Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Rob
Observation Date:
December 23, 2021
Submitted:
December 23, 2021
Zone or Region:
East Central
Activity:
Skiing/Snowboarding
Location:
North Fork Teanaway

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
5200
Aspect:
SW
Comments:
6-8" deep, triggered by a cornice failure. One a small isolated slope.

Signs of Unstable Snow

Did you see shooting cracks? 
Yes, Isolated
Did you experience collapsing or whumpfing? 
No

Observations

Wind began to build reactive slabs on south slopes and then more exposed west slopes throughout the day. Instability expanded to exposed features even well below treeline later in the day.

Media

Small cornice failure triggered slide
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