Avalanche: Turnagain

Location: Seattle Ridge Road Obs

Date:

April 5, 2017 7:18pm

Observer:

Johnston-Bloom/ Thamm Professional

Route & General Observations

More photos from road observation through Turnagain Pass to Summit. Observations on Pass at 11:30 and 1:00 pm.

Avalanche Details

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Trigger	Natural	Remote Trigger	0
Avalanche Type	Unknown	Aspect	Southeast
Elevation	2300ft	Slope Angle	unknown
Crown Depth	unknown	Width	unknown
Vertical Run	unknown

Avalanche Details

Widespread avalanche activity all along Seattle Ridge all believed to occurred on 4.4.17. Still a few paths left to slide.

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

Recent avalanches. Natural avalanche observed in motion on Tri-tip mountain in Summit Lake.
Above freezing temperatures (44F at Center Ridge Snotel).
Raining

Weather & Snow Characteristics

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

Weather

Temps at 12pm were 44F at Center Ridge Snowtel (1880'), 28F at Sunburst (3800'), 32F at Seattle Ridge (2400' )
Sunburst winds were 15-20 from the ENE gusting into the 30s
Sun was poking through cloud cover at times, but skies were mostly obscured
Lightly raining

Snow surface

Wet snow at road level

Photos & Video

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