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Archived

Avalanche Forecast

Apr 2nd, 2012–Apr 3rd, 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
2: Moderate
The avalanche danger rating in the alpine will be moderate
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
2: Moderate
The avalanche danger rating in the alpine will be moderate
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: Banff Yoho Kootenay.

The recent 50 cm of storm snow is now being moved by strong SW wind. Lake Louise region seems to be the most active lately. Expect continued windslab development and some avalanche activity relating to wind loading. Cornices are building. LP

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Avalanche Problems

Wind Slabs

Mod. to stg SW winds triggered a few more slides on this layer in Lake Louise region on NE aspects. Less activity in the rest of the region. Some avalanche activity may continue to occur tomorrow in the LL region with continued stg SW winds.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2

Storm Slabs

Strong SW winds will scrub some slopes tonight and load lee features. Avoid windloaded pockets/steeper slopes where a suncrust may be buried. We've found a range of easy to hard shears on this layer, pending on location.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

Feb 14th - now down 60-150 cm. This layer may have been the failure layer on the recent Pope's pk slide (MCR/facebook) & was remotely triggered in the Lake Louise slack country, yesterday. Winds will continue to load this layer, heads up in LL area.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3