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Archived

Avalanche Forecast

Mar 26th, 2020–Mar 29th, 2020
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Waterton Lakes.

Windslab will continue to develop in to the weekend. This is not the time to push the conditions as the healthcare system continues to deal with COVID19.

Weather Forecast

Friday: Cloudy with isolated flurries. West wind 50km/h gusting to 70.  Freezing level 1600m.

Saturday: Cloudy with wet flurries. Moderate SW wind with strong gusts.

Sunday: Cloudy with wet flurries. Moderate SW wind with strong gusts. 5 cm snow accumulation.

Snowpack Summary

5-10 cm of storm snow has been redistributed by Moderate - Strong SW winds. This has created fresh windslabs which sit over a melt freeze crust on all but North aspects. The mid pack is strong and well settled. Basal instabilities haven't been seen in some time, but are likely lurking in thin areas.

Avalanche Summary

Avalanche activity in the last week has mainly been limited to loose wet avalanches up to size 1 on solar aspects with daytime warming.

Confidence

Avalanche Problems

Wind Slabs

  • Use caution in lee areas. New snowfall mixed with wind loading is creating Wind Slabs.

Aspects: North, North East, East, South East.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2

Loose Wet

  • Avoid slopes when the solar radiation is strong, especially if they have large cornices overhead.

Aspects: East, South East, South, South West, West.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 1.5