Avalanche on Castle Pk, one caught, 0 burials

Location Name: 
Coon Creek cirque
Region: 
Donner Summit Area
Date and time of avalanche (best estimate if unknown): 
Thu, 03/07/2013 - 15:59
Location Map: 
United States
39° 21' 48.4848" N, 120° 20' 37.4028" W
See map: Google Maps
US


Red Flags: 
Observation made by: Public
Avalanche Observations
Avalanche Type: 
dry,slab,
Slope: 
38degrees
Trigger type: 
Skier
Crown Height: 
2 ft
Aspect: 
North
Weak Layer: 
Storm Snow
Avalanche Width: 
60ft.
Terrain: 
Above Treeline
Elevation: 
8 600ft.
Bed Surface: 
Old Snow
Avalanche Length: 
700ft.
Number of people caught: 
1
More detailed information about the avalanche: 
Avalanche observation video: 

Castle peak avalanche near miss March 7, 2013 #1

Castle peak avalanche near miss March 7, 2013 #2

Castle peak avalanche near miss March 7, 2013 #3

Castle peak avalanche near miss March 7, 2013 #4

Weather Observations
Cloud Cover: 
100% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Light
Precipitation: 
Snow
Air temperature trend: 
Static
Wind Direction: 
Southwest
Accumulation rate: 
Less than 1 in. per hour
More detailed information about the weather: