Observation: Summit

Location: Summit Peak

Route & General Observations

Clear, mild, beautiful. Plenty of evidence of recent NW winds. increasingly supportable wind slab w/ elevation. hollow, drum like in places. Most paths off Summit ridge ran early AM 12/21 stepping down to PWLs.

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)?Yes
Observer Comments

several recent avalanches, wind texture, hollow, drum like; "suspended slab" on pie cuts & other moving tests

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

Recent NW wind

Snow surface

wind skin to wind crust


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Photos & Video
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