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Archived

Avalanche Forecast

Nov 9th, 2012–Nov 10th, 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. Conditions are "sporty" with thinly buried hazards at lower elevations, open creeks, and lots of alder. Dry powder can be found on sheltered slopes above 1800m.

Weather Forecast

Clear, cold and dry weather is expected over the weekend. Expect light northerly winds, and highs of -8. Westerly flow on Monday will bring flurries and rising freezing levels.

Snowpack Summary

Above 1800m 40cm of unsettled snow overlies a series of crusts. This storm snow is being transported by Northerly winds, forming slabs in exposed areas. Stability tests at 2100m on a S aspect found moderate resistant planar shears above the crust.

Avalanche Summary

Recent avalanche activity has been limited to sluffing off of steep slopes.

Confidence

Due to the number of field observations

Avalanche Problems

Wind Slabs

40cm of storm snow overlies a crust. Strong south winds early in the week created windslabs on exposed slopes. Winds have been northerly for the past 24hours, reverse loading many slopes.
Avoid freshly wind loaded features.Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3