Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Swain/Hough-Snee
Observation Date:
February 26, 2021
Submitted:
February 26, 2021
Zone or Region:
East Central
Activity:
Skiing/Snowboarding
Location:
Tronsenhead

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Hard Slab
Size:
Size 3: Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few trees
Elevation:
6000'
Aspect:
NW
Comments:
Tronsenhead ripped naturally sometime the 22-23 from cornice fall into wind loaded north slope. HS-Nc-R2-D2.5
Photo:

Signs of Unstable Snow

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

Observations

Nice, cool evening in the mountains. Be weary of east.

Advanced Observations

Observed Avalanche Problem #1: 
Wind Slab
Comments: 
West winds had loaded features and created large, naturally failing cornices. Diamonhead appears substantially loaded at the start zone.
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