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Archived

Avalanche Forecast

Feb 28th, 2012–Feb 29th, 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
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
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
3: Considerable
The avalanche danger rating below treeline will be considerable

Regions: Glacier.

Don't let sunny skies, lack of avalanche activity or previously skied slopes cloud your judgement. Cautious route-finding and careful terrain selection are still necessary due to a weak layer down about one meter.

Avalanche Problems

Persistent Slabs

Around a meter of cohesive slab overlies 2 significant weak layers. These layers are reactive and can still be triggered by a skier/rider. Wide propagations and remote triggering are likely. These layers are most sensitive at treeline and below.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Wind Slabs

Look for dense, wind-deposited snow on lee slopes from southerly winds. Pockets of wind-loaded snow and areas of hard slab could catch you by surprise. These may be triggered by skiers and step down to the persistent weak layers below.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3