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Archived

Avalanche Forecast

Nov 15th, 2012–Nov 16th, 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
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

Regions: Kananaskis.

Still early season conditions out there at this time. Watch for rocks, stumps and trees throughout the area. The only "good" skiing will be found in Alpine terrain but getting to and from these areas is challenging.

Confidence

Good

Weather Forecast

Warm temps and chinook flow to continue for another 24-48hrs. Up to 10cm of new snow is forecast for Saturday evening but forecasts still have strong SW winds during this time. Avalanche danger will be slow to change until we get the next major storm.

Avalanche Summary

No new observations over the past 24hrs.

Snowpack Summary

Little change over the past few 24hrs. Few cms of snow along the divide but the strong SW continued to redistribute this snow onto lee features building persistent slabs. Nov 6th crust is now down 30-50cm at treeline elevations. Still 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. Lots of bare scoured rock is evident from the strong SW flow over the past 24hrs.

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

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 4

Persistent Slabs

Ice climbers should be wary of pockets of slabs between pitches and along the approach or descents. Watch for "Drummy" sounds or cracking on approaches or between pitches on routes.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 4