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Archived

Avalanche Forecast

Mar 27th, 2012–Mar 28th, 2012
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
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

Regions: Glacier.

Watch out for sluffing in steep terrain with 7cm of new snow overtop a smooth gliding surface like a sun crust. Be aware of terrain traps below you.

Avalanche Problems

Deep Persistent Slabs

The February weak layer is buried down 1.5 to 2 m. Although infrequent, this layer has been reacting to skier triggering particularly at treeline elevations. Consequences are high if this layer does fail.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely

Expected Size: 1 - 3

Cornices

Most ridges throughout the Park have massive cornices. Cornice failure is unpredictable. Be aware of the overhead hazard on your approach. They are large triggers and could produce avalanches on the deeper instabilities.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 2 - 4