Avalanche Forecast

Issued: Feb 1st, 2012 4:58PM

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

a.l. horton, Parks Canada

Jasper.

Natural avalanche activity has dropped off, but cornices have built to substantial size from recent loading and warm temperatures.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable

Problems

Wind Slabs

Moderate winds and warm temperatures have formed hard slabs in all wind-exposed areas.

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

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Deep Persistent Slabs

This facetted weak layer would most easily be triggered in shallow snowpack areas at tree line and above.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

2 - 3

Valid until: Feb 2nd, 2012 4:00PM