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Observation: Turnagain

Location: Road Obs.

Date:
Observer:
Route & General Observations

Road observations today. Girdwood to Mile 62 (Seward Highway) just South of Turnagain pass.

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?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?No
Observer Comments

Good visibility this afternoon afforded me a couple hours to glass a bunch of avalanche terrain visible from the highway throughout Turnagain pass. Folks out and about appeared to be keeping slope angles low on both sides of the highway today.
Spoke with one group at Center ridge who triggered a small wind slab (below treeline) remotely from approx. 100' away. They also experienced localized whumphing on their tour from the parking lot just past the weather station. Another group of snowmachiners in Lynx Creek drainage felt some localized whumphing, also below treeline but did not report any recent avalanches.
Obvious plumes off of the high ridges indicitive of wind loading on leeward (South and West) facing terrain. Cross loading on Seattle ridge was obvious too.

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

Rain snow line at about 700' throughout the day today. Snowing in the morning with strong (112mph gust at Sunburst) ridgetop winds. Skies broke apart about 3pm on the Pass. Temp at 1,000' was 31 degrees. 4-6" of heavy, wet snow at 1,000' overnight and this morning.

Snow surface

Very heavy and wet at 1,000'.

Snowpack

Did not make it off the road today.

Photos & Video
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