West Willow Pk - NE Aspect - 6200ft - Remote Trigger - 12.19.20

Location Name: 
West Willow
Region: 
Silver Valley Area
Date and time of avalanche (best estimate if unknown): 
Sat, 12/19/2020 - 12:30
Location Map: 
United States
47° 26' 15.2844" N, 115° 47' 2.7852" W
US


Red Flags: 
Recent loading by new snow, wind, or rain

Observation made by: Public
Avalanche Observations
Avalanche Type: 
Slab
Slope: 
37degrees
Trigger type: 
Other - explain below
Crown Height: 
2 ft
Aspect: 
Northeast
Weak Layer: 
Other - explain below
Avalanche Width: 
100ft.
Terrain: 
Near Treeline
Elevation: 
6 200ft.
Bed Surface: 
Other - explain below
Avalanche Length: 
100ft.
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

Remotely triggered from skin track on ridge - NE Aspect 6200 ft - Failed on persistent weak layer at ~65cm in snowpack / Faceted snow. Bed surface was stout crust from November. Crown height measured ~60cm. Total snowpack depth at location was 125-130cm

Avalanche Photos: 
Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
75% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Moderate
Precipitation: 
Mixed rain and snow
Air temperature trend: 
Warming
Wind Direction: 
West
Accumulation rate: 
None