Avalanche Occurrence

All Avalanches View Associated Field Report

General Information

One of countless D1 slabs found in Commonwealth Basin on 12/20.

Observer:

NWAC Forecaster

Occurrence Date:

Dec 20, 2022 ()

Location:

Commonwealth Basin

Comments:

Widespread D1 Storm Slab cycle is believed to have failed on the new/old interface.

Avalanche Characteristics

# of Avys:

30

Aspect:

W (S,N,E,W)

Size:

D1

Trigger:

N-Natural

Bed Surface:

I-New/Old Interface

Depth:

0.5ft

Comments:

More than I could count - around the dial in terms of aspect. Almost all D1. Putting N for the trigger, but many were ASr

Media

One of countless D1 slabs found in Commonwealth Basin on 12/20.

Slab triggered while traveling up Commonwealth Basin

Public Field Report: Cave Ridge

Public Field Report: Cave Ridge

Public Field Report: Cave Ridge

Remotely triggered from above. Notice shooting cracks above from my ski track.

Public Field Report: Summit Central

Shooting cracks radiating from the skin track on adjacent slopes. Approx 20’. WSW, 3300’.

This was triggered remotely while breaking trail and is indicative of the reactivity found throughout the zone.

A remotely triggered small storm slab in a gully adjacent the skin track. Shooting crack (~30’) and slide are outlined in red. WSW, 3400’.

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