The sun will be strong again today. Avoid terrain traps, especially below treeline, where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
With no refreeze overnight at 2100m, it will not take long for direct solar radiation to trigger avalanches on sunny aspects.
With no refreeze overnight at 2000m, expect avalanche conditions where the snowpack is soft and isothermal.
With only a gentle refreeze overnight, expect avalanche conditions when daytime heating melts the crust, and the snowpack becomes soft and isothermal. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Rain and heavy wet new snow will cause avalanche triggering in the upper layers of the snow pack. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger. Use caution in terrain with loose unconsolidated snow.
Temperatures at higher elevations are forecast to crest above 0 degrees today. Use caution on solar aspects as radiation intensifies.
There's a cooling trend occurring as our weather pattern changes. The temperature inversion will not be as prominent up high however steep south and west slopes may still see loose avalanches with daytime warming and solar radiation.
Strong solar radiation is expected today. Think about getting off sun exposed slope when the crusts that formed overnight break down. Watch for loose avalanches below cliffs as an indication that things are becoming dangerous.
The April sunshine is strong. If it pokes through the clouds today, expect solar aspects to destabilize quickly, especially at lower elevations.
As freezing levels rise things will become more unstable particularly in steeper terrain and at lower elevations. Snow that is very heavy and creates pin wheels is an indicator that snow stability is decreasing.
With high freezing levels, snow is particularly unstable on steeper terrain and at lower elevations. This heavy snow will pinwheel down the mountain, gathering mass, and is a clear indicator of snow stability decreasing.
Solar radiation could be a factor today, as temperatures are forecast to warm up with light to no wind. Loose avalanches beginning from cliffs and moist snow is an indication of this instability. Be aware of these changes through the day.
Up to 15mm of rain so far and currently 0 degrees at 2000m. Loose avalanches are triggering slabs on deeper instabilities and gouging to ground when they run into tree line.
Temperatures stayed warm overnight. It is presently +3'C at 2000m. Until temperatures fall below freezing, the snowpack will remain weak. Loose avalanches have triggered slabs on deeper instabilities and gouged to ground when they run into tree line.
With rising freezing levels expect wet avalanches at all elevations. The forecast is for clouds, but should the sun emerge watch for natural avalanches from steep solar aspects. Loose avalanches can gain mass and momentum quickly.
Solar radiation will be a factor to consider for the next few days. Manage your groups exposure to sun effected slopes and to the overhead cornice hazard. Watch for loose avalanches off of cliffs as indicators of instabilities.
Solar radiation will be a factor today and for the next few days on sun effected. Watch for loose avalanches off of cliffs and moist snow as indicators of snow instabilities.
5-15cm of snow over a firm surface can be released as loose avalanches with solar effect. Solar radiation today will be strong with clear skies.
5-15cm of snow over a firm surface can be released as loose avalanches with solar effect. Solar radiation today will be strong with clear skies.
A poor overnight re-freeze combined with ongoing warm temperatures and sunshine will continue to destabilize the upper snowpack. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
A widespread loose wet natural avalanche cycle was observed yesterday afternoon. A poor overnight re-freeze combined with ongoing warm temperatures and new precipitation will continue to destabilize the upper snowpack.
Watch for moist snow and loose avalanches originating from cliffs as indications of instability. At lower elevations you can probe with your pole to see how thick the crust is and determine whether it is breaking down with day time warming.
Lower elevations were saturated with rain over the last few days. Loose wet avalanches, gaining more mass than expected, have been easily triggered by backcountry riders in the area. Any solar radiation today will further increase this risk.
Warm overnight temperatures prevented a re-freeze of moist surface snow. Freezing levels will climb to 2900m in Rogers Pass with an alpine high of 5 C. Warm temperatures will quickly weaken the snowpack making loose snow avalanches very likely.
Strong solar radiation is forecast for today. Once the overnight crust breaks down expect more avalanche activity on solar aspects.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening, this is when you want to minimize your groups exposure on slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. When the surface is warming up it's time to minimize your exposure to slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. Probing with your pole can help to assess if the crusts are breaking down; if they are it's time to move into the shade.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">The sun may come out later today. With all the new snow we've had, it won't take much to kick off some loose avalanches on solar aspects.</span><span class="s_AA239
1681A555">The new snow will get a strong dose of sun today and loose avalanches are expected. Once moving, avalanches may dig down into wet snow deeper in the snowpack resulting in large wet avalanches.
With rising temps expect to seethe surface snow becoming moist and running loose, especially from rocky areas &amp; cliffs or South facing slopes. This may be enough of a trigger to step down to weaker layers
With alpine temps inverted and staying above zero overnight expect to see moist surface snow in the alpine and a treeline. if the sun comes out expect loose/wet avalanches from rocky areas &amp; cliffs or South facing slopes.
Intense spring sun coupled with rising freezing levels can trigger loose wet avalanches with the potential to run far. This is a classic &quot;step-down&quot; scenario where a small releases could trigger storm slabs and buried persistent weak layers.
