Avalanche Forecast
Issued: Dec 19th, 2021 4:00PM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Wind Slabs.
TRettie,
Avalanche Canada
Continually assess the wind effect as you move through different aspects . Wind slab could still be found near ridge crests and exposed terrain.
Summary
Confidence
Moderate - Uncertainty is due to limitations in the field data.
Weather Forecast
Sunday night: Low of -21 at 1200m. Moderate Northwest winds with no new snow expected.
Monday: Moderate Northwest winds increasing to strong in the afternoon. High of -21 at 1200m. No new snow expected.
Tuesday: In the North of the forecast region snowfall amounts could reach up to 30cm with a high of -16 at 1200m. The South of the forecast region will likely only see 5cm and a high of -8 at 1200m. Winds over the region will start out as strong Northwest and become light West by the end of the day.
Wednesday: Some light flurries with a high of -16 at 1200m. Light East winds.
Avalanche Summary
No new avalanches were reported on Saturday. If you are out in the mountains please consider filling out a Mountain Information Network report.
Snowpack Summary
Winds have been variable over the last week. Wind slab could be found on all aspects in exposed terrain.
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Check out this post from the Mountain Information Network (MIN) by our North Rockies field team for a great summary of conditions at the Anzac on Friday.
Snowpack depth at treeline typically ranges from 50-250 cm, with the shallower value mainly on the eastern side of the range. The alpine snowpack typically ranges from 150-250 cm.Â
Terrain and Travel
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
- Recent wind has varied in direction so watch for wind slabs on all aspects.
Problems
Wind Slabs
Rider triggerable wind slab can still be found in specific areas.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Dec 20th, 2021 4:00PM
