Avalanche Forecast

Issued: Dec 14th, 2011 5:04PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Deep Persistent Slabs and Loose Dry.

landon shepherd, Parks Canada

Jasper.

Avalanche Danger will increase on Saturday if we receive forecast rainfall and warm temperatures.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing, track, or intensity of incoming weather system is uncertain

Problems

Deep Persistent Slabs

Isolated whumpfs and basal facet collapses are still occurring in shallow, rocky locations.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

2 - 3

Loose Dry

Windslabs will become less stable with additional snow load or rapid warming.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 2

Valid until: Dec 15th, 2011 4:00PM