Avalanche Forecast
Feb 20th, 2012–Feb 21st, 2012
Alpine
3:
Considerable
The avalanche danger rating in the alpine will be considerable
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
3:
Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3:
Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2:
Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3:
Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3:
Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2:
Moderate
The avalanche danger rating below treeline will be moderate
Regions: Banff Yoho Kootenay.
30-50 cm over the Valentine's surface hoar/suncrust along & west of the Divide. Another system expected Tuesday night bringing another 10-20 cm. & moderate NW wind. The hazard will increase as the slab thickens and consolidates.
Weather Forecast
Snowpack Summary
Avalanche Summary
Confidence
Intensity of incoming weather systems is uncertain
Avalanche Problems
Wind Slabs
35 cm in last 2 days around Sunshine, expect similar amounts along the divide & West. So far, only size 1 soft slabs have been triggered. As the slab (30-50 cm thick) consolidates with settlement & wind effect, larger avalanches can be expected.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Possible - Likely
Expected Size: 1 - 2