Avalanche: Turnagain

Location: Little Sweden

Route & General Observations

AAS Moto Level 1 course went up the uptrack, and out to Pyramid. Played in all the bowls and powder stashes along the way.

Avalanche Details
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Trigger SnowmachinerRemote Trigger Unknown
Avalanche Type Hard SlabAspect East Southeast
Elevation 2800ftSlope Angle 35deg
Crown Depth 10inWidth 100ft
Vertical Run 50ft  
Avalanche Details

Found a small snowmachine triggered windslab. Looks to be a newly formed windslab from light winds overnight on Feb 5th.

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)?No
Cracking (Shooting cracks)?No
Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Sky: Clear
Temp: 18-high 20s in sun
Wind: Mostly calm, some gust to 15mph further south on ridge
Precip: Trace of new snow

Snow surface

Wind affected and lots of tracks everywhere


We were able to pop out small wind slabs on several test slopes, 4-16" slabs sitting on hard bed surface with facets/surface hoar in between. After small slabs popped out you could see the sparkling facets/surface hoar on bed surface. We did not see any evidence of large avalanches. In a pit we got CT15RP and ECTN15 on the faceted layer down roughly 30cm. See photos for profile.

Photos & Video
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