Archived

Avalanche Forecast

Dec 12th, 2019–Dec 13th, 2019

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.

Confidence

No Rating -

Weather Forecast

Fairly consistent for the next few days. Steady, moderate alpine winds from the SW, no significant snow and steady temps (-10) for tomorrow.

Avalanche Summary

Nothing new

Snowpack Summary

4cm of new snow today. Strong alpine winds made short work of it and blew it into fresh winslabs on NE aspects. These slabs, when combined with other buried slabs and older surface slabs account for the windslab problem as a whole. The deeper crusts remain our chief concern. They are down 30-50cm and are touchy in the alpine.

Avalanche Problems

Wind Slabs

Many areas have multiple layers of windslabs. Expect them to react within each other, and possibly step down to deeper layers.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1.5 - 2.5

Persistent Slabs

The crusts from November are widespread and of varying condition. Some areas have it intact, while others have faceted out and become touchy. So far alpine & N-NE aspects have been problematic.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 3