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Archived

Avalanche Forecast

Apr 1st, 2012–Apr 2nd, 2012
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
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
1: Low
The avalanche danger rating below treeline will be low
Strong SSW winds Monday night, through Tuesday coupled with rising freezing levels to 2000 m on Tuesday will bump the hazard up for Tuesday. Very little snow is exected. Freezing levels will dramatically drop Tues. night. LP

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Avalanche Problems

Wind Slabs

Mostly active in the Lake Louise region. Up to 50 new with SW & E wind. We've seen a few rogue windslab avalanches, generally size 2. up to sz 3 in steep cliffy terrain (NW asp) on Mt. Redoubt. This interface should heal quickly.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2

Storm Slabs

A Mar 28 suncrust is now down approx. 50 cm. We've found easy to hard shears on this layer, pending on location. In Chickedee valley, surface hoar was also observed on the crust. A few sz 2.'s have been observed on alpine SW asp in last 2 days.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

Feb 14th - now down 60-150 cm. Storm snow woke up this layer in a few areas, see the sz 3 off Pope's pk ski line on our facebook pg or the MCR. Also a skier remote sz 2, from 200 m away, in Pipestone Bowl near LL. It ran from steep rocky terrain.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3