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Avalanche: Turnagain

Location: Silvertip Trees

Date:
Observer:
Route & General Observations

Climbed to treeline knob (~2300′), descended benchy open trees, generally working skiier’s left

Avalanche Details
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Trigger SkierAvalanche Type Soft Slab
Aspect NortheastElevation 1500ft
Slope Angle 30degCrown Depth 24in
Width 70ftVertical Run 100ft
Avalanche Details

First skier made a few turns on a slightly steeper slope than we'd previously been on, hugging trees while entering a small alder gully. Other two skiers in the group were not far behind and were on the slab by the time the fracture propagated and released. Small terrain feature with larger consequences due to density of alder and choke of gully. All three skiers caught and carried - the first skier was carried ~100' and partially buried (able to extricate themself). Other two in the group only carried ~30' and able to arrest. Appeared to be storm slab on buried surface hoar.

Red Flags
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Observer Comments

None. When she went, she went aggresively

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

Light snow all day. Sunshine at the truck 4pm

Snow surface

Wet snow to ~1200'. Drying out as we climbed. Alpine was dreamy pow.

Snowpack

No formal pits dug

Photos & Video
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