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Archived

Avalanche Forecast

Nov 8th, 2012–Nov 9th, 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
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low

Regions: Glacier.

The Winter Permit System is NOT yet in effect.

Weather Forecast

Mostly cloudy with 40% chance of flurries on Friday. Northerly wind and cooler temperatures. Sunny and cold over the weekend.

Snowpack Summary

Treeline profile HS is 80cm. 33cm of storm snow over a 3cm raincrust. The bottom two-thirds of the snowpack is moist.

Avalanche Summary

No new activity observed today. Previously a small cycle occurred late Nov 6 with size 2 to 3 from steep alpine terrain.

Confidence

Due to the number of field observations

Avalanche Problems

Storm Slabs

33 cm of storm snow in the past 36 hrs has resulted in an instability over a crust and old snow. This has been observed in a small avalanche cycle with size 2 to 3 avalanches early Nov 7 and shows in stability tests at treeline.
Early season hazards such as rocks, trees and stumps are still visible.Travel conditions are difficult at lower elevations and in the trees.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Wind Slabs

Strong south winds up to 60 km/h over the past 3 days has created windslab in alpine and upper treeline elevations on leeward terrain.
Stay off recent wind loaded areas until the slope has had a chance to stabilize.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3