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Avalanche: Turnagain

Location: Tincan Trees

Date:
Observer:
Route & General Observations

Standard Tincan uptrack to 2250′

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 Type0
Aspect NorthwestElevation 2200ft
Slope Angle 37degCrown Depth 15in
Width 25ftVertical Run 60ft
Avalanche Details

We came upon a skier/rider triggered avalanche, D1, soft/storm slab.

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

Snowing 1+ inches an hr.
Observed a recent skier triggered avalanche and heard a report of a rider triggering a similar pocket of storm slab on a steep roll skinner's left of the skin track near treelike.
Shooting cracks in wind loaded areas at treeline.

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

Obscured sky
Snowing 1+/inches per hr. = 5 inches of accumulation at the car from 11-3:30!!!
Temps in the high 20's
Moderate ENE Winds

Snow surface

1000'-2250' 12-18" of storm snow!

Snowpack

Dug a pit @ 2200' on a SE aspect. See Photo. Predominately a right side up snowpack.
ECTX, Found the Buried Surface Hoar and Near Surface Facets above the Thanksgiving rain crust. Both were none reactive in tests. Near Surface Facets were rounding and the Buried Surface Hoar was laid over.
Shovel tilt had no results.
Hand pits in wind loaded area produced easy shears.

Photos & Video
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