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Archived

Avalanche Forecast

Mar 10th, 2012–Mar 11th, 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
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
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: Jasper.

Sunny periods may occur between weather systems. IF the sun comes out for an extended time, the avalanche danger will increase on southerly aspects in the alpine and treeline. The sun will also contribute to isothermal conditions in valley bottoms.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Timing, track, or intensity of incoming weather system is uncertain

Avalanche Problems

Persistent Slabs

Recent natural avalanche activity has declined but this snowpack weakness remains very touchy and easily collapses with skier presence. Expect to see more activity when the windslabs and storm slabs begin to stiffen above this layer.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 4

Wind Slabs

Snowflurries have deposited over 30cm in the last 2 days in the icefields area. SW winds are creating new wind slabs primarily in the alpine and exposed treeline locations.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Storm Slabs

As these slabs settle and stiffen, they will produce small slides that will step down to the persistent buried surface hoar layer.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 3