Avalanche Occurrence

Observer:

NWAC Forecaster

Occurrence Date:

Dec 18, 2021 ()

Location:

Stevens Pass

Comments:

Fairly widespread cycle during the latter part of the storm on December 18th, with crowns observed from 4,000ft to 6,600ft on N-E-SE aspects. Sizes ranged from D1.5-2, with perhaps a couple D2.5's. Impressively wide propagation with many of the avalanches. See associated observation: https://nwac.us/public-obs/20211219_lanham-lake-zone/

# of Avys:

10

Aspect:

E (N,NE,E,SE)

Size:

D2

Trigger:

N-Natural

Bed Surface:

I-New/Old Interface

Depth:

1.5ft

Crown off a high, NW aspect in the Chiwaukums.

Looking down the flank of a D2 that ran into Henry Creek. SE at 5,600ft

Avalanche Occurrence

General Information

Observer:

Occurrence Date:

Location:

Comments:

Avalanche Characteristics

# of Avys:

Aspect:

Size:

Trigger:

Bed Surface:

Depth:

Comments:

Media