall and steady southwest winds have created a punchy new storm slab which exists at all elevations. Watch for triggering in wind-exposed terrain. If the sun comes out on Friday, the new snow may react as a loose wet avalanche.
Significant snowfall and steady southwest winds have created a punchy new storm slab which exists at all elevations. Watch for triggering in wind-exposed terrain. If the sun comes out on Friday, the new snow may react as a loose wet avalanche.
Strong winds associated with the recent storms has formed wind slabs on lee slopes, look out for wind loaded pockets. Expect sluffing in steep terrain, especially on steep solar aspects. Cornices are becoming large and mature, give them a wide berth.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm snow and winds have left us with wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.</span><span class="s_AA239
Small, continuous amounts of storm snow have left us with wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.
="s_3FE45715">Significant snowfall and steady southwest winds have created a punchy new storm slab which exists at all elevations. Watch for triggering in wind-exposed terrain. If the sun comes out the new snow may react as a loose wet avalanche.
="s_3FE45715">Significant snowfall and steady southwest winds have created a punchy new storm slab at all elevations.&nbsp; Storm slabs are likely most susceptible to human triggering on solar aspects and on wind loaded terrain features.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Up to 35cm of new snow fell on Thursday adding to an existing storm slab which may be touchy in wind exposed terrain.</span><span class="s_AA239
Strong winds associated with the recent storms have formed wind slabs, look out for wind loaded pockets. Expect sluffing in steep terrain, and on steep solar aspects. Cornices are becoming large and mature, give them a wide berth.
Continued small amounts of storm snow have produced wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.
Storm snow and winds have left us with wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">A cornice failure might produce a large destructive avalanche.
Tuesdays light density storm snow is settling out nicely in most of the region. Watch for sluffing on steeper features. In the north of the region the storm slab is likely more touchy. Consult the South Columbia Bulletin for details.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Significant recent snowfall and steady southwest winds have created a punchy storm slab that exists at all elevations. Human triggering is most likely on wind loaded features.&nbsp; Sunday's sunshine may initiate a round of large loose wet avalanches.</span><span class="s_AA239
="s_3FE45715">Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.</span><span class="s_3FE45
="s_3FE45715">Strong winds associated with the recent storms have formed wind slabs, look out for wind loaded pockets. Expect sluffing in steep terrain, and on steep solar aspects. Cornices are becoming large and mature, give them a wide berth.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.</span><span class="s_AA239
Storm snow and winds have left us with wind slabs at tree line and above, and growing cornices. Solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
="s_3FE45715">Last weeks light density storm snow is settling out nicely in most of the region. Watch for sluffing on steeper features. In the north of the region the storm slab may be more touchy. Consult the South Columbia Bulletin for details.
="s_3FE45715">Continued small amounts of storm snow have produced wind slabs at tree line and above. Steep solar aspects may become active when the sun comes out on the recent storm snow. A cornice failure could produce a large destructive avalanche.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.</span><span class="s_AA239
This problem could become more sensitive to triggering if temperatures rise as forecast on Tuesday. Be particularly cautious in wind loaded and cross-loaded terrain. 
Forecast new snow and wind are expected to add to the load of the recent storm snow. Pockets of wind transported snow may develop at higher elevations.
Forecast new snow and wind are expected to result in new storm slabs developing. Watch for pockets of wind transported snow at higher elevations.
Forecast new snow and strong winds are expected to develop new storm slabs. Watch for pockets of wind transported snow at higher elevations
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain. Also, expect some loose wet activity on solar aspects when the sun is out.
Forecast new snow and wind are expected to result in new storm slabs developing. Watch for pockets of wind transported snow at higher elevations.
Forecast new snow and strong winds are expected to develop new storm slabs. Watch for pockets of wind transported snow at higher elevations.
Forecast new snow may increase the load of recent storm slabs above a mix of old surfaces. Watch for pockets of wind transported snow at and above treeline.
Forecast new snow and wind are expected to add to the load of the recent storm snow. Pockets of wind transported snow may develop at higher elevations.
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain.
This problem could become more sensitive to triggering if temperatures rise as the week progresses.
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain.
Weaknesses exist within or under the recent storm snow and could be triggered by the weight of a rider, especially in steep wind-loaded terrain.
30-50 cm of new snow combined with moderate winds may take a couple of days to settle and bond to the old surface.
20-30 cm of new&nbsp; snow has added to the recent storm slabs. The new snow may take another day to settle and bond to the old surfaces. New snow may be easily triggered during periods of strong solar radiation.
Pockets of fresh soft wind slab are lurking below ridge crests and behind terrain features, and surface snow is sluffing readily on steep slopes. Although generally small, these avalanches could easily take you for a ride.
Pockets of fresh soft wind slab are lurking below ridge crests and behind terrain features, and surface snow is sluffing readily on steep slopes. Although generally small, these avalanches could easily take you for a ride.
Pockets of fresh soft wind slab are lurking below ridge crests and behind terrain features, and surface snow is sluffing readily on steep slopes. Although generally small, these avalanches could easily take you for a ride.
Forecast new snow and wind should start to develop a new storm slab during the day. The added load of new snow may result in avalanches releasing below the 15-20 cm of recent snow, or below the old storm slab.
Expect a new storm slab to start to develop during the day. The recent snow has not had a lot of time to settle and bond, and there may be areas where the old storm slab could be triggered by light additional loads.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
Recent storm snow is highly reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
="s_3FE45715">New snow and wind should create fresh slabs that increase in sensitivity to triggering as the day goes on.  Slopes immediately lee of ridge crest will likely be the most problematic.  The new load may activate the old storm interface too.
="s_3FE45715">New snow and wind should create fresh slabs that increase in sensitivity to triggering as the day goes on. Slopes immediately lee of ridge crest will likely be the most problematic. The new load may activate the old storm interface too.
Recent storm snow may still be reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent storm snow may still be reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.</span><span class="s_AA239
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent storm snow may still be reactive to human triggers. The size depends largely on the amount of fresh snow, which seems to be drainage dependant, and the degree of wind-loading. Regardless, even small avalanches could easily take you for a ride.</span><span class="s_AA239
Expect the 40+cm of moist new snow to have a poor bond with the old snow surface.
Watch for fresh sensitive wind slabs, which should be most problematic immediately lee of ridge crest and mid slope features. The new snow will need another day or two to settle before we start to think about the bigger objectives.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Watch for fresh sensitive wind slabs, which should be most problematic immediately lee of ridge crest and mid slope features. The new snow will need another day or two to settle before we start to think about more committing objectives.</span><span class="s_AA239
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent storm snow is still reactive to human triggers. Stiffer wind slabs can be expected on leeward features on NW through E aspects.  Sun will increase the reactivity of the storm slab and loose activity is expected from steep, sunny slopes.</span><span class="s_AA239
="s_3FE45715">Recent storm snow is still reactive to human triggers. Stiffer wind slabs can be expected on leeward features on NW through E aspects. Sun will increase the reactivity of the storm slab and loose activity is expected from steep, sunny slopes.
="s_3FE45715">Recent storm snow is still reactive to human triggers. Stiffer wind slabs can be expected on leeward features on NW through E aspects. Sun will increase the reactivity of the storm slab and loose activity is expected from steep, sunny slopes.
Cool temps and mostly cloudy skies should help this interface to settle out, but remain vigilant for potentially sensitive wind slabs immediately lee of ridge crest. Direct sun and warming temps could initiate natural activity.
="s_3FE45715">Cool temps and mostly cloudy skies should help this interface to settle out, but remain vigilant for potentially sensitive wind slabs immediately lee of ridge crest. Direct sun and warming temps could initiate natural activity.
="s_3FE45715">Recent storm snow may still be reactive to human triggers. Stiffer wind slabs in lee features may be more sensitive to triggering. Sun will increase the reactivity of the storm slab in the afternoon and loose activity is expected from steep terrain.
Recent storm snow may still be reactive to human triggers. Stiffer wind slabs in lee features may be more sensitive to triggering. Sun will increase the reactivity of the storm slab in the afternoon and loose activity is expected from steep terrain.
="s_3FE45715">Recent storm snow may still be reactive to human triggers. Stiffer wind slabs in lee features may be more sensitive to triggering. Sun will increase the reactivity of the storm slab in the afternoon and loose activity is expected from steep terrain.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent storm snow may still be reactive to human triggers. Stiffer wind slabs in lee features may be more sensitive to triggering. Sun will increase the reactivity of the storm slab in the afternoon and loose activity is expected from steep terrain.</span><span class="s_AA239
="s_3FE45715">Recent storm snow may still be reactive to human triggers. Stiff wind slabs may be more sensitive to triggering. Sun will increase the reactivity of the storm snow in the afternoon and sluffing can be expected in steep terrain.
Recent storm snow may still be reactive to human triggers. Stiff wind slabs in lee features may be more sensitive to triggering. Solar input will increase the reactivity of the storm slab in the afternoon. Sluffing can be expected in steep terrain.
="s_3FE45715">Watch for wind slabs immediately lee of ridge crest that may still be sensitive to human triggering. The strong spring sun has the potential to initiate both small loose and large storm slab avalanche activity on all aspects.
="s_3FE45715">Watch for wind slabs immediately lee of ridge crest that may still be sensitive to human triggering. The strong spring sun has the potential to initiate both small loose and large storm slab avalanche activity on all aspects.
="s_3FE45715">Recent storm snow and wind slabs may still be reactive to human triggers in select locations. Sun will increase the reactivity of the storm snow in the afternoon and sluffing can be expected in steep terrain.
Forecast new snow and Southwest wind are expected to develop new storm slabs that may not bond to the old surface in areas where the crust re-freezes before the storm. Rain at lower elevations may result in loose wet slides.
="s_3FE45715">New snow accompanied by strong wind should result in new slabs being formed on top of surface hoar and crusts by mid afternoon. I expect these touchy slabs will become more and more problematic as the day goes on.
="s_3FE45715">Recent storm snow may still be reactive to human triggers. Wind slabs in lee features could be more sensitive to triggering. Solar input will increase the reactivity of the storm slab in the afternoon. Sluffing can be expected in steep terrain.
="s_3FE45715">New snow accompanied by strong wind should result in new slabs being formed on top of surface hoar and crusts by mid afternoon. I expect these touchy slabs will become more and more problematic as the day goes on.
="s_3FE45715">New snow accompanied by strong wind should result in new slabs being formed on top of surface hoar and crusts beginning Wednesday night. I expect these touchy slabs will become more and more problematic as the day goes on Thursday.
="s_3FE45715">New snow accompanied by strong wind should result in new slabs being formed on top of surface hoar and crusts beginning Wednesday night. I expect these touchy slabs will become more and more problematic as the day goes on Thursday.
Recent storm snow may still be reactive to rider triggers. Wind slabs in lee features could be more sensitive to triggering. Solar input will increase the reactivity of the storm slab in the afternoon. Sluffing can be expected in steep terrain.
Forecast new snow and Southwest wind are expected to develop new storm slabs that may not bond to the old surface in areas where the crust re-freezes before the storm. Rain at lower elevations may result in loose wet slides.
="s_3FE45715">Recent storm snow and wind slabs may still be reactive to human triggers in select locations. Sun will increase the reactivity of the storm snow, especially on solar aspects, in the afternoon and sluffing can be expected in steep terrain.
="s_3FE45715">New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow is not expected to bond well to the current crust/surface hoar combo and will likely remain sensitive to human triggering Friday.
="s_3FE45715">New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow is not expected to bond well to the current crust/surface hoar combo and will likely remain sensitive to human triggering Friday.
="s_3FE45715">Recent storm snow and wind slabs may still be reactive to rider triggering in select locations. Sun will increase the reactivity of the storm snow on solar aspects in the afternoon, and sluffing can be expected in steep terrain on all aspects.
The new snow may not be well bonded to the old crust in areas that had surface hoar before the snow arrived. Southwest winds may have developed pockets of wind slab on lee slopes during the storm.
Wind slabs may still be reactive to rider triggers. Solar input and rising temperatures will increase the reactivity of the storm slab in the afternoon. Sluffing can be expected in steep terrain.
Another few cm are expected to add to the developing storm slab. Warm temperatures and strong solar radiation may settle the recent snow into a cohesive slab. This slab may not be well bonded to the old crust in some areas.
="s_3FE45715">Recent storm snow and wind slabs may be reactive to rider triggering in select locations. Sun will increase the reactivity of the storm snow on solar aspects in the afternoon. Sluffing&nbsp; of new snow can be expected in steep terrain on all aspects.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New storm snow and wind slabs may be reactive to rider triggers. Solar input and rising temperatures will increase the reactivity of the storm slab in the afternoon. Sluffing can be expected in steep terrain. </span><span class="s_AA239
New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow adds to existing storm snow and is expected to be unstable especially on lee features.
="s_3FE45715">New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow is not expected to bond well to the current crust/surface hoar combo and will likely remain sensitive to natural avalanche activity.
="s_3FE45715">New snow driven by strong ridge top winds has likely created touchy slabs. The new snow is not expected to bond well to the current crust/surface hoar combo and will likely remain sensitive to natural avalanche activity.
="s_3FE45715">New snow driven by strong ridge top winds will likely create touchy slabs at and above treeline. This snow adds to existing storm snow and is expected to be unstable initiating large-very large avalanches.
New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow adds to existing storm snow and is expected to be unstable on steep lee features.
New snow driven by strong ridge top winds has likely created touchy slabs at and above treeline. This snow is not expected to bond well to the current crust/surface hoar combo and will likely remain sensitive to human triggering Friday.
New snow driven by strong ridge top winds has likely created touchy slabs. The new snow is not expected to bond well to the current crust/surface hoar combo and natural avalanche activity is likely. Cornices may fail if the sun pokes out.
New snow driven by strong ridge top winds will likely build thick storm and wind slab problems at and above treeline. The new snow will likely have a poor bond and&nbsp; is expected to be unstable initiating large-very large avalanches.
New snow driven by strong ridge top winds have built thick storm and wind slab problems at and above treeline. The new snow likely has a poor bond and is expected to be unstable initiating large-very large avalanches.
New snow driven by strong ridge top winds has likely created touchy slabs. The new snow is not expected to bond well to the current crust/surface hoar combo and natural avalanche activity is likely. Cornices are large and weak.
New snow driven by strong ridge top winds have built thick storm and wind slab problems at higher elevations. The new snow likely has a poor bond and is expected to be unstable initiating large-very large avalanches.
New snow driven by strong ridge top winds has likely created touchy slabs. The new snow is not expected to bond well to the current crust/surface hoar combo and natural avalanche activity is likely. Cornices are large and weak.
New snow driven by strong ridge top winds have built thick storm and wind slab problems at higher elevations. The new snow likely has a poor bond and is expected to be unstable initiating large-very large avalanches.
Snow driven by strong winds have built storm and wind slab problems at higher elevations. Warmer temperatures and solar radiation will initially de-stabilize the new snow and likely activate a natural avalanche cycle. Cornices may fail with warming.
Snow and strong winds have built deep storm slabs at higher elevations. Warmer temperatures and solar radiation will likely de-stabilize the new snow and activate a natural avalanche cycle. Cornices may also fail with warming.
Localized precipitation is expected to create a touchy storm slab problem and windslab lee of South West winds.
Forecast snowfall will add to existing deep storm slabs which formed last week. Although these storms slabs have become less likely to trigger, large avalanches may still result where they overlie weak layers buried at the beginning of April.
="s_3FE45715">Recent snow and wind may have left slabs on a variety of slopes. Watch for breakable or stiff-feeling snow, or smooth, bulbous-looking slopes. These may indicate wind slabs.
Fresh new storm and wind slabs are likely susceptible to human triggering especially on the northwest through northeast side of terrain breaks. Facet/crust weaknesses deeper in the snowpack are likely under critical loads at treeline and above.
="s_3FE45715">Building storm snow is expected to be shifted by winds into slabs on lee slopes. In more sheltered areas, loose snow avalanches are likely in steep terrain. The new snow sits above a weak layer of buried crystals.</span><span class="s_3FE45
Expected new snow and wind will quickly set up touchy slabs over a rain crust. Avalanches running on this layer could travel far and fast.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Building storm snow is expected to be shifted by winds into slabs on lee slopes. In more sheltered areas, loose snow avalanches are likely. The new snow sits above a weak layer of buried crystals.</span><span class="s_AA239
Avalanche activity has already begun in some parts of the region as storm snow builds up over a touchy weak layer. Winds are likely to concentrate slabs on lee slopes in wind-exposed areas.
Steady snowfall, wind and rising temperatures are expected to create a punchy storm slab which overlies recently buried weak layers. Pay close attention to how much recent snowfall has accumulated in your area, and stick to conservative terrain.
Recent storm snow may have been shifted by winds into slabs on lee slopes. The new snow sits above a weak layer of buried crystals.
The storm has ended, but large human triggered storm slabs remain a concern, especially in areas where buried weak surface hoar exists.
ont-weight: normal;font-size: 13.3333333333333px;color: #121212; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_17AE1194">Recent new snow has built up over a touchy layer of buried surface hoar crystals. Storm slabs are likely to be more reactive in areas which have received the most storm snow.</span><span class="s_AA239
ont-weight: normal;font-size: 13.3333333333333px;color: #121212; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_17AE1194">Recent new snow has built up over a touchy layer of buried surface hoar crystals.</span><span class="s_AA239
Recent new snow has built up over a touchy layer of buried surface hoar crystals.
The storm may have ended, but recently buried weak layers will continue to produce large avalanches in many areas. Conservative terrain selection will remain critical.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Slab avalanches may fail easily with the weight of a person, or even from a distance. A slab is developing over a touchy layer of buried surface hoar crystals.</span><span class="s_AA239
="s_3FE45715">Slab avalanches are failing easily with the weight of a person, or even from a distance. Storm snow has built up over a touchy layer of buried surface hoar crystals.
="s_3FE45715">Slab avalanches have been failing easily with the weight of a person, or even from a distance. Storm snow has built up over a touchy layer of buried surface hoar crystals.
ont-weight: normal;font-size: 13.3333333333333px;color: #121212; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_17AE1194">Recent new snow has built slabs over a touchy layer of buried surface hoar crystals, creating dangerous avalanche conditions.
Expected new snow and wind will make storm slab avalanches very likely in this region once again by the end of Tuesday.
The storm has ended and is not expected to start again in this region until Wednesday, but large human triggered storm slabs remain a concern, especially in areas where buried weak surface hoar exists.
1681A555">A thick storm slab sits over a predominant surface hoar layer which has been very touchy to rider triggers. With additional snow, natural avalanches are likely and human triggered avalanches are very likely.
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">A thick storm slabs sits over a predominant surface hoar layer which has been very touchy to rider triggers. With additional snow, natural avalanches are likely and human triggered avalanches are very likely.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">A thick storm slabs sits over a predominant surface hoar layer which has been very touchy to rider triggers. With additional snow, natural avalanches are likely and human triggered avalanches are very likely.</span><span class="s_AA239
1681A555">A thick storm slabs sits over a predominant surface hoar layer which has been very touchy to rider triggers. With additional snow, natural avalanches are likely and human triggered avalanches are very likely.
New snow and wind will add additional load to a highly reactive weak layer. Avalanches may be triggered naturally or by light loads from human triggers.
New snow and wind will increase the avalanche danger on Wednesday. Wind slabs and a slippery crust 30-50 cm below the snow surface are the primary culprits for the elevated avalanche danger.
;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_E6FD2046">New snow and wind will add additional load to a highly reactive weak layer. Avalanches may be triggered naturally or by light loads from human triggers.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">A thick storm slabs sits over a predominant surface hoar layer which is very touchy to skier and rider triggers. </span><span class="s_AA239
All the new storm snow rests precariously on a potent combination of weak surface hoar and stout rain crust.  Conditions are prime for large human triggered avalanches failing 30 - 70 cm deep.
1681A555">A thick storm slabs sits over a predominant surface hoar layer which has been very touchy to skier and rider triggers.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">A thick storm slabs sits over a predominant surface hoar layer which is very touchy to skier and rider triggers.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">A thick storm slabs sits over a predominant surface hoar layer which is very touchy to skier and rider triggers.
Recent storm and wind blown snow rest on a touchy surface hoar/crust combination 50 - 100cm in depth.&nbsp; The stage is set for large human triggered avalanches.
New snow and wind have formed slabs that rest on a stout crust.&nbsp; In some places a very weak layer of surface hoar may rest between the crust and new snow which is a prime setup for human triggered avalanches.
Around 30 cm rests on a thin layer of surface hoar on some slopes. Storm snow avalanches in motion could easily step down to the mid December crust interface.
