Avalanche: Turnagain

Location: Tommy Moe Run

Route & General Observations

Skier triggered avalanche on Tommy Moe run described in Avalanche Details.

Avalanche Details
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Trigger SkierRemote Trigger No
Avalanche Type Soft SlabAspect Southwest
Elevation 4000ftSlope Angle 45deg
Crown Depth 8inWidth 30ft
Vertical Run 300ft  
Avalanche Details

Slab broke at my feet in steep terrain 1/3 of the way down a spine on the west face of Granddaddy. The avalanche moved fast and picked up a significant amount of snow - enough to knock over or carry a skier. I did not stop to see what the bed surface was, but the slide depth appeared to be limited to the (presumably) wind slab. No pictures of the spine avalanche as it was obscured by the spine at the bottom. Skinning back up the gully (which 3 people had already skied) to the summit of Granddaddy peak, several other very small wind slabs broke out ranging in depth from 3 to 8 inches. These slabs were functionally cut out and isolated on all sides by ski tracks and the skin track.

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