CNFAIC LogoCNFAIC Logo

Observations

Region: Turnagain
Location: Tincan
Observer:
Date:

Route & General Observations

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

Avalanche Details

Avalanche details

Trigger SkierAvalanche Type Soft SlabAspect West Southwest
Elevation 3000ftSlope AngleunknownCrown Depthunknown
WidthunknownLengthunknown  

Observer Comments

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

Red Flags

Obvious signs of instability

Recent Avalanches?YesCollapsing (Whumphing)?YesCracking (Shooting cracks)?Yes

Observer Comments

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

Weather

Weather

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

Snow Characteristics

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).

Snowpack

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

Photos



USFS SNOW AND AVALANCHE HOTLINE (907) 754-2369
If you have comments or questions regarding CNFAIC operations or winter recreation management, please email staff@chugachavalanche.org
© 2017 Chugach National Forest Avalanche Information Center. All rights reserved.
FCNFAIC
Donate
If you think a public avalanche
center is important then we urge
you to become a member & donate.


PickClickGive