Observation: Turnagain

Location: Center Ridge

Route & General Observations

Center Ridge. Beauty day.

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)?Yes
Cracking (Shooting cracks)?Yes
Observer Comments

Many signs of instability: positive results on test slopes, recent avalanches, wind loading, shooting cracks, and widespread whumpfing above the weather station on surface hoar buried about 30 cm down.

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

Partly cloudy to clear, 20's, calm

Snow surface

Some wind scour but mostly soft new snow.


The buried surface hoar layer buried about 30cm deep was the layer of concern. We watched whumpfs propagate away from us as slow visible waves.

Photos & Video
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