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Avalanche: Uintas 3/6/2010

Observer Name:

Ted Scroggin

Observation Date:

03/06/2010

Occurrence Date:

03/06/2010

Occurrence Time:

1:00pm

Region:

Uintas

Location Name:

Humpy Creek/Whitney Basin

Location

40° 52' 21.0252" N, 110° 58' 36.0372" W

Avalanche Characteristics

Elevation:

10000'

Aspect:

North

and steeper

Slope Angle:

Trigger:

Skier

Trigger: additional info:

Unintentionally Triggered

Avalanche Type:

Soft Slab

Weak Layer:

Surface Hoar

Depth (avg):

14"

Width:

100'

Vertical:

150'

General Comments

This slide was triggered while descending the slope along a sub-ridge in a shallow part of the slope. It averaged 12-18" deep and failed on surface hoar. Many slopes with similar aspect and elevation were ridden without incident today, which verifies the pockety nature of surface hoar.

General Comments 2

The soft slab was a combination of fist snow on top with 4f snow underneath. This surface hoar developed on 2/16/10 and is now buried about 16-20" deep.

General Comments 3

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