Avalanche: Turnagain

Location: Tincan Trees

Date:
Observer:
Route & General Observations

Tincan trees north side.

Avalanche Details
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Trigger SkierAvalanche Type Soft Slab
Aspect NorthElevation 2200ft
Slope AngleunknownCrown Depth 10in
Width 30ftVertical Run 100ft
Avalanche Details

Skier remote triggered D1 wind slab that stepped down to the buried surface hoar. The skiers line, as planned, was not where avalanche released.

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

Skier remote trigged avalanche. A few shooting cracks near treeline on wind loaded aspects.

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

Clear sunny skies. Temps around 20.
Light to moderate SW winds at treeline at the base of the CFR ridge with minimal snow transport. We observed previous southerly wind affect. At around 4pm we observed NW winds transporting snow on Tincan common summit.

Snow surface

10-15cm ski pen through the trees.
5cm wind crust on northerly aspects from previous southerly winds.
10+cm wind slabs on isolated northerly aspects.

Snowpack

Hand pits revealed BSH 25cm down.

Photos & Video
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