Avalanche: Turnagain

Location: Non-Motorized side of Turnagain Pass

Date:

April 5, 2017 11:00

Observer:

Johnston-Bloom/ Thamm Professional

Route & General Observations

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	Unknown
Elevation	unknown	Slope Angle	unknown
Crown Depth	unknown	Width	unknown
Vertical Run	unknown

Avalanche Details

Widespread avalanche activity observed on Petes South, Cornbiscuit, Magnum, N. side of Sunburst, Eddies, and Wolverine. All believed have occurred on 4.4.17. Still hard to see much above 2500'. Avalanches also observed in Skookum and on N side of Pyramid.

Better photos of AKRR/DOT Avalanche Hazard Reduction debris along Seward Highway corridor

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

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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