Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Andrew Pringle
Observation Date:
February 24, 2021
Submitted:
February 24, 2021
Zone or Region:
Snoqualmie Pass
Activity:
Location:
Snoqualmie Mtn / Chair Peak

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
No
Avalanche Type:
Wet Loose
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
Near treeline
Aspect:
S
Comments:
Wet loose slides ran on the 2/22 crust

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Hard Slab
Size:
Size 4: Could destroy a railway car, large truck, several buildings, or a substantial amount of forest
Elevation:
Above treeline
Aspect:
N
Comments:
Widespread crowns observed, buried by 2/23 surface snow, largest on Chair N Slope

Signs of Unstable Snow

None reported

Observations

Widespread natural cycle observed with today's clear weather. Skied south facing slopes near treeline -- nice turns above 4500' and increasingly heavier snow below, which easily ran on the soft crust.

Media

North Slope Chair with tall crowns seen from Snoqualmie Mtn - (see Ben's pic as well)
Thunder Basin with buried crown below the exit cornice, and wind effect below the Snot Couloir

Advanced Observations

Observed Avalanche Problem #1: 
Wet Loose
Comments: 
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