Avalanche Forecast

Issued: Jan 27th, 2012 4:00PM

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.

steve blake, Parks Canada

Jasper.

Avalanche control is scheduled on the Icefields Parkway on Monday. Expect traffic delays.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

Problems

Wind Slabs

Moderate to strong SW winds continue to redistribute recent storm snow at treeline and in the alpine. More snow is expected over the weekend. Winds are forecasted to ease somewhat but continue to watch for wind loading at treeline and above.

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. Steep rocky alpine faces still seem to produce avalanches on this layer although these observations are infrequent.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

2 - 3

Valid until: Jan 28th, 2012 4:00PM