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Archived

Avalanche Forecast

Feb 24th, 2012–Feb 27th, 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
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
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Waterton Lakes.

An incoming system will bring up to 25 cm of new snow by Sunday PM. This new snow could produce an avalanche cycle as it overloads persistent weak layers and creates new windslabs. Stay safe this weekend.

Avalanche Problems

Persistent Slabs

Persistent weak layers 20 and 50cm down. These slabs can be triggered by skiers. With the expected snow these layers will become increasingly sensitive.

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

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Wind Slabs

Incoming storm snow Sat and Sun with moderate Westerly winds will produce windslabs in lee areas. Thickness will depend on local precip and wind intensities.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2