Temps were warm overnight and the weak surface crust will break down quickly. Snow on N-E aspects at higher elevations that previously remained dry will deteriorate with warm temps today. Travel early and be very cautious as the snow becomes moist.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Temps were above zero overnight at all of our weather stations &amp; got up to </span><span class="s_2823317B">+8 at 1900m</span><span class="s_AA239A9B">! Without an overnight freeze the snowpack will lose its strength &amp; </span><span class="s_2823317B">very destructive avalanches are possible</span><span class="s_AA239A9B">. Travel early &amp; </span><span class="s_2823317B">be cautious as the snow becomes moist
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Above freezing overnight temps mean that the snowpack will destabilize quickly once the sun hits a slope. Be very conscious of the aspects you are exposed to; even if you are in the shade the start zone above you may be cooking in the sun.</span><span class="s_28233
A weak temperature inversion last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Warm temps and 3mm of rain last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Prolonged above 0 temps and 3mm of rain yesterday prevented the moist surface snow from refreezing. A treeline profile yesterday showed all temps were above zero &amp; this AM's rain could rapidly destabilize the already weak snowpack.&nbsp;
Lower elevation tests show an isothermal snowpack. While temp's have dropped overnight, brief glimpses of a strong April sun can be enough to trigger loose avalanches. These loose slides have the potential to entrain a lot of mass and be destructive.
The snowpack is generally warm and weak; we have yet to undergo a true melt-freeze cycle due to ongoing warm overnight temps. Strong solar and very warm temps are forecast and loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.  Be especially careful in terrain traps below treeline where even a small slide could bury or push you around.
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
During periods of sun on solar aspects during the heat of the day loose wet avalanches are possible. Minimize your exposure to these slopes. Sometimes loose wet avalanches entrain significant mass and are quite dangerous.
A strong surface crust exists, and with good timing spring &quot;corn&quot; skiing can be had when the surface starts to break down. However, if the crust has completely broken down loose wet avalanches will be easy to trigger and can entrain significant mass.
Warm temps overnight and new snow will insulate the moist upper snowpack at treeline and below. When the sun comes out today, expect avalanche activity to increase on solar asps with potential for wet slabs or glide avalanches.
Solar input and unusually high temperatures are expected to result in loose moist slides on steeper solar aspects today. Larger loose slides have the potential to entrain snow and step down to deeper persistent layers. Don't be caught off guard.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">This is day 2 of a strong </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/20171208%20Inversion.jpg" target="_blank"><span class="s_9255B882">alpine temperature inversion</span></a><span class="s_AA239A9B"> and very little cloud cover at higher elevations. Solar input and warm temps will cause loose slides on steep solar aspects. Larger slides may trigger early-season persistent crust layers.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">The strong </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/20171208%20Inversion.jpg" target="_blank"><span class="s_9255B882">alpine temperature inversion</span></a><span class="s_AA239A9B"> continues bringing above zero temps to the alpine. The warm temps, with a nudge from strong solar input, will cause loose slides on steep S &amp; W aspects.  Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion continues to bring above zero temps to the alpine. The warm temps, with a nudge from strong solar input, can cause loose avalanches on steep S and W aspects. Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion continues to bring above zero temps to the alpine. The warm temps, with a nudge from strong solar input, can cause loose avalanches on steep S and W aspects. Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion kept alpine temperatures near or above zero degrees over night, the snowpack will weaken quickly with the suns effect. A natural avalanche cycle was observed yesterday afternoon from steep, rocky terrain on solar aspects.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Today the new snow will get a blast of strong spring solar radiation. This should trigger a natural cycle of loose wet avalanches on solar aspects, most likely initiated from rock outcrops or dropping snow pillows.
Expect loose wet avalanches to initiate from steep rocky terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure.
Today the snowpack will get the full effect of the sun.  Expect the recent 5-10 cm to become reactive on solar aspects especially around rocks and trees in steep terrain.  As the near surface crust breaks down in the PM we could see bigger avalanches
Moist surface snow ran naturally and was easily triggered by skiers on steeper terrain yesterday. With little overnight recovery below 1900m expect this problem to continue today.
The forecast calls for cloudy with sunny periods. If the sun does decide to make an appearance today solar radiation may initiate loose wet slides on steeper Southerly aspects. Rain possible later today will also destabilize surface layers.
The sun will be strong today.&nbsp; Avoid terrain traps where moist slides could pile up deeply.&nbsp; Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong today.  Avoid terrain traps where moist slides could pile up deeply.  Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong today. Avoid terrain traps where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong again today. Avoid terrain traps, especially below treeline, where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
With no refreeze overnight at 2100m, it will not take long for direct solar radiation to trigger avalanches on sunny aspects.
With no refreeze overnight at 2000m, expect avalanche conditions where the snowpack is soft and isothermal.
With only a gentle refreeze overnight, expect avalanche conditions when daytime heating melts the crust, and the snowpack becomes soft and isothermal. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Rain and heavy wet new snow will cause avalanche triggering in the upper layers of the snow pack. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger. Use caution in terrain with loose unconsolidated snow.
Temperatures at higher elevations are forecast to crest above 0 degrees today. Use caution on solar aspects as radiation intensifies.
Strong solar radiation is expected today. Think about getting off sun exposed slope when the crusts that formed overnight break down. Watch for loose avalanches below cliffs as an indication that things are becoming dangerous.
The April sunshine is strong. If it pokes through the clouds today, expect solar aspects to destabilize quickly, especially at lower elevations.
Low elevation areas may see avalanche activity with the day-time warming, especially if the sun pops out.
If the sun comes out or if there is a rapid un-forecast rise in temperature watch out for loose wet avalanches.
As freezing levels rise things will become more unstable particularly in steeper terrain and at lower elevations. Snow that is very heavy and creates pin wheels is an indicator that snow stability is decreasing.
