Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Jon Ferrian
Observation Date:
February 13, 2021
Submitted:
February 13, 2021
Zone or Region:
Snoqualmie Pass
Activity:
Snowmobiling/Snowbiking
Location:
Stampede Pass / Dandy Pass area

Triggered Avalanches

Did you trigger any avalanches? 
Yes
Was it intentional? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
3600’
Aspect:
NE
Comments:
The top 1 foot of new storm snow was very light and fluffy but fracturing and sliding very easily.
Photo:

Observed Avalanches

Did you observe any avalanches? 
Yes
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
3500-4500 feet
Aspect:
N
Comments:
All aspects impacted and many natural and human triggered avalanche throughout a he Stampede Pass area
Photo:

Signs of Unstable Snow

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

Observations

Na

Media

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