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Archived

Avalanche Forecast

Nov 28th, 2011–Nov 29th, 2011
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable
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.

Avalanche Problems

Storm Slabs

Moderate amounts of dense snow have added to storm slab conditions. Additional moderate precipitation and rising freezing levels forecast today will elevate avalanche hazard to HIGH. A rain crust likely exists on all aspects at and below treeline.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely

Expected Size: 1 - 3

Wind Slabs

Moderate to strong wind S-SW have created wind loading on to leeward terrain. This overlies wind slabs created earlier in the storm period. Expect these to be sensitive to human triggering.

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

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 4