With high freezing levels, snow is particularly unstable on steeper terrain and at lower elevations. This heavy snow will pinwheel down the mountain, gathering mass, and is a clear indicator of snow stability decreasing.
Be cautious of lower elevation areas that have no crust formation from overnight. Loose avalanches are possible there.
If the sun comes out for prolonged periods today, we will likely see a rapid deterioration of the surface crusts. Start early if you are exposed to solar aspects, especially at lower elevations.
The cloudy skies overnight prevented a decent crust development. Expect lower elevation snow surfaces to be soft, with temp's getting close to isothermal, creating an unstable snowpack.
Warm temperatures and solar inputs will deteriorate snow stability today as avalanche hazard rises in the afternoon.  Watch for terrain above you getting headed through out the day and use safe travel techniques to manage your group.
Intense solar inputs will weaken last nights refreeze quickly and a loose wet cycle will likely start in the early afternoon.
Later in the afternoon, loose moist/wet avalanches may start to come down if the sun is out and there is no cloud cover.
Low elevation areas are relying on a good overnight freeze to keep the snowpack together. There was not a strong freeze last night, so expect the surface crust to break down with light rain and the occasional glimpse of strong April sunshine.
Rain to at least 1900m is saturating and weakening the snow. Below 1600m the wet surface snow will slide easily on buried crusts.
Rain to at least 1900m has weakened the snow. Below 1600m the wet surface snow will slide easily on buried crusts. Small sluffs may pick up snow, gaining mass. Be cautious in confined terrain features, such as gullies.
Solar radiation could be a factor today, as temperatures are forecast to warm up with light to no wind. Loose avalanches beginning from cliffs and moist snow is an indication of this instability. Be aware of these changes through the day.
Up to 11mm of rain so far and currently 0 degrees at 2000m. Loose avalanches may also trigger slabs on deeper instabilities.
Up to 15mm of rain so far and currently 0 degrees at 2000m. Loose avalanches are triggering slabs on deeper instabilities and gouging to ground when they run into tree line.
Temperatures stayed warm overnight. It is presently +3'C at 2000m. Until temperatures fall below freezing, the snowpack will remain weak. Loose avalanches have triggered slabs on deeper instabilities and gouged to ground when they run into tree line.
Recent intense precipitation has fallen as rain at lower elevations. With higher freezing levels, expect that the surface snow will be saturated making loose wet avalanches likely.
Avalanches are easily triggered below 1800m where wet snow runs on a crust. The forecast is for clouds, but should the sun emerge expect natural avalanches from steep solar aspects.&nbsp; Loose avalanches can gain mass and momentum quickly.
With rising freezing levels expect wet avalanches at all elevations. The forecast is for clouds, but should the sun emerge watch for natural avalanches from steep solar aspects. Loose avalanches can gain mass and momentum quickly.
The moisture in the upper snowpack at lower elevations will be a concern to riders until lower level temperatures will remain consistently below freezing to form a solid crust.
Warm temps and strong sun yesterday weakened the surface snow. Temps stayed above 0 to at least treeline and it is now raining lightly. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
At treeline and below warm temps and rain is further weakening the snowpack. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
A poor overnight re-freeze combined with ongoing warm temperatures and sunshine will continue to destabilize the upper snowpack. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
A widespread loose wet natural avalanche cycle was observed yesterday afternoon. A poor overnight re-freeze combined with ongoing warm temperatures and new precipitation will continue to destabilize the upper snowpack.
Watch for moist snow and loose avalanches originating from cliffs as indications of instability. At lower elevations you can probe with your pole to see how thick the crust is and determine whether it is breaking down with day time warming.
Watch for moist snow and loose avalanches originating from cliffs as indications of instability. At lower elevations you can probe with your pole to see how thick the crust is and determine whether it is breaking down with day time warming.
Warm overnight temperatures and ongoing rain continues to weaken the snowpack at lower elevations. Loose wet avalanches are easily triggered by skiers. These avalanches have the potential to run far and fast, especially where buried crusts exist.
Lower elevations were saturated with rain over the last few days. Loose wet avalanches, gaining more mass than expected, have been easily triggered by backcountry riders in the area. Any solar radiation today will further increase this risk.
Warm overnight temperatures prevented a re-freeze of moist surface snow. Freezing levels will climb to 2900m in Rogers Pass with an alpine high of 5 C. Warm temperatures will quickly weaken the snowpack making loose snow avalanches very likely.
Warm temperatures prevented a re-freeze of surface snow. 10mm of rain fell this morning, further destabilizing the upper snowpack. Freezing levels at 2000m and sunshine will increase hazard on solar slopes. These avalanches can run far and fast.
More light rain is expected throughout today as freezing levels rise to near 2400m.
Widespread loose wet avalanches have been occurring in the highway corridor and should be expected in the back country at and below treeline.
Strong solar radiation is forecast for today. Once the overnight crust breaks down expect more avalanche activity on solar aspects.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening, this is when you want to minimize your groups exposure on slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. When the surface is warming up it's time to minimize your exposure to slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. Probing with your pole can help to assess if the crusts are breaking down; if they are it's time to move into the shade.
: Normal;font-weight: normal;font-size: 16px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">The sun may come out later today. With all the new snow we've had, it won't take much to kick off some loose avalanches on solar aspects.</span><span class="s_AA239
1681A555">The new snow will get a strong dose of sun today and loose avalanches are expected. Once moving, avalanches may dig down into wet snow deeper in the snowpack resulting in large wet avalanches.
