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Archived

Avalanche Forecast

Nov 16th, 2012–Nov 17th, 2012
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
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
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

Regions: Kananaskis.

No significant new snow, but increasing winds have continued to distribute the existing snow. Be cautious of freshly loaded lee features and the potential for new cornices. MM

Confidence

Fair - Timing of incoming weather is uncertain on Saturday

Weather Forecast

Winds increasing overnight to strong during cold front. Precip forecasted to begin Saturday night. Up to 24 cm expected.

Avalanche Summary

No new observations over the past 24hrs.

Snowpack Summary

Moderate to Strong SW winds continued to redistribute this snow onto lee features building persistent slabs. Nov 6th crust is now down 30-50cm at treeline elevations. Minimal snowcover at lower elevations.

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