Wind Wave Bowl Wind Slab

Location Name: 
Wind Wave Bowl
Region: 
BWRA
Date and time of avalanche (best estimate if unknown): 
Tue, 02/12/2019 - 09:30
Location Map: 


Red Flags: 

Observation made by: Public
Avalanche Observations
Avalanche Type: 
Slab
Trigger type: 
Natural
Crown Height: 
1 ft
Aspect: 
Northeast
Avalanche Width: 
500ft.
Terrain: 
Above Treeline
Elevation: 
10 200ft.
Avalanche Length: 
400ft.
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
Did the avalanche hit a building, vehicle, or structure?: 
No
More detailed information about the avalanche: 

Another fresh, natural wind slab release noted from from the road at Leavitt Junction.  Approx. R3, D2.5

Moderate to strong winds above treeline throughout the day on 2/11 were close to ideal for wind slab formation and persisted throughout the overnight hours into 2/12.

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

Moderate to strong winds below treeline throughout our field day (10am-3pm).  Strong to extreme winds in exposed alpine terrain.