With rising temps expect to seethe surface snow becoming moist and running loose, especially from rocky areas &amp; cliffs or South facing slopes. This may be enough of a trigger to step down to weaker layers
With alpine temps inverted and staying above zero overnight expect to see moist surface snow in the alpine and a treeline. if the sun comes out expect loose/wet avalanches from rocky areas &amp; cliffs or South facing slopes.
Intense spring sun coupled with rising freezing levels can trigger loose wet avalanches with the potential to run far. This is a classic &quot;step-down&quot; scenario where a small releases could trigger storm slabs and buried persistent weak layers.
There has not been an overnight freeze below tree-line for several days. Expect avalanches to be easy to trigger on steep slopes where moist snow overlies a crust. While unlikely to be large, avalanches will gain mass in gulleys and terrain traps.
There has not been an overnight freeze below tree-line for several days. Expect avalanches to be easy to trigger on steep slopes where moist snow overlies a crust. While unlikely to be large, avalanches will gain mass in gulleys and terrain traps.
The overnight crust will break down rapidly while the strong sunshine beats upon it. Be aware of the sun's effect on the slopes that you are traveling across, especially by late morning and into the afternoon.
Temps were warm overnight and the weak surface crust will break down quickly. Snow on N-E aspects at higher elevations that previously remained dry will deteriorate with warm temps today. Travel early and be very cautious as the snow becomes moist.
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Temps were above zero overnight at all of our weather stations &amp; got up to </span><span class="s_2823317B">+8 at 1900m</span><span class="s_AA239A9B">! Without an overnight freeze the snowpack will lose its strength &amp; </span><span class="s_2823317B">very destructive avalanches are possible</span><span class="s_AA239A9B">. Travel early &amp; </span><span class="s_2823317B">be cautious as the snow becomes moist
ont-weight: bold;font-size: 13px;color: #000000; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">Above freezing overnight temps mean that the snowpack will destabilize quickly once the sun hits a slope. Be very conscious of the aspects you are exposed to; even if you are in the shade the start zone above you may be cooking in the sun.</span><span class="s_28233
A weak temperature inversion last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Warm temps and 3mm of rain last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Prolonged above 0 temps and 3mm of rain yesterday prevented the moist surface snow from refreezing. A treeline profile yesterday showed all temps were above zero &amp; this AM's rain could rapidly destabilize the already weak snowpack.&nbsp;
Lower elevation tests show an isothermal snowpack. While temp's have dropped overnight, brief glimpses of a strong April sun can be enough to trigger loose avalanches. These loose slides have the potential to entrain a lot of mass and be destructive.
The snowpack is generally warm and weak; we have yet to undergo a true melt-freeze cycle due to ongoing warm overnight temps. Strong solar and very warm temps are forecast and loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.  Be especially careful in terrain traps below treeline where even a small slide could bury or push you around.
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
During periods of sun on solar aspects during the heat of the day loose wet avalanches are possible. Minimize your exposure to these slopes. Sometimes loose wet avalanches entrain significant mass and are quite dangerous.
A strong surface crust exists, and with good timing spring &quot;corn&quot; skiing can be had when the surface starts to break down. However, if the crust has completely broken down loose wet avalanches will be easy to trigger and can entrain significant mass.
With up to 50cm of moist snow on the surface, loose wet avalanches are expected today and may be triggered by light loads such as skiers and even tree bombs. Although likely to be small, wet avalanches are powerful and can occur even on small slopes
Spring is here! With daytime or solar warming the upper snowpack is becoming moist in the afternoon.  This moist slab is touchy below 1900m where a crust down 30 is providing a good bed surface for wet avalanches.
Warming temperatures can cause new snow over crusts to quickly become touchy and slide easily as loose wet or moist slab avalanches.
No crust recovery overnight and new snow will insulate the upper snowpack at lower elevations. If the sun comes out today, this problem will reach high into tree line and could trigger wet slabs or glide avalanches.
Warm temps overnight and new snow will insulate the moist upper snowpack at treeline and below. When the sun comes out today, expect avalanche activity to increase on solar asps with potential for wet slabs or glide avalanches.
At treeline and below, rain is saturating the snow that overlies a series of crusts. This wet snow will be easily triggered, is expected to run far on the crust and even if small, wet avalanches are powerful.
At treeline and below, rain has saturated the snow that overlies a series of crusts. Warm overnight temps are keeping the snow weak. This wet snow will be easily triggered and will run far on the crust. Even if small, wet avalanches are powerful.
At treeline and below, rain has saturated the snow that overlies a series of crusts. Warm temps are keeping the snow weak. Today's solar input will increase this hazard. This wet snow will be easily triggered and will run far on the crust.
At treeline and below, rain has saturated the snow that overlies a series of crusts. The refreeze overnight will break down with day-time warming, and solar input will rapidly weaken the crust during sunny periods.
We have observed many loose wet avalanches over the last 24 hours. This trend will continue until the temperatures cool significantly.
