Avalanche: Chugach State Park

Location: WSW facing 2000' - 3500'

Route & General Observations

up through sparse spruce and cottonwoods to alpine following subtle ribs and benchs

Avalanche Details
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Trigger NaturalRemote Trigger Unknown
Avalanche Type Soft SlabAspect West Northwest
Elevation 3400ftSlope Angleunknown
Crown DepthunknownWidth 80ft
Vertical Run 175ft  
Avalanche Details

shallow wind slab release overnight

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)?No
Observer Comments

recent wind slab avalanche, collapse under 4th skier in skin track, active wind loading & some new snow. Very poor structure
ski penetration = 5-15cm, boot pen = 90-100cm;
HS 130cm, 24* SA, West ~2500' elev.; RB2 WB Q1 in 3-4mm facets under MF crust @ 98 cm

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

SSE wind 10-15G30mph. overcast, low to mid-20*s

Snow surface

windboard, recent wind transported snow, small sastrugi, suncrust and settled powder


an upper MF crust on solar aspects either at the surface or under 1-3" new snow over facets over older 5cm thick MF crust over nearly bottomless facets

Photos & Video
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