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Archived

Avalanche Forecast

Apr 16th, 2012–Apr 17th, 2012
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable
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
3: Considerable
The avalanche danger rating below treeline will be considerable
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable

Regions: Glacier.

The ridge this morning will be replaced by a frontal system that could could deposit up to 15cm of new snow by tomorrow morning. Freezing levels will rise to around 1700m during the day Mon - Thurs. A second system brings precip Wed-Thurs.

Avalanche Problems

Loose Wet

Cooler temps in the morning followed by rising freezing levels and light precipitation. Watch for moist surface snow especially around rocks and trees.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Wet Slabs

The upper snowpack is now moist and isothermal to 2000m with a series of crusts in the top 90 cm. The crusts provide potential failure plains and good bed surfaces for avalanches. Recent large avalanches have been failing to the ground.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 3

Cornices

There is good potential for cornice falls to produce large avalanches.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 4