Winds picked up yesterday, and there is lots of new snow available for transport. S-SW winds loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, cornice development, and soft windslabs on lee slopes.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your pole to feel for these as transitioning into open terrain.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your ski pole to feel for these when transitioning into open terrain.
Winds associated with the incoming front are forecast to be NW&nbsp; 50 to 80km/hr at mountain top levels today which reverses typical loading patterns. Buried windslab from previous storms still linger.
Overnight winds picked up to ideal transport values to form wind slab.  Wind direction has varied from S-SW at treeline to W-NW it mountain top. Lee slopes lower down may not be the same up high.
Sustained overnight winds with an additional load have made conditions more susceptible to windslab. This adds to the heavy snow load we have received in the past week.
Near ridge line, steady moderate to strong winds have created pockets of wind slab, which may be easily triggered by skiers.  Cross loaded features and gullies should also be treated with caution.
Near ridge line, pockets of wind slab persist, and may be triggered by riders. Cross loaded features and gullies should also be treated with caution.
Near ridge line, pockets of wind slab persist, and may be hidden by a covering of storm snow. These slabs can be triggered by riders. Cross loaded features and gullies should also be treated with caution.
Isolated pockets of windslab have been buried in the immediate lees of ridgecrests; likely in places where even a small avalanche would have high consequences. Winds will increase through the day and over the weekend and may form new windslabs.
Isolated windslabs and windloaded pockets have been buried in the immediate lees of ridgecrests. They are more likely in places where even a small avalanche would have high consequences; steep, complex terrain.
Yesterday, avalanche technicians found thin, touchy windslabs above 2300m that were easily triggerable on convex, unsupported features. They are of most concern where even a small avalanche would have high consequences; steep, complex terrain.
Strong winds overnight and lots of storm snow have created touchy windslabs above 2300m that are easily triggerable on convex, unsupported features. Look for soft slabs at treeline and above, near ridgelines.
Strong winds early this week, combined with 40cm of storm snow have created touchy windslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft slabs at or near ridgelines.
Strong winds early this week, combined with 40cm of storm snow have created touchy softslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft wind slabs at or near ridgelines.
Spikes in wind speeds in the last 24hrs have created fresh windslabs. Hard slabs exist right at ridgecrests, with soft slabs in the lees. Where they exist, these slabs may be triggered by skiers or riders.
Hard slabs exist right at ridgecrests, with soft slabs in the lees of ridges and ribs of terrain above treeline. These slabs are now shallowly buried and are most likely to be triggered on convex, unsupported terrain features.&nbsp;
The storm snow is forming very soft slabs on lee and crossloaded features. These were easily triggered yesterday on steep slopes, and are now 10cm deeper with overnight snow. These slabs may be more reactive due to a period of strong wind overnight.
Instabilities may linger down 30 to 40cm in the snowpack that were reactive to skier triggering. They are located near ridge tops and on cross loaded terrain features.
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.  A 10cm wind skin overlies a 35 cm thick wind slab.  Cross loaded and windward areas should be treated with caution.
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.? A 10cm wind skin overlies a 35 cm thick wind slab.? Cross loaded and windward areas should be treated with caution.  Watch for reverse loading.
Isolated pockets of wind slab can still be found in specific locations near ridge crests and gully features.
Isolated pockets of wind slab can still be found in specific locations near ridge crests and gully features.
Winds picked up last night and are still on the rise. Be aware of&nbsp; the changing snow conditions as you enter more wind exposed terrain.
Steady overnight winds have created wind slabs in wind exposed areas and will react easily to skier triggering.   
Higher elevations saw strong overnight winds creating wind slabs over buried weak layers. 
Higher elevations saw strong overnight winds (up to 70 kph) creating wind slabs over buried weak layers.
Upper level winds from the N have created windslabs on S-SE slopes in the high alpine. Winds around 2000m are from the south, loading N-NE slopes. Watch for windslabs in the alpine; if triggered they may step down to the persistent slab.
Upper level winds from the N have created wind slabs on S-SE slopes in the alpine. Winds around 2000m are from the south, loading N-NE slopes. Watch for windslabs in the alpine; if triggered they may step down to the persistent slab.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees over night at 2000m) are contributing to wind slab development.  Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development.? Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development. Lee and cross-loaded features will be most loaded, however all aspects are suspect.
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex roles.
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex rolls.
South winds from earlier in the week had affected much of the tree line and alpine. Wind slabs may still react to skier triggering and may be weakened with warming temperatures.
Evidence of wind slabs still lingers in the alpine. Caution at ridge crests and on cross loaded features.
Evidence of wind slabs still lingers in the alpine. Caution at ridge crests and on cross loaded features.
Over 24 hours of strong winds at treeline and in the alpine have formed easy to trigger windslabs. Be cautious near ridges or other areas where the wind may have formed slabs. Watch for shooting cracks as a sign for soft slabs.
Moderate to strong winds over consecutive nights have produced wind slabs at higher elevations. Pay close attention to changing snow conditions as you travel from sheltered to more exposed areas.
Strong south winds have come with new snow and are remaining steady. Caution on lee slopes. Previous wind slab is newly buried as is a sun crust on solar aspects.
Reports of wind slab, 20 to 45cm deep, reactive to rider testing yesterday from sustained moderate to strong south winds for the past 3 days. Caution on lee and cross loaded slopes.
Wind loading of storm snow over the past 48 hours has created 20-40 cm thick slabs at and above treeline.  These are thicker on lee aspects, but are also a problem on solar (windward) aspects where they overly a crust.
Winds tapered off overnight, but the slabs that formed previously remain a concern.  Expect pockets of slab in lee features and near ridge crests.  Slabs will be thicker on lee aspects, but persist on solar (S + W) aspects over the Feb. 3 sun crust.
Winds are back in the loading range, and the slabs that formed previously remain a concern. Expect pockets of slab in lee features and near ridge crests. These slabs may sit on a sun crust on S+W aspects.
Steady SW winds have been transporting snow and triggering natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests.
Steady SW winds continue to transport snow and trigger natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests; most likely in serious terrain where a ride would have severe consequences.
Steady winds continue to transport snow and trigger natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests; most likely in serious terrain where a ride would have severe consequences.
Winds have remained in the moderate range and are forecast to increase with this incoming storm.
High to extreme S. winds have redistributed new snow onto lee slopes, creating hard and soft slabs in all wind affected areas.  At treeline, these slabs rest on a newly formed surface hoar layer (February 12). 
The presence of hard wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.&nbsp; While the nature and extent of these slabs is uncertain, it is wise to watch for them in wind exposed areas.
The presence of wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.  Expect to find them in wind exposed areas at treeline and in the alpine.
Soft windslabs formed on lee slopes above treeline last week from southerly winds. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on lee slopes above treeline last week from southerly winds. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on the immediate lees of ridges above treeline. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on the immediate lees of ridges above treeline. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Wind slabs persist in lee loaded features near ridge crests and roll-overs.  These have the potential to step down to the Feb 12 PWL, creating larger avalanches in specific terrain features.
Wind slabs persist in lee loaded features near ridge crests and roll-overs.  These have the potential to step down to the Feb 12 PWL, creating larger avalanches in specific terrain features.
Wind slabs persist in lee loaded features near ridge crests and roll-overs. Strong winds today will rapidly change conditions in the alpine and open areas at treeline today.
Moderate to strong overnight winds with new snow available to be moved by it has created wind slab at the higher elevations. Evidence of wind affect was also seen in open areas below tree line.
New snow has buried previous wind slab in the alpine. Look for a stiffer slab beneath the fresh at higher elevations. Winds are forecast to pick up creating new slabs.
Moderate to strong southerly winds continue to transport snow. This is loading lee slopes, overloading the snowpack and triggering large avalanches, as well as forming windslabs on exposed slopes. These areas will take even more time to stabilize.
Moderate to strong southerly winds continue to transport snow. This is loading lee slopes, overloading the snowpack and triggering large avalanches, as well as forming windslabs on exposed slopes. These areas will take even more time to stabilize.
Moderate to strong southerly winds shifted to NE overnight. Winds have loaded lee slopes, triggered avalanches, built large cornices and formed fat pockets and windslabs on exposed slopes. These areas will take even more time to stabilize.
Wind slabs and large cornices have formed in the alpine.  Cornices are huge and should be given a wide berth.
Sustained southerly winds overnight and 10-15cm of new snow have created wind slabs at higher elevations. Caution to the immediate lee of ridge features.
Sustained S-SW winds have been forming windslabs on lee terrain above treeline. In these areas, deeper pockets of loaded snow will be more easily triggered.
Sustained S-SW winds have been forming windslabs on lee terrain above treeline. In these areas, deeper pockets of loaded snow will be more easily triggered.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.  Cornices are growing larger.
Isolated wind slabs in the alpine and near ridge crests surprised a few skiers yesterday.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These failures could break down to deeper instabilities. Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These failures could break down to deeper instabilities. Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These likely exist in steep, aggressive terrain where even a small avalanche could have severe consequences.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These likely exist in steep, aggressive terrain where even a small avalanche could have severe consequences.
Moderate to strong N-NE winds overnight will have loaded slopes that are typically on the windward side. 
Wind slabs have been observed at upper elevations and may catch a rider off guard. N-NE winds have prevailed in the last 48hrs loading slopes that are typically on the windward side.
Hard and Soft Slabs were observed in the alpine, near ridge crests and on convexities, all aspects.  Additional snow and wind today will add to this problem
40-50cm of storm snow is being transported by variable winds. N'ly winds have reverse loaded solar aspects and may bond poorly where buried sun crusts exist. The wind is also building large, unsupported cornices.
The winds have picked up from the passage of yesterdays storm from the east and the north. Expect south and west aspects to be wind loaded which is not typical of what we normally see in this area.
Surface slabs have stiffened with wind-effect and cooler temperatures. These slabs appear to be touchy and are well within the range of skier-triggering. Northerly winds have reverse-loaded alpine and tree-line lee areas.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off.&nbsp; Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off. Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
Strong southerly and northerly winds transported snow to many aspects earlier this week. Watch for windslabs in unusual areas due to reverse loading.
Variable wind slabs in hardness and thickness are now buried under the new snow and will be more difficult to identify. These were observed throughout the park in exposed areas.
Variable hard and soft wind slabs from last week are now buried down 25cm.
Variable soft and hard wind slabs are buried 25-30cm below the surface.
With winds from the SW picking up today and a large amount of light snow to transport, we expect soft slabs to develop in lee features at and above tree-line.
Watch for soft slabs on lee features at and above tree-line. Large amounts of light snow will be transported by SW winds.
Watch of soft slabs on lee features at and above tree-line.  Large amounts of light snow will be transported by SW winds.
Watch for soft slabs on lee features at and above tree-line.  Large amounts of snow are being transported by moderate to strong SW winds.
Strong to extreme SW'ly winds will be forming windslabs and cornices at treeline and above.
We have had strong winds during yesterdays storm leaving us with wind slabs at higher elevations.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed windslabs at treeline and above.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed wind slabs at treeline and above. Wind slabs may be triggerable; watch for signs like cracking or hollow sounding snow.
Previous strong winds have created wind slabs in lee slopes at treeline and above. Watch for signs of weakness, like cracking and hollow-sounding snow.
Firm, wind deposited snow has formed slabs in exposed terrain.&nbsp; Use caution in lee areas at treeline and above.&nbsp;
Firm, wind deposited snow has formed slabs in exposed terrain. These slabs are now covered by 15 cm of new snow. Use caution in lee areas at treeline and above.
Winds have picked up overnight with lots of snow available for transport. Use extra caution on lee and cross loaded terrain particularly near ridge crests
SW winds yesterday have lots of loose snow available to load onto lee slopes and form soft windslabs above treeline. Pockets of windslab have been reactive to skiers. Use extra caution on lee and cross loaded terrain particularly near ridge crests
Strong SW winds are expected today. They will intensify the rate of loading onto lee slopes and form new windslabs. The new snow will also bury pockets of windslab that have been reactive to skiers in lee and crossloaded terrain.
Conditions are ideal for slab formation; strong SW winds, with mild temperatures are forecast. The strong winds will intensify the rate of loading onto lee slopes, and form new windslabs on lee slopes.&nbsp;
Recent moderate/strong SW winds have loaded lee features at treeline and in the alpine. Stay off wind loaded areas until the slope has had a chance to stabilize.
Strong winds are expected today with lots of snow available to be deposited onto adjacent slopes.
Winds have been steady in the moderate to strong range for the past 24hrs.
Winds associated with this recent snowfall have been strong enough to create wind slabs at higher elevations and in exposed areas below tree line.
Winds associated with the recent snowfall have been strong enough to create slabs in the alpine and exposed areas at and below tree-line. These slabs are concealed by the incremental snowfall of the last few days.
Wind slabs are still reactive to rider triggering in the upper snowpack. Large planar or unsupported slopes should be treated with respect.
Older wind slabs buried on various weak layers linger below all the new snow. These slabs have the potential to fail with the new, heavy load.
Older wind slabs are buried on various weak layers below new storm snow. Use your pole to feel for this firm, wind-deposited snow in exposed areas. These slabs have the potential to fail with the new, heavy load.
Older wind slabs are buried on various weak layers below new storm snow. Use your pole to feel for this firm, wind-deposited snow in exposed areas. These slabs have the potential to fail with the new, heavy load.
Wind slabs at ridge crests and in the alpine from the strong winds during the last storm may still catch a rider off guard.
Be cautious on the lee of ridge crests or on cross loaded terrain where previous wind slabs may still linger.
With lots of loose snow available to be transported, and sustained moderate winds above treeline, new windslabs are forming. In addition, cornices are becoming large and may fail triggering the slopes below.
