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Archived

Avalanche Forecast

Jan 8th, 2017–Jan 9th, 2017
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.

Do not let the lack of avalanche activity fool you into thinking that the snowpack is good.  Human triggering is still a concern.

Confidence

High -

Weather Forecast

Forecast indicates 5cm overnight and Monday is showing temperatures around -10c.

Avalanche Summary

No new avalanche activity was observed.

Snowpack Summary

Widespread wind effect in open areas in the Alpine down into tree line. Our main concern still remains human triggering on the persistent slab which sits on the Dec 18 facets(down approx 30-50cm). Our second concern are cross loaded gullies and lee features.  The November crust is still present in the lower third of the snow pack. Non-supportive facetted snow below tree line.

Avalanche Problems

Persistent Slabs

These slabs are failing down 30-50cm at the main density change. Human triggering from a thin snowpack area is a definite possibility.
Avoid convexities or areas with a thin or variable snowpack.Be aware of thin areas that may propogate to deeper instabilites.Avoid steep lee and cross-loaded slopes

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 3

Deep Persistent Slabs

More likely to be triggered from thinner areas and step down to the November crust producing larger avalanches.
If triggered the wind slabs may step down to deeper layers resulting in large avalanches.Be aware of thin areas that may propogate to deeper instabilites.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 2 - 3