Around 30 cm of old storm snow rests on a thin layer of surface hoar on some slopes and will likely remain touchy for another day or two in sheltered areas. Storm snow avalanches in motion could step down to the mid December weak layer.
New snow and wind throughout Saturday night will add to an existing storm slab. This slab may be especially touchy because of underlying weak layers. Watch for loose dry avalanches in steep, sheltered terrain.
Recent storm accumulations may remain reactive for longer than normal due to underlying surface hoar crystals. Watch for increased reactivity in wind-exposed terrain.
Up to 50 cm of recent storm snow has been shifted by strong southwest winds into deeper pockets. Forecast northwesterly winds will also redistribute the surface snow onto south facing terrain, adding to the complexity of the storm slab problem.
New snow will begin to hide a variety of wind slabs at upper elevations and surface hoar at and below treeline.  This combination will likely result in touchy storm slabs as the snow totals begin to stack up.
New snow and wind are likely to build storm slabs overtop of existing wind slabs.
New snow may not bond well to the previous snow surface and could be triggered naturally or by the weight of a rider, especially where fresh dense wind slabs form (exposed north to east aspects).
Recent new snow and winds have set up touchy wind slabs in exposed areas and storm slabs in more sheltered locations. These have sufficient mass to be a problem in themselves, or they could trigger deeper weak layers below.
Recent new snow and winds have set up touchy wind slabs in exposed areas and storm slabs in more sheltered locations. These have sufficient mass to be a problem in themselves, or they could trigger deeper weak layers below.
In the north of the region, sufficient new snow has fallen to be concerned with both storm slabs and wind slabs. In the south, less new snow fell, but fresh winds have set up wind slabs in exposed lee terrain on a variety of aspects.
New storm slabs are expected to continue to develop with the forecast new snow and wind. Recent windslabs may hard to locate due to changing wind directions and new snow covering obvious clues.
Storms slabs are expected to continue to develop with forecast new snow and wind. Some old windslabs may be difficult to locate due to changing wind directions and new snow hiding clues.
Storm slabs are expected to continue to develop with forecast new snow and wind. Old windslabs may be difficult to locate as the wind direction changes and new snow covers the clues.
Expect deep and dense storm slabs to build as snow piles up and temperatures rise by Monday. A natural avalanche cycle is likely and human-triggered avalanches are almost certain in steep unsupported terrain.
Southern areas near Terrace and Kitimat received ~30-45 cm of snow by Sunday afternoon. There is potential for storm slabs to form in sheltered areas, or the new snow might just react at loose dry sluffs in steep terrain.
Forecast heavy snowfall and strong Southwest winds are expected to develop a new storm slab at all elevations. The new storm slab is expected to release naturally or be very easy to trigger with light additional loads.
Forecast new snow and wind are expected to develop new storm slabs that may release naturally or be very easy to trigger by light loads like a skier or rider.
Forecast heavy snow and strong winds are expected to develop a new storm slab that may release naturally or be very easy to trigger from light additional loads like a skier or rider.
Heavy snowfall and extreme winds are forecast to form deep and reactive storm slabs. Conservative terrain selection will be critical.
Thick, dense storm slabs have formed during the recent storm. Strong winds have formed wind slabs in exposed terrain. Rain at the end of the storm will also add load and increasing the instability of the slab. Cornices will become weak with warming.
="s_3FE45715">Thick, dense storm slabs have formed during the recent storm. Strong winds have formed wind slabs in exposed terrain. Rain at the end of the storm will also add load and increasing the instability of the slab. Cornices will become weak with warming.
Heavy snowfall and strong winds have built storm slabs in the south of the region. In the northern areas that received less snowfall, wind slabs are the primary concerns.
Forecast new snow and wind is expected to continue to develop a new storm slab. Storm slab avalanches are expected to release naturally during the storm.
The next pulse of moisture should extend further to the North resulting in a very touchy new storm slab. Expect natural avalanche activity and very easy triggering.
The new storm slab is expected to continue to develop with the forecast new snow and wind. Storm slabs should release naturally during the storm, and be very easy to trigger in areas that do not release naturally.
Forecast new snow and wind are expected to continue to develop the new storm slab. Storm slab avalanches may release naturally during the storm, or be very easy to trigger in areas that do not release naturally.
Continued storm loading will be followed by warming on Tuesday morning. This will add to the reactivity and destructive potential of this potent new storm slab.
="s_3FE45715">Warm temps on Wednesday will likely keep the potent new storm slab touchy.  Ongoing natural avalanches are not out of the question either.
The new storm slab is expected to continue to release naturally or be very easy to trigger with light additional loads like a skier or rider.
Warm temps and rain have caused the recent storm snow to settle into a cohesive slab. This slab may overlie a touchy weak layer. Give the new snow a chance to stabilize before pushing into avalanche terrain. Moist or wet storm slabs are possible.
Warm air at the end of the storm has caused rapid settlement in the dry storm slab resulting in increased likelihood of triggering.
="s_3FE45715">Warm temps and rain have caused the recent storm snow to settle into a cohesive slab. This slab may overlie a touchy weak layer. Give the new snow a chance to stabilize before pushing into avalanche terrain. Moist or wet storm slabs are possible.
Storm slabs may have become moist due to above freezing air in the alpine causing settlement and increased likelihood of triggering. Forecast warm air and strong winds may continue to consolidate the new slab.
The new storm slab may become more likely to trigger from light additional loads due to the warm air in the alpine rapidly settling the new snow.
Heavy snowfall and strong winds have built storm slabs in the south of the region. In the northern areas that received less snowfall, wind slabs are the primary concern.
Forecast sunshine and mild temperatures could maintain touchy storm slab conditions and trigger loose wet slides on steep sun-exposed slopes.
Heavy snowfall and strong winds have built storm slabs in the south of the region. In the northern areas that received less snowfall, wind slabs are the primary concern.
Triggering storm slabs in not likely in areas that are capped with a surface crust.&nbsp; Caution is still required in drier areas or where the crust is breakable.
The new storm slab may continue to be triggered by light additional loads. Watch for areas in the alpine and at treeline where the new snow has been transported into windslabs by either Northwest or Southwest winds.
The new storm slab has been reported to be settling and the surface becoming moist in the alpine and at treeline. The storm slab is expected to take a few days to settle and bond to the old surface. Watch for pockets of windslab on various aspects.
Triggering storm slabs in not likely in areas that are capped with a surface crust.  Caution is still required in drier areas or where the crust is breakable.
The new storm slab is settling into a cohesive slab that may be easy to trigger. This new slab may take a few days to settle and bond to the old surface.
The new storm slab is expected to settle into a cohesive slab that may allow for easy or remote triggering and long fracture propagations.
Heavy snowfall and strong winds have built both storm slabs and wind slabs in the south of the region. In the northern areas that received less snowfall, wind slabs are the primary concern.
15-30 cm of recent storm snow is settling into a cohesive soft slab that is highly sensitive to human triggers. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Heavy amounts of recent storm snow has settled into thick slabs that are highly sensitive to human triggers.
Heavy amounts of recent storm snow has settled into thick slabs that are highly sensitive to human triggers.
Recent storm snow has settled and been blown into thick slabs that are highly sensitive to human triggers. Treat slopes that have yet to slide with suspicion.
Heavy amounts of recent storm snow has settled into thick slabs that are highly sensitive to human triggers. Treat slopes that have yet to slide with suspicion.
Recent storm snow has settled into thick slabs that are highly sensitive to human triggers, especially where wind-loaded Treat slopes that have yet to slide with suspicion.
Recent accumulations have settled into a thick slab. Watch for increased sensitivity to triggering in wind-exposed terrain.
Recent storm snow has settled into thick slabs that have been sensitive to human triggers, especially where wind-loaded. Treat slopes that have yet to slide with suspicion.
In areas not affected by the wind, storm slabs may be lurking. These could be triggered by the weight of a person or snowmobile.
New snow and wind on Sunday will add size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals.
New snow and wind on Sunday will add size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals.
New snow and wind on Sunday will add size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals.
New snow and wind on Sunday will add size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals.
Warming temperatures may help create storm slabs. The weight of a person or snowmobile could be enough to trigger one.
Watch for storm slabs as snow continues to build up. Low elevation areas have been previously rain-soaked and loose wet avalanches remain possible in steep terrain.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">Storm snow is showing a poor bond to the surface it fell on, meaning storm slabs may be touchy.  </span><span class="s_AA239
New snow has built up over weak old surfaces, forming a poor bond.
Continued snowfall and winds have created slab problems in many areas. Wind slabs may be lurking on many different slope aspects at alpine elevations, as winds have been variable across the region.
A widespread layer of recently buried surface hoar will make for continued touchy avalanche conditions as the storm snows settle into a soft slab.
New snow and wind from Sunday has added size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals. In sheltered terrain, expect loose dry avalanche activity.
New snow and wind from Sunday has added size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals. In sheltered terrain, expect loose dry avalanche activity.
New snow and wind on Sunday will add size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals. In sheltered terrain, expect loose dry avalanche activity.
New snow and wind on Sunday has added size and reactivity to a developing storm slab. The new snow is expected to be especially reactive due to underlying weak crystals. In sheltered terrain, expect loose dry avalanche activity.
Storm slabs may become sensitive to rider triggering as snow accumulates and temperatures gradually rise. Wet loose sluffs or wet slabs are possible below treeline if we start to see heavy rain at lower elevations. 
Snow and wind over the weekend has added size and reactivity to a developing storm slab. Prolonged reactivity is expected due to underlying weak crystals.
Snow and wind over the weekend has added size and reactivity to a developing storm slab which seems most reactive at higher elevations. Prolonged reactivity is expected due to underlying weak crystals.
="s_3FE45715">The recent storm snow sits on a layer of touchy surface hoar. Recent strong SW winds have loaded leeward features in the alpine and in isolated areas at treeline. Loose sluffing is a concern in steep terrain features.
Snow and wind over the weekend has added size and reactivity to a developing storm slab. Prolonged reactivity is expected due to underlying weak crystals.
Snow and wind over the weekend has added size and reactivity to a developing storm slab. Prolonged reactivity is expected due to underlying weak crystals.
The recent storm snow sits on a layer of touchy surface hoar.  Recent strong SW winds have loaded leeward features in the alpine and in isolated areas at treeline. 
Periods of heavy snowfall could create fresh touchy storm slabs in sheltered terrain. Warming and rain could trigger wet slabs or loose wet sluffs at lower elevations.
New snow, strong winds, and rising freezing levels will form widespread new storm instabilities at all elevations.&nbsp; This problem is coupled with the preserved surface hoar layer down 20-30cm which is expected to become overloaded by this storm.
New snow or rain with high winds and warm temperatures will release avalanches from sufficiently steep terrain in a number of places.
New snow or rain with high winds and warm temperatures will release avalanches from sufficiently steep terrain in a number of places.
New snow or rain with high winds and warm temperatures will release avalanches from sufficiently steep terrain in a number of places.
="s_3FE45715">Warm temperatures with moderate winds are encouraging the new snow to settle into a potentially reactive slab especially in wind loaded features. At lower elevations the new snow may become saturated and form loose wet avalanches.
Warming temperatures and rain with high winds will likely cause avalanches from sufficiently steep terrain in a number of places. At lower elevations the new snow may become saturated and form loose wet avalanches.
ont-weight: normal;font-size: 14.6666666666667px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_A8FEC758">Warming temperatures and rain with high winds will likely cause avalanches from sufficiently steep terrain in a number of places. </span><span class="s_DDF6C5E8">At lower elevations the new snow may become saturated and form loose wet avalanches.
Warming temperatures and rain with high winds will likely cause avalanches from sufficiently steep terrain in a number of places. At lower elevations the new snow may become saturated and form loose wet avalanches.
The new snow may have formed into a touchy new storm slab in many areas that may release naturally and be highly reactive to human triggers.
Forecast new snow and wind may develop a new storm slab that could be touchy to human triggers.
Storm accumulations from Friday will likely remain sensitive to human triggering. Expect increased reactivity in wind-exposed terrain. A smaller surface avalanche in motion may also trigger a larger avalanche on deeper layers.
Storm accumulations from Friday will likely remain sensitive to human triggering. Expect increased reactivity in wind-exposed terrain. A smaller surface avalanche in motion may also trigger a larger avalanche on deeper layers.
Snowfall and wind on Sunday will build new storms slabs. Watch for increased triggering in wind-exposed terrain.
Snowfall and wind on Sunday will build new storms slabs. Watch for increased triggering in wind-exposed terrain.
Snowfall and wind on Sunday night and Monday will build new storms slabs. Watch for increased triggering in wind-exposed terrain.
A thin soft slab will form as the snow accumulates.&nbsp; A layer of recently buried surface hoar above a crust could make for touchy avalanche conditions.
New snow and wind on Sunday night and Monday will form new storm slabs. Watch for triggering in higher elevation, wind-exposed terrain.
="s_3FE45715">Soft slabs will form as the storm snow accumulates.  At tree line and bellow these slabs sit upon a crust. In lee features this snow may hide recent wind slabs.
="s_3FE45715">Soft slabs will form in areas that receive more snow. These slabs will be especially reactive in wind loaded features or where they sit above surface hoar and a crust.
Thick, old storm slabs may still be a concern.&nbsp; Thin, new storm slabs are more likely, especially in wind-loaded features.&nbsp; Small avalanches may have the potential to step-down to a deeper weakness.
The new snow rests on a touchy combination of crust and surface hoar.&nbsp; Small but sensitive wind slabs and fast running sluffs are expected for the next few days.
New storm slabs have created a soft slab that may be easy to trigger in areas where the recent crust and/or a new layer of surface hoar are buried.
Recent storm snow may have settled into a soft slab above the old surface crust and/or a new layer of surface hoar. Fracture propagation may increase as the new storm slab settles.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Thick, old storm slabs may still be a concern.  Thin, new storm slabs are more likely, especially in wind-loaded features.  Small avalanches may have the potential to step-down to a deeper weakness.</span><span class="s_AA239
New storm slabs are developing a soft slab at all elevations. Fracture propagations may increase as the storm slab settles where it is sitting on a crust/surface hoar layer.
A new storm slab is developing above a crust and/or surface hoar that was buried in the past few days.
="s_3FE45715">20-30cm of recent storm snow may be settling into a widespread storm slab. In exposed terrain, new wind slabs can be expected. Loose sluffing from steep terrain may also be a concern.  Use extra caution on sun exposed slopes.
30-40cm of recent storm snow may be settling into a widespread storm slab. In exposed terrain, new wind slabs can be expected. Loose sluffing from steep terrain may also be a concern. Use extra caution on sun exposed slopes.
A new storm slab is developing above a crust and/or surface hoar that was buried in the past few days.
The new storm slab may be easy to trigger as it settles into a cohesive slab, or where it has been transported by the wind into deep pockets of windslab.
Recent storm snow may have settled into a soft slab above the old surface crust and/or a new layer of surface hoar. Fracture propagation may increase as the new storm slab settles.
Recent storm snow may have settled into a soft slab above the old surface crust and/or a new layer of surface hoar. Fracture propagation may increase as the new storm slab settles.
The new snow rests on a touchy combination of crust and surface hoar. Small but sensitive wind slabs and fast running sluffs are expected to persist for the next few days.
New snow rests on a touchy combination of crust and surface hoar. Small sensitive wind slab and fast running sluff problems are expected to transition into thick wind slab and storm slab problems with increased loading from new snow and wind.
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">Forecast new snow and wind are expected to result in natural avalanches releasing within the storm slab, or on the buried crust. Incremental loading from several pulses of moisture may make it difficult to forecast the timing of natural avalanches.</span><span class="s_AA239A9B">
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_DDF6C5E8">Forecast new snow and wind are expected to result in natural avalanches releasing within the storm slab, or on the buried crust. Incremental loading from several pulses of moisture may make it difficult to forecast the timing of natural avalanches.</span><span class="s_AA239A9B">
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">Forecast new snow and wind are expected to result in natural avalanches releasing within the storm slab, or on the buried crust. Incremental loading from several pulses of moisture may make it difficult to forecast the timing of natural avalanches.</span><span class="s_AA239A9B">
The snow over the recently buried surface hoar and crust is expected to be very easy to trigger. Windlabs are also a concern in the alpine and treeline ridgetops and could release naturally as they get thicker during the day.
Forecast new snow and wind are expected to result in natural avalanches releasing within the storm slab, or on the buried crust. Incremental loading from several pulses of moisture may make it difficult to forecast the timing of natural avalanches.
The snow over the recently buried surface hoar and crust is expected to be very easy to trigger. Windlabs are also a concern in the alpine and treeline ridgetops and could release naturally as they get thicker during the day.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Significant storm snow and strong wind will likely initiate a large natural avalanche cycle by Thursday night.&nbsp; I expect the cycle to continue through the day Saturday.
New snow will add to the existing 20-30 cm of recent storm snow which is likely settling into a slab.&nbsp; Strong to extreme SW winds may form large wind slabs in exposed terrain.
Strong winds, heavy snowfall, and rising freezing levels are expected to result in a widespread natural avalanche cycle.
New snow and strong winds are expected to continue to develop storm slabs on all aspects and at all elevations. Expect widespread natural avalanche activity and easy triggering from human activity.
Heavy snow and strong winds are expected to result in a widespread natural avalanche cycle. Avalanche activity and size are expected to increase as the storm continues.
Strong winds, heavy snowfalls, and rising freezing levels are expected to result in a widespread natural avalanche cycle within the storm snow or releasing on the late January buried crust.
Significant snowfall and extreme winds are expected to drive a large natural avalanche cycle that will likely last through Saturday. Probably best to stay out of avalanche terrain while the storm is raging.
New snow will add to the existing 20-30 cm of recent storm snow which is likely settling into a slab.&nbsp; Strong to extreme SW winds should form large wind slabs in everything but the most sheltered terrain.
Snow or rain continues to accumulate making avalanches more likely to slide naturally. Windslabs developing on northeast aspects at higher elevation and wet slabs/loose avalanches problems at all elevations are incorporated into this problem.
Snow or rain continues to accumulate and avalanches are likely to slide naturally. Windslabs developing on northeast aspects at higher elevation and wet slabs/loose avalanches problems at all elevations are incorporated into this problem.
Snow or rain continues to accumulate making natural avalanches more likely to slide. Windslabs developing on northeast aspects at higher elevation and wet slabs/loose avalanches problems at all elevations are incorporated into this problem.
Strong winds, heavy snowfall, and high freezing levels are expected to continue the widespread natural avalanche cycle.
Strong winds, heavy snowfalls, and high freezing levels are expected to result in a widespread natural avalanche cycle within the storm snow or releasing on the late January buried crust.
Heavy snow and strong winds are expected to result in a widespread natural avalanche cycle. Avalanche activity and size are expected to increase as the storm continues.
New snow and strong winds are expected to continue to develop storm slabs on all aspects and at all elevations. Expect widespread natural avalanche activity and easy triggering from human activity.
Snowfall should taper before dawn Saturday morning, but suspect there is still potential for natural avalanche activity Saturday as the snowpack adjusts to the around a meter of storm snow.  Choose well supported mellow terrain.
="s_3FE45715">Snowfall should taper before dawn Saturday morning, but I suspect there is still potential for natural avalanche activity Saturday as a strong SW wind blows and the snowpack adjusts to the new load.
="s_3FE45715">Strong winds, heavy snowfall, and high freezing levels have created widespread storm slabs at higher elevations. Continued storm conditions will add to these highly reactive slabs.
Strong SW winds may continue to fuel the natural avalanche cycle at upper elevations, even if they back off the snowpack still needs some time to adjust to the 50 to 100cm of new snow. I would be very cautious of stepping out Sunday.
="s_3FE45715">Strong SW winds may continue to fuel the natural avalanche cycle at upper elevations, even if they back off the snowpack still needs some time to adjust to the 30 to 70cm of new snow.
Typically storm slabs bond fairly quick. These slabs are expected to take a bit more time due to the heavy nature of the new snow and the underlying surfaces. Below treeline, these slabs are more of a settlement slab concern instead of windslab.
Natural avalanches have ceased and this is when it gets tricky.&nbsp; You may be gaining a bit of confidence, but this is when you're most likely to get involved in a wreck.&nbsp; Give yourself a healthy margin for error if you're looking to step out today.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715"> Natural avalanches have ceased and this is when it gets tricky.  You may be gaining a bit of confidence, but this is when you're most likely to get involved in a wreck.  Give yourself a healthy margin for error if you're looking to step out today.</span><span class="s_AA239
Strong winds, heavy snowfall, and high freezing levels have created widespread storm slabs at higher elevations. Continued storm conditions will add to these highly reactive slabs.
Recent storm snow up to 60cm deep is not bonding well at the Jan 31st interface at Treeline and above. This interface is highly variable across the forecast region. Whumpfing is common indicating that remote triggering is possible.
