Loose snow avalanches on Castle Peak

Location Name: 
Castle Peak
Region: 
Donner Summit Area
Date and time of avalanche (best estimate if unknown): 
Mon, 02/13/2012 - 05:00
Location Map: 
United States
39° 21' 53.892" N, 120° 20' 52.3428" W
See map: Google Maps
US


Red Flags: 
Recent loading by new snow, wind, or rain
Obvious avalanche path
Observation made by: Forecaster
Avalanche Observations
Avalanche Type: 
dry,loose,
Trigger type: 
Natural
Aspect: 
Northeast
Weak Layer: 
Storm Snow
Terrain: 
Above Treeline
Elevation: 
8 900ft.
Bed Surface: 
Storm Snow
Number of similar avalanches: 
2
More detailed information about the avalanche: 

Natural loose snow avalanches giving indication of little to no slab formation in this area.

Avalanche Photos: 
Weather Observations
Blowing Snow: 
No
Air temperature: 
Below Freezing
Wind Speed: 
Calm
Precipitation: 
Air temperature trend: 
Warming
Wind Direction: 
Accumulation rate: 
More detailed information about the weather: