Avalanche: Turnagain

Location: Tincan

Route & General Observations

Standard Tincan uptrack to tree line. Surprisingly good skiing up at tree line, but hazardous avalanche conditions abound.

Avalanche Details
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Trigger SkierRemote Trigger0
Avalanche Type Soft SlabAspect West Southwest
Elevation 3000ftSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

3 D1-D2 soft slab avalanches were remote triggered by skiers descending the low angle uptrack of Common Bowl.

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

Remote triggered avalanches, numerous whumpfs, cracking and collapsing around skis.

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

Temps in the low to mid 20's, calm wind, clear skis.

Snow surface

12-16" of soft, settled powder. Intact surface hoar ranging from 1 mm to 3 mm that was widely distributed on all aspects up to 2000 ft elevation (highest point of tour).


Dug two pits at tree line. Both pits showed similar structure, with HS = 70 cm, ~40 cm F new snow over ~15 cm 4F rounding facets over ~15 cm P basal ice. S aspect pit test results: CT 13 at the basal ice / rounding facet interface. CT 15 at the new snow / rounding facet interface. ECTP13 SC at the new snow / rounding facet interface. NW aspect pit test results: ECTP12 at the new snow / rounding facet interface.

Photos & Video
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