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Archived

Avalanche Forecast

Dec 31st, 2017–Jan 1st, 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.

Warmer temps and NW winds will cause the upper snowpack to settle and potentially the windslabs become slightly more reactive.  Use caution at Alpine and treeline as the doesn't like rapid changes...

Confidence

High -

Weather Forecast

Warmer temperatures are forecast to finally arrive but we can also expect winds to increase into the moderate range out of the NW. Blue Bird day is forecast so it will be a nice day in the mountains!  Watch for pockets with reverse loading on Southern aspects.

Avalanche Summary

A few loose dry avalanches up to sz 2 likely triggered by solar input. There was also a few small slabs avalanches up to sz 1 within the recent storm snow from steeper terrain that ran far entraining facets on the underlying slopes.

Snowpack Summary

Recent HST is slowly settling with the cooler temps. Windslabs developing in open alpine areas on all aspects but still not reactive to skier traffic. North area of the forecast region (Tent and Commonwealth) seems to have seen more widespread winds but this seem to be localized to this area.

Avalanche Problems

Wind Slabs

Wind slabs in open areas and along ridge lines on all aspects. So far they have not been reactive to skier traffic. More wind affect locally at Tent and Commonwealth areas.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2

Loose Dry

Be cautious in steeper terrain. Sluffs are running far and fast
Be cautious of sluffing in steep terrain.On steep slopes, pull over periodically or cut into a new line to manage sluffing.

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

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 2