Likely 12/24 natural wind slab avalanche on Silver Peak

Location Name: 
Silver Peak, N Ridge
Region: 
Cabin Creek, Deep Creek, or Pole Creek Area
Date and time of avalanche (best estimate if unknown): 
Thu, 12/24/2015 - 14:00
Location Map: 
United States
39° 13' 25.338" N, 120° 14' 47.472" 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
Slab
Trigger type: 
Natural
Aspect: 
East
Terrain: 
Near Treeline
Elevation: 
8 100ft.
More detailed information about the avalanche: 

Visible crown of natural avalanche that likely occurred on Dec 24 under active storm wind loading conditions. Photos taken from afar. The crown that was easily visible to the naked eye is very difficult is see in the photo. Crown visible below small cornice formation along N ridge. Active wind loading today made conditions unsafe to cross from the E ridge of the peak to the N ridge were the crown was located. All info as to likely size and avalanche type is estimated and unverified by crown profile data.

Estimated size: Crown depth = 1 meter, Crown width 30 meters. Down slope run unknown.

Avalanche type: Most likely a wind slab failing at or above the 12/24 rain crust.
 

Avalanche Photos: