Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Matthew Schonwald
Observation Date:
February 15, 2021
Submitted:
February 15, 2021
Zone or Region:
Snoqualmie Pass
Activity:
Skiing/Snowboarding
Location:
Kendall Trees 2

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
No
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
Between 4,600-4,900’
Aspect:
NW
Comments:
Many D1 slides were triggered remotely and skier triggered within the new snow so Depth 6-8” , running in the trees 100-500’ . Width ranged a lot from 20-60’
Photo:

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
4,600-4,900’
Aspect:
NW
Comments:
Same as above

Signs of Unstable Snow

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

Observations

Storm Slabs continued to develop in the BTL as we left

Advanced Observations

Observed Avalanche Problem #1: 
Storm Slab
Comments: 
Human Triggers were certain by Noon
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