Avalanche Forecast
Issued: Dec 2nd, 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
Monitor surface conditions as you travel, especially as you transition into wind affected terrain
Wind slabs are most reactive during their formation
Summary
Confidence
Moderate
Avalanche Summary
Wind slabs continue to linger in the region, with reports indicating they are stubborn to rider triggering. On Sunday small slabs were triggered on north and east aspects, at treeline and alpine elevations.
We expect continued winds and mild temperatures to build fresh and reactive wind slabs, likely sensitive to human triggers.
Observations remain limited this early in the season. If you head into the backcountry, please post to the Mountain Information Network.
Snowpack Summary
Surface conditions vary from wind affected surfaces in exposed terrain at higher elevations, and settling snow in sheltered areas that may include a layer of surface hoar buried 5 to 10 cm deep. Warmer temperatures will likely affect the surface snow and may produce a crust overnight.
The mid snowpack is generally well settled, with an early November crust buried 50 to 100 cm deep. This layer is understood to be more notable in the Selkirk Mountains.
Snow depths at treeline are roughly 80 to 150 cm, and decrease rapidly at lower elevations.
Weather Summary
Monday Night
Mostly clear skies. 20 to 40 km/h west ridgetop wind. Treeline temperatures around -4 °C.
Tuesday
Mostly sunny. 10 to 30 km/h west/northwest ridgetop wind. The above freezing layer brings treeline temperatures to around 0 °C.
Wednesday
Mostly sunny. 20 to 30 km/h west ridgetop wind. The above freezing layer brings treeline temperatures to around 0 °C.
Thursday
Partly cloudy. 20 to 30 km/h west ridgetop wind. The above freezing layer brings treeline temperatures to around 0 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
- Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
- Seek out sheltered terrain where new snow hasn't been affected by wind.
Problems
Wind Slabs
Look for wind affected snow around ridgelines. The most reactive slabs will likely be found on east and north facing slopes, however older and more stubborn slabs may linger on west facing slopes.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 3rd, 2024 4:00PM
