Avalanche: Turnagain

Location: Seattle Ridge

Route & General Observations

AAS Pro 1 class seamlessly transitioned to plan B today given the Seward Highway closure this morning. Tim Thomas (Haines Avalanche Center) and I took advantage of some good vis for a quick trip to the top of Seattle Ridge. Route: Moto uptrack to top of Warm up bowl. Had a good look around Warm up and Main Bowls.

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalRemote Trigger No
Avalanche Type Soft SlabAspect West
Elevation 3000ftSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

Noticed a couple storm slabs late in the day on a West Face of Lipps at about 3K. Appears to have been triggered by wet loose/ roller balls.

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

Visibility was in and out today, some periods of brilliant sun and some periods of high clouds/ flat light. Winds were light to moderate from the S on Seattle ridge, gusting up to ~20mph. Temps were mid 20's on the ridge, low 30's at the p lot. No new snow today but Pro 1 students set out a storm board at Center Ridge yesterday morning. 15cm measured this afternoon.

Snow surface

Creamy pow. Lower density than anticipated coming from Girdwood this morning. Some wind affect on the ridge and the backside of Seattle. One report from Main Bowl was that snow surface was soft, and Juniors was significantly wind effected.


HS = 180cm. Test pit info below.
Loc: Seattle Ridge
Ele: 2900'
Asp: SE
Slope: 23 degrees
Test scores: ECTP20,21 on small facets (.5-1mm) down ~40cm on hardness change b/n F and 4F.

New Years Crust was down 80cm at this location.

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.