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Archived

Avalanche Forecast

Nov 15th, 2011–Nov 16th, 2011
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
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

Wind Slabs

25 cm. of new snow overnight accompanied by strong south wind has added to the wind slab problem. Natural avalanche activity has subsided since the intense storm period,, but large avalanches are still possible.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Storm Slabs

Over a metre of storm snow and strong south winds have buried a touchy surface hoar layer. This layer has been very reactive to skier triggering. Natural avalanches have been running long distances, reaching valley bottom and across skiers uptracks.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 2 - 3