Archived

Avalanche Forecast

Nov 22nd, 2011–Nov 23rd, 2011

Alpine

4: High

The avalanche danger rating in the alpine will be high

Treeline

3: Considerable

The avalanche danger rating at treeline will be considerable

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

3: Considerable

The avalanche danger rating at treeline will be considerable

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

3: Considerable

The avalanche danger rating at treeline will be considerable

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Regions: Jasper.

Up to 30 cm of heavy wet snow fell on Tuesday with another 20 cm of snow expected through the day on Wednesday. The avalanche hazard will be High on Wednesday!

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Forecast snowfall amounts are uncertain on Wednesday

Avalanche Problems

Storm Slabs

Another pulse of heavy snow is forecast to fall Wednesday. An additional 20 cm is expected adding to the 25 cm that has already fallen. This new snow has formed variable slabs on N-NE alpine and treeline slopes that will be easily triggered.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Likely - Very Likely

Expected Size: 2 - 3

Persistent Slabs

Warm temperatures and heavy wet snow may increase the possibility of natural avalanches on the weak basal facets below these slabs.

Aspects: North, North East.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 1 - 3