Avalanche Forecast

Issued: Nov 15th, 2011 4:07PM

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

Rupert Wedgwood, Parks Canada

Jasper.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Intensity of incoming weather systems is uncertain on Wednesday

Problems

Storm Slabs

Soft to hard slabs up to 40cm thick can be found in gullies and lee terrain. The condition is less prevalent at Treeline where the wind effect is less.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 3

Wind Slabs

Moderate W and NW winds are slowly adding load to the slab features which have weak basal facetted crystals. Some whumphing was observed in the Bald Hills near Malign Lake today. The alpine snowpack depths are highly variable.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Nov 16th, 2011 4:00PM