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Archived

Avalanche Forecast

Dec 16th, 2019–Dec 17th, 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.

More wind creating wind slabs in the alpine. Caution for traveling in the lower elevations due to the low snow coverage.

Confidence

High -

Weather Forecast

Tuesday will bring a mostly cloudy sky with light flurries, strong westerly winds and a high of -10c. Very similar for the rest of the week.

Avalanche Summary

Several size 1 natural avalanches were observed mostly on East aspects.

Snowpack Summary

Let's start at the valley bottom and work up through the zones. There is not a whole lot of snow in the valley bottoms and it is mostly faceted out and not very supportive, thus making travel a wee bit challenging. At 2200m, there is about 100cm of snow at the most, of which the bottom 60cm is comprised of facets. Today, we were getting hard shovel compression tests at that facet interface. Somewhere around 2350m, the snowpack increases a bit and has a supportive midpack. This midpack was mostly formed by the numerous winds slabs that have bonded over the last few weeks. Right now, the wind has started up again and is strong from the West, thus laying down another wind slab in most of the alpine.

Avalanche Problems

Wind Slabs

This relates to the developing wind slab , mostly in the alpine

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

This is in relation to the weak facets in the bottom of the snow pack, whether it be the October or November crusts that are faceting out or just plain old facets.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2.5