Avalanche: Douglas Island

Location: Troy

Date:
Observer:
Brent Wittmer
Route & General Observations

Regular Troy route. Nice undisturbed snow below ~2700 ft. Observed natural release noted by other folks.

Avalanche Details
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Trigger NaturalAvalanche Type Hard Slab
Aspect WestElevation 2800ft
Slope AngleunknownCrown Depthunknown
WidthunknownVertical Rununknown
Avalanche Details

Natural release wind slab - Same as observed in Caleb Wylie's obs.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Significant, active wind transport.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

Mixed clouds. Significant NE wind - active wind transport. Mostly cross loading primary aspects for troy skiing. No notable loading below ~ 2700 feet with the exception of the steeper faces (further out lookers right from skin track)

Snow surface

Powder below ~2700 ft. Intriguing sastrugi, wind slab, ice crust mosaic above.

Snowpack

Extended Column Test at 2800 ft. NW Aspect. 28 Degree Slope. Cross loaded, windslab surface. 135cm snowpack.
- ECTP2 at 20cms from surface. Interface between yesterday's new snow and the wind slab that has formed on top (natural release at similar aspect/elevation. Same layer interface, I believe).

Photos & Video
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Natural Release - Troy  

ECTP2 20CM - Troy 11.05.22  

Location