Archived

Avalanche Forecast

Nov 17th, 2012–Nov 18th, 2012

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

Below Threshold

The avalanche danger rating below treeline will be below threshold

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

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: Kananaskis.

A significant precipitation event with very strong winds is expected on Monday, but exact timing is uncertain. Avalanche hazard will rise if and when this forecast comes true.

Confidence

Fair - Timing, track, or intensity of incoming weather is uncertain

Weather Forecast

Significant precipitation event expected on Monday with 60 to 80cm of snow possible. Winds expected to be strong to extreme from the SW.

Avalanche Summary

Snowpack Summary

Avalanche Problems

Wind Slabs

Isolated pockets of wind slab up to 40cm deep are present in lee and cross loaded features in the alpine. Gullies require attention and good snow assessment. Cornices will be developing with the incoming wind event.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 4

Persistent Slabs

No new avalanches noted on this layer. Ice climbers should be wary of pockets of slabs between pitches and along the approach or descents.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 4