Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
George Coiner
Observation Date:
January 14, 2021
Submitted:
January 15, 2021
Zone or Region:
Snoqualmie Pass
Activity:
Other
Location:
Humpback Mountain

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Wet Loose
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
4450 feet MSL
Aspect:
E
Comments:
Numerous slap releases 200-300 feet in length in this upper basin on east and northeast faces.
Photo:

Signs of Unstable Snow

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

Observations

Weather clear with southerly winds causing spin drifts off summit. Wind gusts to 40 kts.

Media

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