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Archived

Avalanche Forecast

Jan 8th, 2015–Jan 9th, 2015
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
2: Moderate
The avalanche danger rating at treeline will be moderate
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Windslabs and basal weaknesses are still a significant threat in the forecast area. Limit your exposure to avalanche terrain.

Weather Forecast

A little warming Friday and then a return to moderately cool temperatures. Cloud and a few flurries are also expected for the next two days.

Snowpack Summary

Large weak facets and depth hoar in the basal snowpack layer continue to be a threat in most areas. Midpack faceting and buried surface hoar near treeline and in the alpine are also common. Windslabs on facets can be found on most exposed south and west aspects. Lee slabs on north and east aspects are also common near ridge tops.

Avalanche Summary

Yesterdays avalanche control produced numerous large avalanches and some continued natural activity today would indicate that things have not yet settled. Today's activity included avalanches to size 2 starting in steep terrain and stopping in the track.

Confidence

Avalanche Problems

Wind Slabs

Be aware of thin areas that may propogate to deeper instabilites.Caution in lee and cross-loaded terrain near ridge crests.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3

Deep Persistent Slabs

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible - Likely

Expected Size: 1 - 3