Cornice fall in Negro Canyon

Location Name: 
Peak 7483
Region: 
Donner Summit Area
Date and time of avalanche (best estimate if unknown): 
Sat, 02/06/2016 - 13:30
Location Map: 
United States
39° 20' 46.4856" N, 120° 17' 44.5992" W
See map: Google Maps
US



Observation made by: Educator at Tahoe Mountain School
Avalanche Observations
Avalanche Type: 
Wet
Slope: 
35degrees
Aspect: 
Northeast
Terrain: 
Above Treeline
Elevation: 
7 300ft.
More detailed information about the avalanche: 

Large cornice fall observed on a NE aspect above treeline in the Negro Canyon area. The cornice failure looked to be a day or two old. There was no signs of instability in the snowpack even from such a large trigger.

Avalanche Photos: 
Weather Observations
Blowing Snow: 
No
Cloud Cover: 
25% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Calm
Precipitation: 
None
Air temperature trend: 
Static
Wind Direction: 
Southwest