Avalanche Forecast
Regions: Glacier.
Weather Forecast
Mainly sunny today, the alpine may reach -7 on solar aspects, winds will be light from the NW, and no precipitation. Some clouds will move in tonight, flurries starting tomorrow accompanied by rising freezing levels and SW winds. A low pressure system will move over us later this week, we may see 30-40cm of new snow by Saturday.
Snowpack Summary
Extreme winds over the weekend created wind slabs on specific terrain features in the alpine and treeline. Soft slabs exist at treeline and below as the January 17th surface hoar is being incrementally buried. This layer is now buried 25-45cm, it is most reactive between 1400-1900m, and where it overlies a crust on steep solar aspects.
Avalanche Summary
Extreme winds over the weekend triggered a natural cycle in the HWY corridor to size 3, these avalanches were mainly out of extreme terrain. Reports from the back country included skier accidentals and naturals ranging in size from 1.5 to 2 at and below treeline, failing on the January 17th surface hoar.
Confidence
Due to the number and quality of field observations
Avalanche Problems
Persistent Slabs
Aspects: All aspects.
Elevations: Treeline, Below Treeline.
Likelihood: Possible
Expected Size: 1 - 2
Wind Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 2