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Observation: Summit

Location: Fresno Ridge

Date:
Observer:
Route & General Observations

Ascended east aspect of Fresno ridge to 2,300 ft. Good skiing but east facing aspects have been wind affected since 2/15/2020.

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)?Yes
Observer Comments

Collapsing and Whumphing observed while setting new skin track

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

~0.5" (road level) and ~2" at 2,000 ft, cloudy no precipitation during tour, 20s F, light to moderate wind from the north.

Snow surface

Wind loading above 1500 increasing in depth as we ascended, 10-20 cm+ of wind deposited snow filling skin track set 2/15/2020 by Avi 2 course. Wind slab forming but soft and easily punched with pole. Wind loading observed on east and southeast aspects.

Snowpack

Fresno Ridge, 2000 ft on east aspect @ 13:00 on 27 deg slope in similar location to Avi 2 course observation from 2/15. Height of snow 100 cm.

CT13Q1 40 up from ground above ice crust (dec 9?) in F hard facts. ECTP27 75 cm up from ground above crust (nye?) in F hard facets. PST31/100 End on same layer.

Photos & Video
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