Avalanche: Yamaha Hill 11/16/2010

Observer Name:

Scroggin/Gordon

Observation Date:

11/18/2010

Occurrence Date:

11/16/2010

Occurrence Time:

Unknown

Region:

Yamaha Hill
Whitney Basin
Uintas

40° 49' 54.2496" N, 110° 53' 55.4748" W

Avalanche Characteristics

Elevation:

10000'

Aspect:

Northeast

Slope Angle:

Trigger:

Natural

Avalanche Type:

Hard Slab

Weak Layer:

Facets Below Crust

Depth (avg):

unknown

Depth Range:

12" to

Width:

Unknown

Width Range:

175' to

200'

Vertical:

350'

General Comments

A weakening mid pack structure was overloaded by our midweek wind event.

General Comments 2

The crown was 1'-3' deep, breaking to the ground in portions of the slope that had a weak snowpack.

General Comments 3

This is a dangerous set up and these crusts will take quite a bit of weight before failing, resulting in a large and dangerous avalanche.

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