Avalanche Forecast

Issued: Nov 28th, 2011 4:45PM

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

Rupert Wedgwood, Parks Canada

Jasper.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Problems

Deep Persistent Slabs

In the Icefields area several size 2 and 3 avalanches have been observed failing to ground in the past 24hrs.

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

Elevations: All elevations.

Likelihood

Likely

Expected Size

2 - 4

Storm Slabs

35cm of new snow has fallen since November 26th above 1,700m. Steady rain fell below 1400m on Sunday. Cooler temperatures in the past 24hrs are strengthening the snowpack. Winds at elevation are adding to the slab condition.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

2 - 3

Valid until: Nov 29th, 2011 4:00PM