Avalanche Forecast

Issued: Apr 10th, 2012 4:34PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is considerable. Known problems include Loose Wet and Deep Persistent Slabs.

steve blake, Parks Canada

Jasper.

Maligne Lake Road will be closed Wednesday. The Icefield Parkway will be closed from 1400 hrs Wednesday until noon Thursday for avalanche control.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Problems

Loose Wet

Natural moist avalanches in and around steep gullies, and rocks are occurring daily during the heat of the day. These loose snow avalanches have the potential to trigger windslabs and deep slabs.

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

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 3

Deep Persistent Slabs

These deeper layers can wake up unexpectedly. Several natural avalanches have been observed on steep alpine features. Profile Saturday found Feb14 surface hoar buried 80cm, unreactive yet present.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

2 - 4

Valid until: Apr 11th, 2012 4:00PM