Strong southerly winds created touchy wind slabs on lee slopes yesterday. Expect further wind slab development today as the winds pick up this afternoon.
Strong southerly winds over the last two days has created touchy wind slabs.
Winds in the past 24hrs have been strong to extreme with gusts to 130km/h on Mt Macdonald.
The winds associated with the storm yesterday were strong throughout the park at all elevations. Slopes near ridge crests should be treated with caution.  Wind slabs may exists in open areas below tree line above where there's a melt freeze crust.
Strong winds have formed windslabs in open areas at all elevations. In many areas they have formed over lower density snow, which may be triggerable.
Strong winds have formed windslabs in open areas at all elevations. In many areas they formed over lower density snow, which may be triggerable. Be especially cautious in places where even small avalanches can have high consequences, ie over cliffs.
Strong winds formed windslabs at all elevations and on all aspects. These windslabs sit on a low density layer and can be triggered by light loads. Be cautious in areas where even a small avalanche can have large consequences, ie over cliffs.
Strong winds formed wind slabs is exposed terrain at all aspects.  These wind slabs sit on a low density layer.  This layer could possibly be human triggered.  Be cautious in areas where even a small avalanche can have large consequences.
Wind slabs have formed from moderate to strong winds.&nbsp; It is possible a rider could trigger these hard, dense snow deposits.&nbsp; Be cautious in areas where even a small avalanche can have large consequences, i.e. around cliffs.
Wind slabs have been observed throughout the Park at higher elevations. It has been unreactive to snow sliding traffic but there is doubt that this may be the case everywhere. Small pockets may catch you by surprise.
Last weeks storm left us with widespread winds slabs up high. They have been largely unreactive to rider testing however areas they could be triggered are on steep unsupported slopes, slopes nearing ridge crests or on convex rolls.
There may still be a few lingering slab pockets in steeper, unsupported features that could surprise a person. This being said, there has been little activity observed on the surface windslabs,
Thin soft slabs now hide either hard windslab or suncrust. They may not be bonded well, and could be a concern in steep terrain where a slip/fall has a significant consequence (ie cliffs).
Park staff were able to ski-cut small, hard wind slabs in steeper alpine and tree-line terrain yesterday. These pockets moved quickly on the underlying hard surface, and would be a concern in &quot;no-fall&quot; terrain, as they could sweep you over cliffs.
Moderate winds, from variable directions, will transport the new snow, forming slightly deeper soft slabs along ridge crest and breaks in terrain. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Slightly deeper soft slabs may exist along ridge crest and breaks in terrain due to yesterdays winds. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Variable wind slabs are present beneath new snow. Use caution along ridge crests and breaks in terrain. In exposed alpine terrain hard slabs are present.
Old and new variable wind slabs are present at alpine and tree line elevations. It is possible to trigger isolated pockets of wind affected snow on steep roll overs.
Winds have redistributed some of the new snow creating a soft slab that was seen to react to rider triggering. Watch for this are on steep convex rolls with a buried sun crust. Shooting cracks from your ski tips is an indicator of this instability.
Expect to see some wind loading on south and west aspects, not typical of this area. The new snow has not bonded well to the old surfaces and was reactive early this week to rider traffic. People could expect the same but with a stiffer windslab.
Expect to see some thin slabs on S and W aspects in the alpine and exposed tree-line elevations, due to cold Arctic winds blowing from the N and E. These slabs will be stiffer with the cold weather, and have not bonded well to the older surfaces.
Riders are still able to ski-cut thin (5-10cm), hard slabs in lee features. With the reverse loading of N and E winds, slabs can be found on all aspects. While the slabs are likely too thin to bury a person, they could push one over steep terrain.
Thin wind slabs exist in exposed tree-line and alpine lee features on all aspects. It is possible for riders to trigger isolated pockets.
Thin pockets of wind slab are present on exposed treeline and alpine lee features. North and east winds have created reverse loading conditions.
Thin pockets of wind slab are present on exposed treeline and alpine lee features.&nbsp; North and east winds have created reverse loading conditions.
Isolated pockets of windslab to watch out for in exposed areas. Winds were predominantly from the East and the North until yesterday morning, loading south and west slopes near ridge tops.
Winds have picked up with lots of light snow available to be pushed around. Expect wind slabs to continue to form at higher elevations as the day progresses.
Winds have picked up from the W/SW and there is 50-60cm of new snow available for transport. Expect wind slabs to continue forming in lee areas at all elevations.
Wind slabs continue to develop in lee features at alpine and tree-line elevations. There is plenty of new snow to feed the wind slab development, so if winds pick up in the area you are skiing, expect the danger level to bump up a notch.
Strong winds in the alpine have redistributed the copious amounts of new snow into very touchy wind slabs. Expect to find extensive cracking and whumphing under your boards where the wind has affected the surface.
Exposed terrain will have wind deposited snow forming slabs.&nbsp; Moderate to strong winds this AM are rapidly loading avalanche start zones.
Winds from the current weather pattern have been steadily in the moderate to strong range. Expect to see more slabby conditions at higher elevations reactive to human triggering.
We had strong winds yesterday morning and there's a concern the associated instabilities still exist up high.
Strong winds overnight from the S-SW will have created surface wind slabs in the alpine and tree-line.
Fresh wind slabs from the previous couple days are evident in open alpine and tree-line elevations. Cracking and whumphing indicate that you have found them!
Winds during the last week have transported the new snow, loading lee slopes and forming cohesive wind slabs. In areas where the snow is more cohesive, triggering of these slabs is likely. If triggered these slabs will likely step down deeper.
Use caution as you transition into exposed terrain.&nbsp; Triggerable wind slabs may be present on lee features.&nbsp; If triggered these slabs may step down to trigger deeper instabilities.
Use caution as you transition into exposed terrain.&nbsp; Triggerable wind slabs may be present on lee features.&nbsp; If triggered these slabs may step down to trigger deeper instabilities.
Strong winds, including reverse loading from northerly winds have created pockets of wind slab. Feel for these deposits of firm, wind packed snow that will be getting buried by new snow today.
The recent wind slabs from the latest storm are settling out, but they will be stressed by today's sun and rapid warming. The first couple of hours of intense sun will likely bring activity to this layer.
The surface slabs are settling out and bonding to the older interface, but if the temperatures rise more than forecasted, expect touchy conditions on south and west aspects.
The recent storm snow has been redistributed by winds. The resulting soft slabs sit atop various old surfaces, including crusts on solar aspects and small surface hoar on northerly aspects. The slabs will remain reactive for a couple more days.
Thin, variable slab is present in the alpine and tree-line. It appears to be bonding with the underlying interface, but some pockets in lee features may surprise a person.
Winds have been steady in the 40-50km/h range from the north overnight. There's lots of snow available to move around to form slabs on lee features which is on south and west aspects.
Winds have been steady in the 40-50km/h range from the north for the past 48 hours. With lots of snow available to transport, expect windslabs on lee features. A size 2 windslab was triggered by skiers yesterday (see details tab).
Sustained moderate to strong winds shifted from the north to the south yesterday. With lots of snow available to transport, expect widespread and touchy windslabs. A size 2 windslab was triggered by skiers on Monday (see details tab).
New snow was exposed to strong overnight winds. In addition to a developing storm slab, expect a thicker wind slab on leeward micro features and N-NE aspects.&nbsp; These newly formed slabs need time to bond to the old snow surface and will be reactive.
Strong southerly winds during the storm, with lots of low density snow available for transport, will have formed windslabs in lee areas. These deep pockets of windslab may overlie the touchy surface hoar layer.
Strong southerly winds during the storm, with lots of low density snow available for transport, will have formed windslabs in lee areas. These deep pockets of windslab may overlie the touchy surface hoar layer.
Strong and steady overnight winds heave caused wind slab development on lee features. If triggered, winds slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will be touchy today.
Strong and steady winds heave caused soft slab development on all aspects. If triggered, wind slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will continue to be touchy.
Winds slabs have gained critical cohesion and can be triggered by human loads.  Wind slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will continue to be touchy.
Pockets of wind slab in lee features can be triggered by riders. Wind slabs up to 50cm thick could propagate on a buried crust up to 2200m and surface hoar above that. Cornices are weakening with the temperature swings and are becoming more touchy.
Variable winds have resulted in wind slabs on exposed slopes. Wind slabs up to 50cm thick could propagate on a buried crust or surface hoar. Cornices are becoming more touchy and have triggered deep slabs recently.
Isolated pockets of wind slab are still reactive to skiers if you find the right spot on a lee feature with underlying crust. The 5cm of snow expected tonight will make it harder to spot a loaded feature.
Up to 5cm of snow will make it harder to spot a loaded area. Isolated pockets of wind slab are still reactive to skiers if you find the right spot on a lee feature with underlying crust.  Keep this in mind particularly on exposed features.
Recent new snow was just enough to make it harder to spot wind loaded pockets.&nbsp; Isolated pockets of wind slab are still reactive to skiers given the right location on steep lee features.&nbsp; Keep this in mind if committing to steep exposed terrain.
Northerly winds early this week created isolated windslabs in unusual places. Small pockets of wind slab have been reactive on steep lee features. These are of most concern on steep, aggressive terrain where the consequences of a fall are severe.
Northerly winds early this week created isolated wind-slabs in unusual places. Small pockets of wind-slab have been reactive on steep lee features. These are of most concern on steep, aggressive terrain where the consequences of a fall are severe.
SW winds continue to form wind slabs.  Expect wind effected snow on all aspects. Small pockets of wind slab have been reactive to skiers.  Extra caution should be used in steep terrain where a small slab could result in a big fall.
Strong winds continue to form touchy slabs. Small pockets of wind slab have been reactive to skiers. On south aspects, wind slabs overlie a crust. Caution should be used in steep and exposed terrain where a small slab could result in a big fall.
Strong winds have formed touchy slabs. Small pockets have been reactive to skiers at or near ridge crests. Winds have come from all directions over the last week so lee slopes include all aspects.
Strong winds have formed touchy slabs. Small pockets have been reactive to skiers at or near ridge crests. Winds have come from all directions over the last week so lee slopes include all aspects.
Pockets of reactive windslab exist on all aspects due to variable wind directions. These pockets have been reactive to skiers at or near ridge crests, and are increasingly reactive with warm temperatures or when receiving solar radiation.
Pockets of reactive windslab exist on all aspects due to variable wind directions. These pockets have been reactive to skiers at or near ridge crests and are increasingly reactive with warm temperatures.
New moist snow, with strong southerly winds are forming new windslabs in the alpine. They may bond poorly in areas where they overly crusts, or may be hiding deeper old windslabs. Continued warm temps are making the old windslabs more reactive.
New moist snow with strong southerly winds have formed new wind slabs in the alpine. They may bond poorly in areas where they overly crusts, or may be hiding deeper old wind slabs. Continued warm temps are making the old wind slabs more reactive.
Wind slabs were reactive to skiers triggers yesterday.  Continued warm temperatures and a new precipitation will keep this problem primed today.  Widespread wind slabs at higher elevations may now be concealed by 10cm of new snow. 
Sustained strong to extreme overnight winds. Wind slabs were reactive to human triggering prior to this last storm.
Sustained strong to extreme SW winds Saturday night and Moderate N winds last night creating widespread wind slabs which are reactive to human triggering.&nbsp; Expect these slabs to become even more reactive with solar radiation.
Wind slabs created a few days ago remain a concern particularly combined with the warming and solar radiation that we are expected to get today. This is when they tend to become more reactive to human triggering.
Touchy windslabs continue to be reactive to human triggering. They are most likely to be triggered from a convexity and may propagate widely. Recent winds have also added to cornices, which are fragile and if they fail provide a large trigger.
Touchy windslabs continue to be reactive to human triggering. They are most likely to be triggered from a convexity and may propagate widely. The buried windslabs will be harder to identify, and new slabs are forming with the new snow and wind.
Moderate, but gusty, winds have been shifting from the SW to the NW forming pockets of wind slab in the alpine. Due to the variable wind direction they may exist in unusual places.
Moderate winds have been shifting from the SW to the NW forming pockets of wind slab on lee alpine features. Due to the variable wind direction they may exist in unusual places.
Distribution of winds slabs has been spotty but has been found on southerly aspects. Use caution when transitioning into exposed terrain at tree line and in the alpine.
Distribution of winds slabs has been spotty but has been found on southerly aspects. Use caution when transitioning into exposed terrain at tree line and in the alpine.
Strong southerly winds are transporting storm snow and forming wind slabs in exposed areas. When triggered, cohesive wind slabs have the potential for wide propagation where they overlay the Dec 2nd surface hoar.
Expect windslabs on northerly aspects due to the multi hour strong south wind transport. If triggered these slabs have potential for wide propagation on the Dec 2nd SH layer.
Windloading has formed windslabs on alpine and treeline northerly aspects.  In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
Strong S winds formed wind slabs on N aspects in the alpine and tree-line. In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
Strong S winds formed wind slabs on N aspects in the alpine and tree-line. In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
With ~1m of new snow available for transport, strong S winds have formed wind slabs on N aspects in the alpine and tree-line. These pockets of windslab have been reported to be reactive to triggering.
With ~1m of new snow available for transport, strong S winds have formed wind slabs on N aspects in the alpine and tree-line. These pockets of windslab have been reported to be reactive to triggering.
Watch for a developing wind slab in exposed areas as strong westerly winds transport recently fallen snow. Significant loading from wind transport can be expected in lee areas and may be easily triggered by riders.
Watch for a developing wind slab in exposed areas as moderate south westerly winds transport recently fallen snow. Significant loading from wind transport can be expected in lee areas and may be easily triggered by riders.
Moderate S-SW winds are forecast by mid morning this morning. Expect freshly formed windslab on alpine lee features and treeline ridges as moderate winds transport low density storm snow.
