Avalanche Occurrence

All Avalanches

General Information

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

Observer:

NWAC Forecaster

Occurrence Date:

Mar 3, 2022 ()

Location:

Harts Pass

Comments:

Near Hart's Pass and Tatie Peak

Avalanche Characteristics

# of Avys:

1

Aspect:

NE (E)

Start Zone Elev:

6700ft

Size:

D2.5

Type:

SS-Soft Slab

Trigger:

AM-Snowmobile
u-Unintentional

Bed Surface:

O-Old Snow

Depth:

3.5ft (max: 5ft)

Weak Layer:

Jan 30, 2022 (FCsf)

Comments:

6600-6800ft. Triggered by 1 snowmobiler on 3/3. No one was caught. Suspect the late January facets due to propagation. Widespread cycle of storm slabs observed nearby 2/27-28 with crowns significantly shallower.

Media

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

A very large (D2.5) and widely propagating slab avalanche was triggered by a snowmobile on March 3rd. The crown is estimated at roughly 5ft deep. 6600-6800ft, NE, near Harts Pass

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