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Archived

Avalanche Forecast

Dec 22nd, 2017–Dec 23rd, 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
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: Kananaskis.

Slow skiing with the cooler temperatures.  Watch for windslabs on all aspects developing with the incoming north winds.

Confidence

High - The weather pattern is stable

Weather Forecast

No new snow is forecast for the next few days and conditions are likely to be cold!!!  North winds will cause some reverse loading so be mindful for windslabs on all aspects.

Avalanche Summary

No new activity in the past 24hrs.

Snowpack Summary

5-15cm new snow with the deeper areas being in the eastern region (Hwy 40).  Windslabs being found in Alpine terrain along ridgelines and in cross loaded areas but they do not extend far downslop. At treeline a surface hoar layer is being found widespread up to 2200m down 30cm but a lack of a cohesive slab over this layer is preventing it being a problem...yet.  Facets are building over the november crusts but we are still generally only getting hard to no results on this layer. 

Avalanche Problems

Wind Slabs

Windslabs in open areas and along ridge lines. As winds increase these will become more reactive. Watch for areas with reverse loading.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Avoid cross loaded features.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

Caution in thinner snowpack areas where you may be able to wake up this layer.
Avoid steep convexities or areas with a thin or variable snowpack.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 2 - 4