Avalanche Forecast
Issued: Nov 28th, 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
We suspect touchy storm and wind slabs will still be found due to the sustained high freezing levels. Over 60mm of precipitation has fallen in the last 24 hours in some parts of the region forming deep storm slabs.
Summary
Confidence
Weather Forecast
Sunday night: Freezing levels will fall to 1600m as we enter a brief clearing trend. some flurries could accumulate up to 10mm of precipitation. winds will be moderate from the west/Southwest.
Monday: Generally drier conditions for the region. some light flurries bringing up to 10mm. Freezing levels will remain around 1600m. winds will be moderate from the West.
Tuesday: another storm will hit the region starting Tuesday. Freezing levels will once again rise to 2000m. The region will see up to 30mm of precipitation in the evening. winds will be moderate from the South west.
Wednesday: The storm will reach its peak early in the morning. Freezing levels 2000m, Wind moderate from the Southwest and another 20mm of precipitation is expected.
Avalanche Summary
A widespread natural avalanche cycle to size 3.5 was observed in the region on Sunday.
Snowpack Summary
We suspect touchy storm slabs and wind slabs will still be found throughout the region.
The mid November rain crust can be found down 70 to 130cm and exists below 1900m. Average snowpack depth at treeline is 250cm.
Terrain and Travel
- Continue to make conservative terrain choices while the storm snow settles and stabilizes.
- Don't be too cavalier with decision making, storm slabs may remain sensitive to human triggering.
Problems
Storm Slabs
We expect avalanche hazard to remain elevated due to the high freezing levels. Be extra cautious in wind effected terrain in the treeline and alpine.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Nov 29th, 2021 4:00PM
