Avalanche Forecast
Avalanche Bulletin - Glacier National Park
The best skiing and riding conditions exist on North and East Aspects in the Alpine and Treeline.
Avalanche Problem 1: Storm Slabs
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
Travel and Terrain Advice
- Convex features and steep unsupported slopes will be most prone to triggering.
Avalanche Problem 2: Loose Wet
What Elevation?
Which Slopes?
Chances of Avalanches?
Expected Size?
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.
Travel and Terrain Advice
- Use caution above cliffs where small avalanches may have severe consequences.
Avalanche Summary
Limited natural avalanche activity over the last couple days, except out of very steep unsupported terrain. Another 10cm fell last night which may sluff away easily if overlying a crust.
Snowpack Summary
The snowpack is generally well settled with 15+ cm of new snow on the surface. 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 mountaintop on solar aspects. Below treeline the upper snowpack contains a series of crusts at or near the surface.
Weather Forecast
A mixed bag of weather today with sun, cloud and flurries. The Alpine will reach -5 and the freezing level will rise to 1500m, winds will be light to moderate from the southwest. More of the same can be expected tomorrow and on Thursday we can expect another 10cm and a touch more on Friday as a weak low-pressure system passes over Rogers Pass.
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Minuscule amounts of new snow fell with moderate winds overlying a solid snowpack. A storm slab may be most problematic where it's sitting on a crust and or on a surface hoar on a crust, where exposed to the wind.