Recent winds have been shifting from the S to the N, creating pockets of soft windslab in lee features. Be especially cautious in steep terrain where the consequences of a fall caused by a small pocket of windslab would be serious.
Recent winds have been shifting directions. Pockets of windslab may be lurking in unusual places. Be especially cautious in steep terrain where the consequences of a fall caused by a small pocket of windslab would be serious.
Wind speed and direction have been variable. Pockets of soft slab may be found in unexpected locations. Edge into higher consequence steep terrain with caution.
Winds picked up yesterday out of the south redistributing the low density storm snow onto alpine immediate lee features. Be cautious as you transition into wind effected terrain and assess before committing to it.
Periods of moderate south through south-west winds have formed soft slabs along the immediate lee of alpine features.
Periods of moderate south through south-west winds have formed soft to very soft slabs along the immediate lee of alpine features.
Winds have been relatively light, but periods of moderate S through N winds have created pockets of very soft slab along the immediate lee of alpine features. Where they exist, these pockets have been triggered by skiers.
Thin windslabs exist in immediate lee of some alpine features. Keep them in mind if you venture into more aggressive terrain where getting pushed around by a small slide could have serious consequences.
Thin windslabs exist in immediate lee of some alpine features. Keep them in mind if you venture into more aggressive terrain where getting pushed around by a small slide could have serious consequences.
Thin windslabs exist in immediate lee of some alpine features. Keep them in mind if you venture into more aggressive terrain where getting pushed around by a small slide could have serious consequences.
Thin windslabs exist in the immediate lee of some alpine features. Keep them in mind if you venture into more aggressive terrain where getting pushed around by a small slide could have serious consequences.
Widespread wind effect observed in the alpine formed by moderate southerly winds Jan 22. Triggerable windslab may be found along alpine and treeline lee features.
Wind effect from the moderate-strong SW winds during the weekend has loaded up lee features in the alpine and tree-line. The sensitivity of these slabs is uncertain without many observations yesterday.
Yesterday's snowfall with moderate SW winds has created soft slabs in the alpine and at tree-line. These hide underlying wind slabs as well. The sensitivity of these slabs is uncertain, but try to avoid lee features that have been freshly loaded.
The new snow hides soft windslabs in the alpine and at tree-line. Yesterday, strong winds triggered windslab avalanches. Winds are expected to increase again today, and with lots of snow available for transport the old windslabs may be overloaded.
The recent storm slab is gaining strength. The exception is in Alpine or at treeline where mod S-SW winds may have created a soft windslab. On lee and exposed features the cohesive slab could be 60cm thick. Slides may step down to deeper weak layers.
The recent storm slab is gaining strength. The exception is Alpine or at treeline where moderate S-SW winds may have created a soft windslab and fresh cornices. On lee and exposed features the cohesive slab could be 60cm thick.
Windslabs exist in some alpine areas, although they may now be hidden by the new snow. Be curious if you are venturing into the alpine; use your pole to probe into the snow and feel for windslabs and look for clues of wind-loading like drifts.
Windslabs exist in some alpine areas, although they may now be hidden by the new snow. Be curious if you are venturing into the alpine; use your pole to probe into the snow and feel for windslabs and look for clues of wind-loading like drifts.
Freshly formed windslabs should be expected on alpine and treeline lee slopes. These slabs will be fragile and sensitive to human and natural triggers. 
Extensive wind effect expected at and above treeline forming widespread wind slab over the low density snow of earlier last week.  These slabs should be suspect and reactive to human triggering.
Thin, touchy wind slabs are likely lurking in the alpine and at tree-line elevations. These will be easier to initiate if sitting on the crust from Tuesday's warm-up.
Widespread wind slabs were observed in the alpine and at tree-line elevations yesterday. These will be easier to trigger if sitting on the crust from Tuesday's warm-up.
20cm of new snow and moderate to strong southerly winds have contributed to loading on lee features. The new snow has also concealed previously developed wind slabs that are easily triggered.
20cm of new snow and moderate to strong southerly winds have contributed to loading on lee features. The new snow has also concealed previously developed wind slabs that are easily triggered.
Strong winds have created windslabs in alpine and treeline areas. Keep your eyes open for windslab.
Strong winds have created windslabs in alpine and treeline areas. Keep your eyes open for windslab.
Consistently moderate to strong winds have created windslabs in alpine and tree-line areas.
Wind slabs were formed during and after the past week's storm. They are starting to gain strength to the underlying surfaces, but are shallow enough to be triggered by skiers/boarders.
Mod to strong S winds Friday night formed windslab on lee features at treeline and alpine elevations. These slabs may be sensitive to triggering and add extra load to storm slab weak layers.
Touchy windslab in the immediate lee of ridgelines and crossloaded features. formed by Friday night's strong S winds.  Sunday's skier triggered slide on Sifton col is a good example.
Touchy windslab in the immediate lee of ridgelines and crossloaded features formed Fri from mod S winds (the skier triggered slide on Sifton col is a good example). This older wind slab is now buried under a new soft Wsl from yesterdays snow and wind
Touchy windslab in the immediate lee of ridgelines and crossloaded features formed Fri from mod S winds (the skier triggered slide on Sifton col is a good example). This older wind slab is now buried under a new soft Wsl from mondays snow and wind
Soft windslab can be found in immediate lee features in the alpine and at tree-line. These slabs are also present on exposed alpine features, like large convex rolls.
Soft windslab can be found in immediate lee features in the alpine and at tree-line. These slabs are also present on exposed alpine features, like large convex rolls. They are becoming more stubborn to trigger.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Moderate gusting to extreme S winds blew for the last 24 hrs have created </span><span class="s_2823317B">windslabs on all aspects at TL and above</span><span class="s_AA239A9B">. This slab has the potential to run far on a supportive crust below and/or if the Feb 27 SH gets involved. </span><span class="s_2823317B">Monitor cornices closely</span><span class="s_AA239A9B">.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Yesterdays moderate, gusting to extreme S winds created </span><span class="s_2823317B">windslabs on all aspects at TL and above</span><span class="s_AA239A9B">. This slab has the potential to run far on a supportive crust below and/or if the Feb 27 SH gets involved. Cornices are ripe aswell, give them wide berth
New snow overnight with mod winds have created soft windslabs on alpine features.&nbsp; If it were to step down this slab has the potential to run far on a supportive crust or if the Feb 27 SH gets involved. Cornices are ripe aswell, give them wide berth
There is lots of new snow available for the sustained S'ly winds to transport. Lee slopes will have deep wind-loaded pockets that may be easily triggered, and if they are have the potential to entrain significant mass with the reactive storm slab.
Ongoing strong southerly winds have created reactive slabs on lee features.&nbsp; Likely locations for these slabs are northerly aspects near ridge line and crossloaded ribs in valleys that channel the winds.
Ongoing strong southerly winds have created reactive slabs on lee features. Likely locations for these slabs are northerly aspects near ridge line and crossloaded ribs in valleys that channel the winds.
Strong southerly winds have formed reactive slabs on lee features. Expect to find these slabs on northerly aspects near ridgline and crossloaded features.
Strong southerly winds have formed sensitive windslab on alpine and treeline lee slopes and crossloaded features.  These remain a concern for human triggering.
Strong southerly winds have formed sensitive windslab on alpine and treeline lee slopes and crossloaded features. These remain a concern for human triggering.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Previous southerly winds created windslab on lee slopes and crossloaded features. While these slabs are gaining strength they still remain a concern for human triggering. </span><span class="s_2823317B">Cornices are large right now</span><span class="s_AA239A9B"> and could easily fail from sun or riders weight
Previous southerly winds created windslab on lee slopes and cross-loaded features. While these slabs are gaining strength they still remain a concern for human triggering.
Previous southerly winds created windslab on lee slopes and cross-loaded features. While these slabs are gaining strength they still remain a concern for human triggering.
Wind slabs are widespread and reactive in the alpine and treeline. A skier was partially buried yesterday after triggering a wind slab on a relatively small feature. When triggered in open slopes, wind slabs may step down to deeper persistent layers.
Wind slabs are widespread and reactive in the alpine and treeline. A skier was partially buried on Friday after triggering a wind slab on a relatively small feature. When triggered on open slopes, wind slabs may step down to deeper persistent layers.
Windslabs are widespread and continue to be reactive to human triggering given the right terrain feature. 3 size 1.5 slides were triggered at Balu Pass yesterday.
Windslabs are widespread in the upper alpine and continue to be reactive to human triggering given the right terrain feature. Ripe cornices have been failing over the past several days. Avoid exposure to this overhead hazard.
Windslabs are widespread in the upper alpine and continue to be reactive to human triggering given the right terrain feature. Ripe cornices have been failing over the past several days. Avoid exposure to this overhead hazard.
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</style><p class="p_CC664AAA"><span class="s_2823317B">Southwest winds</span><span class="s_AA239A9B"> have picked up this morning </span><span class="s_2823317B">gusting to 51 kph</span><span class="s_AA239A9B">. This will be actively creating </span><span class="s_2823317B">windslab </span><span class="s_AA239A9B">with the 7cm of new snow and promoting </span><span class="s_2823317B">rapid cornice growth </span><span class="s_AA239A9B">which could trigger </span><span class="s_2823317B">natural cornice fall</span><span class="s_AA239A9B">. Avoid slopes below these overhead hazards
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Previous SW winds have created soft slabs</span><span class="s_2823317B"> </span><span class="s_AA239A9B">in the alpine</span><span class="s_2823317B"> </span><span class="s_AA239A9B">and promoted </span><span class="s_2823317B">rapid cornice growth. </span><span class="s_AA239A9B">Cornice failure has the potential to trigger deeper layers in the snowpack. Avoid spending time underneath these beasts &amp; give a wide berth on ridges.
At ridgecrests and on lee features, pockets of windslab are hidden by 10-20cm of powder. These wind slabs may be triggered by skiers and snowboarders.
Pockets of windslab at ridgecrests and on lee features are buried under low density snow and may be hard to identify.
Fresh windslab has formed with reports of cracking, whumphing and remote triggering possible in surface layers at and above treeline. Human triggering is occurring. Loose dry sluffing will also be an issue to contend with.
Variable gusting winds have created windslab in the alpine. Expect cornices and crossloaded features lower on slopes to be reactive aswell.&nbsp;  Stay observant&nbsp; and approach wind loaded areas carefully.
Variable gusting winds have created windslab at ridge top in exposed areas. Expect cornices and crossloaded features lower on slopes to be reactive aswell. Stay observant and approach wind loaded areas carefully.
Variable gusting winds have created hard wind slabs at ridge top, in exposed areas, and on all aspects. Expect cornices and cross-loaded features lower on slopes to be reactive. Stay observant and approach wind loaded areas carefully.
Moderate to strong winds have created hard windslabs in exposed areas at and above treeline, and on all aspects. Cornices, unsupported features and steep cross-loaded terrain should be avoided. Evaluate wind loaded terrain before committing to it.
Widespread wind slabs formed last week during the transition to arctic air.  The bond of these slabs continues to improve with field tests giving resistant results.  Steeper cross loaded and unsupported terrain features should be avoided.&nbsp;
Thin, fresh, soft windslab resides on top of hard slab formed when arctic air moved in. Depending on location the hard slab may be just at ridge top or extend further down slope.
Thin, stubborn windslabs on the surface hide the hard windslabs formed by the cold Arctic air moving in. The hard slabs are prevalent near ridge tops or further downslope in valleys that acted as a wind funnel for the cold air flow.
Hard wind slabs are prevalent near ridge-crests or in alpine cross-loaded features. The biggest concern with these hard slabs would be cutting a small pocket and riding it over steep, unforgiving terrain.
Hard wind slabs are prevalent near ridge-crests or in alpine cross-loaded features. The biggest concern with these hard slabs would be cutting a small pocket and riding it over steep, unforgiving terrain.
Fresh wind slabs are prevalent near ridge-crests or in alpine cross-loaded features and reactive where unsupported.&nbsp; The biggest concern with these would be cutting a small pocket and riding it over steep, unforgiving terrain.
Fresh wind slabs are prevalent near ridge-crests or in alpine cross-loaded features and reactive where unsupported. The biggest concern with these would be cutting a small pocket and riding it over steep, unforgiving terrain.
Freshly formed windslabs brought on by moderate S'ly winds and light snowfall should be watched for in the immediate lee of ridges and alpine terrain features.  These slabs will hide hard slabs formed during the arctic high pressure.
With ~80cm of light new snow available for transport, sustained SW winds will have loaded lee slopes.  In windloaded areas, deeper slabs are expected to bond poorly to the facetted snow beneath it. Avoid slopes that have been loaded by wind.
Lots of light new snow and sustained SW winds will have loaded lee slopes forming stiffer slabs. Wind slabs are poorly bonded to facetted snow below. A field team confirmed that these slabs were touchy around ridges and in areas of cornice growth.
Strong SW winds during the last storm loaded lee slops and formed stiffer slabs. Wind slabs are poorly bonded to facetted snow below. A field team confirmed that these slabs were touchy around ridges and in areas of cornice growth.
Moderate to strong SW winds during this past week's storm formed soft slabs on lee features.  Field tests Thursday confirmed the slabs were reactive to skier loads around ridges.  These slabs may be hidden by Friday's snowfall.
Strong SW wind during last week's storm formed windslab in the immediate lee of ridges and cross loaded features. Field tests Thursday confirmed the slabs could be reactive to skier loads around ridges.These slabs may be hidden by Friday's snowfall.
Up to 30cm of snow fell in the last 24hrs at treeline with another 15-25 expected today &amp; tonight. This new snow combined with mod gusting strong S winds has built a fresh reactive windslab in the Alpine that has potential to propagate widely.
