Far East Ridge Tamarack Avalanche

Location Name: 
East Ridge Tamarack
Region: 
Mount Rose Area
Date and time of avalanche (best estimate if unknown): 
Mon, 03/21/2011 - 08:15
Location Map: 
United States
39° 18' 46.98" N, 119° 54' 42.5628" W
US


Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Obvious avalanche path

Observation made by: Professional Observer
Avalanche Observations
Avalanche Type: 
dry,slab,
Slope: 
39degrees
Trigger type: 
Other - explain below
Crown Height: 
2 ft
Aspect: 
Northeast
Weak Layer: 
Storm Snow
Avalanche Width: 
150ft.
Terrain: 
Near Treeline
Elevation: 
9 300ft.
More detailed information about the avalanche: 

Avalanche observed on the Far East Ridge of Tamarack Peak. Trigger coulb be natural or cornice collapse. Crown and flanks were easily distinguishable from across the highway, and appear to be at least 2ft. Unkown running length. Slide appears to have occured in the early morning hours.

Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
100% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Strong
Precipitation: 
Snow
Air temperature trend: 
Static
Wind Direction: 
Northwest
Accumulation rate: 
Less than 1 in. per hour
More detailed information about the weather: 

Significant wind transport of snow has loaded and cross loaded N-E aspects. Snow is still falling but the storm appears to be breaking this morning.