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Avalanche Forecast

Feb 14th, 2013–Feb 15th, 2013
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: South Rockies.

Confidence

Good

Weather Forecast

Overnight lows to -10 tonight with high Friday of -4 at treeline. Winds will be moderate to strong from the north and switching to westerly late Friday as a weak system begins to enter the area. Light snowfall expected Sat pm and Sunday with greater amounts possible in the south Crowsnest.

Avalanche Summary

A skier accidentally triggered a windslab on Wednesday. This avalanche had a crown from 30-60 cm thick.

Snowpack Summary

There are some very large cornices in this region. Windslabs and scoured areas above treeline.  A generally well settled snowpack below.

Avalanche Problems

Wind Slabs

Hard windslabs may be in unusual locations and be difficult to identify.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Cornices

Corniced ridges will be sunwarmed on Friday.
Be aware of the potential for large cornice failures. Avoid gathering in runout zones below heavily corniced ridges.>

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

Elevations: Alpine.

Likelihood: Possible - Likely

Expected Size: 1 - 4