Avalanche Forecast

Issued: Apr 26th, 2012 8:00AM

The alpine rating is high, the treeline rating is high, and the below treeline rating is high. Known problems include Loose Wet, Wet Slabs and Cornices.

Robert Hemming, Parks Canada

Glacier.

Almost a week of above freezing temperatures at all elevations has weakened the snowpack. Exposure to avalanche terrain is not recommended today.

Summary

Problems

Loose Wet

Widespread cycle of loose wet observed yesterday. Expecting more of the same until air temperatures cool below freezing.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 3

Wet Slabs

Avalanche control yesterday triggered some wet slabs with crowns 40cm or more deep. Loose wet avalanches could trigger these slabs

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

2 - 4

Cornices

Many cornice failures observed recently. Cornice failures will trigger loose and slab avalanches

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Likely

Expected Size

2 - 4

Valid until: Apr 27th, 2012 8:00AM