Small Avalanche by West Willow Peak

Location Name: 
Lucky Friday Bowl
Region: 
Silver Valley Area
Date and time of avalanche (best estimate if unknown): 
Wed, 02/03/2021 - 12:30
Location Map: 
United States
47° 26' 51.8892" N, 115° 46' 37.6572" W
US


Red Flags: 
Whumphing noises, shooting cracks, or collapsing
Recent loading by new snow, wind, or rain

Observation made by: Public
Avalanche Observations
Avalanche Type: 
Slab
Slope: 
27degrees
Trigger type: 
Skier
Crown Height: 
1 ft
Aspect: 
Northwest
Weak Layer: 
Storm Snow
Avalanche Width: 
150ft.
Terrain: 
Near Treeline
Elevation: 
5 500ft.
Bed Surface: 
Storm Snow
Avalanche Length: 
100ft.
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

Observed some shooting cracks on the ridge while touring up. Made the decision to ski low 20 degree slopes down the ridge a little ways and so traversed down the ridge. Heard a large whoomph and saw the avalanche propagate about 150 feet wide and slide around 100 feet down the steeper angled slopes below. It seems like there was some wind loading on the northwest facing slopes coming over the ridge. No one was caught, the slide slid about 20 feet from skiers on around a 27 degree slope. Skied lower angle slopes down the ridge. The south east facing roadcut did not have the persistent layer or wind loading we observed on the northwest slopes. 

Avalanche Photos: 
Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
50% of the sky covered by clouds
Air temperature: 
Wind Speed: 
Moderate
Precipitation: 
Snow
Air temperature trend: 
Wind Direction: 
East
Accumulation rate: 
Less than 1 in. per hour
More detailed information about the weather: