Avalanche Forecast
Issued: Dec 11th, 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
Isolated pockets of wind slab may be found in the high alpine on north through east aspects.
The best riding conditions will be found in wind-sheltered terrain.
Summary
Confidence
Moderate
Avalanche Summary
There have been no recent avalanche reports in the region.
If you are going out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).
Snowpack Summary
Newly formed surface hoar may exist in wind-sheltered, open terrain. A thin melt-freeze crust may exist on south-facing slopes.
In the alpine, 20 to 40 cm of snow from last weekend sits above a thin crust. At lower elevations, 10-20 cm of snow sits above a more robust crust. The snow is moist below the crust.
Snow depths at treeline vary across the region. Around 90 cm is reported in the Coquihalla and 60 cm near Manning Park.
Weather Summary
Wednesday Night
Cloudy with clear periods. Treeline temperature -3 °C. Ridgetop wind light with gusts up to 40 km/hr from the south. Freezing level 300 m with a weak temperature inversion.
Thursday
Cloudy with wet flurries 2 to 5 mm. 15 to 30 km/h southeast ridgetop wind. Treeline temperature +1 °C. Freezing level 1400 m.
Friday
Snow at higher elevations and rain 5 to 10 mm. 15 to 45 km/h southeast ridgetop wind. Treeline temperature +1 °C. Freezing level 1400 m.
Saturday
Snow 10 to 20 cm. 15 to 70 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for signs of instability like whumpfing, hollow sounds, shooting cracks, or recent avalanches.
- Be alert to conditions that change with aspect and elevation.
- Seek out sheltered terrain where new snow hasn't been affected by wind.
Problems
Wind Slabs
Wind slabs may be possible to trigger at high elevations where dry snow has been loaded into leeward terrain features.
Aspects: North, North East, East, North West.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 12th, 2024 4:00PM
