Avalanche Forecast

Issued: Mar 5th, 2012 4:00PM

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

marc ledwidge, Parks Canada

Banff Yoho Kootenay.

A large storm and avalanche cycle is upon us. These are good conditions to look at inbound ski area skiing for snow sports.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Problems

Persistent Slabs

Storm snow amounts are now above 1 metre especially in the Sunshine area. Avalanche control today confirms that avalanches up to size 3.5 are easily triggered.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely - Very Likely

Expected Size

2 - 4

Deep Persistent Slabs

Slabs initiating in the storm snow on larger slopes can step down into the basal layers to produce large very avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 4

Valid until: Mar 6th, 2012 4:00PM