Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Simon Buzzard
Observation Date:
December 17, 2020
Submitted:
December 17, 2020
Zone or Region:
East North
Activity:
Skiing/Snowboarding
Location:
Delancy Ridge off hwy 20

Signs of Unstable Snow

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

Observations

3800 ft. SE facing 30 degree slope. CT 18 broke below the rain crust 18in (45cm) down. Clean shear. Rotten snow with air pockets under the rain crust. ECTPV. Fracture propagated across the entire column during isolation on same layer.

Media

Extended column test propagated during isolation below rain crust 18in (45cm) down.

Advanced Observations

Observed Avalanche Problem #1: 
Dry Loose
Comments: 
WordPress Lightbox