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Observation: Turnagain

Location: Tincan

Date:
Observer:
Route & General Observations

Ascended standard skin track to 2500′ on Tincan to take inventory of the weak faceted snow created over last few weeks of cold, clear weather. We found very loose, Fist Hard, snow in the top 10-20″ of the snowpack. Overnight 2-3″ fell on this weak layer.

Red Flags
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Observer Comments

Triggered several small point releases on a steep ~40 degree test slope

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

Overcast with fog obscuring visibility at times
Temps ~30 F at 1000'
by 3pm at sea level temps were 36F
Light winds with gusts to 15mph from the NE. Winds seemed to be picked up in the afternoon.

Snow surface

2-3" of low density new snow from overnight at all elevations

Snowpack

Under the new snow from overnight faceted weak snow was found in the top 10-20" of the snowpack and was widespread at all elevations and aspects. These facets were Fist hard and more developed (up to 2mm in size) in thinner areas of the snowpack. In a pit at 2500' on a Southwest aspect we found facets within the top 20" of the snowpack.

1000' HS~40cm (15")
2000' HS~75cm (30")
2500' HS~100cm (40")

Photos & Video
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