Solar input and unusually high temperatures are expected to result in loose moist slides on steeper solar aspects today. Larger loose slides have the potential to entrain snow and step down to deeper persistent layers. Don't be caught off guard.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">This is day 2 of a strong </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/20171208%20Inversion.jpg" target="_blank"><span class="s_9255B882">alpine temperature inversion</span></a><span class="s_AA239A9B"> and very little cloud cover at higher elevations. Solar input and warm temps will cause loose slides on steep solar aspects. Larger slides may trigger early-season persistent crust layers.
ont-weight: normal;font-size: 13px;color: #0000FF;text-decoration: underline; } 
</style><p class="p_CC664AAA"><span class="s_AA239A9B">The strong </span><a id='GoToAdded' href="http://www.pc.gc.ca/apps/links/goto_e.asp?destination=http://data.avalanche.ca/Images/20171208%20Inversion.jpg" target="_blank"><span class="s_9255B882">alpine temperature inversion</span></a><span class="s_AA239A9B"> continues bringing above zero temps to the alpine. The warm temps, with a nudge from strong solar input, will cause loose slides on steep S &amp; W aspects.  Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion continues to bring above zero temps to the alpine. The warm temps, with a nudge from strong solar input, can cause loose avalanches on steep S and W aspects. Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion continues to bring above zero temps to the alpine. The warm temps, with a nudge from strong solar input, can cause loose avalanches on steep S and W aspects. Rock outcrops will heat up fastest with the sun's rays.
A temperature inversion kept alpine temperatures near or above zero degrees over night, the snowpack will weaken quickly with the suns effect. A natural avalanche cycle was observed yesterday afternoon from steep, rocky terrain on solar aspects.</span></p><p class="p_CC664AAA"><span class="s_AA239A9B">
Today the new snow will get a blast of strong spring solar radiation. This should trigger a natural cycle of loose wet avalanches on solar aspects, most likely initiated from rock outcrops or dropping snow pillows.
Expect loose wet avalanches to initiate from steep rocky terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure.
Today the snowpack will get the full effect of the sun.  Expect the recent 5-10 cm to become reactive on solar aspects especially around rocks and trees in steep terrain.  As the near surface crust breaks down in the PM we could see bigger avalanches
Cloud cover today should reduce the chance of loose wet slides on solar aspects. However if the sun does come out expect the recent 5-10 cm of snow to become reactive around rocks and trees on steep solar terrain.
Cloud cover today should reduce the chance of loose wet slides on solar aspects. However if the sun does come out expect the recent 5-10 cm of new snow to become reactive around rocks and trees on steep solar terrain.
Today's high freezing level of 2000m and the possibility of rain at lower elevations will weaken the snowpack and increase the possibility of loose wet avalanches.
Moist surface snow ran naturally and was easily triggered by skiers on steeper terrain yesterday. With little overnight recovery below 1900m expect this problem to continue today.
Expect the moist surface snow to destabilize rapidly as the temperature rises and snow/rain fall amounts increase.
The sun is expected to make an appearance today which will heat up solar aspects quickly and weaken the surface snow, resulting in potential avalanches.
Rising FL and rain could destabilize surface layers resulting in loose moist avalanches. A Moderate re-freeze overnight should have formed a crust well into treeline on all aspects and into the Alpine on Solar aspects after yesterday's warm up.
The forecast calls for cloudy with sunny periods. If the sun does decide to make an appearance today solar radiation may initiate loose wet slides on steeper Southerly aspects. Rain possible later today will also destabilize surface layers.
Loose wet slides can be expected as daytime warming pushes freezing levels upwards of 1800m. Expect surface snow layers to be moist and reactive on convexities and unsupported features treeline and below this afternoon.
The sun will be strong today.&nbsp; Avoid terrain traps where moist slides could pile up deeply.&nbsp; Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong today.  Avoid terrain traps where moist slides could pile up deeply.  Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong today. Avoid terrain traps where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
The sun will be strong again today. Avoid terrain traps, especially below treeline, where moist slides could pile up deeply. Solar triggered avalanches are most likely around exposed rocks and may trigger deeper slabs.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
Warm temps overnight didn't allow much of a freeze. The sun will quickly break down crusts, and solar triggered avalanches are expected. Get an early start and avoid terrain traps, especially below treeline, where moist slides could pile up deeply.
With no refreeze overnight at 2100m, it will not take long for direct solar radiation to trigger avalanches on sunny aspects.
With no refreeze overnight at 2000m, expect avalanche conditions where the snowpack is soft and isothermal.
With only a gentle refreeze overnight, expect avalanche conditions when daytime heating melts the crust, and the snowpack becomes soft and isothermal. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Rain and heavy wet new snow will cause avalanche triggering in the upper layers of the snow pack. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger.
Natural avalanches are possible with the current spring conditions. Avalanches that trigger on a shallow crust can dig deeper into the isothermal snow and get bigger. Use caution in terrain with loose unconsolidated snow.
Strong solar radiation is expected today. Think about getting off sun exposed slope when the crusts that formed overnight break down. Watch for loose avalanches below cliffs as an indication that things are becoming dangerous.
The April sunshine is strong. If it pokes through the clouds today, expect solar aspects to destabilize quickly, especially at lower elevations.
Low elevation areas may see avalanche activity with the day-time warming, especially if the sun pops out.
If the sun comes out or if there is a rapid un-forecast rise in temperature watch out for loose wet avalanches.
As freezing levels rise things will become more unstable particularly in steeper terrain and at lower elevations. Snow that is very heavy and creates pin wheels is an indicator that snow stability is decreasing.
With high freezing levels, snow is particularly unstable on steeper terrain and at lower elevations. This heavy snow will pinwheel down the mountain, gathering mass, and is a clear indicator of snow stability decreasing.
Be cautious of lower elevation areas that have no crust formation from overnight. Loose avalanches are possible there.
