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Avalanche: 3rd Knob, Beaver Mountain-backside 2/12/2010

Observer Name:

Jeffrey Larson

Observation Date:

02/12/2010

Occurrence Date:

02/12/2010

Occurrence Time:

Unknown

Region:

Logan
Logan River
Beaver Creek
3rd Knob, Beaver Mountain-backside

41° 57' 11.3004" N, 111° 33' 10.7532" W

Avalanche Characteristics

Elevation:

7700'

Aspect:

East

Slope Angle:

Trigger:

Snowboarder

Trigger: additional info:

Unintentionally Triggered

Avalanche Type:

Soft Slab

Weak Layer:

Surface Hoar

Depth (avg):

12"

Width:

20'

Vertical:

50'

Snow Profile

Snow Profile Comments:

Cracks shooting about four feet on steeper terrain with whumphing.

Very windloaded.... about 8 - 12 inches new with more in the drifted areas

General Comments

Off 3rd peak on beaver's backside near highway 89
Wx: overcast light snow, 30F, strong NW winds

Off 3rd peak on bea

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