Archived

Avalanche Forecast

Nov 28th, 2011–Nov 29th, 2011

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

2: Moderate

The avalanche danger rating below treeline will be moderate

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

2: Moderate

The avalanche danger rating below treeline will be moderate

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

2: Moderate

The avalanche danger rating below treeline will be moderate

Regions: Jasper.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

Intensity of incoming weather systems is uncertain on Tuesday

Avalanche Problems

Deep Persistent Slabs

In the Icefields area several size 2 and 3 avalanches have been observed failing to ground in the past 24hrs.

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

Elevations: All elevations.

Likelihood: Likely

Expected Size: 2 - 4

Storm Slabs

35cm of new snow has fallen since November 26th above 1,700m. Steady rain fell below 1400m on Sunday. Cooler temperatures in the past 24hrs are strengthening the snowpack. Winds at elevation are adding to the slab condition.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 2 - 3