Avalanche Forecast

Issued: Feb 19th, 2012 4:00PM

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

lisa paulson, Parks Canada

Banff Yoho Kootenay.

Some areas within the forecast region are now reaching threshold amounts of new snow where the Valentine's layer is now becoming active, bumping us up to Considerable. 17 new at Sunshine last night! Another system on the horizon for Wednesday.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Problems

Wind Slabs

W. of the divide & Sunshine slack country, this layer is now touchy in immediate lees (20-50 cm thick). Size 1 skier remote's & accidental around Sunshine today. With forecasted mod. NW wind tonight, this layer will be even more touchy tomorrow.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 2

Loose Dry

In steep areas mainly West of the divide, watch out for new snow sloughing on surface hoar, facets or suncrust on steep solar aspects. This will increase with solar radiation tomorrow afternoon or with increased winds on Tuesday.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 1

Valid until: Feb 20th, 2012 4:00PM