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Archived

Avalanche Forecast

Dec 9th, 2013–Dec 10th, 2013
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Jasper.

Early season hazards lurk just below the snow surface.

Weather Forecast

Expect 5-10cm over next few days and temperatures -10 to -15. Warming up slightly from the frigid weekend but still feeling cold with brisk wind.

Snowpack Summary

Variable wind slab on lee features at all elevations. Recent cold conditions facetting the surface. Variable snowpack depths with pockets up to 1m deep. October raincrust sporadically distributed.

Avalanche Summary

Highway patrol on Saturday with excellent visibility observed no new avalanches.

Confidence

Due to the number of field observations

Avalanche Problems

Wind Slabs

Winds continue to develop this condition. Variable thicknesses depending on aspect and elevation.
Be careful with wind loaded pockets while approaching and climbing ice routes.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Persistent Slabs

Observations are limited on this layer leading to uncertainty for the potential to trigger. Basal facetting process continues to weaken base.
Carefully evaluate big terrain features by digging and testing on adjacent, safe slopes.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 3