="s_3FE45715">Strong winds, heavy snowfall, and high freezing levels over the weekend created widespread storm slabs at higher elevations. These slabs are expected to remain reactive to human-triggering for several more days.
Natural avalanches have ceased and this is when it gets tricky.  You may be gaining a bit of confidence, but this is when you're most likely to get involved in a wreck.  Give yourself a healthy margin for error if you're stepping out Tuesday.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Natural avalanches have ceased and this is when it gets tricky.&nbsp; You may be gaining a bit of confidence, but this is when you're most likely to get involved in a wreck.&nbsp; Give yourself a healthy margin for error if you're looking to step out Tuesday.</span><span class="s_AA239
Whumpfing has been observed over the last few days indicating that the storm slab is reactive to human triggering. This interface is highly variable across the forecast region, so diligent route-finding and conservative terrain selection is advised.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Strong winds, heavy snowfall, and high freezing levels over the weekend created widespread storm slabs at higher elevations. </span><span class="s_3FE45715">These slabs are expected to be gaining strength but may remain reactive to human-triggering for several days.
="s_3FE45715">New snow will fall on surface hoar in many locations. Forecast southerly winds of up to 100km/h will rapidly load lee features. The new snow may also stress older storm instabilities that have not yet had a chance to fully stabilize.
="s_3FE45715">New snow will fall on surface hoar in many locations. Forecast southerly winds of up to 100km/h will rapidly load lee features. The new snow may also stress older storm instabilities that have not yet had a chance to fully stabilize.
="s_3FE45715">As the freezing level rises in the south of the region rain could fall on previously dry snow Where this happens expect very touch avalanche conditions.
="s_3FE45715">As the freezing level rises rain will fall on previously dry snow above a layer of surface hoar. There is quite a bit of variability across the region as to when and where this will happen, but where it does expect very touch avalanche conditions.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">High freezing levels means</span><span class="s_3FE45715"> rain or wet snow will continue to load a thin layer of recently buried surface hoar. Expect very touch avalanche conditions.</span><span class="s_AA239
New snow and wind may create storm slabs and wind slabs. At low elevations or on sun-affected slopes, loose wet avalanches remain possible, especially on steep terrain.
Above 1000m heavy snowfall has loaded a thin layer of surface hoar. I expect touchy avalanche conditions to linger for a couple of days after the storm subsides.
At low elevations or on sun-affected slopes, loose wet avalanches remain possible, especially on steep terrain. Recent snow and wind may have created storm slabs and wind slabs.
Recent snow and wind have left slabs which could be triggered naturally or by a person. These may include wind slabs lee to the SW, and storm slabs on other aspects.
ont-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3D0464D1">Recent snow and wind have left slabs which could be triggered naturally, or by the weight of a person. These may include wind slabs lee to the SW, and storm slabs on other aspects.</span><span class="s_AA239
Recent snowfall and strong southwest winds have built reactive new storm slabs. The new snow, which is likely to be most reactive in wind-exposed terrain, may remain touchy for some time due to underlying weak layers.
Intense winds and steady snowfall on Sunday will add to a developing storm slab. Watch for conditions that intensify throughout the day.
Heavy snowfall and strong winds will build reactive new storm slabs. Watch for increased reactivity in higher-elevation lee terrain.
="s_3FE45715">Recent snowfall and strong winds have built reactive storm slabs. Watch for increased reactivity in higher-elevation lee terrain.
Recent snowfall and strong winds have built reactive storm slabs. Watch for increased reactivity&nbsp; with new snow loading in high-elevation lee terrain.
Care should be exercised during this incoming storm cycle. The potential for large destructive avalanches now exists.
New snow and high winds will create a new snow instability with wind slabs and the potential to create large destructive avalanches. Large ripe cornices are definitely worth paying attention to !
New snow and wind is expected to form touchy new storm slabs. Watch for increased reactivity in wind-exposed terrain.
Snow and winds are expected to combine to form slabs that could be triggered by the weight of a person or sled.
="s_3FE45715">Storm slabs up to 50cm thick may overlie a weak layer and are expected to be reactive to human-triggering for several days. These slabs may be moist or wet at lower elevations.
="s_3FE45715">Storm slabs up to 60cm thick may overlie a weak layer and are expected to be reactive to human-triggering for several days. </span><span class="s_3FE45715">These slabs may be moist or wet at lower elevations.</span><span class="s_3FE45
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm slabs up to 50cm thick may overlie a weak layer and are expected to be reactive to human-triggering for several days. These slabs may be moist or wet at lower elevations.</span><span class="s_AA239
="s_3FE45715">Storm slabs up to 60cm thick may overlie a weak layer and are expected to be reactive to human-triggering for several days. These slabs may be moist or wet at lower elevations.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm slabs up to 60cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations. </span><span class="s_AA239
Storm slabs up to 60cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
Storm slabs up to 60cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
Storm slabs up to 60 cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
1681A555">Storm slabs 25-60 cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
Storm slabs up to 25-60 cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
Storm slabs up to 60 cm thick may overlie a weak layer and remain reactive to human-triggering. These slabs may be moist or wet at lower elevations.
New snow and winds are likely to create touchy storm slabs, especially on features in the lee of the wind. At low elevations, loose wet avalanches may be running.
New snow and winds are likely to create touchy storm slabs, especially on features in the lee of the wind. At low elevations, rain may cause loose wet or wet slab avalanches.
An active weather pattern is expected to develop new storm slabs on all aspects above around 1800 m. These will be especially touchy where they are drifted into fat pillows by the wind.
Storm snow sitting above a weak layer buried 40-60 cm below the surface is likely to release as an avalanche in response to loading by new snow, wind, or the weight of a person or machine.
="s_3FE45715">New snow and winds may form touchy storm slabs at higher elevations, especially in wind loaded areas.
Recent snowfall with strong winds has formed touchy storm slabs at higher elevations, especially in wind loaded areas. These slabs may overlie a weak crust layer.
="s_3FE45715">Recent snowfall with strong winds has formed touchy storm slabs at higher elevations, especially in wind loaded areas. These slabs may overlie a weak crust layer.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent snowfall with strong winds has formed touchy storm slabs at higher elevations, especially in wind loaded areas.  These slabs may overlie a weak crust layer.</span><span class="s_AA239
Storm slabs are touchy, especially where they sit on a buried facet, surface hoar and/ or crust interface. Strong winds have built wind slabs on leeward slopes and behind terrain features. Human triggering is likely.
The on-going storm is developing new storm slabs that may not bond well to the old surface of crusts, facets, and surface hoar.
New storm slabs continue to develop with each pulse of moisture and wind that moves across the region.
A few nasty weak layers are being buried by the new snow.  Storm slabs should not be much of a problem yet, but this problem is expected to become very touchy as the new snow combines with wind and potential warming this weekend.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">A few nasty weak layers are being buried by the new snow.  Storm slabs should not be much of a problem yet, but this problem is expected to become very touchy as the new snow combines with wind and potential warming this weekend.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">Snow is building up over a very touchy weak layer and building storm slabs that are sensitive to human triggering.
1681A555">Snow is building up over a very touchy weak layer and building storm slabs that are sensitive to human triggering.
Recent storm slabs are expected to settle and bond over the next few days.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">Snow is building up over a very touchy weak layer and building storm slabs. Winds are also creating slabs on lee slopes.
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">Snow is building up over a very touchy weak layer and building storm slabs. Winds are also creating deep slabs on lee slopes.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">Snow is building up over a very touchy weak layer and building storm slabs that may be sensitive to human triggering. Winds are also building wind slabs on lee slopes.</span><span class="s_AA239
ont-weight: normal;font-size: 14.6666666666667px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_DDF6C5E8">Snow is building up over a very touchy weak layer and building storm slabs. Winds are also creating deep slabs on lee slopes.</span><span class="s_AA239
Storm slabs continue to develop in the alpine. Forecast new snow and wind will add to these developing slabs.
Storm slabs are rapidly building over a touchy weak layer.  This slab problem is expected to become widespread on Sunday with new storm loading overnight.  Strong SW winds are creating thicker slabs in lee features of wind exposed terrain.
Storm slabs are building over a touchy weak layer.  This slab problem is expected to become widespread on Sunday with new storm loading overnight.  Strong SW winds are creating thicker slabs in lee features in wind exposed terrain.
Storm slabs will continue to develop with increased precipitation and strong SW winds
="s_3FE45715">Ongoing snowfall should continue to energize the storm slab problem.  Savvy folks will choose terrain that provides lots of simple, well supported options.  I would not be surprised to see large human triggered avalanches in more challenging terrain.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm slabs are building over a touchy weak layer.  This slab problem was not widespread on Saturday but is expected to become a concern Sunday with new storm loading overnight.  Strong SW winds are creating thicker slabs in leeward features.</span><span class="s_AA239
Expect the storm slabs in the Alpine to be most reactive in lee features. Below 1800m, expect to find 30-40cm of recent storm snow overlaying a very weak layer of surface hoar anywhere the trees are open enough to provide nice riding.
="s_3FE45715">Thick storm slabs continue to build over a touchy weak layer. This slab problem is expected to continue to get worse as more snow accumulates on Monday. Strong SW winds are creating thicker slabs in lee features in wind exposed terrain.
Thick storm slabs continue to build over a touchy weak layer. This slab problem is expected to continue to get worse as more snow accumulates on Monday. Strong SW winds are creating thicker slabs in lee features in wind exposed terrain.
Strong wind and heavy forecast snowfall Sunday night and Monday are expected to energize the storm slab problem. Storm slabs in motion may step down to the mid-November crust, or potentially deeper resulting in large destructive avalanches.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm slabs continue to build over a touchy weak layer.  This slab problem is expected to continue to get worse as more snow accumulates on Monday.  Strong SW winds are creating thicker slabs in lee features in wind exposed terrain.</span><span class="s_AA239
Recent storm snow loading is building a dense storm slab, and may be more pronounced in areas transported by the wind
Storm slabs are building over a crust on solar aspects and a touchy weak layer of surface hoar on all aspects below approximately 1800m. Strong to extreme SW winds are creating thick wind slabs in places not normally expected.
ont-weight: normal;font-size: 14.6666666666667px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_DDF6C5E8">Heavy snowfall will likely result in a continued and widespread avalanche cycle.
="s_3FE45715">Thick storm slabs continue to build over a touchy weak layer. This slab problem is expected to get worse on Tuesday as the storm continues and freezing levels rise to around treeline. Strong SW winds are creating thicker slabs in leeward features.
Thick storm slabs continue to build over a touchy weak layer. This slab problem is expected to get worse on Tuesday as the storm continues and freezing levels rise to around treeline. Strong SW winds are creating thicker slabs in leeward features.
="s_3FE45715">Thick storm slabs continue to build over a touchy weak layer. This slab problem is expected to get worse on Tuesday as the storm continues and freezing levels rise to around treeline. Strong SW winds are creating thicker slabs in leeward features.
Storm slabs continue to build over a touchy weak layer. This slab problem is expected to get worse on Tuesday as the storm continues and freezing levels rise to around treeline. Strong SW winds are creating thicker slabs in leeward features.
Rapidly rising temperatures, heavy snowfall transitioning to rain and strong SW winds should make for a tricky Tuesday. Rapid settlement of the recent storm snow will likely result in a widespread avalanche cycle at all elevations.
Natural avalanche activity should taper off as things dry out and cool off. However, storm and wind slabs will likely remain susceptible to human triggers for the forecast period.
Natural avalanche activity should taper off as things dry out and temperatures drop. However, storm and wind slabs will likely remain sensitive to human triggers for the forecast period.
="s_3FE45715">Above treeline, storm slabs continue to build. Strong SW winds are creating thicker slabs in leeward features. At lower elevations, rain has soaked the snow surface resulting in heavy upside-down slabs which overly touchy surface hoar.
="s_3FE45715">Above treeline, thick storm slabs continue to build. Strong SW winds are creating thicker slabs in leeward features. At lower elevations, rain has soaked the snow surface resulting in heavy upside-down slabs which overly very touchy surface hoar.
="s_3FE45715">Above treeline, thick storm slabs continue to build. Strong SW winds are creating thicker slabs in leeward features. At lower elevations, rain has soaked the snow surface resulting in heavy upside-down slabs which overly touchy surface hoar.
Above treeline, thick storm slabs continue to build. Strong SW winds are creating thicker slabs in leeward features. At lower elevations, rain has soaked the snow surface resulting in heavy upside-down slabs which overly very touchy surface hoar.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.</span><span class="s_AA239
Storm and wind slabs will likely remain sensitive to human triggers, especially at upper elevations.
A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
Storm snow weaknesses in the top metre remain sensitive to human triggers. These storm and wind slabs will be particulary deep and touchy on the downwind side of ridge crests and in wind-loaded gullies in exposed areas at higher elevations.
A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
="s_3FE45715">A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
="s_3FE45715">A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
="s_3FE45715">A thick storm slab overlies a highly variable interface which is still reactive in many areas. Strong SW winds have created thicker wind slabs in leeward features.
New snow will likely be sensitive to human triggers, and particularly deep and weak on the leeward side of ridge crests and in wind-loaded chutes.
New snow will likely be sensitive to human triggers, and particularly deep and weak on the leeward side of ridge crests and terrain breaks, and in wind-loaded chutes.
New snow will likely be sensitive to human triggers, and particularly deep and weak on the leeward side of ridge crests and in wind-loaded chutes.
New snow will likely be sensitive to human triggers, and particularly deep and weak on the leeward side of ridge crests and terrain breaks, and in wind-loaded chutes.
Recent storm snow is expected to remain reactive to human-triggering, especially in the leeward side of ridge crests and in wind-loaded chutes.
New storm slabs are expected to develop overnight. Storm slabs may be sitting on a weak layer of surface. Pockets of old wind slab may continue to linger at higher elevations.
New storm slabs are expected to develop with forecast new snow and wind. Watch for reverse loading as the wind direction changes back to the south.
New storm slabs are expected to develop with forecast new snow and wind.
New storm slabs were delayed as the storm did not push inland as fast as forecast. Strong winds and new snow should develop storm slabs overnight.
Watch for the development of soft slabs especially in lee features. The new snow may be falling on a layer of surface hoar in sheltered areas bellow tree-line resulting in surprisingly touchy conditions.
Storm snow is likely to slide readily on steep terrain, initially in relatively small avalanches. The expected size of avalanche will increase in areas where significant wind drifting occurs.
New soft slabs may be easy to trigger or release naturally. Storm slabs may increase in size as the slab consolidates and may be sitting on a sliding layer of buried surface hoar.
New storm slabs may not bond well to the old surface of cold loose snow, wind crusts, and/or buried surface hoar.
New snow and wind on Friday likely developed soft storm slabs, especially in lee features. The new snow may have fallen on a layer of surface hoar in sheltered areas bellow tree-line resulting in surprisingly touchy conditions.
="s_3FE45715">Friday's storm produced enough snow and wind to form fresh wind slabs in exposed terrain. These slabs are likely to remain sensitive to human triggering Saturday.
New snow will add to the existing storm slabs. Strong winds at higher elevations are expected to create deep pockets of wind transported snow. Cold temperatures may limit slab development.
Forecast new snow and wind will add to the existing storm slabs. Deep pockets of wind transported snow are expected in the alpine.
Storm slabs continue to develop with each pulse of new snow and wind. Cool temperatures may be limiting slab development.
We're in for a strong dose of SW wind Sunday and there's plenty of snow available to form fresh wind slabs. Wind sheltered terrain at and below treeline may harbour a storm slab up to 30cm in depth that rests on potentially touchy surface hoar.
Storm slabs may be deep at higher elevations where they have been transported by the wind into deep pockets. Watch for slabs developing at all elevations if the storm snow settles and becomes more cohesive.
New storm slabs continue to develop with each new load of snow and wind transported snow.
New storm slabs continue to develop. New snow amounts vary across the region. Deep pockets of wind transported snow may exist at higher elevations.
1681A555">The combination of new snow and SW wind has created slabs on lee features near ridgetops. Below treeline, the storm slab may be extra touchy where it sits on buried surface hoar.
="s_3428770D">Storm snow amounts vary across the region. Deep pockets of wind transported snow may exist on northeast through northwest aspects at higher elevations.
ont-weight: normal;font-size: 14px;color: #121212; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Recent s</span><span class="s_3D0464D1">trong SW winds created wind slabs at all elevations. These may now be hidden under new snow. New storm slabs may also exist.
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">The combination of new snow and SW wind has created slabs on lee features at alpine and treeline elevations. Below treeline, the storm slab may be extra touchy where it sits on buried surface hoar.</span><span class="s_AA239
Wind slabs may be found lee to the SW near ridge crests. In sheltered areas, storm slabs or loose snow avalanches may still be reactive to human triggering.
="s_69982360">Moderate southwest through southeast winds will have loaded lee features at tree-line and in the alpine. The new snow may be sitting on surface hoar in sheltered areas.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_DDF6C5E8">Recent snow has formed touchy soft slabs. Be especially wary in the lee of ridges and ribs.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">Recent snow has formed touchy soft slabs and is also sluffing easily in steep terrain. This new snow may be hiding recently formed hard wind slabs on slopes lee to the SW.</span><span class="s_AA239
: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_1681A555">Recent snow has formed touchy soft slabs and is also sluffing easily in steep terrain. This new snow may be hiding hard wind slabs on slopes lee to the SW.</span><span class="s_AA239
1681A555">Fresh storm slabs are most likely to develop later in the day in the south of the region.&nbsp; Variable winds shifting from east to northwest have created wind slabs in many areas that will be hidden by the new snow.
The forecast storm snow amounts are highly variable across the region. Fresh storm slabs are most likely to develop later in the day south of Whistler.&nbsp; The new snow may be hiding old wind slabs at tree-line and in the alpine.
="s_3428770D">In areas that receive 20cm of new snow or more watch for fresh slabs developing at all elevations as the storm snow settles through the day. Old wind slabs may still be be reactive in lee features on east through northwest aspects.
In areas that receive close to the upper end of the forecast snowfall amounts fresh storm slabs will develop through the day. Old wind slabs may still be reactive in lee features on east through northwest aspects.
Recent snow has formed touchy soft slabs and is also sluffing easily in steep terrain. This new snow may be hiding recently formed hard wind slabs on slopes lee to the SW.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent snow has formed touchy soft slabs and is also sluffing easily in steep terrain. This new snow may be hiding hard wind slabs on slopes lee to the SW.</span><span class="s_AA239
The recent snow has formed soft slabs that may remain touchy.&nbsp; Be especially cautious in the lee of ridges and ribs.
Storm slabs from 10 to 60cm in depth may still be sensitive to human triggering on Friday.&nbsp; The usual problem areas like convexities, steep unsupported terrain features and the more complex lines should probably be avoided at this time.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm and wind slabs from 10 to 40cm in depth may still be sensitive to human triggering Friday.  The usual problem areas like convexities, steep unsupported terrain features and the more complex lines should probably be avoided at this time.</span><span class="s_AA239
There is a bit of variability with regard to the upper snowpack throughout the region right now, so carefully evaluate local conditions before committing to the bigger lines.
Snow and wind will form widespread storm slabs and could shock several weak layers in the snowpack resulting in large avalanches.
Storm slabs will build rapidly, especially in wind loaded features at tree line and in the alpine. The new load will test the strength of the thin, weak snowpack.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">There is a bit of variability with regard to the upper snowpack throughout the region right now, so carefully evaluate local conditions before committing to the bigger lines.</span><span class="s_AA239
Storm slabs from 20 to 80cm in depth may still be sensitive to human triggering on Saturday.&nbsp; The usual problem areas like convexities, steep unsupported terrain features and the more complex lines should probably be avoided at this time.
Storm and wind slabs from 15 to 50cm in depth may still be sensitive to human triggering Saturday. The usual problem areas like convexities, steep unsupported terrain features and the more complex lines should probably be avoided at this time.
Today is not the day to push into steep terrain. Several weak surface hoar layers in the upper snowpack have been overloaded by new storm snow. Stick to conservative terrain and watch your overhead hazard.
Storm slabs have remained sensitive to triggering WAY longer than anticipated. Strong to extreme W/SW wind Saturday night/Sunday is bound to exacerbate the situation. Your best bet is to reign it way in and give the snowpack time to sort itself out.
="s_3FE45715">Storm slabs have remained sensitive to triggering WAY longer than anticipated. Strong to extreme W/SW wind Saturday night/Sunday is bound to exacerbate the situation. Your best bet is to reign it way in and give the snowpack time to sort itself out.