If the sun comes out for prolonged periods today, we will likely see a rapid deterioration of the surface crusts. Start early if you are exposed to solar aspects, especially at lower elevations.
The cloudy skies overnight prevented a decent crust development. Expect lower elevation snow surfaces to be soft, with temp's getting close to isothermal, creating an unstable snowpack.
Warm temperatures and solar inputs will deteriorate snow stability today as avalanche hazard rises in the afternoon.  Watch for terrain above you getting headed through out the day and use safe travel techniques to manage your group.
Intense solar inputs will weaken last nights refreeze quickly and a loose wet cycle will likely start in the early afternoon.
Later in the afternoon, loose moist/wet avalanches may start to come down if the sun is out and there is no cloud cover.
Low elevation areas are relying on a good overnight freeze to keep the snowpack together. There was not a strong freeze last night, so expect the surface crust to break down with light rain and the occasional glimpse of strong April sunshine.
Rain to at least 1900m is saturating and weakening the snow. Below 1600m the wet surface snow will slide easily on buried crusts.
Rain to at least 1900m has weakened the snow. Below 1600m the wet surface snow will slide easily on buried crusts. Small sluffs may pick up snow, gaining mass. Be cautious in confined terrain features, such as gullies.
Up to 11mm of rain so far and currently 0 degrees at 2000m. Loose avalanches may also trigger slabs on deeper instabilities.
Up to 15mm of rain so far and currently 0 degrees at 2000m. Loose avalanches are triggering slabs on deeper instabilities and gouging to ground when they run into tree line.
Temperatures stayed warm overnight. It is presently +3'C at 2000m. Until temperatures fall below freezing, the snowpack will remain weak. Loose avalanches have triggered slabs on deeper instabilities and gouged to ground when they run into tree line.
Recent intense precipitation has fallen as rain at lower elevations. With higher freezing levels, expect that the surface snow will be saturated making loose wet avalanches likely.
Small avalanches are easily triggered by skiers below ~1500m where wet snow runs easily on the crust below. Once moving they gain mass until the slope lessens. Although small these wet slides could easily hurt a skier, or bury them in a terrain trap.
Avalanches are easily triggered below 1800m where wet snow runs on a crust. The forecast is for clouds, but should the sun emerge expect natural avalanches from steep solar aspects.&nbsp; Loose avalanches can gain mass and momentum quickly.
With rising freezing levels expect wet avalanches at all elevations. The forecast is for clouds, but should the sun emerge watch for natural avalanches from steep solar aspects. Loose avalanches can gain mass and momentum quickly.
The moisture in the upper snowpack at lower elevations will be a concern to riders until lower level temperatures will remain consistently below freezing to form a solid crust.
Warm temps and strong sun yesterday weakened the surface snow. Temps stayed above 0 to at least treeline and it is now raining lightly. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
At treeline and below warm temps and rain is further weakening the snowpack. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
A poor overnight re-freeze combined with ongoing warm temperatures and sunshine will continue to destabilize the upper snowpack. The weak, moist surface snow may be easily triggered on steep slopes, gaining mass and traveling long distances.
A widespread loose wet natural avalanche cycle was observed yesterday afternoon. A poor overnight re-freeze combined with ongoing warm temperatures and new precipitation will continue to destabilize the upper snowpack.
Watch for moist snow and loose avalanches originating from cliffs as indications of instability. At lower elevations you can probe with your pole to see how thick the crust is and determine whether it is breaking down with day time warming.
Watch for moist snow and loose avalanches originating from cliffs as indications of instability. At lower elevations you can probe with your pole to see how thick the crust is and determine whether it is breaking down with day time warming.
At lower elevations the snowpack is weak and spring like. Warm overnight temperatures have prevented an overnight freeze. If snow turns to rain it will rapidly weaken the snowpack.
At lower elevations the snowpack is weak and spring like. Warm overnight temperatures have prevented a solid overnight freeze. Forecasted rain&nbsp; at lower elevations will rapidly weaken the snowpack.
Warm overnight temperatures and ongoing rain continues to weaken the snowpack at lower elevations. Loose wet avalanches are easily triggered by skiers. These avalanches have the potential to run far and fast, especially where buried crusts exist.
Lower elevations were saturated with rain over the last few days. Loose wet avalanches, gaining more mass than expected, have been easily triggered by backcountry riders in the area. Any solar radiation today will further increase this risk.
Warm overnight temperatures prevented a re-freeze of moist surface snow. Freezing levels will climb to 2900m in Rogers Pass with an alpine high of 5 C. Warm temperatures will quickly weaken the snowpack making loose snow avalanches very likely.
Warm temperatures prevented a re-freeze of surface snow. 10mm of rain fell this morning, further destabilizing the upper snowpack. Freezing levels at 2000m and sunshine will increase hazard on solar slopes. These avalanches can run far and fast.
More rain is expected throughout today as freezing levels rise to near 2000m.
More light rain is expected throughout today as freezing levels rise to near 2400m.
Widespread loose wet avalanches have been occurring in the highway corridor and should be expected in the back country at and below treeline.
Strong solar radiation is forecast for today. Once the overnight crust breaks down expect more avalanche activity on solar aspects.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening, this is when you want to minimize your groups exposure on slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. When the surface is warming up it's time to minimize your exposure to slopes in the sun.
