Avalanche Occurrence

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General Information

This large natural storm slab avalanche likely occurred on Monday 12/20, and failed at the base of the recent snow. Third Bowl, Hogback Mt, 6500', NE Photo: Remy Aucoin

Observer:

NWAC Forecaster

Occurrence Date:

Dec 20, 2021 ()

Location:

Hogback Mt: Third Bowl

Comments:

One large SS-N-R1-D2-U storm slab was seen in the White Pass backcountry. Seveal other smaller (D1) avalanches were seen in nearby terrain (Second Bowl to the west).

Avalanche Characteristics

# of Avys:

3

Aspect:

NE (E)

Start Zone Elev:

6500ft

Size:

D2 / R1

Type:

SS-Soft Slab

Trigger:

N-Natural

Bed Surface:

I-New/Old Interface

Vertical Fall:

300ft

Media

This large natural storm slab avalanche likely occurred on Monday 12/20, and failed at the base of the recent snow. Third Bowl, Hogback Mt, 6500', NE Photo: Remy Aucoin

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