Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Brad Kohlrus
Observation Date:
December 13, 2020
Submitted:
December 14, 2020
Zone or Region:
Snoqualmie Pass
Activity:
Skiing/Snowboarding
Location:
Snow Lake Area

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Hard Slab
Size:
Size 1: Relatively harmless to people
Elevation:
4500
Aspect:
NE
Comments:

Signs of Unstable Snow

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

Observations

Easily triggered a wind slab on the leeward side of a ridge line. Test slope was small and around 40-45 degrees. Crown was approximately 10." Wind slab became less prevalent as we descended.

Media

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