Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Observation Date:
January 31, 2021
Submitted:
February 1, 2021
Zone or Region:
Snoqualmie Pass
Activity:
Skiing/Snowboarding
Location:
Snow Lake Divide zone

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Wet Loose
Size:
Size 1: Relatively harmless to people
Elevation:
4300
Aspect:
S
Comments:
12:30pm descending 33-40deg undulating S slope with sparse trees, felt wetting surface snow was easily triggered. Skies over several different convexities and set off a small wet slide on each (maybe top 6-8in of snowpack)

Signs of Unstable Snow

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

Observations

In a separate location, at 4900 Ft on a NE aspect, fairly exposed to winds, got one rumbling whoomfing collapse 50x50ft in a dry snow wind-loaded gully in mid-30 degree terrain

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