Avalanche Forecast

Issued: Jan 29th, 2012 4:52PM

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

mike eder, Parks Canada

Jasper.

Highway 93 will have periodic road closures of up to 2 hours between 1000 hrs and 1500 hrs on Monday for avalanche control in the parker ridge area.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Track of incoming weather systems is uncertain

Problems

Wind Slabs

Moderate to strong SW winds continue to redistribute recent storm snow at treeline and in the alpine.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 2

Deep Persistent Slabs

This facetted weak layer is most easily detected in shallow snowpack areas at tree line and above. Warm temperatures below treeline resulted in a size 2 slab avalanche in a steep creek bed.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

2 - 3

Valid until: Jan 30th, 2012 4:00PM