Avalanche: Douglas Island

Location: Lower Troy Bowl

Route & General Observations

20-30cm of new very low density snow (NWS noted 40:1 ratio last night). Skiing you could still feel the old snow surface under the new snow.

Avalanche Details
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Trigger SkierAvalanche Type Soft Slab
Aspect UnknownElevation 2300ft
Slope AngleunknownCrown Depth 6in
Width 20ftVertical Run 70ft
Avalanche Details

Numerous easy to trigger test rolls and slopes. Pretty much every test slope you could approach would slide. Very low density snow and not quite a hazard to people. . .. . .yet. R1 D.5's

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

Easy to trigger test rolls from below or above. Some were remote trigger collapses on flat terrain.

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

Snow 2cm/hr. East winds increasing.

Snow surface

New snow 6-8mm stellars.


New snow is easy to trigger but is not enough load to impact the crust/facet combo or the windslab/crust/facet combo.

Photos & Video
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