Storm slabs have remained sensitive to triggering WAY longer than anticipated. Variable winds Saturday and Sunday have likely exacerbated the situation. Your best bet is to reign it way in and give the snowpack time to sort itself out.
Incremental loading of storm snow over the past week may take a few more days to settle and bond due to the low density of the snow and the continued low temperatures.
Storm slabs have been slow to settle and bond due to the continued cold temperatures. Some pockets of wind transported snow may continue to be easy to trigger.
Storm slabs have been slow to settle and bond due to the continued cold temperatures. Some pockets of wind slab at upper elevations may remain sensitive to human triggering.
The recent storm snow is sitting on a widespread layer of surface hoar. Expect touchy avalanche conditions in wind loaded features, steep terrain, or around convexities as the new snow gains slab properties.
The recent storm snow is sitting on a widespread layer of surface hoar. Touchy soft slabs may be encountered in wind loaded features, steep terrain, or around convexities as the new snow settles.
The recent storm snow is sitting on a widespread layer of surface hoar. Touchy soft slabs are expected in wind loaded features, steep terrain, or around convexities as the new snow settles.
The recent storm snow is sitting on a widespread layer of surface hoar. Touchy soft slabs are expected in wind loaded features, steep terrain, and around convexities as the new snow settles.
Recent storm accumulations are sitting on a widespread layer of surface hoar. Touchy soft slabs are expected in wind loaded features, steep terrain, and around convexities as the new snow settles and gains cohesion.
Recent storm accumulations are sitting on a widespread layer of surface hoar. Touchy soft slabs are expected in areas where wind or warmth have encouraged the formation of a cohesive slab.
The new snow will stress a variety of recently buried old weak surfaces. Conditions are expected to get touchy as storm slabs develop through the day.
The new snow will stress a variety of recently buried old weak surfaces. Conditions are expected to get touchy as storm slabs develop through the day.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_A8FEC758">The new snow will fall on a variety of old weak surfaces including surface hoar in the alpine.&nbsp; I would tread lightly until we get a good feel for how the snowpack is reacting.</span><span class="s_1681A
The new snowfall will add to the existing storm slab which is sitting over a widespread layer of surface hoar. In wind-exposed terrain, thicker slabs are building in leeward features.
I suspect that we will see increasingly react reactive storm slabs as the storm snow settles through the day.
The new snow will stress a variety of recently buried old weak surfaces. Conditions are expected to get touchy as storm slabs develop through the day.
I expect a storm snow to develop through the day. This slab is sitting above a complex snowpack with several buried weak layers. I would tread lightly until we get a good feel for how the snowpack is reacting to the new snow.
="s_3FE45715">Building storm slabs sit on a variety of weak layers making avalanche conditions touchy.
="s_3FE45715">Building storm slabs sit on a variety of weak layers making avalanche conditions touchy.
="s_3FE45715"> Building storm slabs sit on a variety of weak layers making avalanche conditions touchy.
Expect fresh storm slabs to be particularly deep and touchy in wind-exposed terrain at higher elevations.
Fresh storm slabs are particularly deep and touchy in wind-exposed terrain at higher elevations.
Forecast new snow and wind are expected to continue to develop storm slabs at all elevations. Pockets of wind transported snow may deep and easy to trigger where they are sitting on buried weak surface hoar crystals.
Forecast new snow and wind may develop touchy storm slabs at all elevations.
Forecast new snow and wind are expected to continue to develop storm slabs at all elevations. Storm slabs may be sitting on buried weak layers, allowing for long fracture propagations in areas where the storm snow has settled into a cohesive slab.
Forecast new snow and wind continue to develop storm slabs at all elevations. Pockets of wind transported snow may be deep and easily triggered where they are sitting on buried weak layers of surface hoar or facets.
The recent snow is settling into a soft slab that is sitting above surface hoar in many places. I would tread carefully for a little while longer to see how the snowpack reacts.
A soft slab is developing above a layer of surface hoar. Moderate southerly winds have also loaded lee features at treeline and in the alpine. I would continue to tread lightly until we get a good feel for how the snowpack is reacting.
The recent storm snow is primed for triggering.
Especially touchy on wind-loaded slopes where slabs are more cohesive, south aspects where buried surface hoar sits on a sun crust, and at lower elevations where warming has promoted slab development and surface hoar is more pronounced.
The presence of a couple of layers of recently buried surface hoar means that the storm snow will take longer to stabilize than usual for the region. Watch for touchy slabs around convexities or in wind loaded terrain.
The recent storm snow is sitting above a widespread layer of surface hoar. Expect touchy conditions in area where wind has formed deeper soft slabs.
A soft slab is developing above a layer of surface hoar. Moderate to strong winds have also loaded lee features on a variety of aspects. Back off if you start seeing signs of instability such as recent avalanches, blowing snow, or shooting cracks.
Storm snow may have settled into a reactive storm slab where it is sitting on a weak layer of buried surface hoar. Some new wind slabs may develop in the lee of forecast northwest winds.
Storm slabs may be settling into cohesive slabs above weak surface hoar crystals. Moderate northwest winds may develop new wind slabs in the alpine. Wind slabs in motion may propagate larger storm slab avalanches.
Recent storm snow has settled into a reactive storm slab on all aspects. Watch for buried surface hoar that is easy to trigger in open cut blocks below treeline.
Especially touchy on wind-loaded slopes where slabs are more cohesive, south aspects where buried surface hoar sits on a sun crust, and at lower elevations where warming has promoted slab development and surface hoar is more pronounced.
Snowfall on Saturday will add to the existing storm slab which is typically 20-30cm thick and overlies a widespread layer of surface hoar. Strong SW winds will result in increased loading of leeward features.
Snowfall on Saturday will add to the existing storm slab which is typically 20-40cm thick and overlies a widespread layer of surface hoar. Strong SW winds will result in increased loading of leeward features.
In areas where the storm snow has settled into a cohesive slab, the slab is easy to trigger and may allow for long fracture propagations due to the weak layer of buried surface hoar below. In other areas the recent snow may be unconsolidated.
Strong outflow winds are forecast overnight before the new storm moves on shore. Watch for wind transported snow on all aspects. Storm slabs may be easy to trigger here they are sitting on a weak layer of buried surface hoar.
A 25-40cm storm slab overlies a layer of surface hoar and is primed for human-triggering in many areas including steep open slopes, convexities, and wind loaded features.
Recent storm snow has settled into a reactive slab on all aspects and elevations. Watch for buried surface hoar that is easy to trigger on steep rolls in open terrain.
Recent storm snow has settled into a reactive slab on all aspects and elevations. Watch for buried surface hoar that is easy to trigger on steep rolls in open terrain.
New snowfall on Sunday will add to the existing storm slab which is typically 15-30cm thick and overlies a widespread layer of surface hoar. Strong to extreme SW winds will result in increased loading of leeward features.
A 25-40cm storm slab overlies a layer of surface hoar and is primed for human-triggering in many areas including steep open slopes, convexities, and wind loaded features.
30-50cm of storm snow overlies a widespread layer of surface hoar. Strong SW winds will result in increased loading of leeward features.
="s_3FE45715">Recent storm snow has settled into a reactive slab on all aspects and elevations. Watch for buried surface hoar that is easy to trigger on steep rolls in open terrain. This layer has been especially reactive below 1800 m.
Recent storm accumulations overlie a weak layer of surface hoar. Expect very touchy conditions in areas where the the new snow has settled into a cohesive slab.
="s_3FE45715">Recent storm snow has settled into a reactive slab on all aspects and elevations. Watch for buried surface hoar that is easy to trigger on steep rolls in open terrain.
Continued snowfall is building storm slabs which are typically 20-30cm thick and overlie a widespread layer of surface hoar. Strong SW winds will result in increased loading of leeward features.
="s_7D940460"> Especially touchy on wind-loaded slopes where slabs are more cohesive, south aspects where buried surface hoar sits on a sun crust, and at lower elevations where warming has promoted slab development and surface hoar is more pronounced.
Over the past week, 40-70cm of storm snow has accumulated over a widespread layer of surface hoar. Ongoing strong SW winds continue to load leeward features in wind-exposed terrain in the alpine and at treeline.
Continued snowfall is building storm slabs which are typically 20-30cm thick and overlie a widespread layer of surface hoar. Strong SW winds will result in increased loading of leeward features.
Continued snowfall is adding to storm slabs which are typically 30-50cm thick and overlies a widespread layer of touchy surface hoar. Strong to extreme SE winds have recently loaded of leeward features and will continue to do so on Monday.
Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation makes hazard particularly tricky to manage.
Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation makes hazard particularly tricky to manage.
Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation makes hazard particularly tricky to manage.
Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation makes hazard particularly tricky to manage.
="s_3FE45715">Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation makes hazard particularly tricky to manage.
Storm slabs are primed for human triggering on all aspects and at all elevations. Remote triggering and widespread propagation are expected to make the hazard particularly tricky to manage.
ont-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_A8FEC758">New snow, rising temps and strong southerly winds are expected to create a storm slab problem. Storm slabs/ wind slabs may pick up a surprising amount of mass.</span><span class="s_AA239
New snow, rising temps and strong southerly winds are expected to create a storm slab problem. Storm slabs/ wind slabs may pick up a surprising amount of mass if they fail on a persistent weak layer.
Storm slabs continue to grow with continued light to moderate snowfall on Friday. Expect deep and touchy slabs in lee (NE-NW) and cross-loaded terrain.
Wind and storm slabs from the last few days have been slow to settle and gain strength, and are expected to remain sensitive to light loads in many areas. Large cornices are also weak, and could easily trigger an avalanche on the slope below.
="s_69982360">New snow, rising temps and strong southerly winds are expected to create a storm slab problem. At low elevations, rain on snow may lead to loose wet/ wet slab avalanche activity that could run surprisingly far.
Latest weather models indicate up to 30cm of new snow may fall on Thursday night and Friday. Warm temperatures and strong winds will form dense storm slabs at all elevation bands. A storm slab in motion can also trigger deeper persistent weaknesses.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_69982360">New snow, rising temps and strong southerly winds are expected to create a storm slab problem. Storm slabs/ wind slabs may pick up a surprising amount of mass due to the existence of a persistent weak layer.</span><span class="s_AA239
Storm and wind slabs continue to grow. These slabs may be particularly touchy in exposed lee (W-NE) and cross-loaded terrain. 
The recent storm has created storm slabs in many areas, and wind slabs on slopes lee to the south. These could be easy to trigger with the weight of a person or sled.
ont-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_A8FEC758">The recent storm has created storm slabs in many areas, and wind slabs on slopes lee to the south. These could be easy to trigger with the weight of a person or sled.</span><span class="s_AA239
The storm slab will continue to build with incoming precipitation . Extreme caution should be used, especially in areas with heavy loading of new snow and wind. Below treeline, rain soaked snow may be extremely touchy
Wind and storm slabs from the last few days may be slow to settle and gain strength, and can be expected to remain sensitive to&nbsp; rider loads in many areas. Large cornices are also weak, and could easily trigger a large avalanche on the slope below.
Storm and wind slabs continue to grow. These slabs may be particularly touchy in exposed lee (W-NE) and cross-loaded terrain.&nbsp;
The recent storm created deep storm slabs in many areas, and wind slabs on exposed north-facing slopes. These could be triggered by the weight of a person or sled.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recent snowfalls have created new storm slabs throughout  the region and wind slabs on lee features. This has also added load and stress to the already touchy persistent slab. </span><span class="s_AA239
More snow, and more wind will keep the hazard high, especially at tree line and above.
Use caution around tree line and above, storm and wind slabs are touchy right now.
Skier triggered avalanches are still happening, use care when venturing into new or big terrain.
Wind and storm slabs are a very real hazard right now. Use caution venturing into new or steep terrain. Taking a few minutes to dig a pit and verify the hazard is well worth your time!
Wind and storm slabs are the chief concern these days,&nbsp; above and below tree line, and on all lee aspects in the alpine.
Storm slabs will continue to build on Thursday and may overlie a weak surface hoar layer.&nbsp; Strong southwest winds will likely form new wind slabs or add to old wind slabs in leeward features.
Heavy snowfall and extreme winds on Wednesday and Thursday morning will form deep and dense storm slabs at higher elevations. Watch for increased triggering in wind-exposed terrain.
Recently formed storm slabs overlie a layer of surface hoar layer in many areas and are expected to remain touchy on Friday. Recent strong southwest winds have likely loaded leeward features in wind exposed terrain.
Recently formed storm slabs are expected to remain touchy on Friday. Recent strong southwest winds have likely loaded leeward features in wind exposed terrain.
Continued snowfall and strong winds on Friday will contribute to an ongoing storm slab problem. Watch for increased triggering in wind-exposed terrain.
Deep and dense storm slabs are are expected to remain sensitive to light loads. Watch for increased reactivity in wind-exposed terrain.
Widespread wind effect was reported at higher elevations. With that, recently formed storm slabs have the potential to propagate over wide distances and trigger more destructive persistent slab avalanches.
Storm slabs may continue to develop overnight with the forecast 5-15 cm of new snow and strong westerly winds. Deep pockets of wind transported snow may develop on easterly aspects.
New snow may not bond well to the previous snow surface, especially in exposed lee terrain where wind slabs have developed. Also, watch for loose snow sluffing in steep terrain. 
New snow may not initially bond well to the previous snow surface, especially in exposed lee terrain where fresh wind slabs develop. Also, watch for loose dry sluffing in steep open terrain.&nbsp;
It may be possible to trigger recently formed storm slabs in exposed lee terrain, which in turn could trigger more destructive persistent slab avalanches.
New storm slabs are expected to develop with the forecast new snow and wind. Recent wind slabs may continue to be triggered by skiers/riders in the lee of ridgetop terrain features.
Moderate winds, new snow and warming temperatures are expected to create touchy conditions as the new snow settles to form a slab. At lower elevations rain falling on snow will trigger widespread natural avalanche activity.
New storm slabs developing rapidly with forecast new snow and strong winds. Pockets of wind transported snow may be deep and easily triggered.
New storm slabs are expected to develop rapidly with forecast new snow and extreme winds. Storm slabs in motion may step down to the deeply buried persistent weak layer resulting in very large avalanches.
="s_7D940460">Moderate winds, new snow and warming temperatures are expected to create touchy conditions as the new snow settles to form a slab. At lower elevations rain falling on snow will trigger widespread natural avalanche activity.
="s_3FE45715">Winds, new snow and warm temperatures are expected to create touchy conditions as the new snow settles into a slab. Where rain falls on previously cold snow increased avalanche activity is expected.
Winds, new snow and warm temperatures are expected to create touchy conditions as the new snow settles to form a slab. Where rain falls on previously cold snow increased avalanche activity is expected.
New storm slabs continue to develop with strong to extreme southerly winds and heavy snowfall.
Strong southwest winds and heavy precipitation continue to develop new storm slabs above 700 metres.
New storms slabs continue to develop with strong southerly winds and heavy snowfall.
New storm slabs are expected to continue to develop with forecast new snow and wind.
="s_3FE45715">Recently formed storm slabs may remain reactive to the weight of a skier in higher elevation lee terrain. At lower elevations where temperatures are expected to rise above freezing, loose wet avalanches are also possible.
Recently formed storm slabs may remain reactive to the weight of a skier in higher elevation lee terrain. At lower elevations where temperatures are expected to rise above freezing, loose wet avalanches are also possible.
New storm slabs are expected to develop in higher elevation terrain in response to loading from new snow and wind. Wind loaded areas will be the most immediate concern but a more widespread storm slab problem may develop in the deeper snowfall areas.
Storm slabs are expected to continue to develop in steep, higher elevation terrain in response to loading from new snow and wind Tuesday overnight.  Wind loaded features are likely to have the most reactive slabs.
Widespread storm slabs continue to develop in higher elevation terrain and are expected to be quite reactive on Thursday.&nbsp; Extra caution is required on north through east aspects in the alpine where wind loading has increased slab reactivity.
Forecast new snow and wind are expected to continue to develop storm slabs at all elevations. Storm slabs may be touchy in the alpine and at treeline where they may be sitting on a buried crust.
Forecast new snow and wind will add to the recent storm slab that is sitting on a buried melt-freeze crust. This storm slab is 40-60 cm deep and may be sitting on a weak layer of surface hoar in some areas.
Widespread storm slabs continue to develop in higher elevation terrain and are expected to be quite reactive on Thursday.&nbsp; Extra caution is required on north through east aspects in the alpine where wind loading has increased slab reactivity.
Recently formed storm slabs are expected to be very sensitive to human-triggering on Thursday. Wind loaded features are likely to have the most reactive slabs.
New snow and wind on Wednesday night and Thursday will form new wind slabs in lee terrain and add to a developing storm slab. Storm slab avalanches may be surprisingly large if they fail on a buried crust located up to 70cm below the surface.
Widespread storm slabs continue to develop and are expected to be very reactive on Friday. With the colder temperatures, this could be a problem at all elevations. Extra caution to wind loaded features in the alpine.
Storm slabs may continue to develop with forecast new snow and wind. Dig down and test the bond between the recent storm snow and the buried crust below.
Widespread storm slabs continue to develop and are expected to be reactive on Friday. With the colder temperatures, this could be a problem at all elevations. Extra caution to wind loaded features in the alpine.
Storm slabs may continue to develop with each pulse of new snow and wind. Expect these slabs to be easy to trigger, and may result in wide propagations where there is a layer of buried surface hoar at the storm snow/crust interface.
New snow and wind on Wednesday night and Thursday have added to a developing storm slab. Storm slab avalanches may be surprisingly large if they fail on a buried crust located up to 75cm below the surface.
Storm slabs continue to develop with each pulse of new snow and wind. Storm slab avalanches may release with wide propagations in areas where there is a buried surface hoar layer at the storm snow/crust interface resulting in large avalanches.
Recently formed storm slabs are expected to remain sensitive to human-triggering on Friday. Wind loaded alpine features are likely to have the most reactive slabs.
Storm slabs are deep and continue to load with each pulse of stormy weather. Buried surface hoar at the storm snow/crust interface may result in wide propagations and large avalanches.
Recently formed storm slabs continue to be reactive to rider triggering this weekend. Wind loaded alpine features and south facing slopes when the sun comes out are likely to have the most reactive slabs.
Recently formed storm slabs are expected to be reactive to rider triggering on Saturday. Extra caution to wind loaded features in the alpine.
Recent storm slabs continue to be reactive to rider triggers on Saturday, especially on wind loaded slopes and the leeward side of terrain features. If the sun shines it may have enough punch to trigger natural avalanches.
Storm slabs may continue to develop with forecast new snow and wind. Dig down and test the bond between the recent storm snow and the buried crust below.
Storm slabs may continue to develop with each pulse of new snow and wind. Expect these slabs to be easy to trigger, and may result in wide propagations where there is a layer of buried surface hoar at the storm snow/crust interface.
Storm slabs are deep and continue to load with each pulse of stormy weather. Buried surface hoar at the storm snow/crust interface may result in wide propagations and large avalanches.
Storm slabs continue to develop with each pulse of new snow and wind. Storm slab avalanches may release with wide propagations in areas where there is a buried surface hoar layer at the storm snow/crust interface resulting in large avalanches.
Storm slabs may continue to be easy to trigger where they are sitting on a buried melt-freeze crust. Strong solar radiation may increase the likelihood of triggering.
Weak bonds within the top 20-40 cm of recent storm snow may result in easy triggering. Strong solar radiation may increase the likelihood of triggering. Storm slab avalanches in motion may step down to the persistent weak layer.
Weak bonds may exist within the recent storm snow. Strong solar radiation may increase the sensitivity to triggering. Storm slabs in motion may step down to the persistent weak layer resulting in very large avalanches.
Recent storm slabs continue to be reactive to rider triggers especially on wind loaded slopes. If the sun shines it may have enough punch to trigger natural avalanches.
There may be weak layers within the recent storm snow, or the entire storm slab may release on the melt-freeze crust that formed last week. Strong solar radiation may weaken the storm slab bond and increase the likelihood of triggering an avalanche.
Recent storm slabs continue to be reactive to rider triggers especially on wind loaded slopes. If the sun shines it may have enough punch to trigger natural avalanches.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Recently formed storm slabs will continue to be reactive to rider triggering on Sunday. Wind loaded alpine features and south facing slopes when the sun comes out are likely to have the most reactive slabs.</span><span class="s_AA239
Storm slabs may continue to be easy to trigger where they are sitting on a buried melt-freeze crust. Periods of strong solar radiation or warming may increase the likelihood of triggering.
Weak bonds may exist within the recent storm snow. Storm slabs in motion may step down to the persistent weak layer resulting in very large avalanches. 
It may be possible to trigger thin new storm slabs, especially in wind affected terrain. Storm slab avalanches in motion may step down to the persistent weak layer.