50cm of storm snow in 48hrs. The snowfall has been accompanied by moderate gusting to strong S winds has built a fresh reactive windslab in the alpine that has potential for wide propagation.
Moderate to strong winds have created wind slabs on all aspects, most reactive in the Alpine. These hidden slabs could be hiding under the new storm snow and have the potential to step down to deeper storm slabs
Moderate to strong winds, first from the S Friday and now from the N-NE, have redistributed 60cm+ of recent storm snow. Dec18 Facet interface down 80cm  is a major feature of the snowpack and should not be discounted in your evaluation.
Christmas holiday storm snow has been redistributed first by strong S'ly winds last week now by N-E mod-strong winds. Watch for reverse loading on exposed terrain in the alpine and at treeline. Look for the Dec 18th layer and stay off convexities.
">There is continued potential for skiers/boarders to trigger wind slabs in exposed areas at treeline/alpine elevations. These may step down to persistent weak layers. Fresh wind slabs on southerly aspects appear to be more reactive.
">Widespread windslabs exist in exposed areas. These windslabs exist in unusual areas due to reverse loading by strong N'ly winds. Be especially cautious in areas where the consequences of even a small avalanche would be serious, such as over cliffs.
">Widespread, touchy windslabs exist in exposed areas. These windslabs exist in unusual areas due to reverse loading by strong N'ly winds. Be especially cautious where the consequences of even a small avalanche would be serious, such as over cliffs.
">Widespread, touchy wind slabs exist in exposed areas. These wind slabs exist in unusual areas due to reverse loading by strong N winds. Be especially cautious where the consequences of even a small avalanche would be serious, such as over cliffs.
">Previous reverse loading has left behind wind slabs and firm wind pressed snow in the Alpine and at Tree line. Most of the skier triggered avalanches reported have been on Southerly aspects in shallow areas of the Alpine.
Reverse loading has left behind windslab and wind pressed snow in the alpine and at treeline.  Most of the skier triggered avalanches have been on Southerly aspects in shallow areas in the alpine.
Windslab and wind effected snow is widespread from reverse loading winds over Christmas holidays. Pockets of slab reside on the Dec 26th surface hoar layer. Most recent skier triggered slides have been on S'ly aspects in shallow areas in the alpine.
Overnight winds will have whipped the new snow around and created reactive soft slabs in alpine and tree-line lee features. These new slabs sit on old, widespread windslabs, which hide spotty surface hoar.
Stubborn windslabs are present in alpine lee features (ridge-crests, cross-loading gullies). These new slabs sit on old, widespread windslabs, which hide spotty surface hoar.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Stubborn windslabs are present on alpine features (ridge-crests, cross-loading gullies). These new slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.
Stubborn windslabs exist on alpine features(ridge-crests, cross-loading gullies) from mod SW winds. These slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.
Stubborn windslabs exist on alpine features(ridge-crests, cross-loading gullies) from mod SW winds. These slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Thin stiff windslabs exist along ridge crests and cross loaded features formed by moderate SW winds. These slabs are variable in distribution so take time to assess slopes independently. Avoid convex rolls and unsupported terrain.
Thin stiff windslabs exist along ridge crests and cross loaded features formed by moderate SW winds. These slabs are variable in distribution so take time to assess slopes independently. Avoid convex rolls and unsupported terrain.
This new snow buries, potentially hiding, an old variable windslab that can still be reactive. These slabs are variable in distribution so take time to assess slopes independently.
Wind slabs are present at ridge-top and on cross-loaded alpine features. They overlay a variety of old surfaces, from facets to surface hoar to old wind slabs. They are most reactive in shallow, thin snowpack areas.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlay a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlie a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlie a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They sit atop a variety of surfaces and are most concerning on steep terrain where the consequences of even a small avalanche are high.
Wind slabs exist at ridge-top and on cross-loaded alpine and treeline features.  Given the right location they may be triggered by skiers.  They are of most concern in high consequence locations such as steep terrain.
Wind slabs exist at ridge-top and on cross-loaded alpine and treeline features. Given the right location they may be triggered by skiers. They are of most concern in high consequence locations such as steep terrain.
Newly formed wind slabs from the recent strong wind event have had minimal time to start bonding. Below ridge crests, cross-loaded features and any wind loaded area are suspect for human triggering.
Recent windloading has created windslab on all aspects in the alpine. On south and west aspects the windslab will become easier to trigger with solar warming. Evidence of this windslab is widespread, obvious &amp; it will take more time to become stable
Recent windloading has created windslab and fragile cornices in the alpine. The wind slab will be most reactive on convex or unsupported rolls. On south and west aspects the windslab will become easier to trigger with solar warming.
Previous strong to extreme winds left behind a variety of surface conditions, from hard wind slabs to complete scouring near ridge crests. Wind slabs will be most reactive on lee terrain features or cross loaded areas.
Expect widespread sensitive windslab in exposed terrain at and above treeline. The slab will be hidden by last night's storm snow making it harder to detect. These slabs reside on a variety of weak surfaces and are susceptible to human triggering.
Wind and storm slabs have produced many avalanches of late, up to size 3.5! Storm slabs were hair triggered yesterday on the west end of the park averaging size 1.5 at and below TL. Saturday a wind slab was triggered on a solar asp sliding on a crust 
N'ly winds at ridgetop, and downflow winds in valley bottoms and drainages have changed the landscape, forming drifts and windslabs in unusual places. Be especially cautious on S'ly aspects where reverse loading has formed windslabs on a suncrust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
N'ly winds at ridgetop, and downflow winds in drainages have changed the landscape, forming windslabs in unusual places. Be especially cautious on S'ly aspects where reverse loading has formed windslabs on a suncrust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Moderate S-SW winds were moving snow along alpine ridges yesterday. Expect fresh windslab along the immediate lee of alpine wind exposed features.
Moderate S-SW winds continue to load lee slopes in the alpine. They are most likely to exist on N'ly aspects in the alpine where you might be hunting for dry snow. Watch for touchy windslabs along the immediate lee of alpine wind exposed features.
Strong southerly winds (up to 84km/h) blew throughout the overnight period creating touchy wind slabs on northerly aspects and exposed areas above tree line.
Strong southerly winds (up to 84km/h) blew yesterday creating touchy wind slabs on northerly aspects and exposed areas above tree line.
Strong southerly winds from 2 days ago created wind slabs on northerly aspects and exposed areas above tree line. These are settling and bonding to the upper snowpack, but need careful consideration as you first enter the slope at the top.
Strong S winds from several days ago left wind slabs at ridge-top and on exposed alpine features. These are bonding to the upper snowpack but are still reactive on unsupported features. Brief sunny breaks may wake up these slabs on the buried crusts.
Last week's strong S winds have left wind slabs at ridge top and on wind exposed terrain. The slabs appear to be bonding to the upper snowpack but may still be reactive on unsupported features. These slabs will be hidden by recent snowfall.
Freshly formed soft windslab can be expected along the immediate lee of ridge lines and alpine cross winded features.
Freshly formed soft wind slabs can be expected along the immediate lee of ridge lines and alpine cross winded features.
Soft wind slabs can be expected along the immediate lee of ridge lines and alpine cross winded features.
Visible wind transport observed this morning from an overnight spike in winds has created fresh windslab along the immediate lee of ridge lines and alpine cross loaded features.
Moderate winds from the South yesterday have switched to more Northerly this morning.  Expect windslab to be present on both aspects and use caution as you transition to ridge top or mid slope lee features.
Mod winds out of the south and recently out of the north have likely formed wind slabs below ridge crests on all aspects.
Recent winds have been shifting from S'ly to N'ly, forming pockets of windslab in unusual places. If triggered they are likely to be small, but occur in the type of terrain where a fall caused by even a small avalanche could have high consequences.
New snow and continued wind-transport have added to the wind slab problem. There have been close calls recently, and although likely to be small, wind slabs are most likely in terrain where a fall caused by an avalanche could have high consequences.
Strong South winds during the storm creating widespread wind slab in the alpine and fresh cornices at ridgetop.  Exercise caution as you approach ridgetop or convex rolls and be aware of any other groups above you.
Strong S winds during the storm created widespread wind slab in the alpine and fresh cornice at ridge top. Be vigilant when approaching ridgelines and avoid convex features.
Moderate to strong S winds have continued to transport snow at upper elevations forming soft slabs along the immediate lee of ridges and cross winded features.  These may be sensitive to human triggering.
Moderate to strong S winds transported snow at upper elevations forming soft slabs along the immediate lee of ridges and cross winded features. Skiers were able to trigger wind slabs on immediate lee features yesterday.
With a lot of new snow available for transport and winds shifting directions, expect wind-slabs to have formed in many areas. If triggered they may step down to deeper layers. Overloaded cornices have been failing and triggering very large avalanches
Strong winds overnight have continued to transport new snow to lee features above treeline. Newly formed wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered. 
Recent winds overnight have formed isolated wind slabs on lee features above treeline. Wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered.
Moderate winds and 10-15 cm of new snow have formed isolated wind slabs on lee features above treeline. Wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered.
Moderate winds and 10-15 cm of new snow have formed isolated wind slabs on lee features in the alpine. Wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered.
The weekend's storm snow has been redistributed into widespread wind slabs in the alpine and open tree-line features. These slabs were reactive to light loads yesterday and will need time to bond to the underlying interface.
Last weekend's storm snow has been redistributed into widespread soft windslab in the alpine down to treeline. These slabs need time to bond to the old snow surface. They may prove more reactive with prolonged solar input.
SW winds continue to redistribute snow onto alpine lee slopes forming soft slab. Look for soft slab in the immediate lee of ridges and crossloaded features. Light surface wind effect is widespread above treeline.
Moderate gusting to strong winds from the NE this morning and last night are building wind slabs in the alpine and at the upper end of treeline. Winds are forecast to switch today to the SW and stay in the moderate range.
Winds have switched around to the SW and are building and redistributing surface wind slabs in alpine and tree-line lee features. These slabs may be quite sensitive to trigger if they sit upon a firm sun or temperature crust.
Winds have switched around to the SW and are redistributing snow and building wind slabs in alpine and tree-line lee features. These slabs may be quite sensitive to trigger if they sit upon a firm sun or temperature crust.
25cm of new snow buried the 3cm thick &quot;halloween crust&quot;, and was redistributed by NE winds. Expect thicker, and stiffer, pockets of snow to exist in areas reverse and cross-loaded by winds. These may become increasingly reactive as temperatures warm.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> Last week's strong winds scoured the upper snowpack and or pressed the new snow into a unreactive wind slab. Watch for rising temperatures today and newly formed wind slabs this afternoon. A new </span><a href="https://www.mountainconditions.com/reports/shrapled" target="_blank"><span class="s_9255B882">mountain conditions </span></a><span class="s_AA239A9B">update was also recently posted.
Extreme southerly winds accompanied yesterday's storm and created reactive wind slabs. This problem is specific to the alpine due to intense rainfall and warmer temps at lower elevations during the storm.
Extreme southerly winds accompanied the November 22nd storm and created reactive wind slabs. This problem is isolated to leeward pockets in the alpine due to intense rainfall and warmer temps at lower elevations during the storm.
Strong to extreme southerly winds overnight have significantly redistributed the snow in the alpine and at treeline. These fresh windslabs will be easily triggered by riders.
Successive waves of precipitation have arrived with strong southerly winds in the alpine. The storm snow seems to be bonding well to an existing crust (Nov. 26), but pockets of wind slab remain a concern. Human triggering of wind slabs is possible.
50cm of low density storm snow is been redistributed by moderate winds in the alpine and exposed areas at treeline. Winds have been variable over the past several days but the predominate flow is now from the NW, moderate gusting to strong at times.
50cm of low-density storm snow is been redistributed by moderate winds in the alpine and exposed areas at treeline. Wind slabs have been quite variable and will be most volatile on unsupported, convex terrain features.
Last week's storm snow has been redistributed by moderate winds at and above treeline. These slabs may become more reactive with solar input and rising freezing levels.
Moderate gusting to strong N-NE winds have been forming reverse loaded windslab in wind exposed areas at and above treeline.  These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
Mod gusting to strong N-NE winds Tuesday formed reverse loaded windslab in wind exposed areas at and above treeline. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
20-40km/hr N-NE winds are forming reverse loaded wind slab in wind exposed areas at and above tree line. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
Moderate variable winds are forming reverse loaded wind slabs in wind exposed areas in the Alpine and at tree line. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
15-35km/hr variable winds are forming pockets of wind slab in exposed areas in the alpine and at tree line. These slabs may have surface hoar or crust underneath, leading them to be sensitive to human triggering.
Recent variable winds formed pockets of wind slab in the alpine and exposed areas at tree line on all aspects. These slabs may have surface hoar or crust underneath, leading them to be sensitive to human triggering.
Variable winds formed pockets of wind slab in the alpine and exposed areas at tree line on all aspects. These slabs may have surface hoar or crust underneath, leading them to be sensitive to human triggering.
Variable winds formed pockets of wind slab in the alpine and exposed areas at tree line on all aspects. These slabs may have surface hoar or crust underneath, leading them to be sensitive to human triggering.
Variable winds formed wind slab in the alpine and exposed areas at tree line on all aspects. These slabs may have surface hoar or crust underneath, small lenses may be sensitive to human triggering.
Recent moderate southerly winds have redistributed storm snow into wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Previous moderate southerly winds have redistributed storm snow into pockets of wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Moderate southerly winds have redistributed storm snow into pockets of wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Recent mod to strong N'ly winds followed by strong S'ly winds have formed winds slab in the alpine and exposed treeline locations. These winds have also contributed to large cornice development. The windslab may be susceptible to human triggering.
Significant snowfall and recent strong winds have formed winds slab in the alpine and exposed treeline.
