Avalanche: Douglas Island

Location: Stephen's passage side of Big Dam Valley

Route & General Observations

Smaller slide to the left of the hill caused by a different snow machine group.

Avalanche Details
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Trigger SnowmachinerAvalanche Type Unknown
Aspect South SouthwestElevation 2800ft
Slope AngleunknownCrown Depthunknown
WidthunknownVertical Rununknown
Avalanche Details

Lower slide caused by snow machine then the top went once the lower had finished.

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)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Dug two pits 30 feet from each other. Pit closest to the slide collapsed while cutting the back the pit furthest away took more hitting than thought.

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

Mostly cloudy with snow flurries.

Snow surface

Fresh snow


Wind blown on top of crust.

Photos & Video
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