Recent storm snow is highly sensitive to human triggering and particularly deep and touchy on wind-loaded slopes.
Recent storm snow is highly sensitive to human triggering and particularly deep and touchy on wind-loaded slopes.
</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">Recent storm snow is sensitive to human triggering and particularly deep and touchy on wind-loaded slopes.
Lingering storm slabs remains sensitive to human triggering.&nbsp; Wind loaded areas in the alpine and steep sun-exposed slopes are the biggest concern.&nbsp;
Lingering storm slabs remains sensitive to human triggering.&nbsp; Wind loaded areas in the alpine and steep sun-exposed slopes are the biggest concern.
Lingering storm slabs remains sensitive to human triggering.&nbsp; Wind loaded areas in the alpine and steep sun-exposed slopes are the biggest concern.
Lingering storm problems remain sensitive to human and solar triggering.&nbsp; This includes storm slabs over a layer of surface hoar in deep snowfall areas, old wind slabs in the alpine, and sluffing from steep sun exposed slopes during the afternoon.
Lingering storm problems remain sensitive to human and solar triggering.  This includes storm slabs over a layer of surface hoar in deep snowfall areas, old wind slabs in the alpine, and sluffing from steep sun exposed slopes during the afternoon.
Lingering storm problems remain sensitive to human and solar triggering.  This includes storm slabs over a layer of surface hoar in deep snowfall areas, old wind slabs in the alpine, and sluffing from steep sun exposed slopes during the afternoon.
Lingering storm problems remain sensitive to human and solar triggering.  This includes storm slabs over a layer of surface hoar in deep snowfall areas, old wind slabs in the alpine, and sluffing from steep sun exposed slopes during the afternoon.
Sustained snowfall means that storm slabs are expected to be reactive through the forecast period, especially in unsupported or wind loaded features.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Given the recent snowfall and winds I suspect that you can find reactive soft slabs in steep unsupported terrain at most elevations and in wind loaded features in the alpine and at treeline. </span><span class="s_AA239
Fresh storm slabs are developing and overlie a crust and/or recently buried surface hoar. Triggering these fresh soft slabs is more likely in steep terrain that has been loaded by NW-SW winds.
Fresh storm slabs are developing and overlie a crust and/or recently buried surface hoar. Triggering these fresh soft slabs is more likely in steep terrain that has been loaded by NW-SW winds. 
New storm slabs may be susceptible to rider triggering, especially in terrain loaded by strong NW-SW winds and on steep convex rolls.
Expect new snow to be very reactive to human triggers once it settles into a cohesive slab.
Expect small avalanches to run far and fast where new snow sit on top of a crust.
Fresh storm slabs are developing and may be slow to bond to and underlying crust and/or recently buried surface hoar layer. Triggering is more likely in steep wind-loaded terrain (N-SE aspects).
Fresh storm slabs overlying a crust and/or recently buried surface hoar layer are developing. Triggering is more likely in steep lee and cross-loaded terrain (N-SE aspects).&nbsp;
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Fresh storm slabs overlying a crust and/or recently buried surface hoar layer are developing. Triggering is more likely in steep lee and cross-loaded terrain (N-SE aspects). </span><span class="s_AA239A9B">
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snowfall and strong wind will trigger a natural avalanche cycle. Human triggered avalanche will become increasing likely on steep unsupported slopes or in wind loaded features through the day. </span><span class="s_AA239
Heavy snow and wind will trigger a natural avalanche cycle. Human triggered avalanche will become increasing likely on steep unsupported slopes or in wind loaded features through the day.
Storm snow is sitting on weak surface hoar crystals or slippery crusts depending on aspect and elevation.
="s_3FE45715">Given the recent and forecast snowfall and winds I suspect that you can find reactive soft slabs in steep unsupported terrain at most elevations and in wind loaded features in the alpine and at treeline.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Storm snow is sitting on weak surface hoar crystals or slippery crusts depending on aspect and elevation.</span><span class="s_AA239
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snow and wind are resulting in a prolonged natural avalanche cycle. Human triggered avalanches are likely on steep unsupported slopes and in wind loaded features.</span><span class="s_AA239
font-style: Normal;font-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Heavy snow and wind are resulting in a prolonged natural avalanche cycle. Human triggered avalanches are likely on steep unsupported slopes and in wind loaded features. Watch out for overhead hazards like cornices.</span><span class="s_9387
font-style: Normal;font-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Human triggered avalanches are likely on steep or unsupported slopes. Natural avalanches are possible in wind loaded features.</span><span class="s_9387
="s_3FE45715">Avalanches are likely on steep, unsupported, or wind loaded features.  Watch for signs of instability like blowing snow, shooting cracks or natural avalanche activity.
Recently formed storm slabs overlie a touchy weak layer and are primed for human-triggering. Particularly touchy wind slabs have formed in leeward features from recent strong SW winds.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Recently formed storm slabs may overlie a weak layer and are expected to remain sensitive to human-triggering on Thursday. Recently wind loaded features are the biggest concern.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Fresh storm slabs are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features and in cross loaded gullies.
Recently formed storm slabs overlie a touchy weak layer and are primed for human-triggering. Particularly touchy wind slabs have formed in leeward features from recent strong SW winds.
Recently formed storm slabs may overlie a weak layer and are expected to remain sensitive to human-triggering on Thursday, especially in wind loaded areas and steep, unsupported slopes.
New snow and extreme winds will form new wind slabs on Friday morning, but a juicy storm forecast for Friday night will dramatically increase the avalanche danger. Conservative terrain selection will become increasingly important throughout the day.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">New snow and extreme winds will form new wind slabs on Friday morning, but a juicy storm forecast for Friday night will dramatically increase the avalanche danger. Conservative terrain selection will become increasingly important throughout the day.</span><span class="s_AA239
Deep and destructive storm slabs are forecast to develop on Friday night. Don't let sunny breaks lure you into aggressive terrain as you may get surprised with nasty consequences.
Storm slabs continue to build on Saturday and are primed for human triggering. Particularly touchy wind slabs are lurking below ridge crests, behind terrain features, and in cross loaded gullies.
="s_3FE45715">Reactive new storm slabs are forecast to develop on Friday night. Don't let sunny breaks lure you into aggressive terrain as you may get surprised with nasty consequences.
Forecast new snow and wind are expected to continue to develop storm slabs at all elevations. Storm slab avalanches in motion may trigger persistent weak layers.
Storm slabs are expected to continue to develop with forecast new snow and wind. Storm slabs may be sitting on a crust or crust/surface hoar combination down 40-60 cm that is easy to trigger and may result in wide fracture propagations.
Storm slabs continue to develop with forecast new snow and wind. Storm slabs may be sitting on a weak buried surface hoar layer that allows for remote triggering and wide fracture propagations.
Forecast new snow and wind may continue to develop storm slabs at all elevations. Pockets of wind transported snow may release naturally or be easy to trigger.
Storm slabs continue to develop with forecast new snow and wind. Storm slabs may be sitting on a weak buried surface hoar layer that allows for remote triggering and wide fracture propagations.
Storm slabs are expected to continue to develop with forecast new snow and wind. Storm slabs may be sitting on a crust or crust/surface hoar combination down 40-60 cm that is easy to trigger and may result in wide fracture propagations.
Storm slabs are expected to continue to develop with forecast new snow or rain, and wind. Storm slabs may be sitting on a crust or crust/surface hoar combination down 30-50 cm that is easy to trigger and may result in wide fracture propagations.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Continued stormy weather on Sunday will promote ongoing storm slab activity. Forecast extreme winds will encourage hard slab formation and wide propagations.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Continued stormy weather on Sunday will promote ongoing storm slab activity. Forecast extreme winds will encourage hard slab formation and wide propagations.</span><span class="s_AA239
Fresh storm slabs could form on Tuesday, particularly in wind loaded terrain near ridge crests (predominantly NW-E aspects). Older storm snow weaknesses in the top 100 cm may also be susceptible to triggering.
Touchy storm slabs may exist, particulary in wind-loaded (NW-E aspects) terrain at treeline and in the alpine. Triggering remains likely in steep unsupported features.&nbsp;
Expect lingering storm snow instabilities and touchy pockets of wind slab in steep lee terrain. This problem will increase with the storm arriving late on Wednesday.&nbsp;
It's going to be a stormy and ugly day on Thursday! Your best bet is to avoid all avalanche terrain during the storm, then give the new snow a couple days to settle and strengthen before pushing out.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">It's going to be a stormy and ugly day on Thursday! Your best bet is to avoid all avalanche terrain during the storm, then give the new snow a couple days to settle and strengthen before pushing out.</span><span class="s_AA239A9B">
Storm and wind-slab avalanches are expected to run in response to new snow and wind, particularly on north through east aspects.
Avalanches are expected to run in response to loading from new snow and wind, especially on north through east aspects.
Avalanches are expected to run in response to new snow and wind on steep slopes, particularly on north through east aspects.
Storm and wind slabs conditions are expected to develop in response to new snow and wind, particularly on north through east aspects.
Triggering deep fresh storm slabs remains a concern on Friday. Winds are also forecast to remain fairly strong resulting in further wind loading on northerly aspects, and the potential for natural releases.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Triggering deep fresh storm slabs remains a concern on Friday. Winds are also forecast to remain fairly strong resulting in further wind loading on northerly aspects, and the potential for natural releases.</span><span class="s_AA239A9B">
="s_3FE45715">Recently formed storm slabs are expected to remain sensitive to light triggers on Friday. Strong winds have encouraged hard slab formation and wide propagations are possible. If the sun comes out on Friday, large loose wet avalanches will be likely.
="s_3FE45715">Recently formed storm slabs are expected to remain sensitive to light triggers on Friday. Strong winds have encouraged hard slab formation and wide propagations are possible. If the sun comes out on Friday, large loose wet avalanches will be likely.
="s_3FE45715">Recently formed storm slabs are expected to remain sensitive to light triggers on Friday. Strong winds have encouraged hard slab formation and wide propagations are possible. If the sun comes out on Friday, large loose wet avalanches will be likely.
Recently formed storm slabs are expected to remain sensitive to light triggers on Friday. Strong winds have encouraged hard slab formation and wide propagations are possible. If the sun comes out on Friday, large loose wet avalanches will be likely.
Particularly deep and touchy on wind-loaded slopes at higher elevations. Expect increased sensitivity to triggering with sun-exposure.
Particularly deep and touchy on wind-loaded slopes at higher elevations. Expect increased sensitivity to triggering with sun-exposure.
Particularly deep and touchy on wind-loaded slopes at higher elevations. Expect increased sensitivity to triggering with sun-exposure.
Widespread storm slabs are expected to be very reactive to human-triggering, especially in wind loaded terrain.
Widespread storm slabs are expected to be reactive to human-triggering, especially in wind loaded terrain.
Recent storm snow is bonding poorly to a buried crust and particularly deep and touchy on wind-loaded slopes.
Recent storm snow is bonding poorly to a buried crust and particularly deep and touchy on wind-loaded slopes.
Recent storm snow is bonding poorly to a buried crust and particularly deep and touchy on wind-loaded slopes.
Widespread storm slabs are expected to be reactive to human-triggering, especially in wind loaded terrain.
Storm slabs are bonding poorly to a buried crust and are expected to be particularly deep and touchy on wind-loaded slopes.
Recent storm snow is bonding poorly to a buried crust and may be particularly deep and touchy on wind-loaded slopes.
Widespread storm slabs are expected to be reactive to human-triggering, especially in wind loaded terrain.
Recent storm snow is bonding poorly to a buried crust and may be particularly deep and touchy on wind-loaded slopes.
Fresh slabs formed by recent snow and wind rest on one or potentially two slippery rain crusts which should allow these slabs to remain sensitive to human triggering for the next few days.
Recent storm snow may be bonding poorly to a buried crust.  Storm slabs are expected to be most problematic on wind loaded slopes at upper elevations.
="s_3FE45715">Recent storm snow may be bonding poorly to a buried crust.  Storm slabs are expected to be most problematic on wind loaded slopes at upper elevations.
More snow and wind means that widespread storm slabs are expected to remain reactive to human-triggering, especially in wind loaded terrain.
Widespread storm slabs are expected to remain reactive to human-triggering, especially in wind loaded terrain.
New snow has added to the recent storm slabs. Storm slabs may be easy to trigger where they are sitting on a crust. Storm slabs in motion may step down and release deeper persistent weak layers resulting in very large avalanches.
Storm slabs continue to be a concern for human triggering. Strong solar radiation over the next few days may increase the likelihood of triggering. Storm slab avalanches may step down to deeply buried weak layers.
Recent storm slabs and cornice growth continue to be a concern for human triggering. Forecast strong solar radiation may increase the likelihood of triggering large avalanches.
Storm snow is sitting on weak surface hoar crystals or slippery crusts depending on aspect and elevation.
Tuesday night's snow may be enough to create reactive storm slabs.
Avoid freshly wind loaded features.Avoid exposure to terrain traps where the consequences of a small avalanche could be serious.Use small slopes with low consequence to test reactivity of new snow.
Recent storm slabs and cornice growth continue to be a concern for human triggering. Forecast strong solar radiation may increase the likelihood of triggering large avalanches.
Recent storm slabs and cornice growth continue to be a concern for human triggering. Forecast strong solar radiation may increase the reactivity of the slab and the likelihood of triggering large destructive avalanches.
Recent storm slabs and cornice growth continue to be a concern for human triggering. Strong solar radiation and warming air temperatures may increase the reactivity of the slab and the likelihood of triggering large destructive avalanches.
The storm slab should be bonding now, but may still be triggered in select locations.
="s_3FE45715">New storm snow may not be well bonded to the old surface. If the sun comes out, loose wet snow in motion may trigger storm slabs where they are sitting on a crust.
="s_3FE45715">New storm snow may not be well bonded to the old surface. If the sun comes out, loose wet snow in motion may trigger storm slabs where they are sitting on a crust.
The storm slab has settled well and is not expected to be a problem soon.&nbsp; It might still be triggered in high north facing terrain.
New storm snow may not be well bonded to the old surface. If the sun comes out, loose wet snow in motion may trigger storm slabs where they are sitting on a crust.
Forecast new snow and wind are expected to develop new storm slabs. New snow may not bond well to hard crusts on solar aspects. Some loose wet releases may continue due to daytime warming.
Forecast new snow and wind are expected to create a developing hazard. Snowfall amounts are uncertain.
Forecast new snow and wind are expected to develop new storm slabs at all elevations. New snow may release as loose wet avalanches due to daytime heating.
Moderate to locally heavy snowfall and strong southwest winds are expected to form reactive new storm slabs on Wednesday night and Thursday morning. Watch for increased reactivity in high elevation leeward terrain.
="s_3FE45715">Moderate to locally heavy snowfall and strong southwest winds are expected to form reactive new storm slabs on Wednesday night and Thursday morning. Watch for increased reactivity in high elevation leeward terrain.
="s_3FE45715">Forecast new snow and wind are expected to develop new storm slabs at all elevations. Moist snow below treeline may release as loose wet avalanches during daytime heating.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Forecast new snow and wind are expected to develop new storm slabs at all elevations. Moist snow below treeline may release as loose wet avalanches during daytime heating. </span><span class="s_AA239
Forecast new snow and wind are expected to develop new storm slabs at all elevations. Moist snow below treeline may release as loose wet avalanches during daytime heating.
Snow and wind on Sunday night will form new storm slabs which should be touchiest in higher elevation, wind-exposed terrain. If the sun makes an appearance, loose wet avalanches will also become a concern in sun-exposed terrain.
New snow and variable winds on Sunday night and Monday are expected to form new storm slabs. There's good chance we'll see heavy precipitation in some areas so I'd be heading out with a conservative mind set.
="s_3FE45715">New snow and variable winds on Sunday night and Monday are expected to form potent new storm slabs. There's good chance we'll see heavy precipitation in some areas so I'd be heading out with a conservative mind set.
Forecast strong northerly winds could create new wind slabs on solar aspects, which could become very touchy if the sun makes an afternoon appearance.
tyle: Normal;font-weight: normal;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">Forecast strong northerly winds could create new wind slabs on solar aspects, which could become very touchy if the sun makes an afternoon appearance.</span><span class="s_AA239A9B">
Strong sunshine and warming could make recent storm slabs sensitive to triggering, particularly on southerly aspects where new snow overlies a solid crust and recent wind-loading may have occurred.
Snow and wind on Sunday night have formed new storm slabs which should be touchiest in higher elevation, wind-exposed terrain. Storm slabs may remain reactive due to underlying surface hoar.
tyle: Normal;font-weight: bold;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_3FE45715">On Monday heavy snowfall</span><span class="s_6A269DDD"> </span><span class="s_3FE45715">was noted in areas east of the divide. Potentially extreme northeast winds will have redistributed the new snow creating hard slabs on solar aspects. Solar radiation may add to the reactivity of the new snow.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Moderate snowfall occurred on Monday although heavier accumulations may exist in the east of the region. Northerly winds may redistribute the new snow creating hard slabs on solar aspects. </span><span class="s_3FE45715">Solar radiation may add to the reactivity of these slabs.
ont-weight: normal;font-size: 13.3333333333333px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Moderate to locally heavy snowfall and strong winds will form dense new storm slabs which will be most reactive in higher elevation, wind-exposed terrain. </span><span class="s_3FE45715">If the sun comes out, loose wet avalanches will become a concern on sun-exposed slopes</span><span class="s_AA239
New storm slabs will be sitting on a variety of surfaces, from colder powder snow or sun crust at higher elevations depending on aspect, to rain crust 1800m and below. 
Dense, very touchy storm slabs developed overnight with the new snow and warm temperatures. More snow is forecasted for the next 24 hours.
40-60cm storm slabs are poorly bonded to older surfaces. Touchy conditions at all elevations.
40-60cm storm slabs are poorly bonded to older surfaces. Touchy conditions at all elevations.
An issue on the West side of the Divide where 40-70 cm has fallen in the past few days.&nbsp; Both slab and loose avalanches have been observed today and are expected to continue with forecasted wind.
This is mainly a problem at treeline and below, West of the divide where 40-70cm of snow has fallen over the last six days. There has been less wind in these areas, and high humidity has promoted slab development over the facets.
This is mainly a problem in the main ranges where the 40-50 cm of storm snow is not yet bonded to the old snow. Shooting cracks and whumphing was observed at treeline west of the Divide as skiers attempted to access more open terrain.
20-40 cm of storm snow has fallen across the forecast region, creating unstable snow in the surface layers from both new snow and wind. Expect deep windslabs in leeward areas due to extensive wind loading.
45 cm storm snow and extreme winds have created deep storm slabs that can easily be triggered by humans. Extreme winds on Monday night will only add to this problem.. Avoid all avalanche terrain until this cycle subsides.
The storm slab is 40-50cm thick in many places and if triggered, it is likely to step down into the basal facets resulting in very large avalanches. Avoid all avalanche terrain until this cycle subsides.
The new snow now has enough cohesion in some locations to act as a soft slab on steeper features not affected by the wind.
The storm slab will settle over the next few days, but is currently very touchy. Most avalanches are initiating on this layer and quickly stepping down to the deeper weak layers.
Storm slab is still touchy and has potential to step down to deeper persistent layers.
Although the new storm slabs are unlikely to produce very large avalanches they are still quite touchy.
Storm slabs will be rampantly forming and failing, especially at higher elevations. The bond to the Jan 30 interface and within the storm snow itself will be critical to monitor.
Storm slabs are the primary issue in the upper snowpack and failures will be occurring both within the colder low density and on the January 30th crust interface. This problem will be most prominent in the alpine and treeline bands on all aspects.
15 - 45 cm's of new snow is slowly settling into a cohesive slab. This slab will be most reactive in deeper snowpack areas where there is more than 30 cm's of new snow and below 2000m where it overlies the Dec. 3rd surface hoar or facets.
20- 50 cm's of new snow is slowly settling into a cohesive slab. It will be most reactive in deeper snowpack areas where there is more than 30 cm's of new snow and below 2000m where it overlies the Dec. 3rd surface hoar or facets.
30- 70 cm's of new snow is settling into a cohesive slab. It will be most reactive where there is more than 30 cm of new snow and below 2000m where it overlies the Dec. 3rd surface hoar or facets, found in sheltered terrain or northerly aspects,.
40-70cm of storm snow has fallen over the week, now settled into a slab overlying a dangerous layer of surface hoar below treeline. Treat all slopes below treeline with suspicion until you can rule out this weak layer.
A 30-45cm slab is forming over a dangerous layer of surface hoar below 1900m. Treat all steep open slopes below treeline with suspicion until you can rule out this weak layer.
