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Avalanche: Summit

Location: Wrong mountain, North of Carter lake

Route & General Observations

Wrong mountain. North of Carter lake, when looking north from the lake up slope in the ridge of trees. Hiked up from Carter ptarmigan hunting (none to be had), stayed toward the east through the obvious path avoiding the steeper area. Reached the ridge put on snow shoes and hiked around the ridge, still no birds. I went around a band of trees at this point. I was going to hike to where I came up but decided to take off my snow shoes. I took both snow shoes off and heard a very quit whoomph. About 45′ away on the steeper slope an avalanche occurred.

Avalanche Details
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Trigger Foot PenetrationAvalanche Type Hard Slab
Aspect SouthElevation 1700ft
Slope Angle 35degCrown Depth 14in
Width 40ftVertical Run 125ft
Avalanche Details

Remotely triggered. Slid on depth hoar near the ground. Wind loaded near trees.

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?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?No
Observer Comments

Only collapse I heard was at the time of avalanche

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

Blue Bird, Calm, no new snow

Snow surface




Photos & Video
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