Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Tatsu
Observation Date:
December 29, 2022
Submitted:
December 29, 2022
Zone or Region:
Stevens Pass
Activity:
Location:
Lake Susan jane

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Dry Loose (Sluff)
Size:
Size 1: Relatively harmless to people
Elevation:
5000
Aspect:
N
Comments:
Low energy sluff

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
5000
Aspect:
N
Comments:
Maybe a cross loaded wind slab, crown less than a foot guesstimate.

About 100ft wide only on Lee side potentially triggered by natural sluff. Did not run full length of path, maybe half

Signs of Unstable Snow

None reported

Observations

HN varied from 8 to 16in.

Wind effect observed with scouring on westward slopes and loading on east.

Hand shears all failed on Xmas crust variable. Avoided most slopes over 40deg. Bad vis day

Media

Faint crown line visible right side of photo
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