This problem exists in deeper snowpack areas - such as Kootenay Park where slabs have been formed by settled snow overlying the Jan 6 surface hoar layer. Watch out - these are touchy and propagate easily.
If the forecasted new snow amounts of 15-20 cm with strong SW winds show up, we will likely see storm slabs failing over the next 24 hrs with potential to step down to deeper layers. Stick to non-avalanche terrain until things have a chance to settle
There are storm slabs up to 1m thick on many aspects and elevations from the big storm on Thursday. These will be highly sensitive to triggering and once initiated, can step down to the deeper persistent layers causing very large avalanches.
There are storm slabs up to 1m thick on many aspects and elevations from the big storm on Thursday. These will be highly sensitive to triggering and once initiated, can step down to the deeper persistent layers causing very large avalanches.
Hot weather means cornice season, and this is the time when large mature cornices begin to fall off and the mountain sheds its snowpack. On ridges stay well away from cornices (they can reach back and get you), and avoid traveling under them.
This problem includes new widespread storm slabs which will form if the expected snow and wind occurs, and some older wind slabs which will now be buried in specific features at upper elevations.
Up to 30 cm of storm snow is possible in the next 24 hrs.  We will likely see an avalanche cycle involving the storm snow on steep slopes.
With the potential of this new snow load and winds Friday evening, expect increase in activity until has had few days to stabilize. 
The heavy snow combined with strong Southwest winds will build slabs on lee aspects.&nbsp;  These will be easy to trigger and will have enough load to perhaps step down into&nbsp; deeper weak layers in the snowpack.
The heavy snow combined with strong Southwest winds will build slabs on lee aspects.  More snow overnight will make these easy to trigger with  enough load to perhaps step down into deeper weak layers in the snowpack.
On Saturday, the heavy snow combined with strong Southwest winds built slabs on lee aspects. The overnight snow came in with almost no winds and warm temperatures which should bond well to the earlier storm snow.
The storm snow instability will persist until it has had time to settle. Winds and/or warm afternoons will build slabs on lee aspects.
The storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions do exist on gully sidewalls and some large alpine slopes as Monday's explosive control work demonstrated. Watch for wind building slabs with this snow.
The storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions do exist on gully sidewalls and some large alpine slopes as Monday's explosive control work demonstrated. Watch for wind building slabs with this snow.
The storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions do exist on gully sidewalls and some large alpine slopes as Monday's explosive control work demonstrated. Watch for wind building slabs with this snow.
Soft slabs are beginning to build along alpine ridgelines with moderate SW winds.  Otherwise, the storm slabs remain soft in nature as winds have yet to firm them up. Soft slab conditions also exist on gully sidewalls and some large alpine slopes.
Forecasted new snow will continue to overload an already stressed snowpack.
70cm of storm snow has fallen in the past 72hrs and has been redistributed by moderate to strong SW winds onto sheltered slopes in the alpine and treeline.
15cm of new snow with variable wind directions and speeds have translated to wind loaded pockets of storm slab potentially 45cm thick overlying weak surface facets. More snow Thurs-Fri will add to this condition. Loose avalanches are also possible.
New snow is expected to come in steadily with south winds and may slowly overload this interface. Watch for a reverse loading pattern from the south to north aspects because of the shift in wind direction.
Storm snow showing dangerous slab properties, use extra caution when entering steep open areas.
Very little natural activity has been observed in the storm snow in the lower elevation bands. Loose wet slides will become the concern as the storm passes and the sun bakes the solar aspect.
Recent storm snow has started to settle into a slab which overlies a weak layer of facets and old surface hoar. Field teams were able to ski cut several small soft slabs to size 1 at treeline and below treeline elevations today.
Recent storm snow has settled into a slab which overlies a weak layer of facets and surface hoar. A forecast of warm temps and clear skies on Friday may well lead to an increased likelihood of avalanches on solar aspects.
Recent storm snow has settled into a soft slab which overlies a weak layer of facets and surface hoar. Temperature fluctuations and direct solar radiation may well lead to an increased likelihood of avalanches.
Recent storm snow has settled into a soft slab which overlies a weak layer of facets and surface hoar. Temperature fluctuations and direct solar radiation may lead to an increased likelihood of avalanches.
Strong W winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier could be sufficient to initiate an avalanche
Strong SW winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier could be sufficient to initiate an avalanche
Strong SW winds continue to scour open slopes and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier are at a critical mass and will likely initiate an avalanche
Strong SW winds continue to scour open slopes in the alpine and redistribute that snow into wind slabs on lee aspects and cross loaded features. This extra load combined with a skier will likely initiate an avalanche.
The Jan 30th interface has proven reactive with light inputs of new snow. This new storm will only continue to overload that layer. Also, treat recently re-loaded bed surfaces with caution as this layer will not go away easily.
The Jan 30th interface has proven reactive with light inputs of new snow. This new storm will only continue to overload that layer. Also, treat recently re-loaded bed surfaces with caution as this layer will not go away easily.
Thick storm slabs can be found on all aspects at treeline and above.
Thick storm slabs can be found on all aspects at treeline and above.
Thick storm slabs can be found on all aspects at treeline and above.
Natural activity has settled down but approach any slopes with caution before jumping in.
Up to 20 cm of snow expected through the night and Friday with mod SW winds will build storm slabs on top of a well developed surface hoar layer. Sheltered northerly aspects are likely areas where this surface hoar is most prevalent.
Up to 20 cm of snow expected through the weekend with mod SW winds will build storm slabs on top of a well developed surface hoar layer. Sheltered northerly aspects are likely areas where this surface hoar is most prevalent.
25 cm of snow so far with a total of 40 cm expected by Tuesday night.  Mod to strong SW winds building slabs on top of a well developed surface hoar layer. Sheltered northerly aspects are likely areas where this surface hoar is most prevalent.
30 cm since Dec 5th and another 10-25 cm tonight accompanied by SW winds leading to storm slab formation. The Dec3  surface hoar layer will be down 60cm if this snow arrives. It warrants careful investigation.
Forecasted snow amounts expected to be 10 to 30cms over the next 24 hours. Regardless of volume, this snow will fall on to a variety of surface forms (rocks, small surface hoar; facets, or hard windslabs).
Storm slabs may be present especially at tree-line. If triggered, it is likely it will initiate the rest of the weak faceted snowpack.
30-40cm of storm snow with warming temps has promoted fast settlement, forming a touchy storm slab.
30-40cm of storm snow has formed a touchy storm slab.
30-40cm of storm snow has formed a touchy storm slab.
30-40cm of storm snow has formed a touchy storm slab.
Reactive storms slabs are building and may be up to 50cm thick by Saturday morning. If triggered these are likely to trigger deeper instabilities producing larger avalanches.
40cm of storm snow is forming a soft slab at treeline and above. It will remain reactive to triggering for the next few days. Where stronger winds in the alpine have transported the snow it may be up to 60cm thick.
40cm of storm snow is forming a soft slab at treeline and above. It will remain reactive to triggering for the next few days. Where stronger winds in the alpine have transported the snow it may be up to 60cm thick.
40cm of storm snow is forming a soft slab at treeline and above. It will remain reactive to triggering for the next few days. Where stronger winds in the alpine have transported the snow it may be up to 60cm thick.
Building slabs over the Black Friday (Nov. 23rd) crust will continue to grow overnight and become more sensitive to light triggering by Monday morning. Extremely cautious travel is advised until the hazard subsides.&nbsp;
Incoming new snow and wind will build fresh storm slabs. If triggered these may step down and trigger the persistent weaknesses in the upper snowpack.
Incoming new snow and wind will build fresh storm slabs.
Natural Avalanches to size 3 were noted today along with numerous size 2 avalanches failing down 50-100cm on persistent weak layers.
This is the primary concern at all elevations. The new snow has settled into a touchy soft slab in many locations. This presents as a windslab in exposed areas, such as cross loaded and lee features at upper elevations.
This is the primary concern at all elevations. The new snow has settled into a touchy soft slab in many locations. This presents as a windslab in exposed areas, such as cross loaded and lee features at upper elevations.
Up to 45cm of HST fell through the forecast area, over-loading the already weak persistent slab and running far and fast.
Up to 45cm of HST fell through the forecast area, over-loading the already weak persistent slab and running far and fast.
There has been 72cm of new snow over the last 5 days at treeline. Last nights storm sits over 30 cm very light snow. Conditions are likely to be &quot;heavy over light&quot; increasing the likelihood of skier triggering.
There has been 75cm of new snow over the last 6 days at treeline.  Conditions are likely to be &quot;heavy over light&quot; increasing the likelihood of skier triggering.
23cm of new snow sits over an old snow interface that is not likely to bond quickly. This new snow will add to the sluffing that has been observed over the past week when triggered.
33 cm of new snow sits over variable weak layers such as surface hoar, sun crust or facets, depending on your aspect and elevation. These are ideal  layers for an avalanche to release on.
  Weak layers such as surface hoar, sun crust or facets, depending on your aspect and elevation, are now buried 40 to 60cm deep. These are in the range of skier triggering and wider propagation as the slab settles.
Up to 65cm of storm snow lies on a weak interface of surface hoar and sun crust.  These layers are very reactive to skier triggering.  A widespread avalanche cycle occurred overnight, and avalanche control is planned for today.
Up to 70 cm of storm snow lies on a weak interface of surface hoar and sun crust, burried on January 4.  Avalanche control yesterday produced many avalanches on this layer.  Storm snow will continue to be reactive to skier triggering
30cm of new snow has created storm slabs. These can be triggered by riders especially in steep terrain. Watch for wind effected snow on north/northeast slopes in open areas at treeline and in the alpine. Snow will be sluffing in steep treed terrain.
45cm of new snow has created storm slabs. These can be triggered by riders especially in steep terrain. Watch for wind effected snow on north/northeast slopes in open areas at treeline and in the alpine. Snow will be sluffing in steep treed terrain.
45cm of new snow has created storm slabs. These can be triggered by riders especially in steep, unsupported terrain. Watch for wind effected snow on north/northeast aspects at treeline and in the alpine. Be cautious of sluffing in steep terrain.
Recent storm snow is settling into a more cohesive slab. Watch for wind effect on north/northeast aspects. Surface hoar below 1800m was observed in some drainages now buried down 40cm, this may become more reactive with settlement.
Storm snow continues to settle into a more cohesive slab. 50cm sits on a sun crust on steep south and west aspects and over surface hoar below 1800m. Wind effect on north and east aspects may exist.
Storm snow continues to settle into a more cohesive slab. 50cm sits on a sun crust on steep south and west aspects and over surface hoar below 1800m. Wind effect may exist near ridge tops.
Rising winds overnight and lots of deep soft snow available for wind transport will create storm/wind slabs at treeline and in the alpine. Be aware of soft slab formation in the lee of features at ridgelines. These soft slabs are running end fan. 
Strong winds in the last 24hrs and lots of deep soft snow available for wind transport have created storm/wind slabs at treeline and in the alpine. Be aware of soft slab formation in the lee of features at ridgelines.
Skier triggerable slabs exist throughout the park. Recent strong southerly winds have loaded northerly aspects. Avoid lee and cross-loaded terrain near ridges where the wind has deposited firm snow.  Watch for shooting cracks as a sign of soft slabs.
Skier triggerable slabs exist throughout the park. Recent strong southerly winds have loaded northerly aspects. Avoid lee and cross-loaded terrain near ridges where the wind has deposited firm snow. Watch for shooting cracks as a sign of soft slabs.
Solar aspects are going get hit hard by the sun today. Natural avalanches are expected, particularly on steep slopes and around exposed rocks. It will also make skier triggering of the storm slab more likely. They may step down to a crust below.
Last weeks snow has settled into a slab. The layers of concern below vary by aspect, but are most likely to be triggered on steep southerly aspects where buried crusts exist. The slab is stubborn to trigger but large avalanches are possible.
Storm snow is easily triggered by skiers. It is still a soft slab in most places, but has the potential to propagate widely on a touchy layer of surface hoar.&nbsp; Below treeline, open glades may be very reactive.
Storm snow is easily triggered by skiers. It is still a soft slab in most places, but has the potential to propagate widely on a touchy layer of surface hoar.  Below treeline, open glades may be very reactive.
New snow has created touchy conditions.  Skiers could trigger avalanches today.  Use caution in steep terrain.  Watch for slab formation where wind has deposited firmer snow.  Cracking around skis is a clue slabby conditions are present.
Rapid loading by snow and wind is overloading the snowpack. Expect widespread natural avalanche activity, with large avalanches running into valley bottoms. Avalanches may step down to deeper persistent weak layers.
60cm of heavy storm snow is settling with mild temps. Rapid loading yesterday triggered widespread large avalanches. The snowpack needs time to adjust to the new load and will still be touchy to human triggering.
60cm of heavy storm snow is settling into a cohesive slab. Loading by wind and snowfall continues to trigger large avalanches. The snowpack needs time to adjust to the new load and will still be touchy to human triggering.
Over 80cm of snow has fallen since Friday. Weak interfaces within the storm slab exist. The snowpack needs time to adjust to the new load. It will still be touchy to human triggering, and may step down to surface hoar below.
Over 80cm of snow has fallen since Friday. Weak interfaces within the storm slab exist. The snowpack needs time to adjust to the new load. It will still be touchy to human triggering, and may step down to surface hoar below.
A storm overnight has brought 25-30 cm of new snow with strong winds and rising temperatures. This has formed avalanche conditions.
A storm that started on Wednesday has brought 30-45cm of high density new snow with strong winds and rising temperatures. This has formed avalanche conditions.
A storm that started on Wednesday has brought  40-60cm of high density new snow with strong winds and rising temperatures. This has formed avalanche conditions.
Last weeks warm and wet storm rapidly deposited 50-60cm of heavy, moist snow at treeline. This was deposited on low density snow sitting on a crust and or surface hoar and is bonding poorly. At lower elevations, rain saturated the upper snow.
A buried rain crust is providing an ideal bed surface for new snow avalanches below 2000m. There's around 30cm overtop and was really reactive yesterday to rider triggering with wide propagation, running far and fast.
Convective snow flurries with strong winds yesterday added load to the storm slab problem above treeline. Below 2000 meters, a buried rain crust is providing an ideal bed surface for new snow avalanches at lower elevations.
Another 8-10cm of snow overnight has added load to last weeks storm interface.  More snow, moderate winds and warm temps today will add to this problem, especially on solar aspects where buried suncrusts are providing good failure planes.
Multiple convective storms and frontal systems continue to add incremental load.  The reactivity of the storm slabs is variable.  We know that solar aspects are most reactive due to buried crusts, and north aspects received most load.
New snow is reactive to rider triggering.  Use caution in steep terrain and unsupported features.  Avalanches with large consequences may run on solar aspects. A sun crust is present down 30 cm.  Northerly aspects with wind loaded snow may be touchy.
40 cm of heavy moist storm snow overnight with steady south winds has created slabs at and above treeline.  This layer will be touchy today, especially as temperatures warm up.
New, storm snow can be skier triggered.  Up to 70 cm of storm snow has created a slab on top of a crust.  Below treeline this snow is moist.  Treeline and above, south winds have loaded lee features.
More snow is expected today increasing the avalanche hazard. A new surface hoar layer is down around 20cm under this new snow. It has widespread distribution and will be easily triggered by riders under this new load.
Winds are expected to increase today, expect soft slabs at higher elevations that will be easily triggered by riders as sits is over a surface hoar layer. Lower down sluffs can gain mass and have larger consequences than expected.
Our latest surface hoar/crust layer is down under 30 to 40cm of storm snow. Consequences of triggering will increase as the slab strengthens over time.
Slabs are forming in over 40cm of storm snow.  Use caution in terrain over 30 degrees. Rider triggering is possible.  Fast sluffing is likely and will pick up large amounts of snow.  Avoid exposure to terrain traps.
Soft slabs are forming in over 50 cm of storm snow.  Use caution in terrain over 30 degrees. Small avalanches could trigger deeper instabilities.  Fast sluffing is likely and will pick up large amounts of snow.  Avoid exposure to terrain traps.
Over 50cm of storm snow has created soft slabs.  Use caution in terrain over 30 degrees.  Small avalanches could trigger deeper instabilities.
As the storm continues to dump snow, with strong winds and warm temps, the storm slab is becoming deeper and more cohesive. There are reactive layers within and at the base of the slab that are likely to be triggered by skiers.
55-60cm of storm snow in the past week with mild temperatures have created ideal slab conditions.
This weeks storm deposited 80cm of snow under ideal slab forming conditions. This slab sits on a weaker surface that may be reactive to skiers and riders, and the slab is deep enough to produce large avalanches.
Snow load has been steadily increasing over the last few days. With rising temperatures, wind and more snow on the way, riders should expect to see snow slabbing up and becoming more reactive as the day progresses.
Storm snow amounts keep accumulating with another 12cm overnight. It will need some time for storm layers to bond.
40cm of recent storm snow is settling. Within this slab are layers of large, weak snowflakes that may be triggered by skiers/riders.
40cm of recent storm snow is settling. Within this slab are layers of large, weak snowflakes that may be triggered by skiers/riders or by rapid loading during the storm. If triggered, this slab may step down to deeper instabilities.
Alpine temps rose overnight to 0'C at 1900m, before dropping below freezing again. Recent storm snow will have become more cohesive. There are a few weak layers within this slab. Tests indicate that they may be triggered by light loads, like you.
60cm of storm snow is likely to be triggered by riders. Use caution in steep, unsupported terrain.
The recent storm snow has instabilities within it that will need a few days to heal.
Mild temperatures today will make slab formation more likely.
Another 25cm of new snow overnight. Snow loading has been steady for the past 5 days with instabilities in the upper snowpack.
Another 10cm in the last 24 hours continues to incrementally load the snowpack. Moderate winds have created soft slabs in exposed areas.
Storm slabs will become an issue at the peak of the incoming system. Strong winds and warm temp's accompanying the new snow will develop slabs quickly in exposed lee features at all elevations.
Storm slabs have formed at all elevations, likely up to a metre thick in alpine and tree-line lee areas. It will take a bit of time for these to settle into the snowpack.
40 to 60 cm of storm snow has formed slabs. These deposits will be deeper in areas with wind loading. Natural avalanches are still possible, assess terrain continually while you travel.
40 to 60 cm of storm snow has formed slabs. These deposits will be deeper in areas with wind loading. Natural avalanches are still possible, assess terrain continually while you travel.
A new storm slab is developing. The new snow is still loose and unconsolidated, but with mild temps and continued loading by new snow it will become more of a concern. Heads up if the snow starts to feel slabby. Watch for sluffing on steep slopes. 
60 to 70cm of storm snow has fallen over the past 3 days with strong southerly winds. Heavy density snowfall is rapidly loading a previous layer of low density snow causing storm slab formation.
Over 75 cm of heavy storm snow has fallen with moderate/strong southerly winds. This new snow is causing natural avalanches and is very touchy to human-triggering.
New overnight snow is exceptionally heavy with the mild temperatures we have. This snow is sitting over much lighter snow from earlier this week and the result is ideal slab conditions and weak layers for it to slide on.
Yesterdays blizzard deposited 35cm of heavy snow that is sitting over snow that is much lighter, including a buried surface hoar layer. This combination makes it more reactive to rider triggering until it has a chance to settle out.
Over a meter of new snow, combined with high winds and rising temps, have created a storm slab. It is sitting over snow that is much lighter, including a buried surface hoar layer. This slab will need some time to settle and bond.
Over a meter of new snow is about to get hit by lots of solar and above freezing temps right up to mountain top. Natural avalanches are expected from steep, solar aspects. In addition, the storm slab will likely be more reactive on sun exposed slopes
Natural avalanches are expected from solar aspects if the high, thin cloud breaks up. Over a metre of new snow may have trouble adjusting to intense sunshine and high freezing levels over the next 48hrs.
35cm of new snow has fallen onto a surface that will not bond easily. Triggering avalanches will not be difficult due to the nature of the recently buried weak layers.
50-60cm of storm snow overlies an old surface that will not bond well. Temperatures have increased and winds have picked up, creating stiffer slabs that are ripe to fail.
The storm slab overlies a weak surface and is not bonding well. Many avalanches have already slid on this interface, but if a slope has not released, it should be considered a ticking time-bomb.
The storm slab is just getting thicker and heavier on the underlying weak interface. Any large, open slope that has not slid should be treated with caution, as it awaits just that extra amount of load from a person.
A 100 cm storm slab sits on a weak layer.&nbsp; Skiers and riders will likely trigger this layer in avalanche terrain.&nbsp; Remote triggering is a concern, watch out for adjacent slopes.
20cm of additional load overnight totalling 1.2m over a weak layer which has been very reactive this past week. Riders have reported cracking, whoomphing and avalanches on this layer. This is in addition to any shallower storm snow instabilities.
