Left Peak Castle Lake

Location Name: 
Avalanche on Left Peak
Region: 
Castle Lake
Date and time of avalanche (best estimate if unknown): 
Mon, 03/06/2017 - 10:45am
Location Map: 
United States
41° 13' 39.2556" N, 122° 22' 33.2688" W
US


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

Observation made by: Public
Avalanche Observations
Avalanche Type: 
Slab
Loose/Point-Release
Slope: 
38degrees
Trigger type: 
Skier
Crown Height: 
Less than 1 ft
Aspect: 
Northwest
Weak Layer: 
Storm Snow
Avalanche Width: 
60ft.
Elevation: 
6 200ft.
Bed Surface: 
Storm Snow
Avalanche Length: 
120ft.
Number of people caught: 
1
Number of partial burials: 
1
More detailed information about the avalanche: 

Skier triggered and carried approximately 100' into trees; grazed tree, ski released, and pushed head first into flowing debris. Swam to stay above snow and emerged on top in chest deep pile.

Snowpit or crown profile photo or graph: 
Weather Observations
Blowing Snow: 
Yes
Wind Speed: 
Moderate
Precipitation: 
Snow
Wind Direction: 
Southeast
Accumulation rate: 
Less than 1 in. per hour