Avalanche Forecast
Issued: Feb 17th, 2025 4:00PM
The alpine rating is Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSheltered terrain is the place to look for good snow.
Thin snowpack areas are the place where a weak layer in the snowpack could trigger an avalanche.
Summary
Confidence
Moderate
Avalanche Summary
No new avalanches have been reported in the past week, but uncertainty remains regarding the early December layer mentioned in the snowpack summary.
If you are traveling in the mountains consider posting to the MIN.
Snowpack Summary
Previous strong wind has created variable snow surfaces in exposed terrain on all aspects and elevations. Ongoing cold temperatures have softened the upper snowpack in sheltered terrain.
A weak layer of facets and a crust from early December is buried 60 to 100 cm deep. This layer exists on all aspects up to 1750 m.
At the highway elevation, the snow is 120 cm deep, and in the alpine exceeds 200 cm.
Weather Summary
Monday Night
Cloudy with 0 to 1 cm of snow. 10 to 20 km/h southeast ridgetop wind. Treeline temperature -10 °C.
Tuesday
Cloudy. 15 to 25 km/h southeast ridgetop wind. Treeline temperature -8 °C.
Wednesday
Mostly cloudy with flurries. 5 to 15 km/h south ridgetop wind. Treeline temperature -8 °C.
Thursday
Cloudy. 0-3cm of snow.20 to 30 km/h south ridgetop wind. Treeline temperature -12 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Avoid shallow snowpack areas, rocky outcrops, and steep terrain where triggering is most likely.
Problems
Persistent Slabs
Although the December weak layer is unlikely to trigger, it remains a concern in steep, rocky, and shallow snowpack areas.
Aspects: All aspects.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Feb 18th, 2025 4:00PM