Avalanche: Turnagain

Location: Tincan Trees

Date:
Observer:
Route & General Observations

Nice day, fun snow, conditions to be wary of.

Avalanche Details
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Trigger SkierAvalanche Type Soft Slab
Aspect WestElevation 2100ft
Slope AngleunknownCrown Depth 16in
Width 40ftVertical Run 20ft
Avalanche Details

Triggered a small slide on a steep unsupported rollover in Tincan trees.

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

Group heard about 10 whumpfs today from 1000' to 2100' - were most distinct and loud in the flats beside parking lot. A few collapses - most distinct around 2500' in the rollers under Tincan Common Bowl. Personally set off 1 small 20' x 10' slide on a steep unsupported west facing roller at 1900'.

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

Surprisingly cloud free, sunny, apprx 30 degrees.

Snow surface

New light snow apprx 3" @ 1000' & 4" @ 2200' (in addition to 16" storm snow). Recent snow depth increased & dried with elevation, to apprx 2400' where the new snow depth markedly decreased from about 20" to around 12". The layer underneath the storm snow in the Alpine was notably firmer than below Alpine.

Snowpack

A group near us yielded an ECT 18 and 13 @ 2200' on a west aspect w/ low quality sheer.

Photos & Video
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