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Archived

Avalanche Forecast

Apr 1st, 2014–Apr 2nd, 2014
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Weather Forecast

Cool overnight temperatures, light Southwest winds and only light scattered precipitation expected over the next 48hours. Freezing levels remain below treeline.

Snowpack Summary

45cm of storm snow continues to settle and has minimal wind affect in most places.

Avalanche Summary

Skier accidental sz 2.5 reported from the Shangri-La area today, triggered remotely from a shallow spot and stepped down to ground.  Avalanche control work in the Columbia Icefield area produced mainly storm slabs in the size 2 range and isolated larger avalanches up to size 3 that failed on ground. Widespread natural cycle in the past 24 hours. 

Confidence

Avalanche Problems

Storm Slabs

Recent storm snow has settled into a slab and is touchy on steep, unsupported terrain.
Use caution in lee areas in the alpine and treeline. Recent storm snow has formed touchy slabs.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Persistent Slabs

There is a fair bit of uncertainty associated with weak mid-pack layers.  Although isolated, there have been numerous natural avalanches in the past 2 days that have failed in the mid-pack or on the ground. 
Be wary of slopes that did not previously avalancheAvoid shallow snowpack areas where triggering is more likely.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 4