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Archived

Avalanche Forecast

Jan 23rd, 2017–Jan 24th, 2017
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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
3: Considerable
The avalanche danger rating in the alpine will be considerable
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.

Good route selection is key to minimize exposure on larger slopes.

Confidence

High -

Weather Forecast

Forecast for Tuesday indicates  mainly cloudy with isolated flurries, light ridgetop winds and alpine temperature of -11c.  The rest of the week is looking like a mix of sun and cloud with light winds and temperatures around the -12.

Avalanche Summary

Snowpack Summary

Mostly a weak snowpack. The upper third of the snowpack is comprised of laminated windslabs overlying a weak midpack and basal facets.. BTL, the facets are even more prominent through most of the snowpack making travel even more challenging.

Avalanche Problems

Persistent Slabs

If this layers if triggered, there is a likelihood of entraining the entire snowpack with it
Avoid cross loaded features.Avoid unsupported slopes.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2

Deep Persistent Slabs

The big concern is that if anything gets triggered within the snowpack, then the entire snowpack would fail on the basal facets.
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