Avalanche Forecast
Issued: Nov 12th, 2021 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
Cory Boschman,
Saturday looks like the "Calm before the Storm". A warm weather system will be arriving Saturday night / Sunday morning, and at the time of writing models are predicting anywhere from 30 to 88cm on Sunday and Monday......
Summary
Weather Forecast
Saturday: Mainly cloudy with isolated flurries. Precipitation: Trace. High -7 C. Wind west: 20 km/h gusting to 70 km/h.
Sunday: Snow, heavy at times. Accumulation: 48 cm. Low -8 C, High -1 C. Wind southwest: 20 km/h gusting to 50 km/h.
Monday: Snow, heavy at times. Accumulation: 40 cm. Low -10 C, High -1 C. Wind west: 15 km/h gusting to 45 km/h.
Snowpack Summary
Small amounts of new snow and continuous moderate to strong south west winds have been ongoing for the past week. Alpine and tree-line areas are slowly gaining enough snow for avalanches, particularly in leeward alpine bowls, gullies, and around ridge lines.
Avalanche Summary
There have been isolated reports of smaller wind slabs in alpine features over the past week, but not a lot of people are out in the mountains so take that into account in your decision making.
Confidence
Problems
Wind Slabs
Although still likely small, these avalanches could have severe consequences in extreme terrain or shallow areas.
- Use caution in lee areas. Recent wind loading have created wind slabs.
- Be careful with wind loaded pockets while approaching and climbing ice routes.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood
Expected Size
Valid until: Nov 13th, 2021 4:00PM