15 hrs of strong N-NE winds have formed reverse loaded windslab at and above treeline. Natural and skier triggered avalanches are expected from this ongoing loading. Avoid exposing yourself to overhead hazard.
20 hrs of strong N-NE winds have formed reverse loaded windslab at and above treeline. Natural slab avalanches to size 2 have been randomly occurring many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Previous strong N-NE winds have formed reverse loaded windslab at and above treeline. Windslab avalanches to size 2.5 have been triggered by skiers or failing naturally. Avoid exposing yourself to overhead hazard.
Previous strong northerly winds have formed reverse loaded windslab at and above treeline. Windslab avalanches up to size 2.5 have been triggered by skiers or failing naturally. Avoid exposing yourself to overhead hazard.
Previous strong northerly winds have formed reverse loaded windslab at and above treeline. Windslab avalanches up to size 2.5 have been triggered by skiers or failing naturally over the past week.
Previous strong northerly and recent moderate southerly winds formed windslab in the alpine and treeline. Natural slab avalanches to size 2 occurred earlier this week, many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Previous strong northerly and recent moderate southerly winds formed windslab in the alpine and treeline. Natural slab avalanches to size 2 occurred earlier this week, many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Incremental snow fall amounts and recent moderate, gusting to strong southerly winds have created pockets of wind slab in the alpine and exposed areas at tree line.
Low density snow and recent moderate southerly winds have created pockets of wind slab in the alpine and exposed areas at tree line, which overlies a facet layer. Caution is warranted at ridge-top, in cross loaded features and on convex rolls.
Moderate winds have created pockets of wind slab in the alpine and exposed areas at tree line. In the alpine, the wind slab is poorly bonded to buried facets and a crust on solar aspects. Due to shifting winds, slabs can be found on all aspects.
Strong south winds and recent storm snow have created wind slabs. Expect these slabs to be most reactive at ridgetop or in steep unsupported terrain. Today is forecast to be sunny and the strong solar radiation to make the windslab more reactive.
Strong south winds and recent storm snow have created wind slabs. Expect these slabs to be most reactive at ridgetop or in steep unsupported terrain. Today is forecast to be sunny and the strong solar radiation to make the windslab more reactive.
Strong south winds and recent storm snow have created isolated wind slabs. Expect to find pockets of windslab in the immediate lee of ridges and crossloaded features in the alpine.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Previous strong south winds created pockets of isolated wind slab in the immediate lee of ridges and crossloaded features in the alpine.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Recent snow and variable moderate winds may have built pockets of wind slab and would be most problematic where it's sitting on a crust or surface hoar.
Strong southerly winds contributed to a natural avalanche cycle this morning. Lingering windslabs are present on most aspects in the alpine. Windslabs are likely to propagate where they overlie buried curst on solar aspects and isolated surface hoar.
Lingering wind slabs are present on most aspects in the alpine. These slabs are most easily triggered on convex, unsupported terrain. Wind slabs are likely to propagate where they overlie a buried curst on solar aspects and isolated surface hoar.
Lingering wind slabs are present on most aspects in the alpine. These slabs are most easily triggered on convex, unsupported terrain. Wind slabs are likely to propagate where they overlie a buried curst on solar aspects and isolated surface hoar.
Variable strong winds have blown the recent storm snow around and loaded all aspects in the alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with strong solar heating.
Previous strong variable winds have blown the recent storm snow around and loaded lee features in the Alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with solar heating.
Previous strong variable winds have blown the storm snow around and loaded lee features in the Alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with solar heating.
Previous strong and variable winds have blown available snow around and loaded lee features tree line and above. While these slabs are fresh they will be susceptible to human triggering, especially in steep, unsupported terrain or with solar heating.
Recent shifting winds have created easily identifiable wind slabs above treeline. More subtle wind loaded pockets exist in lee features and can easily be triggered by skiers. Watch for these pockets around cornices, wind lips and roll overs.
Recent shifting winds have created wind slabs above treeline. More subtle wind loaded pockets exist in lee features &amp; can easily be triggered by skiers. Watch for these pockets around cornices, wind lips and roll overs. New snow may hide these slabs
On Tuesday evening winds reached extreme values from the South forming wind slabs. We also have a persistent layer we're tracking down 70-90cm, which is currently dormant but may wake up with a big enough trigger.
Strong SW winds overnight. Expect to see pockets of wind slab on lee features at higher elevation. A persistent layer down 70-90cm is currently dormant but may wake up with a big enough trigger such as a wind slab or cornice triggered avalanche.
Winds picked up yesterday, and there is lots of new snow available for transport. S-SW winds loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes.
Moderate to strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, and soft windslabs on lee slopes. Strong forcast winds will enhance this problem.
Strong S-SW winds have loaded lee slopes, triggering natural avalanches in steep terrain. Expect touchy loaded pockets, cornice development, and soft windslabs on lee slopes.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your pole to feel for these as transitioning into open terrain.
Strong S-SW winds have deposited wind packed snow on various terrain features.  Buried wind slabs have been observed in the park, use your ski pole to feel for these when transitioning into open terrain.
Overnight winds picked up to ideal transport values to form wind slab.  Wind direction has varied from S-SW at treeline to W-NW it mountain top. Lee slopes lower down may not be the same up high.
Sustained overnight winds with an additional load have made conditions more susceptible to windslab. This adds to the heavy snow load we have received in the past week.
Near ridge line, steady moderate to strong winds have created pockets of wind slab, which may be easily triggered by skiers.  Cross loaded features and gullies should also be treated with caution.
Near ridge line, pockets of wind slab persist, and may be triggered by riders. Cross loaded features and gullies should also be treated with caution.
Near ridge line, pockets of wind slab persist, and may be hidden by a covering of storm snow. These slabs can be triggered by riders. Cross loaded features and gullies should also be treated with caution.
Isolated windslabs and windloaded pockets have been buried in the immediate lees of ridgecrests. They are more likely in places where even a small avalanche would have high consequences; steep, complex terrain.
Yesterday, avalanche technicians found thin, touchy windslabs above 2300m that were easily triggerable on convex, unsupported features. They are of most concern where even a small avalanche would have high consequences; steep, complex terrain.
Strong winds overnight and lots of storm snow have created touchy windslabs above 2300m that are easily triggerable on convex, unsupported features. Look for soft slabs at treeline and above, near ridgelines.
Strong winds early this week, combined with 40cm of storm snow have created touchy windslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft slabs at or near ridgelines.
Strong winds early this week, combined with 40cm of storm snow have created touchy softslabs at treeline and alpine elevations that are easily triggerable on convex, unsupported features. Look for soft wind slabs at or near ridgelines.
Spikes in wind speeds in the last 24hrs have created fresh windslabs. Hard slabs exist right at ridgecrests, with soft slabs in the lees. Where they exist, these slabs may be triggered by skiers or riders.
Hard slabs exist right at ridgecrests, with soft slabs in the lees of ridges and ribs of terrain above treeline. These slabs are now shallowly buried and are most likely to be triggered on convex, unsupported terrain features.&nbsp;
The storm snow is forming very soft slabs on lee and crossloaded features. These were easily triggered yesterday on steep slopes, and are now 10cm deeper with overnight snow. These slabs may be more reactive due to a period of strong wind overnight.
Instabilities may linger down 30 to 40cm in the snowpack that were reactive to skier triggering. They are located near ridge tops and on cross loaded terrain features.
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.  A 10cm wind skin overlies a 35 cm thick wind slab.  Cross loaded and windward areas should be treated with caution.
Isolated pockets of wind slab were noted yesterday at and above treeline on wind exposed areas.? A 10cm wind skin overlies a 35 cm thick wind slab.? Cross loaded and windward areas should be treated with caution.  Watch for reverse loading.
Isolated pockets of wind slab can still be found in specific locations near ridge crests and gully features.
Isolated pockets of wind slab can still be found in specific locations near ridge crests and gully features.
Winds picked up last night and are still on the rise. Be aware of&nbsp; the changing snow conditions as you enter more wind exposed terrain.
Steady overnight winds have created wind slabs in wind exposed areas and will react easily to skier triggering.   
Higher elevations saw strong overnight winds creating wind slabs over buried weak layers. 
Higher elevations saw strong overnight winds (up to 70 kph) creating wind slabs over buried weak layers.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees over night at 2000m) are contributing to wind slab development.  Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development.? Lee and cross-winded features (NE aspects) will be most loaded, however all aspects are suspect.
Strong SW winds combined with very mild temperatures in the alpine (0 degrees at 2000m for 2 days) are contributing to wind slab development. Lee and cross-loaded features will be most loaded, however all aspects are suspect.
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex roles.
Sustained southerly winds have been loading lee and cross-loaded slopes and creating touchy windslabs. They have been human triggered, often fracturing above the skier. Be especially cautious approaching breaks in terrain and convex rolls.
Over 24 hours of strong winds at treeline and in the alpine have formed easy to trigger windslabs. Be cautious near ridges or other areas where the wind may have formed slabs. Watch for shooting cracks as a sign for soft slabs.
Strong south winds have come with new snow and are remaining steady. Caution on lee slopes. Previous wind slab is newly buried as is a sun crust on solar aspects.
Reports of wind slab, 20 to 45cm deep, reactive to rider testing yesterday from sustained moderate to strong south winds for the past 3 days. Caution on lee and cross loaded slopes.
Wind loading of storm snow over the past 48 hours has created 20-40 cm thick slabs at and above treeline.  These are thicker on lee aspects, but are also a problem on solar (windward) aspects where they overly a crust.
Winds tapered off overnight, but the slabs that formed previously remain a concern.  Expect pockets of slab in lee features and near ridge crests.  Slabs will be thicker on lee aspects, but persist on solar (S + W) aspects over the Feb. 3 sun crust.
Winds are back in the loading range, and the slabs that formed previously remain a concern. Expect pockets of slab in lee features and near ridge crests. These slabs may sit on a sun crust on S+W aspects.
Steady SW winds have been transporting snow and triggering natural avalanches from steep lee slopes. Isolated pockets of wind slab will have formed immediately below ridgecrests.
High to extreme S. winds have redistributed new snow onto lee slopes, creating hard and soft slabs in all wind affected areas.  At treeline, these slabs rest on a newly formed surface hoar layer (February 12). 
The presence of hard wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.&nbsp; While the nature and extent of these slabs is uncertain, it is wise to watch for them in wind exposed areas.
The presence of wind slabs in the alpine is likely based on the high to extreme winds that affected the area in the past few days.  Expect to find them in wind exposed areas at treeline and in the alpine.
Soft windslabs formed on lee slopes above treeline last week from southerly winds. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on lee slopes above treeline last week from southerly winds. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on the immediate lees of ridges above treeline. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Soft windslabs formed on the immediate lees of ridges above treeline. In wind-affected areas the recent storm snow will be more cohesive. These slabs overlay a touchy surface hoar layer and if triggered, avalanches may propagate widely.
Wind slabs persist in lee loaded features near ridge crests and roll-overs.  These have the potential to step down to the Feb 12 PWL, creating larger avalanches in specific terrain features.
Wind slabs persist in lee loaded features near ridge crests and roll-overs.  These have the potential to step down to the Feb 12 PWL, creating larger avalanches in specific terrain features.
Wind slabs persist in lee loaded features near ridge crests and roll-overs. Strong winds today will rapidly change conditions in the alpine and open areas at treeline today.
Moderate to strong overnight winds with new snow available to be moved by it has created wind slab at the higher elevations. Evidence of wind affect was also seen in open areas below tree line.
New snow has buried previous wind slab in the alpine. Look for a stiffer slab beneath the fresh at higher elevations. Winds are forecast to pick up creating new slabs.
Moderate to strong southerly winds continue to transport snow. This is loading lee slopes, overloading the snowpack and triggering large avalanches, as well as forming windslabs on exposed slopes. These areas will take even more time to stabilize.
Moderate to strong southerly winds continue to transport snow. This is loading lee slopes, overloading the snowpack and triggering large avalanches, as well as forming windslabs on exposed slopes. These areas will take even more time to stabilize.
Moderate to strong southerly winds shifted to NE overnight. Winds have loaded lee slopes, triggered avalanches, built large cornices and formed fat pockets and windslabs on exposed slopes. These areas will take even more time to stabilize.
Wind slabs and large cornices have formed in the alpine.  Cornices are huge and should be given a wide berth.
Sustained southerly winds overnight and 10-15cm of new snow have created wind slabs at higher elevations. Caution to the immediate lee of ridge features.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.
Moderate south winds and new snow available for transport mean that you could expect windslabs on lee terrain above treeline.  Cornices are growing larger.
Isolated wind slabs in the alpine and near ridge crests surprised a few skiers yesterday.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers.  These failures could break down to deeper instabilities.  Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These failures could break down to deeper instabilities. Cornices are very large and unsupported.
Isolated wind slabs in the alpine and near ridge crests have surprised a few skiers. These failures could break down to deeper instabilities. Cornices are very large and unsupported.
40-50cm of storm snow is being transported by variable winds. N'ly winds have reverse loaded solar aspects and may bond poorly where buried sun crusts exist. The wind is also building large, unsupported cornices.
The winds have picked up from the passage of yesterdays storm from the east and the north. Expect south and west aspects to be wind loaded which is not typical of what we normally see in this area.
Surface slabs have stiffened with wind-effect and cooler temperatures. These slabs appear to be touchy and are well within the range of skier-triggering. Northerly winds have reverse-loaded alpine and tree-line lee areas.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off.&nbsp; Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
Strong southerly winds earlier this week, shifted to strong northerly before dropping off. Widespread wind transport created windslabs on all aspects. They likely exist in unusual areas due to the reverse loading and may catch you by surprise.
