Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

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

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
No
Avalanche Type:
Hard Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
4400
Aspect:
NE
Comments:
Time: 11:30am Elevation: 4400' Below Treeline Slope angle 35-40 degrees R2 D2 Hard Slab 1st skier crossed convexity on slope to a tree with no reactivity. Skier 2 made one turn and hard slab was released. Skier 2 was able to arrest on bed surface . Crown depth 3" - 1.5 '
Photo:

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Hard Slab
Size:
Size 2: Could bury, injure, or kill a person
Elevation:
5000'
Aspect:
NE
Comments:
Observed hard slab on shelf above cliff line. As seen in previous observation by Jim Costakis today. Bryan peak above, Bryant couloir to lookers right. Party of two below slide above cliffs.
Photo:

Signs of Unstable Snow

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

Observations

Snow lake divide, below treeline, hardslab

Media

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