Avalanche Forecast
Issued: Dec 28th, 2024 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Avalanche Canada,
Avalanche Canada
Be alert as you transition into wind-affected terrain.
Wind slabs may be reactive to riders.
Summary
Confidence
Moderate
Avalanche Summary
No new avalanches have been observed in the past few days, but observations are limited.
If you head out in the backcountry, let us know what you are seeing by submitting a MIN report!
Snowpack Summary
Up to 15 cm of recent snowfall exists in sheltered areas. Strong to extreme wind has formed firm, wind-affected surfaces at the treeline and above. Wind slabs may have formed in lee and cross-loaded terrain.
A melt-freeze crust and facets layer exist in the upper snowpack, particularly in south-facing terrain. Recent scouring wind may have left the crust exposed on the surface in some areas.
Snowpack depth varies significantly across the region. Windward slopes may have as little as 50 cm of snow, while leeward slopes could have up to 200 cm.
Weather Summary
Saturday Night
Cloudy with 5 to 10 cm of new snow. 30 to 50 km/h southwest ridgetop wind. Treeline temperature -6 °C.
Sunday
Cloudy with up to 5 cm of new snow. 10 to 20 km/h northeast ridgetop wind. Treeline temperature -5 °C.
Monday
Cloudy with up to 5 cm of new snow. 10 to 20 km/h west ridgetop wind. Treeline temperature -8 °C.
Tuesday
Cloudy with isolated flurries. 20 to 30 km/h southwest ridgetop wind. Treeline temperature -10 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Avoid areas where the snow feels stiff and/or slabby.
- Use ridges or ribs to avoid areas of wind-loaded snow.
- Watch for signs of instability like whumpfing, hollow sounds, shooting cracks, or recent avalanches.
Problems
Wind Slabs
Recent snowfall and wind have formed wind slabs in lee and cross-loaded areas. These slabs may remain sensitive to human triggering on steep, convex and unsupported slopes.
Aspects: North, North East, East, South East, South, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 29th, 2024 4:00PM
