Avalanche Forecast
Nov 18th, 2011–Nov 21st, 2011
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
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
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.
Friday snow depth; Little Prairie 1650m 42cm; Summit 2150m 80cm. Snow cover on lower elevation trails still thin, but mostly supportive.
Avalanche Problems
Wind Slabs
Basal crust is prevalent above 1900m. Weak facets above this crust are touchy as recent snowfalls and wind loading add to the concern. Shifting winds to the east Friday may develop slabs on westerly aspects. Slab depths of 30 to 50cm possible.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 2