Avalanche Occurrence

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General Information

A very deep crown of a slab avalanche from mid-January. Hanging, unsupported face in the Hairpin valley, NE, 7,300ft. Washington Pass

Observer:

NWAC Forecaster

Occurrence Date:

Jan 12, 2022 ()

Location:

Hairpin Valley, Hwy 20

Comments:

Very deep slab in unsupported, hanging terrain lookers left of Spire Gulley. Uncertain of date. May've been triggered by cornice fall during Jan 12th rain event.

Avalanche Characteristics

# of Avys:

1

Aspect:

NE

Start Zone Elev:

7300ft

Size:

D2.5

Type:

HS-Hard Slab

Trigger:

N-Natural

Depth:

8ft

Comments:

Very rough estimate on depth, size, and date.

Media

A very deep crown of a slab avalanche from mid-January. Hanging, unsupported face in the Hairpin valley, NE, 7,300ft. Washington Pass

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