Black Mountain, Northeast Face - Wind Slab

AVALANCHE OBSERVATION
Black Mountain, Northeast Face

Drainage:

Submission Info
d lewis
Forecaster
Thursday, March 8, 2018 - 2:45pm
Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Obvious avalanche path
Avalanche Type: 
Dry
Trigger type: 
Natural
Crown Height: 
1 ft
Aspect: 
Northeast
Avalanche Width: 
500ft.
Terrain: 
Near Treeline
Elevation: 
11 000ft.
Bed Surface: 
Unknown
Avalanche Length: 
600ft.
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

Shallow Wind Slab failure (~D2, R 2, ~500 x 600’, Elevation 11,000’) on Black Mountain’s northeast face above Virginia Lake on a slope with a large southerly fetch and prone to wind transport

Blowing Snow: 
Yes
Cloud Cover: 
25% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Strong
Precipitation: 
None
Air temperature trend: 
Warming
Wind Direction: 
Southwest
Accumulation rate: 
None
More detailed information about the weather: 

Thin cirrus over the eastern horizon. Temps above freezing. 

Number of People Caught: 
0
Black Mountain, Northeast Face 38° 2' 48.2604" N, 119° 16' 2.6616" W

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