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Archived

Avalanche Forecast

Mar 3rd, 2019–Mar 4th, 2019
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.

What more can be said? Cold air and facetted snow are with us for awhile yet. Decent skiing can be had, but keep an eye out for those "facalanches"!

Confidence

High -

Weather Forecast

Tomorrow will see a relative warm spell! Only -22 in the morning with a high of -10. Light NE winds and of course, no snow.

Avalanche Summary

Nothing new.

Snowpack Summary

Cold, dry and often loose snow is the flavor of the month so far. We are still seeing windslabs near ridges and cross loaded areas, but these seem to loose there typical "cakey" character very quickly. Despite not having a traditional windslab feel to them, they could still react simply because the underlying layers are weak, aerated facets.  As you get further down slope there is eventually no slab, or any true structure to the snow. In un-traveled areas, expect a weak, occasionally bottomless snowpack.

Avalanche Problems

Wind Slabs

These are getting better as the bond improves with the underlying layer and the cold air facets the snow. If they do react, expect them to auger in and bulldoze the midpack.
Caution in lee and cross-loaded terrain near ridge crests.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Deep Persistent Slabs

We are thinking this layer is becoming more reactive over time. As the slabs facet/weaken, the bridging effect will become less reliable. 
Be aware of the potential for wide propagations due to the presence of hard windslabs.Be aware of the potential for full depth avalanches due to deeply buried weak layers.Be aware of thin areas that may propogate to deeper instabilites.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely

Expected Size: 1.5 - 3

Loose Dry

Mostly a problem in steep terrain, but we could start to see some solar triggered slides as well.
Be cautious of sluffing in steep terrain.Be cautious of sluffing in steep terrain, particularly where the debris flows into terrain traps.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 1.5