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Observation: Turnagain

Location: Sunburst, below weather station

Date:
Observer:
Route & General Observations

Sunburst parking lot to Taylor Pass and up south ridge to Weather Station. Installed new battery/ sensors at weather station and it is now back online!! Best surface snow was found in the meadows on Sunburst approach (<2400′).

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 deep slab avalanche on Pastoral, well documented yesterday.
Active wind loading most of the day today in mid and upper elevations.

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

12F at parking lot @ 1000 warming to 22 on ridge (3800') @ 1430.
Winds were moderate from the SE. Active pluming seen on high ridges in Turnagain Pass and Girdwood Valley.
No Precip.

Snow surface

Soft, settled powder in lower meadows. Surface became pretty wind effected (supportable hard slab) at ~2400' all the way up to Taylor Pass. South Sunburst ridge is wind scoured to rock and tundra.

Snowpack

Dug 1 pit at 3500', just below Weather Station. See pit profile below.
Pretty homogenous pack at this location, WSW aspect @ 3500'.
HS = 165cm. Pencil hard wind slab over a thin melt/ freeze crust just above the ground. 2-4mm advanced facets at the ground.

Photos & Video
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