As the slab over the weak layers down 100-140cm becomes more cohesive, it changes in how it reacts to a riders weight. The highly reactive stage may have passed but it is at a depth where triggering will be less frequent but much more dangerous.
As the slab over the weak layers down 100-140cm becomes more cohesive, it changes in how it reacts to a riders weight. The highly reactive stage may have passed, but it is at a depth where triggering is less frequent but much more dangerous.
The storm slab, which is 100-140cm thick and overlies a weak interface, is becoming more cohesive. However, the bond to the underlying interface is not showing much improvement. Skier triggering of this layer will have high consequence.
A touchy slab lurks on the slopes, and were easily triggered by field teams and artillery control at all elevations. As it becomes more cohesive from snow-load and warming temp's, we expect this slab to propagate easily.
Warming temps through the storm created a punchy storm slab that is sitting on a variety of weak surfaces. Avalanche control proved that this slab is reactive and produced large avalanches. The slab may be more reactive in wind-exposed terrain. 
60 to 80 cm of warm/moist snow has formed a rider triggerable slab. Natural avalanches are expected this afternoon with rising temperatures and more snow load. Remote triggering is also a concern, watch out for adjacent slopes.
80 to 100 cm of warm/moist snow has formed a rider triggerable slab. We are currently seeing natural avalanches in the storm snow, some running to end of runnouts. Minimize your exposure today by skiing in mature forest.
Lots of new snow, with wind, through the weekend will form a new storm slab. This slab will likely be most reactive where it overlies suncrust, but will also bury small surface hoar. If triggered, this slab may also step down deeper.
We've had a significant amount of snow overnight. Combined with the mild temperatures, the southerly winds which have started to pick up and the crust which it sits on, the new storm slab will be highly reactive to human triggering.
65cm has fallen over the last 4 days with strong winds yesterday. On solar aspects this has buried a thick sun crust. Venturing out into larger terrain is not a good idea at this point as this new load will need some stabilization time.
New snow overnight will have formed soft slabs in alpine and tree-line lee features. In wind-sheltered areas, it will likely be good quality skiing.
Yesterdays new snow bonded poorly to the snow below and became very reactive as the temps warmed up. Loose, moist avalanches were easily triggered by skiers. These avalanches were at the smallest &quot;knee-twisters&quot; but some grew to size 2.5.
20cm of new snow from earlier this week has bonded poorly to the snow below. It is especially reactive on solar aspects, where it is rapidly destabilized by even a little bit of sun. On lee aspects, soft slabs may exist from windloading by SW winds.
We`ve had some incremental loading, 30cm in 3 days. The sun is expected to poke through the clouds today so expect conditions to become more dangerous as the day progresses, specially on the solar aspects if that happens.
The recent storm snow has not fully bonded to the underlying crust and surface hoar layer. Combined with the warm temp's, it has become a touchy surface slab that is reacting in higher elevation lee areas.
New snow in the past weak is possible to skier-trigger.  Watch for hard, wind-deposited snow on lee features in the alpine.  Storm slabs failing on crusts is possible at lower elevations.
Rapid warming with mixed rain and snow is leading to an increasing avalanche hazard.&nbsp; Recent storm snow may be sitting on good sliding surfaces such as surface hoar and crust.
This SH layer now sits below 20-30cm of new snow. A storm slab is developing at higher elevations and wind-exposed areas. These slabs will bond poorly to the SH interface. Avalanches on this layer may run farther than expected, easily entrain snow.
A 50cm slab sits over a very obvious surface hoar layer that reacted to human triggering yesterday. Sensitivity varies depending on drainage and elevation but the layer was observed to be almost everywhere and is a very real threat to riders.
A 50cm slab sits over the December 17th surface hoar layer that reacted to human triggering yesterday. Sensitivity varies depending on drainage and elevation but the layer was observed to be almost everywhere.&nbsp; This layer is a real threat to riders.
A very touchy surface hoar layer is buried by a 50 to 70cm thick storm slab. This layer is widespread, and is likely to be triggered anywhere is has not yet failed. It is easily triggered by light loads (ie you), from distances of up to 100m away.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread touchy surface hoar layer down 50 to 70cm is likely to be triggered anywhere it has not yet failed. As the slab overtop stiffens it becomes less likely to trigger but  propagation and consequences will increase. </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/Moccasin%20Flats%202014-12-24.pdf" target="_blank"><span class="s_9255B882">click photo</span></a><span class="s_AA239
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">A widespread touchy surface hoar layer down 50 to 80cm is likely to be triggered anywhere it has not yet failed. As the slab overtop stiffens it becomes less likely to trigger but propagation and consequences will increase.  </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/Moccasin%20Flats%202014-12-24.pdf" target="_blank"><span class="s_9255B882">click photo</span></a><span class="s_AA239
Rider triggered and remote avalanches are happening daily on a widespread surface hoar layer down ~50cm. The overlying slab has gained enough strength to propagate widely which means bigger consequences. This problem will persist for a while. 
Although powdery in most places, 20-25cm of new snow is gaining cohesion. This layer has concealed recently formed wind slabs in exposed ares. Riders may be surprised by this layer, as these avalanches have the potential to trigger deeper layers.
50cm of recent storm snow with more in the forecast. Settlement and winds have formed soft slabs particularly at ridge crests. Winds are on the rise and expect conditions to become more sensitive as winds continue.
70cm of storm snow since the New Year, moderate south winds and warming temperatures all translates into a settling surface slab. This will be most likely in highly wind exposed areas such as ridgelines and crossloaded features.
The storm slab should be settling and stiffening with the warming temperatures.  The question is the bond to the old snow surface of colder recrystalized snow.  We currently think this interface is weak and ripe for triggering.
The bond of the recent storm snow continues to improve however given the right location could still be reactive to human triggering. Steeper windloaded features at and above treeline should be treated with respect.
There's 20-30cm of new snow overtop our latest surface hoar layer. This layer was observed to be widespread. As winds pick up and and the temperatures rise expect soft slabs to form and to be reactive to rider triggering.
~50cm of new snow overtop the widespread Jan 15 surface hoar layer. This layer was very reactive to human triggering yesterday. Expect this sensitivity to continue with the storm slab that formed overnight with the sustained strong southerly winds.
45cm+ of storm snow sits on the weak reactive January 15 surface hoar layer. Numerous natural avalanches to size 3 and skier triggered slides to size 2 have occurred over the last couple days on this layer.
40cm of new snow and strong southerly winds in have created a reactive storm slab. Expect storm slabs to be significantly thicker on lee features where snow has been transported by wind. This layer is easily triggered and will need time to stabilize.
We have 40cm of recent storm snow with very mild temperatures. Winds are strong in the alpine and its raining below 2000m.
40cm of storm snow was followed by 15mm of rain.&nbsp; This moist slab is likely to be touchy until temperatures drop below freezing.
Soft slabs will be more prevalent today due to steadier overnight winds.  ~35cm sits on a firm, smooth layer providing a good surface for avalanches to slide on. Exercise extra caution near ridge crests or cross loaded terrain features.
Storm snow will be redistributed by mod southerly winds on to alpine lee slopes and crossloaded features. This storm snow sits on a firm smooth surface especially below 2200m. Take time to assess the snowpack while approaching wind affected features.
At treeline and above a soft slab is forming which sits on a firm bed surface. This storm slab is triggerable, and may propagate widely. In areas sheltered from the wind the loose storm snow may sluff on steep slopes, gaining mass.
A soft slab is forming which sits on a firm bed surface. This storm slab is triggerable and may propagate widely due to buried surface hoar on a crust. Continued loading through the storm will increase reactivity and the size of resulting avalanches.&nbsp;
25-30cm of heavy snow over lighter snow will make conditions dangerous until the rain and snow stop and temperatures cool down.
Recent storm snow is settling into a slab and is bonding poorly where it overlies a crust. SW winds are increasing and are creating pockets of windslab at ridgetop. As freezing levels rise the slab may become more reactive.
The building load of storm snow is settling into a surface slab and is bonding poorly where it overlies a crust.  S through SW winds are creating pockets of fresh windslab at ridge top. Rising temps will increase reactivity of the storm slab.
20cm of new snow has added to the growing storm slabs at higher elevations. Strong SW'ly winds have magnified loading creating deeper, and touchier, pockets in lee areas. The storm slabs may be more reactive where they bond poorly to crusts below.
Up to 60cm of new snow exists at higher elevations. This new storm snow will get it's first &quot;kiss from the sun&quot; today, which often triggers avalanches. The storm slabs may be more reactive where they bond poorly to crusts below.
If we get significant amounts of snow today, along with winds, the new slabs will be particularly touchy, given that they will be sitting on a house of cards (surface hoar and crusts).
25cm of heavy new storm snow has combined with strong SW winds to form a slab over a touchy, widespread surface hoar layer. This slab is easily triggered by riders and has the potential to propagate into larger than expected avalanches.
25cm of heavy new storm snow has combined with strong SW winds to form a slab over a touchy, widespread surface hoar layer. This slab is easily triggered by riders and has the potential to propagate into larger than expected avalanches.
35cm of storm snow in past 48hrs along with warm temps and strong SW winds have formed storm slabs over a widespread weak surface hoar &amp; facet layer. If triggered there is potential for large slab propagation.
The Dec 2nd surface hoar layer is reaching critical overloading by the storm slab. Expect the storm slab to be reactive to both human and natural triggering.
The Dec 2nd surface hoar layer has reached critical load. Expect the storm slab to be reactive to both human and natural triggering.
The Dec 2nd surface hoar / crust layer has reached critical load. Expect the storm slab to be reactive to both human and natural triggering.
A 50-100cm thick slab overlies touchy surface hoar below treeline, and sun crust in the alpine. The surface hoar layer become more reactive at lower elevations. Expect the storm slab to be easy to trigger and capable of resulting in large avalanches.
A 50-100cm thick slab overlies touchy surface hoar below treeline, and sun crust in the alpine. The surface hoar layer becomes more reactive at lower elevations, and where it exists the storm slab will be easy to trigger.
30cm of new snow may bond poorly to the old snow surface.&nbsp; Currently new snow is low density but with rising temps and forecasted wind gusts a slab could build.
25-35cm of new, low density snow is being moved around by the winds at ridge-top. This is forming a slab in lee features, which will likely have a poor bond to the underlying interface of surface hoar, sun crust, or facets.
Where wind-affected, touchy soft slabs are forming. At lower elevations, mild temp's are settling the new snow into soft slabs as well. At all elevations, these thin slabs may pick up speed quickly, pushing folks into terrain traps.
Storm slabs continue to develop as warm temps, wind and snow settlement turn the upper 40cm into a cohesive layer. Slabs are most developed in exposed alpine ares. This layer is easily triggered where it sits on preserved surface hoar crystals.
Storm slabs continue to develop as warm temps, wind and snow settlement turn the upper 40cm into a cohesive layer. Slabs are most developed in exposed alpine ares. This layer was easily triggered in stability tests below treeline on surface hoar.
Storm slabs continue to develop as warm temps, wind and snow settlement turn the upper 50cm into a cohesive layer. Slabs are most developed in exposed alpine ares. This layer was easily triggered in stability tests below treeline on surface hoar.
Slabs continue to develop as warm temps, wind and settlement turn the upper 50cm into a cohesive layer. Below treeline the recent storm snow was easily triggered in stab tests on surface hoar.  Soft slabs are present in alpine areas exposed to wind.
The settling storm snow is still reactive to skier/riders weight below treeline. In the Alpine windslab has formed from moderate s'rly winds.  With sunny periods forecast today expect the new snow to be more reactive with the sudden solar warming.
A new storm slab is building. 30cm of snow over 48hrs at treeline, with another ~15cm forecast, is settling into a slab with mild temps. This slab may be triggered by light loads (like you) and avalanches on this layer may step down to deeper layers.
Up to 50cm fell in 48hrs and settled into a storm slab rapidly. SW winds will have loaded lee slopes, forming even deeper slabs. This slab may be triggered by light loads (like you) and avalanches on this layer may step down to deeper layers.
This layer is once again primed for triggering thanks to ongoing strong winds. In exposed areas, this layer is a cohesive slab up to 60cm thick. It may be triggered by light loads and avalanches on this layer may step down to deeper layers.
Expect the storm slab to be touchy after another night of moderate S-SW winds.  On lee features and exposed areas the cohesive slab could be upwards of 60cm thick.  If triggered slides may step down to deeper weak layers.
Since last weeks storm ~40cm of snow is forming into a storm slab. With more snow expected over the next few days this slab is thick enough to be a concern. In many areas it is still loose however in some areas tests indicate this slab is triggerable
~40cm of light snow remains loose in many areas and sluffs easily. As the storm progresses, it is expected settle into a slab with added snow, mild temps and SW winds. Watch for signs like &quot;upside-down&quot; feeling snow or cracking that indicate a slab.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
50cm of storm snow is settling into a slab with mild temps, added precip and wind.  Field trip to Lookout notch yesterday confirmed this with upside down feeling snow along with cracking of the surface layer.
Upwards of 50cm of storm snow will be settling into a denser slab over low density snow that fell early last week.  The storm slab can be expected to shear in unsupported terrain.
Recent storm snow and wind deposits are settling rapidly over a layer of lower density decomposing precipitation particles. With the forecasted warm temps today this slab could become more reactive.
50cm of storm snow sits on isolated pockets of surface hoar and a curst on solar aspects.  Warm temps at low elevations and strong southerly winds have encouraged slab development. Stability tests show that this layer susceptible to skier triggering.
With up to 70cm of new snow at treeline and strong gusty winds over the last few days, expect avalanche conditions to be widespread. Human triggering is likely.
Skiers/boarders were triggering the storm slab yesterday. With an additional 15cm overnight and strong winds, this slab now packs a little more punch.
The storm slab will be a little more touchy once temp's warm up later in the day. It isn't the time to charge into aggressive terrain.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">The storm slab is settling, but a couple layers within the new snow show the </span><a href="https://www.facebook.com/ParksMountainSafety/videos/vb.145133538869977/942661439117179/?type=2&amp;theater" target="_blank"><span class="s_9255B882">potential for step-down</span></a><span class="s_AA239A9B"> to lower layers if a slab is triggered.
New, touchy storm slabs are forming with ongoing snowfall and wind-loading. On steep slopes, especially areas exposed to wind, expect slabs to be easily triggered. While they aren't very deep (yet) they move fast and can accumulate in terrain traps.
Touchy storm slabs have formed in some areas. On steep slopes, especially ridgecrests, roll-overs and areas exposed to wind, expect slabs to be easily triggered. These soft slabs move fast and can accumulate in terrain traps.
Sensitive storm slabs have recently formed in the forecast area. Ridge crests, convexities, steep features, wind and SOLAR exposed terrain are locations of particular concern. Expect these slabs to be easily triggered.
Storm slabs may be sensitive to human triggering given the right terrain feature.&nbsp; Steep planar slopes should be investigated before jumping in. Avoid unsupported or convex terrain.
Storm slabs may be sensitive to human triggering given the right terrain feature. Steep planar slopes should be investigated before jumping in. Avoid unsupported or convex terrain.
Storm slabs are generally gaining strength but may still be sensitive to human triggering given the right terrain feature. Steep planar slopes should be investigated before jumping in. Avoid unsupported or convex terrain.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">30cm of storm snow sits on a strong crust and surface hoar.  This low density slab has the potential to gain alot of mass with a widespread crust as the bed surface. </span><span class="s_2823317B">Afternoon sun will add to the likelihood of triggering
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">30cm of storm snow sits on a strong crust and surface hoar which is poorly bonded in some locations. Field teams experienced whumphing on this layer yesterday. This low density slab has potential to gain alot of mass with a crust as the bed surface</span><span class="s_28233
40cm of storm snow sits on a strong crust and surface hoar which is poorly bonded in some locations. Field teams experienced whumphing on this layer yesterday. This low density slab has potential to gain alot of mass with a crust as the bed surface
~50cm of snow is settling into a soft slab and sits on a crust on solar aspects and surface hoar. If triggered it will likely run far &amp; fast especially with the crust as a bed surface. Expect it to sluff easily in areas where it hasn't formed a slab.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">A 30-50cm deep storm slab has formed. It is expected to become increasingly reactive due to the strong solar. In addition, on solar aspects it overlies a sun crust which provides a sliding surface. On lee, N'ly slopes soft windslabs may exist. </span><span class="s_28233
A 30-50cm deep storm slab has formed. It is expected to become increasingly reactive due to the strong solar. In addition, on solar aspects it overlies a sun crust which provides a sliding surface. On lee features, watch for touchy wind slabs.
Moderate winds and significant snowfall should be creating sensitive storm slabs in the alpine and open areas at treeline.
Newly formed storm slabs should be treated as susceptible to human triggering. Once triggered it may overload the Nov 13 crust layer resulting in large avalanches.
While natural avalanche activity is tapering off, human triggered avalanches are still likely. Our new storm slab sits on previous wind slabs, combined this avalanche problem has the potential to step down to the Nov 13 Crust. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
30cm of storm snow is settling over a very weak old surface of facetted  snow. The surface slab will be sensitive to human and natural triggering especially in areas of wind effect as it overloads the weak layer.
50cm of storm snow with strong gusting winds is sitting over a very weak old surface of facetted snow. Cracking and whumphing was observed yesterday from groups out skiing. With additional snowload and settlement the surface slab will remain touchy
~80cm of storm snow is settling into a slab. It sits on a weak and reactive layer of facets and spotty surface hoar. Yesterday skiers accidentally triggered a storm slab avalanche, partially burying a member of the group. Human triggering is likely.
80cm of storm snow is settling into a slab. The storm snow is poorly bonded to a reactive layer of facets and spotty surface hoar.
Cold temperatures have kept recent storm snow light and powdery, but slab properties are beginning to form. The slab sits on the December 18 facet/ surface hoar down 50-60cm. Stability tests show that the storm slab is reactive to skier loads.
Recent storm snow has been slow to form a slab in part due to cold temps. Slab properties are starting to form.  The slab rests on the Dec 18 facet/surface hoar layer down 50-60cm.  Stability tests show that the storm slab is reactive to skier loads.
The recent storm snow has been slow to form a slab in part due to continued cool temperatures. Slab properties are starting to form and this is a concern given the Dec 18th facet/surface hoar weak layer down 50-60cm.
The recent storm snow has been slow to form a slab in part due to continued cool temperatures. Slab properties are starting to form and this is a concern given the Dec 18th facet/surface hoar weak layer down 50-60cm.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Up to 30cm of snow fell in the last 24hrs at treeline with another 15-25 expected today &amp; tonight. This new slab has buried a spotty surface hoar layer, that could be lurking. Expect this new load to take some time to stabilize.
50cm storm snow in 48hrs with flurries expected today. The storm snow has buried a spotty surface hoar layer to dig and look for. The new load will take a few days to stabilize.
60+ cm of new snow in the last 72 hours at tree line has created storm slabs most reactive at tree line and in the Alpine. The storm slab also stepped down to the Dec 18th interface yesterday on steep shallow southerly aspects with artillery control.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Since Thursday we have received 60cm+ snow at 1900m elevation which is settling into a slab. Expect the forming slab to be most reactive at and above TL. The storm slab did step down to the Dec 18th interface with artillery and explosive control.
15 cm of new snow in the last 24 hrs falls with moderate S winds is building a new slab.  Steady snowfall over the next few days will add load to this developing slab which sits on a weak layer of facets and surface hoar. 
35cm of new snow was accompanied by moderate S winds. This has created a new storm slab that is poorly bonded to a weak layer of facets and surface hoar. This slab will be reactive at all elevation bands, especially with the warm temp's today.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
50cm of new snow, accompanied by moderate southerly winds and warming temperatures, has created a new storm slab . The slab is poorly bonded to a weak layer of facets and surface hoar. This slab is widespread and reactive.
50cm of new snow, accompanied by moderate southerly winds and warming temperatures, has created a new storm slab . The slab is poorly bonded to a weak layer of facets and surface hoar. This slab is widespread and may become more reactive in the sun.
40 to 60cm of storm snow last week with warm temperatures and strong winds created a storm slab. This layer will need time to heal and bond to older surfaces like near surface faceting and wind slabs. </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Storm slabs are most volatile near ridge crest and terrain exposed to the wind and lee features. Evaluate each slope independently, avoid steep, shallow, unsupported terrain, cornices and terrain traps.
Storm slabs are forming over a weak old snow surface that developed during the recent cold clear weather. Freshly formed slabs will be more sensitive to human triggering in wind exposed terrain.
