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Avalanche: Turnagain

Location: Tincan Trees

Date:
Observer:
Route & General Observations

Standard route up Tincan to weather station.

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger SkierAvalanche Type Soft Slab
Aspect West NorthwestElevation 2500ft
Slope Angle 37degCrown Depth 24in
Width 40ftVertical Run 100ft
Avalanche Details

D1.5 remote triggered by skier approaching convex rollover. Slope was on leeward side of small ridge. The crown was not investigated, but most likely storm snow with enough wind loading to create a firm enough slab to propagate.

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)?Yes
Observer Comments

Cracking occurs on most wind affected slopes and convex rolls. Whumphing was heard once at ~2500'.

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

Snowing hard and warm. 32 degrees at Tincan pullout at 3:30pm.

Snow surface

New snow is wet and heavy, especially below 2000'

Snowpack

Hand pits showed poor bonding between new-old snow interface, especially below 2000' where rain crust is present.

Photos & Video
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