Avalanche Forecast

Issued: Mar 16th, 2012 4:00PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Storm Slabs and Persistent Slabs.

steve blake, Parks Canada

Jasper.

Cold East winds and light flurries is expected for Saturday. Watch for reverse loading conditions as alot of snow is available for transport.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Wind effect is extremely variable on Saturday

Problems

Storm Slabs

Variable direction moderate alpine winds continue to form slabs on lee aspects. 15cm last night makes for 70cm since march 12th. Triggering the slab has the potential to step down to the buried surface hoar layer 80-120cm down.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

1 - 3

Persistent Slabs

Natural activity is reduced; however, slopes that did not slide during March 6th avalanche cycle should be treated with caution. The buried surface hoar layer remains a concern.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible

Expected Size

2 - 4

Valid until: Mar 17th, 2012 4:00PM