Avalanche Forecast
Issued: Feb 21st, 2023 4:00PM
The alpine rating is Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeWatch for heightened avalanche conditions at upper elevations where unstable slabs may be found on wind-loaded slopes.
Summary
Confidence
High
Avalanche Summary
There are no new avalanches to report in the past few days.
Snowpack Summary
New snow at upper elevations from the past several days has accumulated over a variety of old surfaces including wind slabs in the alpine and a breakable freezing rain crust between 1100 m and 1600 m.
The mid and lower snowpack is well-settled, strong, and consolidated.
Snowpack depths are reaching 250 cm at treeline.
Weather Summary
Tuesday Night
Mainly cloudy with flurries, accumulation 3-5cm. Light east wind. Treeline temperature -5 °C. Freezing level 400 m.
Wednesday
Mainly cloudy. Light to moderate northwest wind. Treeline temperature -10 °C.
Thursday
Mix of sun and cloud. Moderate east wind. Treeline temperature -12 °C.
Friday
Mix of sun and cloud. Light northwest wind. Treeline temperature -13 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Carefully evaluate steep lines for wind slabs.
- Wind slabs are most reactive during their formation.
Problems
Wind Slabs
Recent snowfall at upper elevations combined with wind switching direction is promoting the formation of new wind slabs on a variety of aspects.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Feb 22nd, 2023 4:00PM