Avalanche Forecast
Issued: Dec 27th, 2023 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
ahanna,
Avalanche Canada
Recent winds have formed wind slabs at all elevations. The freshest, most reactive wind slabs may be found in atypical terrain features in the alpine.
Summary
Confidence
Avalanche Summary
No new avalanches have been reported in the region. Winds slabs likely remain triggerable by humans.
If you head into the backcountry please consider submitting your observations to the Mountain Information Network.
Snowpack Summary
50-70 of recent storm snow has been redistributed by strong southerly winds at all elevations, shifting northeast and continuing to transport snow at upper elevations on Wednesday. Decent snow quality was reported in sheltered areas in this MIN from Whitepass on Tuesday.
The middle and lower snowpack is reported to be well settled, with a thick, well-bonded crust approximately 50 cm above the ground at elevations below 1200 m. Snow depth varies from 75-200 cm through the region.
Weather Summary
Wednesday night
Increasing cloud, flurries up to 5 cm. Moderate to strong northeast ridgetop wind. Treeline temperature around -10 °C.
Thursday
Cloudy with flurries up to 5 cm. Light to moderate southeast wind. Treeline temperature around -11 °C. Possible temperature inversion.
Friday
Cloudy with flurries up to 5 cm. Light to moderate southeast wind. Treeline temperature around -8 °C. Possible temperature inversion.
Saturday
15-30 cm of new snow. Strong southerly wind. Treeline temperature rising to -3 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Recent wind has varied in direction so watch for wind slabs on all aspects.
- Watch for areas of hard wind slab on alpine features.
- Stay off recently wind loaded slopes until they have had a chance to stabilize.
Problems
Wind Slabs
50-70 cm of storm snow and recent shifting winds have formed wind slabs on a variety of aspects. The freshest, most reactive wind slabs may be found in atypical features in the alpine due to reverse-loading by northeast wind.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 28th, 2023 4:00PM
