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Observation: Summit

Location: Tenderfoot

Date:
Observer:
Route & General Observations

Standard uptrack to approximately 3300′ on the ridge.

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, shallow, wind slab avalanches on adjacent slopes.

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

Partly sunny, calm wind in the morning, then wind picked up to 10-15mph in the afternoon, temp was 33 degrees F at the road at 3pm

Snow surface

At treeline and above about 8-14" of new snow (variable, N and NW aspects scoured, S and SW aspects loaded). Small wind skin just off the ridge on S aspects, then dreamy powder! Crusty below treeline...

Snowpack

We dug a pit dug at 2,900', WSW face, on a 37 degree slope. Total snow depth was 100cm. ECTP21 SC Q1 80cm down on facets (likely Thanksgiving facet layer) above melt freeze crust. We identified the buried surface hoar layer ~40cm down, but this was not reactive in our tests.

Photos & Video
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