Deadman Drainage

Location Name: 
Deadman Drainage
Region: 
BWRA
Date and time of avalanche (best estimate if unknown): 
Sun, 04/21/2019 - 09:07
Location Map: 


Red Flags: 
Rapid warming
Obvious avalanche path
Terrain Trap

Observation made by: Avalanche Specialist
Avalanche Observations
Avalanche Type: 
Dry
Slab
Slope: 
39degrees
Trigger type: 
Natural
Crown Height: 
3 ft
Aspect: 
Northeast
Weak Layer: 
Other - explain below
Avalanche Width: 
40ft.
Terrain: 
Near Treeline
Elevation: 
9 490ft.
Bed Surface: 
Other - explain below
Avalanche Length: 
80ft.
Number of similar avalanches: 
1
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: 

The first photo is of a Cornice Fall avalanche just above Deadman drainage. The natural avalanche must have succumb to its own weight during early morning sunrise after a cold night. It wasn't the most dramatic Cornice fall I've ever seen but it could have crushed a rider if they happen to be under it. Second photo is of a South facing aspect with a perfect point release Loose Wet avalanche.

Avalanche Photos: 
Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
25% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Light
Precipitation: 
None
Air temperature trend: 
Cooling
Wind Direction: 
Northwest
Accumulation rate: 
None
More detailed information about the weather: 

A cold start to the morning had solidly frozen surface snow to contend with in the alpine. Winds were gusting to moderate at the trailhead but diminished by the time we hit treeline. It was above freezing as we traveled but the light winds kept things chilly. Clouds to our West were looking cumulus & ominus but they dissipated as they approached the crest.