Observation: Public

Name:

Brad Kohlrus

Observation Date:

December 13, 2020

Submitted:

December 14, 2020

Zone or Region:

Snoqualmie Pass

Activity:

Skiing/Snowboarding

Location:

Snow Lake Area

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:

Did you see shooting cracks?

Yes, Isolated

Did you experience collapsing or whumpfing?

No

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.