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Avalanche: Uintas 2/23/2010

Observer Name:

Ted Scroggin

Observation Date:

02/23/2010

Occurrence Date:

02/23/2010

Occurrence Time:

2:30pm

Region:

Uintas

Location Name:

Humpy Creek

Location

40° 50' 41.9388" N, 110° 59' 55.14" W

Avalanche Characteristics

Elevation:

10400'

Aspect:

North

Slope Angle:

Trigger:

Skier

Trigger: additional info:

Intentionally Triggered

Avalanche Type:

Soft Slab

Weak Layer:

Surface Hoar

Depth (avg):

12"

Width:

70'

Vertical:

200'

General Comments

A medium size intentional cornice drop produced this fracture on a north facing slope at 10,400'.

General Comments 2

After a little more provoking with additional cornice dropping this 34 degree slope failed on surface hoar producing a 12" deep slide that was 70' across and traveled roughly 200' downslope.

General Comments 3

I was quite surprised to find preserved surface hoar underneath the slab and at this high of elevation.

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