Strong southerly and northerly winds transported snow to many aspects earlier this week. Watch for windslabs in unusual areas due to reverse loading.
Variable wind slabs in hardness and thickness are now buried under the new snow and will be more difficult to identify. These were observed throughout the park in exposed areas.
Variable hard and soft wind slabs from last week are now buried down 25cm.
Variable soft and hard wind slabs are buried 25-30cm below the surface.
With winds from the SW picking up today and a large amount of light snow to transport, we expect soft slabs to develop in lee features at and above tree-line.
Watch for soft slabs on lee features at and above tree-line. Large amounts of light snow will be transported by SW winds.
Watch of soft slabs on lee features at and above tree-line.  Large amounts of light snow will be transported by SW winds.
Watch for soft slabs on lee features at and above tree-line.  Large amounts of snow are being transported by moderate to strong SW winds.
Strong to extreme SW'ly winds will be forming windslabs and cornices at treeline and above.
We have had strong winds during yesterdays storm leaving us with wind slabs at higher elevations.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed windslabs at treeline and above.
Strong winds throughout the storm, with lots of snow available for transport, have loaded lee slopes and formed wind slabs at treeline and above. Wind slabs may be triggerable; watch for signs like cracking or hollow sounding snow.
Previous strong winds have created wind slabs in lee slopes at treeline and above. Watch for signs of weakness, like cracking and hollow-sounding snow.
Firm, wind deposited snow has formed slabs in exposed terrain.&nbsp; Use caution in lee areas at treeline and above.&nbsp;
Firm, wind deposited snow has formed slabs in exposed terrain. These slabs are now covered by 15 cm of new snow. Use caution in lee areas at treeline and above.
Winds have picked up overnight with lots of snow available for transport. Use extra caution on lee and cross loaded terrain particularly near ridge crests
SW winds yesterday have lots of loose snow available to load onto lee slopes and form soft windslabs above treeline. Pockets of windslab have been reactive to skiers. Use extra caution on lee and cross loaded terrain particularly near ridge crests
Strong SW winds are expected today. They will intensify the rate of loading onto lee slopes and form new windslabs. The new snow will also bury pockets of windslab that have been reactive to skiers in lee and crossloaded terrain.
Conditions are ideal for slab formation; strong SW winds, with mild temperatures are forecast. The strong winds will intensify the rate of loading onto lee slopes, and form new windslabs on lee slopes.&nbsp;
Recent moderate/strong SW winds have loaded lee features at treeline and in the alpine. Stay off wind loaded areas until the slope has had a chance to stabilize.
Strong winds are expected today with lots of snow available to be deposited onto adjacent slopes.
Winds have been steady in the moderate to strong range for the past 24hrs.
Winds associated with this recent snowfall have been strong enough to create wind slabs at higher elevations and in exposed areas below tree line.
Winds associated with the recent snowfall have been strong enough to create slabs in the alpine and exposed areas at and below tree-line. These slabs are concealed by the incremental snowfall of the last few days.
Wind slabs are still reactive to rider triggering in the upper snowpack. Large planar or unsupported slopes should be treated with respect.
Older wind slabs buried on various weak layers linger below all the new snow. These slabs have the potential to fail with the new, heavy load.
Older wind slabs are buried on various weak layers below new storm snow. Use your pole to feel for this firm, wind-deposited snow in exposed areas. These slabs have the potential to fail with the new, heavy load.
Older wind slabs are buried on various weak layers below new storm snow. Use your pole to feel for this firm, wind-deposited snow in exposed areas. These slabs have the potential to fail with the new, heavy load.
Wind slabs at ridge crests and in the alpine from the strong winds during the last storm may still catch a rider off guard.
Winds in the past 24hrs have been strong to extreme with gusts to 130km/h on Mt Macdonald.
The winds associated with the storm yesterday were strong throughout the park at all elevations. Slopes near ridge crests should be treated with caution.  Wind slabs may exists in open areas below tree line above where there's a melt freeze crust.
Strong winds have formed windslabs in open areas at all elevations. In many areas they have formed over lower density snow, which may be triggerable.
Strong winds have formed windslabs in open areas at all elevations. In many areas they formed over lower density snow, which may be triggerable. Be especially cautious in places where even small avalanches can have high consequences, ie over cliffs.
Strong winds formed windslabs at all elevations and on all aspects. These windslabs sit on a low density layer and can be triggered by light loads. Be cautious in areas where even a small avalanche can have large consequences, ie over cliffs.
Strong winds formed wind slabs is exposed terrain at all aspects.  These wind slabs sit on a low density layer.  This layer could possibly be human triggered.  Be cautious in areas where even a small avalanche can have large consequences.
Wind slabs have formed from moderate to strong winds.&nbsp; It is possible a rider could trigger these hard, dense snow deposits.&nbsp; Be cautious in areas where even a small avalanche can have large consequences, i.e. around cliffs.
Wind slabs have been observed throughout the Park at higher elevations. It has been unreactive to snow sliding traffic but there is doubt that this may be the case everywhere. Small pockets may catch you by surprise.
Last weeks storm left us with widespread winds slabs up high. They have been largely unreactive to rider testing however areas they could be triggered are on steep unsupported slopes, slopes nearing ridge crests or on convex rolls.
There may still be a few lingering slab pockets in steeper, unsupported features that could surprise a person. This being said, there has been little activity observed on the surface windslabs,
Thin soft slabs now hide either hard windslab or suncrust. They may not be bonded well, and could be a concern in steep terrain where a slip/fall has a significant consequence (ie cliffs).
Park staff were able to ski-cut small, hard wind slabs in steeper alpine and tree-line terrain yesterday. These pockets moved quickly on the underlying hard surface, and would be a concern in &quot;no-fall&quot; terrain, as they could sweep you over cliffs.
Moderate winds, from variable directions, will transport the new snow, forming slightly deeper soft slabs along ridge crest and breaks in terrain. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Slightly deeper soft slabs may exist along ridge crest and breaks in terrain due to yesterdays winds. These soft slabs will bond poorly to the surfaces below. On exposed alpine slopes they bury hardslabs.
Variable wind slabs are present beneath new snow. Use caution along ridge crests and breaks in terrain. In exposed alpine terrain hard slabs are present.
Old and new variable wind slabs are present at alpine and tree line elevations. It is possible to trigger isolated pockets of wind affected snow on steep roll overs.
Winds have redistributed some of the new snow creating a soft slab that was seen to react to rider triggering. Watch for this are on steep convex rolls with a buried sun crust. Shooting cracks from your ski tips is an indicator of this instability.
Expect to see some wind loading on south and west aspects, not typical of this area. The new snow has not bonded well to the old surfaces and was reactive early this week to rider traffic. People could expect the same but with a stiffer windslab.
Expect to see some thin slabs on S and W aspects in the alpine and exposed tree-line elevations, due to cold Arctic winds blowing from the N and E. These slabs will be stiffer with the cold weather, and have not bonded well to the older surfaces.
Riders are still able to ski-cut thin (5-10cm), hard slabs in lee features. With the reverse loading of N and E winds, slabs can be found on all aspects. While the slabs are likely too thin to bury a person, they could push one over steep terrain.
Thin wind slabs exist in exposed tree-line and alpine lee features on all aspects. It is possible for riders to trigger isolated pockets.
Thin pockets of wind slab are present on exposed treeline and alpine lee features. North and east winds have created reverse loading conditions.
Thin pockets of wind slab are present on exposed treeline and alpine lee features.&nbsp; North and east winds have created reverse loading conditions.
Winds have picked up with lots of light snow available to be pushed around. Expect wind slabs to continue to form at higher elevations as the day progresses.
Winds have picked up from the W/SW and there is 50-60cm of new snow available for transport. Expect wind slabs to continue forming in lee areas at all elevations.
Wind slabs continue to develop in lee features at alpine and tree-line elevations. There is plenty of new snow to feed the wind slab development, so if winds pick up in the area you are skiing, expect the danger level to bump up a notch.
Strong winds in the alpine have redistributed the copious amounts of new snow into very touchy wind slabs. Expect to find extensive cracking and whumphing under your boards where the wind has affected the surface.
Exposed terrain will have wind deposited snow forming slabs.&nbsp; Moderate to strong winds this AM are rapidly loading avalanche start zones.
Winds from the current weather pattern have been steadily in the moderate to strong range. Expect to see more slabby conditions at higher elevations reactive to human triggering.
We had strong winds yesterday morning and there's a concern the associated instabilities still exist up high.
Strong winds overnight from the S-SW will have created surface wind slabs in the alpine and tree-line.
Fresh wind slabs from the previous couple days are evident in open alpine and tree-line elevations. Cracking and whumphing indicate that you have found them!
Winds during the last week have transported the new snow, loading lee slopes and forming cohesive wind slabs. In areas where the snow is more cohesive, triggering of these slabs is likely. If triggered these slabs will likely step down deeper.
Use caution as you transition into exposed terrain.&nbsp; Triggerable wind slabs may be present on lee features.&nbsp; If triggered these slabs may step down to trigger deeper instabilities.
Use caution as you transition into exposed terrain.&nbsp; Triggerable wind slabs may be present on lee features.&nbsp; If triggered these slabs may step down to trigger deeper instabilities.
The recent wind slabs from the latest storm are settling out, but they will be stressed by today's sun and rapid warming. The first couple of hours of intense sun will likely bring activity to this layer.
The surface slabs are settling out and bonding to the older interface, but if the temperatures rise more than forecasted, expect touchy conditions on south and west aspects.
The recent storm snow has been redistributed by winds. The resulting soft slabs sit atop various old surfaces, including crusts on solar aspects and small surface hoar on northerly aspects. The slabs will remain reactive for a couple more days.
Thin, variable slab is present in the alpine and tree-line. It appears to be bonding with the underlying interface, but some pockets in lee features may surprise a person.
Winds have been steady in the 40-50km/h range from the north for the past 48 hours. With lots of snow available to transport, expect windslabs on lee features. A size 2 windslab was triggered by skiers yesterday (see details tab).
Sustained moderate to strong winds shifted from the north to the south yesterday. With lots of snow available to transport, expect widespread and touchy windslabs. A size 2 windslab was triggered by skiers on Monday (see details tab).
New snow was exposed to strong overnight winds. In addition to a developing storm slab, expect a thicker wind slab on leeward micro features and N-NE aspects.&nbsp; These newly formed slabs need time to bond to the old snow surface and will be reactive.
Strong southerly winds during the storm, with lots of low density snow available for transport, will have formed windslabs in lee areas. These deep pockets of windslab may overlie the touchy surface hoar layer.
Strong southerly winds during the storm, with lots of low density snow available for transport, will have formed windslabs in lee areas. These deep pockets of windslab may overlie the touchy surface hoar layer.
Strong and steady overnight winds heave caused wind slab development on lee features. If triggered, winds slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will be touchy today.
Strong and steady winds heave caused soft slab development on all aspects. If triggered, wind slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will continue to be touchy.
Winds slabs have gained critical cohesion and can be triggered by human loads.  Wind slabs may propagate larger than expected on a buried crust up to 2200m. Fragile cornice growth at ridge line will continue to be touchy.
Pockets of wind slab in lee features can be triggered by riders. Wind slabs up to 50cm thick could propagate on a buried crust up to 2200m and surface hoar above that. Cornices are weakening with the temperature swings and are becoming more touchy.
Variable winds have resulted in wind slabs on exposed slopes. Wind slabs up to 50cm thick could propagate on a buried crust or surface hoar. Cornices are becoming more touchy and have triggered deep slabs recently.
Pockets of reactive windslab exist on all aspects due to variable wind directions. These pockets have been reactive to skiers at or near ridge crests, and are increasingly reactive with warm temperatures or when receiving solar radiation.
Pockets of reactive windslab exist on all aspects due to variable wind directions. These pockets have been reactive to skiers at or near ridge crests and are increasingly reactive with warm temperatures.
New moist snow, with strong southerly winds are forming new windslabs in the alpine. They may bond poorly in areas where they overly crusts, or may be hiding deeper old windslabs. Continued warm temps are making the old windslabs more reactive.
New moist snow with strong southerly winds have formed new wind slabs in the alpine. They may bond poorly in areas where they overly crusts, or may be hiding deeper old wind slabs. Continued warm temps are making the old wind slabs more reactive.
Wind slabs were reactive to skiers triggers yesterday.  Continued warm temperatures and a new precipitation will keep this problem primed today.  Widespread wind slabs at higher elevations may now be concealed by 10cm of new snow. 
Sustained strong to extreme overnight winds. Wind slabs were reactive to human triggering prior to this last storm.
Sustained strong to extreme SW winds Saturday night and Moderate N winds last night creating widespread wind slabs which are reactive to human triggering.&nbsp; Expect these slabs to become even more reactive with solar radiation.
Wind slabs created a few days ago remain a concern particularly combined with the warming and solar radiation that we are expected to get today. This is when they tend to become more reactive to human triggering.
Touchy windslabs continue to be reactive to human triggering. They are most likely to be triggered from a convexity and may propagate widely. Recent winds have also added to cornices, which are fragile and if they fail provide a large trigger.
Touchy windslabs continue to be reactive to human triggering. They are most likely to be triggered from a convexity and may propagate widely. The buried windslabs will be harder to identify, and new slabs are forming with the new snow and wind.
Distribution of winds slabs has been spotty but has been found on southerly aspects. Use caution when transitioning into exposed terrain at tree line and in the alpine.
Distribution of winds slabs has been spotty but has been found on southerly aspects. Use caution when transitioning into exposed terrain at tree line and in the alpine.
Strong southerly winds are transporting storm snow and forming wind slabs in exposed areas. When triggered, cohesive wind slabs have the potential for wide propagation where they overlay the Dec 2nd surface hoar.
