Observation: Turnagain

Location: Seattle Ridge

Route & General Observations

Seattle Ridge common up-track into -1 bowl and over to 1st bowl.

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


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

Broken skies becoming overcast in the afternoon. Light Easterly winds. Temps up to 48F in parking lot at 1,000' and in the mid 30's on the ridge.

Snow surface

South, East, West crusty surfaces becoming moist or wet (at lower elevations) by 1pm. Northerly aspects soft settled powder becoming moist by 2pm.


Interested in looking at the new/old snow bonding. New snow is 16" of settled powder and is sitting on a thin layer of facets over a stout old wind slab. Facets are rounding and did not react.

Dug one pit near a snowmachine triggered storm slab avalanche from Friday Apr, 5th.
Pit: 2,200', NNE aspect 15 degree slope
ECTX x 2, could not get the new/old interface to fail, even in shear tests.

Photos & Video
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