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Avalanche: Turnagain

Location: Tincan, Treeline

Date:
Observer:
Route & General Observations

11:15- Started tour with Matti S. & Taylor from lot with 24 other vehicles present, heading towards treeline on well-filled in skin track.
Intended on staying within trees and to assess recent snow storm.
Skied 3 laps within treeline bowls and conducted snowpack tests.
Multiple Parties within all treeline bowls, as well as various parties ascending/descending Common Bowl.

Avalanche Details
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Trigger CorniceAvalanche Type Soft Slab
Aspect SouthElevation 3400ft
Slope Angle 40degCrown Depth2ft
Width 25ftVertical Run 60ft
Avalanche Details

Cornice Release on Tincan Common Ridgeline. (Adjacent to Common Bowl Convex)

Red Flags
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Observer Comments

Cornice release with soft-slab avalanche on Ridgeline above Common Bowl near Entrance above main "Convex".

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

-Winds <5mph from South trending to 15mph( gusts of 20mph) after 14:00.
-S1 below 1,500 ft. and S2 by 2,000ft+ after 14:00

Snow surface

10-15cm of fresh Snowfall with wind-effected aspects as much as 30cm
No obvious surface hoar developing but temperatures were gradually dropping from 21°F to 16°F, so should be present tomorrow. .
Southerly Winds were transporting snow as early as 12:00pm

Snowpack

14:20, EL 2,240 ft, Slope 33°, Aspect W,300°, 17°F
HS 133cm
*See Hardness Profile Photo*

Tests:
-STM @ 75cm down on SH, MF, Clustered Rounded Grains
-CTN
-ECTX

Photos & Video
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