Avalanche Forecast
Avalanche Bulletin - Glacier National Park
As the sun comes out today expect the recent new snow to become reactive on solar aspects and the surface crust to break down.
Avalanche Problem 1: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- If triggered loose wet sloughs may step down to deeper layers resulting in larger avalanches.
- Use extra caution on slopes if the snow is moist or wet.
Avalanche Summary
Cloudy skies and cooler temperatures yesterday limited natural avalanche activity. However one low elevation glide crack released on the west end of the park, resulting in a size 2 wet slab. Previously we've seen numerous loose wet avalanches on solar aspects. As slopes get the full effect of the sun expect natural avalanche activity to pick up.
Snowpack Summary
5-10cm of recent moist snow has now frozen into a breakable crust below treeline. Above treeline this new snow remains dry and unconsolidated burying a previous melt freeze crust that extends up to 2300m on all aspects and to mountain top of solar aspects. Cold dry snow may be found on high northerly aspects.
Weather Forecast
Today will be a mostly sunny day with a chance of intermittent clouds and minimal snowfall. Freezing level will reach 1800m and ridgetop winds will remain light. On Sunday through Monday we may see a more unsettled weather as a warm front associated with an Alberta low pressure system may bring snow from the east.
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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