Moistening snow and signs of loose avalanches pouring off cliffs are indications that the upper snowpack is weakening. Probing with your pole can help to assess if the crusts are breaking down; if they are it's time to move into the shade.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B"> </span><span class="s_1681A555">The sun may come out later today. With all the new snow we've had, it won't take much to kick off some loose avalanches on solar aspects.</span><span class="s_AA239
1681A555">The new snow will get a strong dose of sun today and loose avalanches are expected. Once moving, avalanches may dig down into wet snow deeper in the snowpack resulting in large wet avalanches.
With rising temps expect to seethe surface snow becoming moist and running loose, especially from rocky areas &amp; cliffs or South facing slopes. This may be enough of a trigger to step down to weaker layers
Intense spring sun coupled with rising freezing levels can trigger loose wet avalanches with the potential to run far. This is a classic &quot;step-down&quot; scenario where a small releases could trigger storm slabs and buried persistent weak layers.
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</style><p class="p_CC664AAA"><span class="s_2823317B">Temperatures remained warm overnight</span><span class="s_AA239A9B"> not giving the snowpack it's nightly cooling cycle and therefore not regaining it's strength. To add to the problem the 5cm of new snow is acting like a blanket keeping the snowpack warm.
There was little in the way of an overnight freeze below tree-line. Expect the snowpack to feel moist and soft on solar aspects today. Tree bombs could be enough of a trigger to gather up enough mass to bury a person in a terrain traps.
There was little in the way of an overnight freeze below tree-line. Expect the snowpack to feel moist and soft on solar aspects today. Tree bombs could be enough of a trigger to gather up enough mass to bury a person in a terrain traps.
There has not been an overnight freeze below tree-line for several days. Expect avalanches to be easy to trigger on steep slopes where moist snow overlies a crust. While unlikely to be large, avalanches will gain mass in gulleys and terrain traps.
There has not been an overnight freeze below tree-line for several days. Expect avalanches to be easy to trigger on steep slopes where moist snow overlies a crust. While unlikely to be large, avalanches will gain mass in gulleys and terrain traps.
The overnight crust will break down rapidly while the strong sunshine beats upon it. Be aware of the sun's effect on the slopes that you are traveling across, especially by late morning and into the afternoon.
Temps were warm overnight and the weak surface crust will break down quickly. Snow on N-E aspects at higher elevations that previously remained dry will deteriorate with warm temps today. Travel early and be very cautious as the snow becomes moist.
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Temps were above zero overnight at all of our weather stations &amp; got up to </span><span class="s_2823317B">+8 at 1900m</span><span class="s_AA239A9B">! Without an overnight freeze the snowpack will lose its strength &amp; </span><span class="s_2823317B">very destructive avalanches are possible</span><span class="s_AA239A9B">. Travel early &amp; </span><span class="s_2823317B">be cautious as the snow becomes moist
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</style><p class="p_CC664AAA"><span class="s_AA239A9B">Above freezing overnight temps mean that the snowpack will destabilize quickly once the sun hits a slope. Be very conscious of the aspects you are exposed to; even if you are in the shade the start zone above you may be cooking in the sun.</span><span class="s_28233
A weak temperature inversion last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Warm temps and 3mm of rain last night prevented the moist surface snow from refreezing. The upper snowpack will destabilize quickly with daytime warming. If the sun continues to shine today, southern aspects will be particularity vulnerable.
Prolonged above 0 temps and 3mm of rain yesterday prevented the moist surface snow from refreezing. A treeline profile yesterday showed all temps were above zero &amp; this AM's rain could rapidly destabilize the already weak snowpack.&nbsp;
Lower elevation tests show an isothermal snowpack. While temp's have dropped overnight, brief glimpses of a strong April sun can be enough to trigger loose avalanches. These loose slides have the potential to entrain a lot of mass and be destructive.
Lower elevation tests show an isothermal snowpack. The new snow is acting like insulation and is preventing a solid overnight refreeze. If loose slides are triggered, they have the potential to entrain a lot of mass and be destructive.
The snowpack is generally warm and weak; we have yet to undergo a true melt-freeze cycle due to ongoing warm overnight temps. Strong solar and very warm temps are forecast and loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
We have yet to undergo a true melt-freeze cycle due to warm overnight temps and the snowpack is generally weak. It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.
It doesn't take long for the strong solar and very warm temps to break down the weak surface crust. Loose wet avalanches are expected.  Be especially careful in terrain traps below treeline where even a small slide could bury or push you around.
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
It doesn't take long for the strong solar &amp; warm temps to break down the weak surface crust. Loose wet avalanches are expected. Be especially careful on S aspects &amp; in terrain traps below treeline where even small slides could bury or push you around
During periods of sun on solar aspects during the heat of the day loose wet avalanches are possible. Minimize your exposure to these slopes. Sometimes loose wet avalanches entrain significant mass and are quite dangerous.
A strong surface crust exists, and with good timing spring &quot;corn&quot; skiing can be had when the surface starts to break down. However, if the crust has completely broken down loose wet avalanches will be easy to trigger and can entrain significant mass.
With up to 50cm of moist snow on the surface, loose wet avalanches are expected today and may be triggered by light loads such as skiers and even tree bombs. Although likely to be small, wet avalanches are powerful and can occur even on small slopes
With up to 50cm of moist snow on the surface, loose wet avalanches are expected today and may be triggered by light loads such as skiers and even tree bombs. Although likely to be small, wet avalanches are powerful and can occur even on small slopes.
