Avalanche Forecast

Issued: Mar 20th, 2012 4:30PM

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

brian webster, Parks Canada

Banff Yoho Kootenay.

Despite the lack of widespread avalanches there has been reports of natural or skier triggered avalanches everyday this past week. Most of these avalanches were large and surprised the party involved. Conservative decision making is still required.

Summary

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Problems

Wind Slabs

Isolated wind slabs up to 50cm thick can be still triggered in steeper terrain, especially around ridge crests. See Facebook link below for most recent avalanche activity.

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

Elevations: Alpine.

Likelihood

Possible - Likely

Expected Size

1 - 2

Persistent Slabs

Down 70-150cm, the Valentines surface hoar is producing harder shears; however, several natural and skier triggered avalanches over the past few days shows that this layer is still a concern.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

2 - 3

Valid until: Mar 21st, 2012 4:00PM