Avalanche Forecast

Issued: Apr 1st, 2012 4:59PM

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

a.l. horton, Parks Canada

Jasper.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

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

Problems

Wind Slabs

Moderate to strong SW winds on Monday will continue to build slabs with up to 40 cm of snow available for transport.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

2 - 3

Deep Persistent Slabs

Little activity has been seen on this layer even with substantial cornice fall. On Sunday however, skiers in the Parkers area triggered a large avalanche up to 200 cm deep from a thin spot on the slope.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible

Expected Size

2 - 4

Loose Wet

Sunny skies will increase activity by late morning especially in gulley features below treeline. Ice climbers on sun exposed routes should plan to be off climbs early in the day.

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

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 2

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