Expect windslabs on northerly aspects due to the multi hour strong south wind transport. If triggered these slabs have potential for wide propagation on the Dec 2nd SH layer.
Windloading has formed windslabs on alpine and treeline northerly aspects.  In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
Strong S winds formed wind slabs on N aspects in the alpine and tree-line. In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
Strong S winds formed wind slabs on N aspects in the alpine and tree-line. In some locations these slabs will be resting on the Dec 2nd surface hoar layer and will be sensitive to human triggering.
With ~1m of new snow available for transport, strong S winds have formed wind slabs on N aspects in the alpine and tree-line. These pockets of windslab have been reported to be reactive to triggering.
With ~1m of new snow available for transport, strong S winds have formed wind slabs on N aspects in the alpine and tree-line. These pockets of windslab have been reported to be reactive to triggering.
Watch for a developing wind slab in exposed areas as strong westerly winds transport recently fallen snow. Significant loading from wind transport can be expected in lee areas and may be easily triggered by riders.
Watch for a developing wind slab in exposed areas as moderate south westerly winds transport recently fallen snow. Significant loading from wind transport can be expected in lee areas and may be easily triggered by riders.
Moderate S-SW winds are forecast by mid morning this morning. Expect freshly formed windslab on alpine lee features and treeline ridges as moderate winds transport low density storm snow.
Recent winds have been shifting from the S to the N, creating pockets of soft windslab in lee features. Be especially cautious in steep terrain where the consequences of a fall caused by a small pocket of windslab would be serious.
Widespread wind effect observed in the alpine formed by moderate southerly winds Jan 22. Triggerable windslab may be found along alpine and treeline lee features.
Wind effect from the moderate-strong SW winds during the weekend has loaded up lee features in the alpine and tree-line. The sensitivity of these slabs is uncertain without many observations yesterday.
Yesterday's snowfall with moderate SW winds has created soft slabs in the alpine and at tree-line. These hide underlying wind slabs as well. The sensitivity of these slabs is uncertain, but try to avoid lee features that have been freshly loaded.
The new snow hides soft windslabs in the alpine and at tree-line. Yesterday, strong winds triggered windslab avalanches. Winds are expected to increase again today, and with lots of snow available for transport the old windslabs may be overloaded.
The recent storm slab is gaining strength. The exception is in Alpine or at treeline where mod S-SW winds may have created a soft windslab. On lee and exposed features the cohesive slab could be 60cm thick. Slides may step down to deeper weak layers.
The recent storm slab is gaining strength. The exception is Alpine or at treeline where moderate S-SW winds may have created a soft windslab and fresh cornices. On lee and exposed features the cohesive slab could be 60cm thick.
Windslabs exist in some alpine areas, although they may now be hidden by the new snow. Be curious if you are venturing into the alpine; use your pole to probe into the snow and feel for windslabs and look for clues of wind-loading like drifts.
Freshly formed windslabs should be expected on alpine and treeline lee slopes. These slabs will be fragile and sensitive to human and natural triggers. 
Extensive wind effect expected at and above treeline forming widespread wind slab over the low density snow of earlier last week.  These slabs should be suspect and reactive to human triggering.
Thin, touchy wind slabs are likely lurking in the alpine and at tree-line elevations. These will be easier to initiate if sitting on the crust from Tuesday's warm-up.
Widespread wind slabs were observed in the alpine and at tree-line elevations yesterday. These will be easier to trigger if sitting on the crust from Tuesday's warm-up.
20cm of new snow and moderate to strong southerly winds have contributed to loading on lee features. The new snow has also concealed previously developed wind slabs that are easily triggered.
20cm of new snow and moderate to strong southerly winds have contributed to loading on lee features. The new snow has also concealed previously developed wind slabs that are easily triggered.
Strong winds have created windslabs in alpine and treeline areas. Keep your eyes open for windslab.
Strong winds have created windslabs in alpine and treeline areas. Keep your eyes open for windslab.
Consistently moderate to strong winds have created windslabs in alpine and tree-line areas.
Wind slabs were formed during and after the past week's storm. They are starting to gain strength to the underlying surfaces, but are shallow enough to be triggered by skiers/boarders.
Mod to strong S winds Friday night formed windslab on lee features at treeline and alpine elevations. These slabs may be sensitive to triggering and add extra load to storm slab weak layers.
Touchy windslab in the immediate lee of ridgelines and crossloaded features. formed by Friday night's strong S winds.  Sunday's skier triggered slide on Sifton col is a good example.
Touchy windslab in the immediate lee of ridgelines and crossloaded features formed Fri from mod S winds (the skier triggered slide on Sifton col is a good example). This older wind slab is now buried under a new soft Wsl from yesterdays snow and wind
Touchy windslab in the immediate lee of ridgelines and crossloaded features formed Fri from mod S winds (the skier triggered slide on Sifton col is a good example). This older wind slab is now buried under a new soft Wsl from mondays snow and wind
Soft windslab can be found in immediate lee features in the alpine and at tree-line. These slabs are also present on exposed alpine features, like large convex rolls.
Soft windslab can be found in immediate lee features in the alpine and at tree-line. These slabs are also present on exposed alpine features, like large convex rolls. They are becoming more stubborn to trigger.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Moderate gusting to extreme S winds blew for the last 24 hrs have created </span><span class="s_2823317B">windslabs on all aspects at TL and above</span><span class="s_AA239A9B">. This slab has the potential to run far on a supportive crust below and/or if the Feb 27 SH gets involved. </span><span class="s_2823317B">Monitor cornices closely</span><span class="s_AA239A9B">.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Yesterdays moderate, gusting to extreme S winds created </span><span class="s_2823317B">windslabs on all aspects at TL and above</span><span class="s_AA239A9B">. This slab has the potential to run far on a supportive crust below and/or if the Feb 27 SH gets involved. Cornices are ripe aswell, give them wide berth
New snow overnight with mod winds have created soft windslabs on alpine features.&nbsp; If it were to step down this slab has the potential to run far on a supportive crust or if the Feb 27 SH gets involved. Cornices are ripe aswell, give them wide berth
There is lots of new snow available for the sustained S'ly winds to transport. Lee slopes will have deep wind-loaded pockets that may be easily triggered, and if they are have the potential to entrain significant mass with the reactive storm slab.
Ongoing strong southerly winds have created reactive slabs on lee features.&nbsp; Likely locations for these slabs are northerly aspects near ridge line and crossloaded ribs in valleys that channel the winds.
Ongoing strong southerly winds have created reactive slabs on lee features. Likely locations for these slabs are northerly aspects near ridge line and crossloaded ribs in valleys that channel the winds.
Strong southerly winds have formed reactive slabs on lee features. Expect to find these slabs on northerly aspects near ridgline and crossloaded features.
Strong southerly winds have formed sensitive windslab on alpine and treeline lee slopes and crossloaded features.  These remain a concern for human triggering.
Strong southerly winds have formed sensitive windslab on alpine and treeline lee slopes and crossloaded features. These remain a concern for human triggering.
Previous southerly winds created windslab on lee slopes and cross-loaded features. While these slabs are gaining strength they still remain a concern for human triggering.
Wind slabs are widespread and reactive in the alpine and treeline. A skier was partially buried yesterday after triggering a wind slab on a relatively small feature. When triggered in open slopes, wind slabs may step down to deeper persistent layers.
Wind slabs are widespread and reactive in the alpine and treeline. A skier was partially buried on Friday after triggering a wind slab on a relatively small feature. When triggered on open slopes, wind slabs may step down to deeper persistent layers.
Windslabs are widespread and continue to be reactive to human triggering given the right terrain feature. 3 size 1.5 slides were triggered at Balu Pass yesterday.
At ridgecrests and on lee features, pockets of windslab are hidden by 10-20cm of powder. These wind slabs may be triggered by skiers and snowboarders.
Pockets of windslab at ridgecrests and on lee features are buried under low density snow and may be hard to identify.
Fresh windslab has formed with reports of cracking, whumphing and remote triggering possible in surface layers at and above treeline. Human triggering is occurring. Loose dry sluffing will also be an issue to contend with.
Variable gusting winds have created hard wind slabs at ridge top, in exposed areas, and on all aspects. Expect cornices and cross-loaded features lower on slopes to be reactive. Stay observant and approach wind loaded areas carefully.
Moderate to strong winds have created hard windslabs in exposed areas at and above treeline, and on all aspects. Cornices, unsupported features and steep cross-loaded terrain should be avoided. Evaluate wind loaded terrain before committing to it.
Widespread wind slabs formed last week during the transition to arctic air.  The bond of these slabs continues to improve with field tests giving resistant results.  Steeper cross loaded and unsupported terrain features should be avoided.&nbsp;
Thin, fresh, soft windslab resides on top of hard slab formed when arctic air moved in. Depending on location the hard slab may be just at ridge top or extend further down slope.
Thin, stubborn windslabs on the surface hide the hard windslabs formed by the cold Arctic air moving in. The hard slabs are prevalent near ridge tops or further downslope in valleys that acted as a wind funnel for the cold air flow.
Hard wind slabs are prevalent near ridge-crests or in alpine cross-loaded features. The biggest concern with these hard slabs would be cutting a small pocket and riding it over steep, unforgiving terrain.
Hard wind slabs are prevalent near ridge-crests or in alpine cross-loaded features. The biggest concern with these hard slabs would be cutting a small pocket and riding it over steep, unforgiving terrain.
Fresh wind slabs are prevalent near ridge-crests or in alpine cross-loaded features and reactive where unsupported.&nbsp; The biggest concern with these would be cutting a small pocket and riding it over steep, unforgiving terrain.
Fresh wind slabs are prevalent near ridge-crests or in alpine cross-loaded features and reactive where unsupported. The biggest concern with these would be cutting a small pocket and riding it over steep, unforgiving terrain.
Freshly formed windslabs brought on by moderate S'ly winds and light snowfall should be watched for in the immediate lee of ridges and alpine terrain features.  These slabs will hide hard slabs formed during the arctic high pressure.
With ~80cm of light new snow available for transport, sustained SW winds will have loaded lee slopes.  In windloaded areas, deeper slabs are expected to bond poorly to the facetted snow beneath it. Avoid slopes that have been loaded by wind.
Lots of light new snow and sustained SW winds will have loaded lee slopes forming stiffer slabs. Wind slabs are poorly bonded to facetted snow below. A field team confirmed that these slabs were touchy around ridges and in areas of cornice growth.
Strong SW winds during the last storm loaded lee slops and formed stiffer slabs. Wind slabs are poorly bonded to facetted snow below. A field team confirmed that these slabs were touchy around ridges and in areas of cornice growth.
Moderate to strong SW winds during this past week's storm formed soft slabs on lee features.  Field tests Thursday confirmed the slabs were reactive to skier loads around ridges.  These slabs may be hidden by Friday's snowfall.
Strong SW wind during last week's storm formed windslab in the immediate lee of ridges and cross loaded features. Field tests Thursday confirmed the slabs could be reactive to skier loads around ridges.These slabs may be hidden by Friday's snowfall.
Moderate to strong winds have created wind slabs on all aspects, most reactive in the Alpine. These hidden slabs could be hiding under the new storm snow and have the potential to step down to deeper storm slabs
Moderate to strong winds, first from the S Friday and now from the N-NE, have redistributed 60cm+ of recent storm snow. Dec18 Facet interface down 80cm  is a major feature of the snowpack and should not be discounted in your evaluation.
Christmas holiday storm snow has been redistributed first by strong S'ly winds last week now by N-E mod-strong winds. Watch for reverse loading on exposed terrain in the alpine and at treeline. Look for the Dec 18th layer and stay off convexities.
">There is continued potential for skiers/boarders to trigger wind slabs in exposed areas at treeline/alpine elevations. These may step down to persistent weak layers. Fresh wind slabs on southerly aspects appear to be more reactive.
">Widespread windslabs exist in exposed areas. These windslabs exist in unusual areas due to reverse loading by strong N'ly winds. Be especially cautious in areas where the consequences of even a small avalanche would be serious, such as over cliffs.
">Widespread, touchy windslabs exist in exposed areas. These windslabs exist in unusual areas due to reverse loading by strong N'ly winds. Be especially cautious where the consequences of even a small avalanche would be serious, such as over cliffs.
">Widespread, touchy wind slabs exist in exposed areas. These wind slabs exist in unusual areas due to reverse loading by strong N winds. Be especially cautious where the consequences of even a small avalanche would be serious, such as over cliffs.
">Previous reverse loading has left behind wind slabs and firm wind pressed snow in the Alpine and at Tree line. Most of the skier triggered avalanches reported have been on Southerly aspects in shallow areas of the Alpine.
Reverse loading has left behind windslab and wind pressed snow in the alpine and at treeline.  Most of the skier triggered avalanches have been on Southerly aspects in shallow areas in the alpine.
Windslab and wind effected snow is widespread from reverse loading winds over Christmas holidays. Pockets of slab reside on the Dec 26th surface hoar layer. Most recent skier triggered slides have been on S'ly aspects in shallow areas in the alpine.
Overnight winds will have whipped the new snow around and created reactive soft slabs in alpine and tree-line lee features. These new slabs sit on old, widespread windslabs, which hide spotty surface hoar.
Stubborn windslabs are present in alpine lee features (ridge-crests, cross-loading gullies). These new slabs sit on old, widespread windslabs, which hide spotty surface hoar.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Stubborn windslabs are present on alpine features (ridge-crests, cross-loading gullies). These new slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.
Stubborn windslabs exist on alpine features(ridge-crests, cross-loading gullies) from mod SW winds. These slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.
