Observation: Turnagain

Location: corn biscuit

Route & General Observations

Standard corn biscuit up track. Light and blowing snow. Wind seemed to change direction but predominantly from the southwest. Variable surface with a few inches of new snow.

Contact, Location & General Observations
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Forecaster Comments

Additional info after asking about any surface hoar observations and to elaborate on the SW wind direction, which isn't the NE direction that was happening at Sunburst Wx Station and on other ridgetops that day.

"I didn't notice surface hoar at any elevation. Even looked for it in the lower meadows and didn't see any, at least from 6' up. Didn't see any areas/elevation that was protected from the wind. From what I recall most wind devils were tracking south and saw plumes off of magnum heading south. From where we were though the gusts seemed to be from the southwest, we faced magnum to peel skins for that reason. Noticed wind came from different directions though but strongest gusts from southwest. Also winds from the east cross loading the first north facing chute on corn biscuit."

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

No obvious signs of instability. Could see the cornice triggered slide on magnum during a brief period of clearing around 1.

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

Light blowing snow. Low visibility.

Snow surface

Variable with pockets of old non reactive wind slab, sun crust and some new snow.


Pit on west aspect, 33 degree slope, ~2800'. Height of snow 145cm to the ground. First 20cm 4f moist high density, 1f 105cm, p 107 crust, 4f 129cm, p 131cm crust, f 145cm. Ctv sp 86cm down failure on crust. Ectx.

Photos & Video
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