Archived

Avalanche Forecast

Mar 20th, 2012–Mar 21st, 2012

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Regions: 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.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Avalanche 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