Observation: Turnagain

Location: Tincan trees

Route & General Observations

Tincan regular route to treeline, two tree runs.

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)?Yes
Observer Comments

Shooting cracks near treeline elevation in wind affected snow.
Two small positive ski tests on steep rolls, with "slub" character.
Three D1-D1.5 Wind Slab avalanches observed (guessing they happened last night or early this am) off Seattle ridge sunnyside, top/cross loaded gullies.

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

Sunny. February sun! Temps in the teens.
Moderate South to West winds with flagging throughout all visible peaks and ridgelines. Calm wind by around noon.

Snow surface

Cold dry stellar's where non-wind affected. Fist plus hard Fragmented precip particles where wind affected.
Ski pen ~50cm.


One pit dug at 2,100' NW aspect, HS 270cm.
ECTN11 down 65cm.
Facet layer of main concern down 100cm with no failure however all my pits from last 4 days of travel in Turnagain Pass and Girdwood valley were all ECTP22-25. Facet layer not to be trusted.