Observation: Turnagain

Location: Tincan

Route & General Observations

Ascended via standard uptrack on Tincan. to high point at 3238 ft on ridge. Descended via NW face.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Observer Comments

Noted several glide crack avalanches on the SW side of Tincan ridge in area of Southside ski run. Roller balls and small loose snow avalanches below cornice on S side of Tincan ridge.

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

Mostly sunny in am with some thin AS clouds moving in by pm. At 15:47 at 3238 ft on Tincan was 45F with winds SE@3-4 mph.

Snow surface

Boot supportable M/F crust in valley bottom near parking lot. By mid afternoon snow on S and W facing slopes had softened with boot penetration to 1 ft. N side of Tincan ridge at 3238 ft covered by up to 12 in wind transported snow on old M/F crust.


Rock hard snowpack at valley level. Avg snow depth 165 cm. At approx. 2100 ft and above M/F crust covered by 2-3 in of ski-supportable sintered snow deposited during storm last Tuesday? Noted signs of wind transport. By midafternoon snowpack on S. side ridge had softened. However N. side consisted on 6-12 in thick wind transported soft slab on 3 in M/F crust. Quick shovel shear test in hasty pit gave STM at contact between 6 in soft slab and underlying M/F crust.

Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.