Avalanche: Turnagain

Location: Silvertip Creek

Date:
Observer:
Route & General Observations

Went up Silvertip creek – noted large debris pile at bottom of the creekbed. Debris rolled uphill onto the skin track on the opposite side (where we were skinning). Couldn’t see the crown until we climbed out of the valley fog at about 3000ft. Noted 1-2 mile long continuous crown along entire ridgeline. Many areas ripped out to the ground. Dirt visible on hillside and amongst debris pile at bottom. Crown went out of sight to the northwest, might be longer.. Aspect of slide was ENE. Active windloading on east-facing slopes while we were nearing top of Silvertip. winds 10-15mph.

Avalanche Details
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Trigger NaturalAvalanche Type0
Aspect UnknownElevationunknown
Slope AngleunknownCrown Depthunknown
WidthunknownVertical Rununknown
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)?No
Cracking (Shooting cracks)?No
Observer Comments

nothing where we were.

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

Chilly in valley bottom, warm inversion layer in the fog, cold above fog.

Snow surface

crust at road level, great untouched, well bonded powder from 1800ft upwards. New frosty flowery crystals forming in fog layer and above.

Snowpack

no pit.

Photos & Video
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