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: Little Yoho.
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.
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