Observation: Turnagain

Location: Center Ridge

Route & General Observations

Standard track along center 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?No
Collapsing (Whumphing)?Yes
Cracking (Shooting cracks)?No
Observer Comments

Localized whumphing in protected areas

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

clear skies, no wind, temps: 20* freedom units

Snow surface

Sun crust on southerly aspects, high ski quality everywhere else.


Pit 1: 431m (1400'), SW aspect, 32* slope, HS= 140cm Primary layers of concern: 1) suncrust on current surface snow 10 cm from surface(ECTP 1 ) 2) buried suncrust from the March drought 20cm from surface(ECTN 12 )

Pit 2: 555m (1800'), SW aspect, 19* slope, HS = 140cm. Site of a localized whumph in wind protected area. Primary layers of concern: 1) faceted snow 15cm from surface (ECTP 1) 2) buried surface hoar 50cm from surface(ECTP 12)

Pit 3: 615m (2000'), NE aspect, 25* slope, HS = 200 cm. Primary layer of concern: 1) faceted snow 15cm from surface (ECTN 11) 2) buried surface hoar 70cm from surface (ECTP 30)

Photos & Video
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