Stubborn windslabs exist on alpine features(ridge-crests, cross-loading gullies) from mod SW winds. These slabs are variable in distribution so assess each slope independently. They will be most reactive on convex rolls and in unsupported terrain.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B"> </span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Thin stiff windslabs exist along ridge crests and cross loaded features formed by moderate SW winds. These slabs are variable in distribution so take time to assess slopes independently. Avoid convex rolls and unsupported terrain.
Thin stiff windslabs exist along ridge crests and cross loaded features formed by moderate SW winds. These slabs are variable in distribution so take time to assess slopes independently. Avoid convex rolls and unsupported terrain.
Wind slabs are present at ridge-top and on cross-loaded alpine features. They overlay a variety of old surfaces, from facets to surface hoar to old wind slabs. They are most reactive in shallow, thin snowpack areas.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlay a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlie a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They overlie a variety of surfaces, and are of most concern on steep terrain where the consequences of even a small avalanche are high, such as over cliffs and terrain traps.
Wind slabs exist at ridge-top and on cross-loaded alpine features. They sit atop a variety of surfaces and are most concerning on steep terrain where the consequences of even a small avalanche are high.
Wind slabs exist at ridge-top and on cross-loaded alpine and treeline features.  Given the right location they may be triggered by skiers.  They are of most concern in high consequence locations such as steep terrain.
Wind slabs exist at ridge-top and on cross-loaded alpine and treeline features. Given the right location they may be triggered by skiers. They are of most concern in high consequence locations such as steep terrain.
Newly formed wind slabs from the recent strong wind event have had minimal time to start bonding. Below ridge crests, cross-loaded features and any wind loaded area are suspect for human triggering.
Recent windloading has created windslab on all aspects in the alpine. On south and west aspects the windslab will become easier to trigger with solar warming. Evidence of this windslab is widespread, obvious &amp; it will take more time to become stable
Recent windloading has created windslab and fragile cornices in the alpine. The wind slab will be most reactive on convex or unsupported rolls. On south and west aspects the windslab will become easier to trigger with solar warming.
Previous strong to extreme winds left behind a variety of surface conditions, from hard wind slabs to complete scouring near ridge crests. Wind slabs will be most reactive on lee terrain features or cross loaded areas.
Expect widespread sensitive windslab in exposed terrain at and above treeline. The slab will be hidden by last night's storm snow making it harder to detect. These slabs reside on a variety of weak surfaces and are susceptible to human triggering.
Wind and storm slabs have produced many avalanches of late, up to size 3.5! Storm slabs were hair triggered yesterday on the west end of the park averaging size 1.5 at and below TL. Saturday a wind slab was triggered on a solar asp sliding on a crust 
N'ly winds at ridgetop, and downflow winds in valley bottoms and drainages have changed the landscape, forming drifts and windslabs in unusual places. Be especially cautious on S'ly aspects where reverse loading has formed windslabs on a suncrust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
N'ly winds at ridgetop, and downflow winds in drainages have changed the landscape, forming windslabs in unusual places. Be especially cautious on S'ly aspects where reverse loading has formed windslabs on a suncrust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Moderate S-SW winds were moving snow along alpine ridges yesterday. Expect fresh windslab along the immediate lee of alpine wind exposed features.
Mod winds out of the south and recently out of the north have likely formed wind slabs below ridge crests on all aspects.
New snow and continued wind-transport have added to the wind slab problem. There have been close calls recently, and although likely to be small, wind slabs are most likely in terrain where a fall caused by an avalanche could have high consequences.
Moderate to strong S winds transported snow at upper elevations forming soft slabs along the immediate lee of ridges and cross winded features. Skiers were able to trigger wind slabs on immediate lee features yesterday.
With a lot of new snow available for transport and winds shifting directions, expect wind-slabs to have formed in many areas. If triggered they may step down to deeper layers. Overloaded cornices have been failing and triggering very large avalanches
Strong winds overnight have continued to transport new snow to lee features above treeline. Newly formed wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered. 
Recent winds overnight have formed isolated wind slabs on lee features above treeline. Wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered.
Moderate winds and 10-15 cm of new snow have formed isolated wind slabs on lee features above treeline. Wind slabs may be poorly bonded to last week's storm snow and may step down to deeper layers if triggered.
The weekend's storm snow has been redistributed into widespread wind slabs in the alpine and open tree-line features. These slabs were reactive to light loads yesterday and will need time to bond to the underlying interface.
Last weekend's storm snow has been redistributed into widespread soft windslab in the alpine down to treeline. These slabs need time to bond to the old snow surface. They may prove more reactive with prolonged solar input.
SW winds continue to redistribute snow onto alpine lee slopes forming soft slab. Look for soft slab in the immediate lee of ridges and crossloaded features. Light surface wind effect is widespread above treeline.
Moderate gusting to strong winds from the NE this morning and last night are building wind slabs in the alpine and at the upper end of treeline. Winds are forecast to switch today to the SW and stay in the moderate range.
Winds have switched around to the SW and are building and redistributing surface wind slabs in alpine and tree-line lee features. These slabs may be quite sensitive to trigger if they sit upon a firm sun or temperature crust.
Winds have switched around to the SW and are redistributing snow and building wind slabs in alpine and tree-line lee features. These slabs may be quite sensitive to trigger if they sit upon a firm sun or temperature crust.
25cm of new snow buried the 3cm thick &quot;halloween crust&quot;, and was redistributed by NE winds. Expect thicker, and stiffer, pockets of snow to exist in areas reverse and cross-loaded by winds. These may become increasingly reactive as temperatures warm.
Strong to extreme southerly winds overnight have significantly redistributed the snow in the alpine and at treeline. These fresh windslabs will be easily triggered by riders.
50cm of low density storm snow is been redistributed by moderate winds in the alpine and exposed areas at treeline. Winds have been variable over the past several days but the predominate flow is now from the NW, moderate gusting to strong at times.
50cm of low-density storm snow is been redistributed by moderate winds in the alpine and exposed areas at treeline. Wind slabs have been quite variable and will be most volatile on unsupported, convex terrain features.
Last week's storm snow has been redistributed by moderate winds at and above treeline. These slabs may become more reactive with solar input and rising freezing levels.
Moderate gusting to strong N-NE winds have been forming reverse loaded windslab in wind exposed areas at and above treeline.  These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
Mod gusting to strong N-NE winds Tuesday formed reverse loaded windslab in wind exposed areas at and above treeline. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
20-40km/hr N-NE winds are forming reverse loaded wind slab in wind exposed areas at and above tree line. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
Moderate variable winds are forming reverse loaded wind slabs in wind exposed areas in the Alpine and at tree line. These slabs may have surface hoar or crust underneath leading them to be sensitive to human triggering.
15-35km/hr variable winds are forming pockets of wind slab in exposed areas in the alpine and at tree line. These slabs may have surface hoar or crust underneath, leading them to be sensitive to human triggering.
Variable winds formed wind slab in the alpine and exposed areas at tree line on all aspects. These slabs may have surface hoar or crust underneath, small lenses may be sensitive to human triggering.
Recent moderate southerly winds have redistributed storm snow into wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Previous moderate southerly winds have redistributed storm snow into pockets of wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Moderate southerly winds have redistributed storm snow into pockets of wind slab. The slab will be most sensitive in lee areas at ridge line and exposed areas at tree line. If triggered, the slab could step down to deeper weak layers.
Recent mod to strong N'ly winds followed by strong S'ly winds have formed winds slab in the alpine and exposed treeline locations. These winds have also contributed to large cornice development. The windslab may be susceptible to human triggering.
Significant snowfall and recent strong winds have formed winds slab in the alpine and exposed treeline.
15 hrs of strong N-NE winds have formed reverse loaded windslab at and above treeline. Natural and skier triggered avalanches are expected from this ongoing loading. Avoid exposing yourself to overhead hazard.
20 hrs of strong N-NE winds have formed reverse loaded windslab at and above treeline. Natural slab avalanches to size 2 have been randomly occurring many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Previous strong N-NE winds have formed reverse loaded windslab at and above treeline. Windslab avalanches to size 2.5 have been triggered by skiers or failing naturally. Avoid exposing yourself to overhead hazard.
Previous strong northerly winds have formed reverse loaded windslab at and above treeline. Windslab avalanches up to size 2.5 have been triggered by skiers or failing naturally. Avoid exposing yourself to overhead hazard.
Previous strong northerly winds have formed reverse loaded windslab at and above treeline. Windslab avalanches up to size 2.5 have been triggered by skiers or failing naturally over the past week.
Previous strong northerly and recent moderate southerly winds formed windslab in the alpine and treeline. Natural slab avalanches to size 2 occurred earlier this week, many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Previous strong northerly and recent moderate southerly winds formed windslab in the alpine and treeline. Natural slab avalanches to size 2 occurred earlier this week, many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Incremental snow fall amounts and recent moderate, gusting to strong southerly winds have created pockets of wind slab in the alpine and exposed areas at tree line.
Low density snow and recent moderate southerly winds have created pockets of wind slab in the alpine and exposed areas at tree line, which overlies a facet layer. Caution is warranted at ridge-top, in cross loaded features and on convex rolls.
Moderate winds have created pockets of wind slab in the alpine and exposed areas at tree line. In the alpine, the wind slab is poorly bonded to buried facets and a crust on solar aspects. Due to shifting winds, slabs can be found on all aspects.
Strong south winds and recent storm snow have created wind slabs. Expect these slabs to be most reactive at ridgetop or in steep unsupported terrain. Today is forecast to be sunny and the strong solar radiation to make the windslab more reactive.
Recent snow and variable moderate winds may have built pockets of wind slab and would be most problematic where it's sitting on a crust or surface hoar.
Strong southerly winds contributed to a natural avalanche cycle this morning. Lingering windslabs are present on most aspects in the alpine. Windslabs are likely to propagate where they overlie buried curst on solar aspects and isolated surface hoar.
Lingering wind slabs are present on most aspects in the alpine. These slabs are most easily triggered on convex, unsupported terrain. Wind slabs are likely to propagate where they overlie a buried curst on solar aspects and isolated surface hoar.
Lingering wind slabs are present on most aspects in the alpine. These slabs are most easily triggered on convex, unsupported terrain. Wind slabs are likely to propagate where they overlie a buried curst on solar aspects and isolated surface hoar.
Variable strong winds have blown the recent storm snow around and loaded all aspects in the alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with strong solar heating.
Previous strong variable winds have blown the recent storm snow around and loaded lee features in the Alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with solar heating.
Previous strong variable winds have blown the storm snow around and loaded lee features in the Alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with solar heating.
Previous strong and variable winds have blown available snow around and loaded lee features tree line and above. While these slabs are fresh they will be susceptible to human triggering, especially in steep, unsupported terrain or with solar heating.
Recent shifting winds have created easily identifiable wind slabs above treeline. More subtle wind loaded pockets exist in lee features and can easily be triggered by skiers. Watch for these pockets around cornices, wind lips and roll overs.
Recent shifting winds have created wind slabs above treeline. More subtle wind loaded pockets exist in lee features &amp; can easily be triggered by skiers. Watch for these pockets around cornices, wind lips and roll overs. New snow may hide these slabs
Strong SW winds overnight. Expect to see pockets of wind slab on lee features at higher elevation. A persistent layer down 70-90cm is currently dormant but may wake up with a big enough trigger such as a wind slab or cornice triggered avalanche.
Winds associated with this recent snowfall have been strong enough to create wind slabs at higher elevations and in exposed areas below tree line.
Winds associated with the recent snowfall have been strong enough to create slabs in the alpine and exposed areas at and below tree-line. These slabs are concealed by the incremental snowfall of the last few days.
Wind slabs are still reactive to rider triggering in the upper snowpack. Large planar or unsupported slopes should be treated with respect.
Older wind slabs buried on various weak layers linger below all the new snow. These slabs have the potential to fail with the new, heavy load.
Winds in the past 24hrs have been strong to extreme with gusts to 130km/h on Mt Macdonald.
Strong winds have formed windslabs in open areas at all elevations. In many areas they have formed over lower density snow, which may be triggerable.
Strong winds have formed windslabs in open areas at all elevations. In many areas they formed over lower density snow, which may be triggerable. Be especially cautious in places where even small avalanches can have high consequences, ie over cliffs.
Strong winds formed windslabs at all elevations and on all aspects. These windslabs sit on a low density layer and can be triggered by light loads. Be cautious in areas where even a small avalanche can have large consequences, ie over cliffs.
Strong winds formed wind slabs is exposed terrain at all aspects.  These wind slabs sit on a low density layer.  This layer could possibly be human triggered.  Be cautious in areas where even a small avalanche can have large consequences.
Thin soft slabs now hide either hard windslab or suncrust. They may not be bonded well, and could be a concern in steep terrain where a slip/fall has a significant consequence (ie cliffs).
Expect widespread sensitive windslab in exposed terrain at and above treeline. The slab will be hidden by last night's storm snow making it harder to detect. These slabs reside on a variety of weak surfaces and are susceptible to human triggering.
Wind and storm slabs have produced many avalanches of late, up to size 3.5! Storm slabs were hair triggered yesterday on the west end of the park averaging size 1.5 at and below TL. Saturday a wind slab was triggered on a solar asp sliding on a crust 
N'ly winds at ridgetop, and downflow winds in valley bottoms and drainages have changed the landscape, forming drifts and windslabs in unusual places. Be especially cautious on S'ly aspects where reverse loading has formed windslabs on a suncrust.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
20 hrs of strong N-NE winds have formed reverse loaded windslab at and above treeline. Natural slab avalanches to size 2 have been randomly occurring many triggered by cornice fall. Avoid exposing yourself to overhead hazard.
Variable strong winds have blown the recent storm snow around and loaded all aspects in the alpine. While these slabs are fresh they will be susceptible to human triggering, especially in steep unsupported terrain or with strong solar heating.