Northwest Avalanche Center

Observation: Public

All Observations

Observation Details

Name:
Jon Ferrian
Observation Date:
December 12, 2020
Submitted:
December 12, 2020
Zone or Region:
Snoqualmie Pass
Activity:
Snowmobiling/Snowbiking
Location:
Stampede Pass area out of Crystal Springs Sno-Park towards radio towers

Signs of Unstable Snow

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

Observations

Right and sunny weather all day above the low clouds and we had wide spread significant Surface Hoar EVERYWHERE!!!! The crystals were a quarter to half in tall and they will definitely be creating a week later in the snowpack as we get new snow this week!

Media

Surface Hoar was wide spread in this region

Advanced Observations

Observed Avalanche Problem #1: 
Wind Slab
Comments: 
Pretty windy across the area all afternoon and I did experience wind slabs that were cracking but very isolated and not wide spread.
Observed Avalanche Problem #2: 

Comments: 
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