Natural avalanche on Pyramid Peak

Location Name: 
Pyramid Peak
Region: 
Desolation Wilderness Area (including Emerald Bay)
Date and time of avalanche (best estimate if unknown): 
Sat, 12/25/2010 - 23:00
Location Map: 
United States
38° 50' 47.616" N, 120° 9' 25.812" W
See map: Google Maps
US


Red Flags: 
Observation made by: Forecaster
Avalanche Observations
Avalanche Type: 
dry,slab,
Trigger type: 
Natural
Aspect: 
Northeast
Terrain: 
Above Treeline
Elevation: 
9 560ft.
More detailed information about the avalanche: 

Large crown above exposed rocks on NE aspect of Pyramid Peak. Avalanche most likely occurred during the tail end of snowfall just prior to midnight on Dec 25.

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