Avalanche Forecast
Issued: Nov 27th, 2021 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs.
TRettie,
Avalanche Canada
The incoming storm will result in large avalanches on all aspects. many of which will run full path. If you are heading into the mountains on Sunday you should be very aware of overhead hazard.
Summary
Confidence
Weather Forecast
Saturday night: another storm arriving in the North Columbia region tonight. Freezing levels will rise to 1400m with moderate Southwest winds. Up to 35mm of precipitation is expected.
Sunday: The storm will reach its peak early in the morning. freezing levels will rise to 2000m with strong Southwest winds. An additional 15 to 30mm of precipitation will fall. Flurries for the afternoon.
Monday: Freezing levels will fall slightly to 1600m. light precipitation throughout the day will bring up too 10mm with light to moderate Southwest winds.
Tuesday: Freezing level 1500m and up to 25mm of precipitation. Winds will be moderate to strong from the Southwest.
Avalanche Summary
On Friday the Northern Selkirks experienced a widespread natural avalanche cycle to size 3. Large storm slabs were observed running from steep alpine start zones. Less observations in Monashees but suspect similar avalanche activity.
Snowpack Summary
The storm hitting the region on Saturday night and Sunday morning will create new storm slabs on all aspects.
A mid November rain crust is down 30 to 70cm and exists below 1900m.
Terrain and Travel
- Be careful to keep storm day fever from luring you out into bigger terrain features.
- Use increased caution at all elevations. Storm snow is forming touchy slabs.
Problems
Storm Slabs
Large storm slabs will form on all aspects. Some avalanches will run full path, Keep your head up and be aware of overhead hazard.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Nov 28th, 2021 4:00PM
