Avalanche Forecast

Issued: Feb 14th, 2013 9:28AM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs and Cornices.

gohm, Avalanche Canada

South Rockies.

Summary

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.Â A generally well settled snowpack below.

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

Valid until: Feb 15th, 2013 2:00PM