Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Josh Steinitz
Observation Date:
December 31, 2022
Submitted:
December 31, 2022
Zone or Region:
Snoqualmie Pass
Activity:
Skiing/Snowboarding
Location:
Kendall adventure zone

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
No
Avalanche Type:
Wet Slab
Size:
Elevation:
5500
Aspect:
N
Comments:
Dropping a gully just west of Silver Twin I triggered a significant D2 avvy on the storm slab that took me over a small cliff band and accumulated down on the apron. Air bag deployed after going for a long and unpleasant ride.

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Wet Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
5000
Aspect:
NE
Comments:
Storm slab higher up sliding everywhere down to the Christmas crust or just above

Signs of Unstable Snow

None reported

Observations

We dug hand pits and did ski cuts but the instability surprised us - any convexity would slide

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