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Archived

Avalanche Forecast

Mar 31st, 2012–Apr 1st, 2012
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
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
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: Glacier.

Avalanche Problems

Wind Slabs

Wind slabs have formed on lee aspects where storm snow has been deposited

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Storm Slabs

20-30cm of storm snow is forming a soft slab which is sitting on a sun crust on solar aspects and a melt freeze crust and moist snow below treeline.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Deep Persistent Slabs

The February weak layer is buried down 1.5 to 2 m. This layer may be triggered by a heavy load such as a cornice failure or an avalanche in the upper snowpack. Consequences are high if this layer does fail.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 1 - 4