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Archived

Avalanche Forecast

Jan 8th, 2018–Jan 9th, 2018
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
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
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

Regions: Kananaskis.

Keep an eye on localized conditions. If more snow falls than is expected, some areas could see a rise in avalanche danger to Considerable.

Confidence

Moderate - Intensity of incoming weather systems is uncertain

Weather Forecast

Tuesday will be cloudy with scattered flurries. Snowfall accumulations could reach 10cm by the end of day Tuesday with a further 5cm on Wednesday. Temperatures tomorrow will start out cold and then climb to  -6 °C with moderate SW winds.

Avalanche Summary

No new avalanches were observed.

Snowpack Summary

Moderate to strong SW winds combined with warm temperatures have added to the already widespread wind slab conditions in the Alpine and at Treeline. These slabs exist on all aspects, except in some specific windward terrain where the wind has stripped the snow down to bare rock. The Dec 15th interface (surface hoar on north aspects, sun crust on solar aspects) continue to produce results in snowpack stability tests. The November and October crusts deeper in the snowpack continue to facet and forecasters are watching these layers as a potential future problem.

Avalanche Problems

Wind Slabs

Wind slabs are dominant in Alpine and Treeline terrain. Very little natural avalanche activity has been occurring, but human-triggering is more likely.
Be careful with wind loaded pockets while approaching and climbing ice routes.Avoid steep lee and cross-loaded slopes

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3