Observation: Turnagain

Location: Sunburst

Route & General Observations

Sunburst common route on west ridge.

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

No Red Flags observed.

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

Brilliant sunshine.
Temperatures in the 20's F along ridge and 34F at parking lot at 430pm.
Light southerly winds along the ridge.
*Strong westerly winds at sea level along Turnagain Arm on drive home in evening.

Snow surface

1-2 inches of new snow from the day before on surface
Southerly aspects had a 1-2" sun crust below the 2" of new snow. The new snow was moistening and beginning to stick to the older sun crust. (photo)
Shaded and wind protected aspects sported soft settled powder
Significant wind effect along ridge itself.


No weakness found in top 2 feet of snowpack in a pit dug at 2,700' on a west aspect.

Noted a wet loose avalanche on the SE aspect of Seattle Ridge that subsequently triggered several pockets of slab avalanches. Unknown when the avalanche occurred but likely on Tuesday with the very warm temperatures.

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.