With high freezing levels today and moist snow on the surface, loose wet avalanches are expected today.&nbsp; Although likely to be small, wet avalanches are powerful and can occur even on small slopes.
Recent rain events have saturated the snowpack at lower elevations. Although a thin surface crust formed from last night's cooler temperatures, it does not add enough strength to eliminate the problem of loose wet avalanches below tree line.
Spring is here! With daytime or solar warming the upper snowpack is becoming moist in the afternoon.  This moist slab is touchy below 1900m where a crust down 30 is providing a good bed surface for wet avalanches.
Warming temperatures can cause new snow over crusts to quickly become touchy and slide easily as loose wet or moist slab avalanches.
Warming temperatures can cause new snow over crusts to quickly become touchy and slide easily as loose wet or moist slab avalanches.
No crust recovery overnight and new snow will insulate the upper snowpack at lower elevations. If the sun comes out today, this problem will reach high into tree line and could trigger wet slabs or glide avalanches.
Warm temps overnight and new snow will insulate the moist upper snowpack at treeline and below. When the sun comes out today, expect avalanche activity to increase on solar asps with potential for wet slabs or glide avalanches.
Warm temps yesterday and new snow overnight will insulate the moist upper snowpack. If the precip continues into the afternoon we can expect rain at lower elevations which will increase the potential for wet slabs or glide avalanches.
There was little to no refreeze last night below tree-line. The new snow overnight will insulate the moist upper snowpack at low elevations. Sunny periods today will stress it and increase the potential for wet slabs or glide avalanches.
At treeline and below, rain is saturating the snow that overlies a series of crusts. This wet snow will be easily triggered, is expected to run far on the crust and even if small, wet avalanches are powerful.
At treeline and below, rain has saturated the snow that overlies a series of crusts. Warm overnight temps are keeping the snow weak. This wet snow will be easily triggered and will run far on the crust. Even if small, wet avalanches are powerful.
At treeline and below, rain has saturated the snow that overlies a series of crusts. Warm temps are keeping the snow weak. Today's solar input will increase this hazard. This wet snow will be easily triggered and will run far on the crust.
At treeline and below, rain has saturated the snow that overlies a series of crusts. The refreeze overnight will break down with day-time warming, and solar input will rapidly weaken the crust during sunny periods.
We have observed many loose wet avalanches over the last 24 hours. This trend will continue until the temperatures cool significantly.
Solar input and unusually high temperatures are expected to result in loose moist slides on steeper solar aspects today. Larger loose slides have the potential to entrain snow and step down to deeper persistent layers. Don't be caught off guard.
Today the new snow will get a blast of strong spring solar radiation. This should trigger a natural cycle of loose wet avalanches on solar aspects, most likely initiated from rock outcrops or dropping snow pillows.
Expect loose wet avalanches to initiate from steep rocky terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure. With prolonged warm temps expect cornices to begin failing.
Expect loose wet avalanches to initiate from steep solar terrain. Pay close attention to the effects of the sun on the avalanche terrain above you and avoid overhead exposure.
Lower elevation temperatures have stayed above zero for the past 24hrs with a freezing level up to 1600m today. There is the chance of rain (10-15mm) starting early this afternoon which will weaken the snowpack below tree line.
Lower elevation temperatures have stayed around zero for the past 24hrs and the freezing level should be up to 1700m later today. Forecast sunny periods could quickly weaken surface layers resulting in surface sloughing this afternoon.
Today the snowpack will get the full effect of the sun.  Expect the recent 5-10 cm to become reactive on solar aspects especially around rocks and trees in steep terrain.  As the near surface crust breaks down in the PM we could see bigger avalanches
Cloud cover today should reduce the chance of loose wet slides on solar aspects. However if the sun does come out expect the recent 5-10 cm of snow to become reactive around rocks and trees on steep solar terrain.
Cloud cover today should reduce the chance of loose wet slides on solar aspects. However if the sun does come out expect the recent 5-10 cm of new snow to become reactive around rocks and trees on steep solar terrain.
Rising freezing levels should turn the new snow moist at lower elevations. This new layer will bond well to gentle terrain but slide off easily where it overlies a crust in steep terrain. Loose wet avalanches may also trigger glide avalanches today.
Today's high freezing level of 2000m and the possibility of rain at lower elevations will weaken the snowpack and increase the possibility of loose wet avalanches.
Moist surface snow ran naturally and was easily triggered by skiers on steeper terrain yesterday. With little overnight recovery below 1900m expect this problem to continue today.
Expect the moist surface snow to destabilize rapidly as the temperature rises and snow/rain fall amounts increase.
The sun is expected to make an appearance today which will heat up solar aspects quickly and weaken the surface snow, resulting in potential avalanches.
Rising FL and rain could destabilize surface layers resulting in loose moist avalanches. A Moderate re-freeze overnight should have formed a crust well into treeline on all aspects and into the Alpine on Solar aspects after yesterday's warm up.
The forecast calls for cloudy with sunny periods. If the sun does decide to make an appearance today solar radiation may initiate loose wet slides on steeper Southerly aspects. Rain possible later today will also destabilize surface layers.
Loose wet slides can be expected as daytime warming pushes freezing levels upwards of 1800m. Expect surface snow layers to be moist and reactive on convexities and unsupported features treeline and below this afternoon.
Loose wet slides can be expected as daytime warming and solar radiation pushes freezing levels upwards of 1500m . Expect surface snow layers to be moist and reactive on convexities and unsupported features below treeline this afternoon.