30cm of storm snow overlies a variety of surfaces to which it may bond poorly. Skiers have triggered small, unsupported slopes. As the snow settles and forms a slab expect it to become more reactive and capable of propagating into larger avalanches.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">30cm of storm snow sits on a variety of surfaces to which it may bond poorly (</span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Profiles/20170207%20Balu%20Pass.png" target="_blank"><span class="s_9255B882">check out this snow profile</span></a><span class="s_AA239A9B">). As the snow forms a slab, and with new load from the storm expect it to become more reactive and capable of propagating into larger avalanches
Heavy loading from recent storms has created widespread storm slabs. With more snow and wind for today, natural avalanches on this layer are likely. This is a problem to avoid today, staying clear of large open avalanche terrain above tree line.
Widespread reactive storm slabs have formed. If triggered they have potential to run full path. Natural avalanche activity will taper off leaving slabs primed for human triggering.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Widespread reactive storm slabs have formed from previous heavy snowfall and strong winds overnight! </span><span class="s_2823317B">If triggered they have potential to run full path</span><span class="s_AA239A9B">. Natural avalanche activity will taper off leaving slabs primed for human triggering.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Widespread reactive storm slabs have formed from previous heavy snowfall and strong winds overnight! </span><span class="s_2823317B">If triggered they have potential to run full path</span><span class="s_AA239A9B">. Reports came in of whumphing &amp; low elevation slabs releasing below treeline yesterday.
The storm slab may become more sensitive to human triggering with rising freezing level to 2400m.  The other item to contend with will be the sun's  input on steep solar aspects warming the surface slab.
Over 40cm of new snow in the past 3 days has been combined with strong southerly winds to create widespread and touchy storm slabs.  Ongoing precipitation and wind activity could enable these slabs to step down and trigger deeper instabilities.
Over 65cm of new snow in the past 3 days has been combined with strong southerly winds to create widespread and touchy storm slabs. These slabs may step down and trigger deeper instabilities.
Widespread storm slabs were observed to fail at all elevations yesterday. Treat all slopes that have not failed as suspect. Keep your route to supported terrain with eyes open for natural or human-triggered avalanches.
Widespread storm slabs were observed to fail at all elevations yesterday. Treat all slopes that have not failed as suspect. Field teams yesterday noted low elevation slabs below treeline were still reactive aswell.
Widespread storm slabs were observed to fail at all elevations Sunday.  The storm slab needs time to bond to the old snow surface. Features that have not failed should be given a very cautious approach. 
Storm slab formation has been widespread and through all elevations. However its susceptibility to human triggering is highly variable. The bond to the old snow surface of crusts and facets is questionable.
Incremental loading this week + 15cm of new snow last night and warming temps today is producing a touchy storm. This storm slab can step down to deeper layers and run full path, which has already occurred this am in the HWY corridor!</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Steady snowfall this week (+15cm of new snow again last night) and warming temps today have produced a touchy storm. Yesterday this storm slab was able to step down to deeper layers and ran full path.
Steady snowfall this week (70cm in 3 days) and warming temps today have produced a touchy storm. Yesterday this storm slab was able to step down to deeper layers and ran full path.
Steady snowfall this week (70cm in 3 days) and warming temps today have produced a touchy storm. Yesterday this storm slab was very reactive and resulted in numerous full path avalanches.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> 80cm of recent snowfall and warming temps yesterday and today are forming a </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/20170313%20Mounds.JPG" target="_blank"><span class="s_9255B882">reactive storm slab</span></a><span class="s_AA239A9B">. Numerous full path avalanches have occurred in the last 48hrs.
The recent storm snow is rapidly settling into a touchy storm slab, sensitive to both natural and human triggering. The slabs may be more touchy on recently loaded lee features.
Substantial snow and rain fell over the last 6 days! Rain on new snow then more new snow is a perfect combination for avalanches! Once commenced these storm slabs can step down to deeper layers in the snow pack, resulting in full depth avalanches.
Heavy precipitation combined with wind and warm temperatures have formed reactive storm slabs at all elevations. Although natural avalanche activity has subsided, these slabs remain triggerable by human loads!
Heavy precipitation combined with wind and warm temperatures have formed reactive storm slabs at all elevations. Added snowfall from last night and today will see these slabs become more active once again.
Heavy snowfall and extreme SW winds formed reactive storm slabs at tree-line and alpine elevations. These overlie various weak interfaces in the upper snowpack and need time to readjust to the new load.
Last weekend's storm slab will be settling quickly. Weak layers down 40cm and 60cm and Nov 9th interface should awaken with rapid warming, increased precipitation and strong SW winds forecast today.
Heavy snowfall with wind today will build a touchy storm slab. The Nov 23rd crust will be a good bed surface for avalanches to run on. Avalanches may run far on top of this layer.
New snow and winds have created a storm slab that sits atop a supportive crust down 30cm. This layer will become more reactive with ongoing loading from wind and snow. This is an evolving problem that requires careful evaluation and decision making.
The steady accumulation of new snow is settling into a reactive storm slab. It will be most reactive at ridgetop and in steep unsupported terrain. Expect avalanches to be run fast and to the bottom of run-outs. Be aware of overhead exposure!
Settling new snow and wind at ridgetop has created a reactive soft slab.&nbsp; Compression tests yesterday showed shears in the storm snow down 15 &amp; 30cm. In steep alpine terrain avalanches may run to the bottom of run-outs. Be aware of overhead exposure!
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">After a long dry spell, 15cm of new snow has fallen on </span><span class="s_2823317B">widespread surface hoar. </span><span class="s_AA239A9B">Another 25 is expected today! As this new snow settles into a cohesive slab, expect to see avalanche hazard spike! Also expect sluff to be heavy and fast!
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">After a long dry spell, 40cm of new snow has fallen on </span><span class="s_2823317B">widespread surface hoar.  </span><span class="s_AA239A9B">As this new snow settles into a cohesive slab, expect to see it become more reactive.  SW winds in the 30-45kph range have built windslab in the alpine.
Yesterday's storm snow is settling into a slab. It will be reactive in windy areas in the Alpine and exposed areas at Tree Line. Steep solar asp will be problematic, as there will be a crust under our slab and a Surface Hoar/Facet combo BTL.
Recent storm snow continues to settle into a slab.  Expect the slab to be increasingly sensitivity as you transition into wind effected terrain. Steeper solar slopes harbor a thin crust layer below the storm snow and a facet surface hoar combo BTL.
The 30cms of recent storm snow will remain touchy for loose avalanches in steep terrain. With all the available fetch, strong Northerly winds will have created soft slabs on lee slopes.&nbsp; Avalanches will have the potential to reach runouts today.
The 25cms of recent storm snow along with the available fetch and recent strong winds will have created pockets of slab on lee slopes. Based on observations yesterday, avalanches have the potential to reach out into runout zones.
The 25cms of recent storm snow along with the available fetch and recent strong winds will have created pockets of slab on lee slopes. Based on observations Dec 30, avalanches have the potential to reach out into runout zones.
30cm of snow over the past 48hrs is settling into a soft slab with warm winters temps (-1 to -5). The Jan 4 surface hoar is down ~35cm and found to be up to 15mm in size. If triggered, small avalanches could initiate deeper layers.
40+cm of storm snow over the past 48hrs is settling into a slab with warm temperatures (-1 to -5). The Jan 4 surface hoar is down ~45cm and found to be up to 15mm in size. If triggered, small avalanches could step down to the Dec 15th PWL!
45cm of recent storm snow is settling into a slab assisted by warm temperatures (-1 to -5). The Jan 4 surface hoar is down ~45cm and found to be up to 15mm in size. If triggered, small avalanches could step down to the Dec 15th PWL with big results.
45cm of recent storm snow has settled into a slab. The Jan 4 surface hoar is down ~45cm and found to be up to 15mm in size. If triggered, avalanches could step down to the Dec 15th PWL with potential for large avalanches.
A reactive storm slab sits atop the Jan 4 surface hoar interface. The slab is poorly bonded where the surface hoar is well preserved. If triggered, avalanches could step down to the Dec 15th persistent weak layer causing very large slides.
A reactive storm slab continues to build &amp; warming temps in the next couple days will make it more touchy. The slab is poorly bonded in areas where the Jan 4 surface hoar is well preserved. If triggered avalanches could step down to the Dec 15th PWL.
Yesterday's field info found remote triggering the surface slab in some locations and no slab in others. Warming temps, more new snow and mod S-SW winds will increase the density  of the slab and sensitivity of the layer to human triggering.
The Jan 16 surface hoar is widespread and buried 30cm. Incremental loading combined with wind action has led to slab development over this weak interface. The January 4th surface hoar is down 60cm and could be triggered by a storm slab avalanche.
Strong south winds combined with recent new snow has formed pockets of wind slab. This buries the Jan 16 surface hoar which is widespread and found down ~50cm. Slabs triggered over this weak layer could propagate far and trigger deeper layers.
Storm slabs sit on a layer of surface hoar and/or a thin crust. They will be most sensitive in areas exposed to wind and unsupported convexities, where there's tension in the snowpack. Storm slabs triggered could step down to deeper weak layers.
Heavy snowfall and warming temperatures will create a reactive storm slab. If triggered, the slab could step down to deeper weak layers. With steady snowfall accumulation in the last week expect to see avalanches gaining mass and running far.
Heavy snowfall created a reactive storm slab. Wind loading continues to overload this weakness. If triggered, the slab could step down to deeper weak layers. Avalanches are running full path.
Recent heavy snowfall has created a reactive storm slab. Wind transport has added to the load on lee slopes at and above treeline. If triggered, the slab could step down to deeper persistent weak layers.
Recent heavy snowfall has created a storm slab in some locations. Wind transport added to the load on lee slopes at and above treeline. If triggered, the slab could step down to deeper persistent weak layers.
Ongoing heavy snowfall has created a storm slab. Wind transport added to the load on lee slopes at and above treeline. If triggered, the slab could step down to deeper persistent weak layers.
Ongoing heavy snowfall has created a storm slab. Strong to extreme South winds will have redistributed new snow into a touchy windslab in the Alpine &amp; at Treeline.&nbsp; If triggered, the slab could step down to deeper persistent weak layers.
Consistent snowfall has created a storm slab. Previous strong South winds have redistributed the new snow into a windslab in the Alpine and at Treeline. If triggered, the slab could step down to deeper persistent weak layers.
The last storm brought over 60cm of new snow in 48hrs. Storm slabs remain touchy and are still resulting in large natural avalanches, as recently as 0700 this morning. Expect the &quot;first kiss of the sun&quot; to trigger more storm slab avalanches.
The last storm brought over 60cm of snow in 48hrs. In the alpine, mod winds have built windslab. If triggered these slabs will propagate very wide. Cornices have also grown in size &amp; become more fragile in the last week, give them a wide berth!
The last storm brought 60cm+ of snow. In the alpine, strong winds have formed windslab. If triggered these slabs have potential to propagate. Cornices have grown in size &amp; become more fragile in the last week, avoid exposing yourself to this hazard.
30cm of storm snow has been fallen over night with moderate southwest winds building pockets of wind slab in the alpine and exposed treeline locations. The storm slab will be most reactive along ridge lines, convexities and steep unsupported terrain.
40cm in 48hrs, previous moderate winds have redistributed it into pockets of wind slab in the alpine and exposed treeline locations. Expect the storm slab to be most reactive along ridge lines, convexities and in steep unsupported terrain.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Natural and skier triggered avalanches are still resulting from this reactive storm slab problem.  Loading from moderate to strong southerly winds has increased the likelihood storm slabs being triggered and propagating, especially in exposed areas.
Natural and skier triggered avalanches are still resulting from this reactive storm slab problem. Loading from moderate to strong southerly winds has increased the likelihood storm slabs being triggered and propagating, especially in exposed areas.
Moderate S'ly winds and 25cm of storm snow all landing on a facetted old snow surface. Where wind touched watch for a reactive storm slab at and above treeline. Recently buried windslab is also a concern more so on steeper solar locations.
New snow and southerly winds have created reactive storm slabs. Slabs will be well-formed on lee features when wind has contributed to loading. These slabs are touchy and sensitive to human triggered loads as well as natural inputs like wind and sun.
Five cm of new snow fell overnight with Southerly winds gusting to 81 km/hr. Another 5cm is forecast today with sustained winds building windslab in lee features.  Pay close attention solar aspects where near surface crusts act as a good bed surface
20cm new snow with Southerly winds gusting to 80 km/hr has formed a storm slab. Another 10cm is forecast today with sustained winds building windslab in lee features. Pay attention on solar aspects where near surface crusts act as a good bed surface
60cm of storm snow buries a crust up to 2000m on all aspects and into the alpine on solar aspects. 30cm of new snow is settling quickly could be reactive to human presence. Moderate to strong winds have formed wind slabs on lee features.
With the help of strong south winds, the storm snow is forming into a cohesive slab. The slab sits on a variety of surfaces including a widespread crust below tree line, a crust on solar aspects, and isolated pockets of surface hoar on polar aspects.
With the help of strong south winds, the storm snow is forming into a cohesive slab. The slab sits on a variety of surfaces including a widespread crust below tree line, a crust on solar aspects, and isolated pockets of surface hoar on polar aspects.
Storm slabs may be susceptible to human triggering. Steep S aspects where the slab may sit on a sun crust and wind loaded features on N and E aspects are the main concern.
Over 30cm in last 48hrs initially accompanied by strong to extreme winds has created widespread storm slabs on all aspects at Treeline and in the Alpine. Expect the strong winds to have scoured S aspects &amp; created firm windslabs on N facing terrain.
A rain crust that went as high as 1950m now has 30 -50 cm on it. Cold temperatures have not helped the bond with the new snow. With the forecast warming, wind, and precip, a firmer slab will likely develop which could become reactive to skier traffic
Caution in steep terrain for failures within the recent storm snow.  The storm snow should start to settle out and bond over the next few days.
The new snow is bonding well but will settle slowly with the cooler temperatures.&nbsp; Watch for sluffing and soft slabs in steep terrain.
The snow from the last two storms is forming a slab. Things are a bit touchier over crusts right now. Both heating and wind will encourage slab development over the next few days. Use caution in steep or unsupported terrain.
Thin and soft slabs formed with recent snow and warm temperatures can be found almost everywhere. With time, the forecast West Winds will likely redistribute this snow to form wind slabs near ridgelines and in gully features.
The incoming snow will cover a variety of firm surfaces including the windslabs described above, wind affected surfaces, and sun crusts on S aspects. West winds and mild temperatures are likely to encourage slab formation in specific areas.
More likely areas where the slab could be triggered are in&nbsp; steep unsupported terrain.
More likely areas where the storm slab could be triggered are in steep unsupported terrain.
As new snow falls and is redistributed by W winds, expect slabs to form quickly or to&nbsp; contribute to soft windslabs that already exist&nbsp; at Treeline and above. In recent days even very soft slabs have failed easily over weak, faceted surface layers.
Soft slabs are forming rapidly with the new snow over a very weak and widespread layer. These slabs can be triggered from a distance on steep slopes and require very conservative terrain selection and route finding.
Wind and warm temperatures have created higher density snow over the weak faceted crystals in almost any open areas. Very easy triggering means that skiers should treat all significant slopes with respect. SE to SW slopes seem extra touchy
These recently formed slabs have proven to be very easy to trigger failing naturally and with light loads. Limit your exposure to significant slopes. Do not get taken by surprise by the long propagations that are occurring.
These recently formed slabs have proven to be very easy to trigger failing naturally and with light loads. Limit your exposure to significant slopes. Do not get taken by surprise by the long propagations that are occurring.
These recently formed slabs have proven to be very easy to trigger failing naturally and with light loads. Limit your exposure to significant slopes. Do not get taken by surprise by the long propagations that are occurring.
Up to 55cm of new snow has arrived over the last week. Warm temperatures are helping it settle but it is siting on a variety of sun crust, old windslab or facets. Warm temps on Sun could provide a trigger for this layer.
Recent storms with warm temps and West winds have created slabs and built cornices. Wet slabs are failing BTL and solar aspects, cornices and windslabs are failing at TL and above.
Very warm temperatures and rain to 2300 meters on March 8 and 9 has settled the near surface instabilities with cooler night time temps. Thin wind slabs may be present in some aspects on this layer.
The 30-40cm of snow from the last few days is sitting on crusts or moist snow that could provide a poor bond. Daytime heating could trigger these instabilities on south facing aspects but they may persist on cooler north aspects for a few days.
Recent snow combined with mild temperatures and West winds have created soft slabs. These slabs are sitting on a variety of surfaces including rain crusts, sun crusts, old wind slabs and the interface to the previous storm snow and are 25-40 cm deep
With significant warming Tue and  incoming precipitation for the rest of the week, expect these slabs to become more reactive. Small changes in aspect and elevation seem to change the nature of these slabs so monitor what you are skiing on closely.
Up to 25cm&nbsp; of new snow over the March 26 interface will quickly form a slab with mild temps and the forecast winds. On solar slopes these slabs will be found over a crust and may be particularly touchy.
Recent warm temps and wind have contributed to the formation of a soft slab that has failed naturally over the last few days. This slab will become more sensitive to triggering with heating and could be triggered in steep or unsupported terrain.
Skiers looking for dry snow on shaded aspects should frequently test the surface layers.&nbsp; A shear persists down about 30 cm&nbsp; with preserved stellar snow flakes and surface hoar. Caution in steep and unsupported terrain is advised.
Skiers looking for dry snow on the shaded aspects should frequently test the surface layers. A shear persists down about 30 cm with preserved stellar snow flakes and surface hoar. Caution in steep and unsupported terrain is advised.
Test the shear found on the weak snow above the crust frequently. Although clean shears found on the facets alone are serious, the isolated areas that hold surface hoar should be treated with even more respect. More snow may make this more touchy.
The weak snow above the crust is new primed with a big enough slab for there to be serious consequences of triggering an avalanche. Isolated areas that hold surface hoar should be treated with even more respect.
The snow from the turbulent storm is forming a 30 to 40 cm soft slab at all elevations that fails very easily in tests over the cold low density snow from the weekend. Expect more development of these slabs at higher elevations with more wind effect.
The pineapple forecast for Thursday will change things in a hurry: with warm temps and strong winds, expect rapid slab formation TL and above. With a freezing level of 2000m expect loose wet, or thin wet slab activity BTL.
The low forecast for Thursday will change things in a hurry for the weekend: with warm temps and strong winds, expect rapid slab formation TL and above. With a freezing level of 2000m expect loose wet, or thin wet slab activity BTL.
These slabs could grow rapidly with mild temps, moderate winds and heavy snow forecast. If freezing levels rise wet slabs could be very touchy at lower elevations. Monitor slab depths and resistance by feeling for the crust. Watch forecasts closely.
New slabs sitting on a newly formed crust can be found at all elevations but are much more significant at the upper limits of treeline and the alpine. These will be more reactive in steep or unsupported terrain and may be ripe in many start zones.
Storm slabs will continue to grow through the weekend.
With snowfall and wind in the forecast storm slabs may develop in the coming days. These will not likely bond well initially to the widespread crust that is currently on the surface.
These will be largest, and most widespread, on S and W aspect lee slopes at Alpine and Treeline elevations. However, new snow may also overload small buried wind slabs that exist near ridges, lee to previous SW winds.
These are touchy, especially to the immediate lee of ridges. Look for these on the opposite side of features from normal. The storm snow will be slow to stabilize, due to cold temperatures. Wind Slab problems may develop on Wednesday.
This problem will grow throughout the forecast period, and may be widespread. Pay attention to obvious signs of instability, do snowpack tests on representative slopes, and only expose one at a time. Conservative decision-making is essential.
Likelihood of Storm Slabs in previous storm snow will decrease somewhat during the forecast period; however, they may be slow to bond with old surfaces, and can be surprising deep.
While deep Storm Slabs from last weeks heavy snowfall have gained some strength over the past few days, this weeks warm temperatures may increase the likelyhood of triggering them.
While deep Storm Slabs from last weeks heavy snowfall have gained strength, they sit over a facet-crust combo on solar slopes below 2100m, and over facets (slowly strengthening) in sheltered/treed areas. If triggered, these may be destructive.
Fresh Storm Slabs are forming, specifically lee to SW winds. These overlie a widespread, stubborn older slab (70cm thick). This sits on a facet-crust combo on solar aspects below 2100m, and on hollow facets (slowly healing) in sheltered/treed areas.
Storm slabs will continue to build through the forecast period.
Storm Slabs will be touchy. Pay special attention to Treeline and Alpine slopes lee to SW winds - slabs will continue to grow on these slopes. Avoid steep slopes where wind transported snow is being deposited.
Exposed areas saw wind transport Thursday night, and may do on Friday night also - just enough to set up isolated storm slabs in unusual (South and West facing) lee features.  These could be reactive; particularly on Saturday, and during midday sun.