Avalanche: Double Hill 12/17/2009

Sat, 12/19/2009 - 6:43am
Submitted by Craig
Observer Name: 
Scroggin, Gordon
Observation Date: 
12/18/2009
Occurrence Date: 
12/17/2009
Occurrence Time: 
Unknown
Region: 
Double Hill
Double Hill
Whitney Basin
Uintas

Location

40° 50' 2.3856" N, 110° 57' 36.4644" W
Avalanche Characteristics
Elevation: 
9800'
Aspect: 
Northeast
Slope Angle: 
38
Trigger: 
Snowmobiler
Trigger: additional info: 
Remotely Triggered
Avalanche Type: 
Soft Slab
Weak Layer: 
Facets
Depth (avg): 
unknown
Depth Range: 
2.5' to
3.5'
Width: 
300'
Vertical: 
400'
General Comments



12-18-09 Double Hill, Human Triggered, Scroggin.jpg
General Comments 2

The avalanche was triggered on the flats above the first bench, well above the rider in what appears to be a relatively save location. This clearly shows how tricky the avalanche conditions are right now.  

12-18-09 Double Hill, Human Triggered Two, Scroggin.jpg
General Comments 3

Early season snow which grew weak and sugary is the culprit in this avalanche.

12-19-09, Double Hill Bed Surface, Scroggin.jpg
General Comments 4

Ted performed a compression test on the flank of the slide and this column popped out to the ground after only four taps from the wrist.

12-19-09, Double Hill Pit, Scroggin.jpg
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