Avalanche on Stevens Peak

Location Name: 
1/4 mile SW of Stevens Peak
Region: 
Carson Pass Area
Date and time of avalanche (best estimate if unknown): 
Thu, 01/14/2010 - 12:01
Location Map: 
United States
38° 43' 48.4212" N, 119° 59' 4.5888" W
See map: Google Maps
US


Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Observation made by: Public
Avalanche Observations
Avalanche Type: 
slab,
Slope: 
40degrees
Trigger type: 
Other - explain below
Crown Height: 
2 ft
Aspect: 
East
Weak Layer: 
Storm Snow
Avalanche Width: 
200ft.
Terrain: 
Above Treeline
Elevation: 
9 600ft.
Bed Surface: 
Old Snow
Avalanche Length: 
200ft.
Number of similar avalanches: 
1
More detailed information about the avalanche: 

Cornice collapse appears to be the trigger for this avalanche on the crest of the Sierra one -quarter mile SW of the summit of Stevens Peak.

Avalanche Photos: 
Weather Observations
Air temperature: 
Above Freezing
Precipitation: 
Air temperature trend: 
Warming
Wind Direction: 
Accumulation rate: 
More detailed information about the weather: