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Avalanche: Turnagain

Location: Tincan North side

Date:
Observer:
Route & General Observations

Toured across the bottom of Tincan following the standard northern out-track from the Tincan Trees to below CFR and up to the lower most portion of the North side avalanche crown. The avalanche released yesterday (3.18.19) between 12:15-12:25. Timing was captured by the DOT RWIS camera.

Avalanche Details
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Trigger NaturalAvalanche Type Hard Slab
Aspect NorthElevation 3000ft
Slope AngleunknownCrown Depth5ft
Width 1000ftVertical Run 2000ft
Avalanche Details

HS-N-R4-D3.5-O
Crown was 2-8' deep
Mostly pencil hard snow over 1F facets/bsh
See photos

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

Widespread avalanche cycle

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

Broken skies becoming partly sunny.
No precipitation
Temperatures in 20Fs to 40Fs (at road level)
Winds were light

Snow surface

Supportable crust to our high point at 2300'. Distinct runnels below 2000'.
At 3 pm on our way down surfaces with any solar tilt had started to soften and become punchy. Surface crust at 1100' on easterly slope had disappeared. Pole and skis easily sank down into saturated snow.

Snowpack

Below crust at 1000' and 1500' there was wet snow "blue goo". Below the crust at 2000' and 2300' the snow was moist.
HS @ 1000' 180 cm
HS @ 1500' 200 cm
HS @ 2000' 160 cm
HS @ 2300' 210 cm
See crown profile picture. 3.18.19 avalanche released on a thin layer of small facets and surface hoar that was buried on March 8th with the first snow after the extended high pressure.

Photos & Video
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