Avalanche: West Willow 12/22/2010

Observer Name:

Kobernik

Observation Date:

12/22/2010

Occurrence Date:

12/22/2010

Occurrence Time:

1:30pm

Region:

Salt Lake
Big Cottonwood Canyon
Willows
West Willow

Location

40° 38' 37.6584" N, 111° 35' 44.3904" W

Avalanche Characteristics

Elevation:

9300'

Aspect:

Northeast

East

Trigger:

Natural

Avalanche Type:

Soft Slab

Weak Layer:

Density Change

Depth (avg):

Depth Range:

6" to

10"

Width:

300'

Vertical:

350'

General Comments

Lower density snow was failing under the weight of higher density snow that fell today and was getting transported by moderate southerly winds. New snow measured about 14% which was sitting on lower density snow measuring around 8%. A natural cycle seems to have taken place from around 12pm to 3pm.

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