Avalanche Forecast
Issued: Jan 31st, 2022 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
mconlan,
Avalanche Canada
Recent snow will require some time to bond to the snowpack, particularly where it overlies weak layers.
Summary
Confidence
Moderate - Uncertainty is due to how quickly the snowpack will recover and gain strength.
Weather Forecast
MONDAY NIGHT: Cloudy with snowfall, accumulation 5 to 10 cm, 20 to 30 km/h west wind, alpine temperature -14 C.
TUESDAY: Partly cloudy with no precipitation, 20 to 30 km/h north wind, alpine temperature -20 C.
WEDNESDAY: Increasing clouds with afternoon snowfall, accumulation 1 to 3 cm, 20 to 40 km/h southwest wind, alpine temperature -20 C.
THURSDAY: Cloudy with snowfall, accumulation 5 to 15 cm, 30 to 50 km/h west wind, alpine temperature -12 C.
Avalanche Summary
The recent snow was found to be reactive to riders on Sunday below treeline, generally releasing as sluffing in steep terrain. We await observations from higher elevations with lifting clouds.
Looking forward, human-triggering of avalanches may remain elevated, particularly where the recent snow overlies surface hoar.
Snowpack Summary
The weekend's storm brought around 30 to 40 cm of snow, forming new storm slabs. The snow fell with strong wind from variable wind directions, forming wind slabs in lee terrain features. In areas sheltered from the wind, the snow overlies weak surface hoar crystals, which may also sit above a melt-freeze crust on sun-exposed slopes.
The lower snowpack is generally strong and well-bonded.
Terrain and Travel
- Good day to make conservative terrain choices.
- Potential for wide propagation exists, fresh slabs may rest on surface hoar, facets and/or crust.
- Avoid freshly wind loaded terrain features.
- Make observations and assess conditions continually as you travel.
Problems
Storm Slabs
Around 30 cm of recent snow has formed slabs that are expected to remain reactive to riders. The snow overlies weak surface hoar, faceted grains, or a hard melt-freeze crust. Expect touchy storm slabs in areas sheltered from the wind and wind slabs in exposed terrain at higher elevations.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Feb 1st, 2022 4:00PM
