Red Cone new wind loading

SNOWPACK OBSERVATION
Red Cone regular approach
Submission Info
Friday, March 31, 2017 - 8:15pm
Red Flags: 
Recent loading by new snow, wind, or rain
Barbara Wanner 37° 35' 50.28" N, 119° 1' 23.2752" W
Any other comments about the observation or links to outside pages that have more info on the observation: 

 

About 4 cm of light powder on the old snow surface at Tamarak. Increasing as we climbed up to Lake Mamie. About 7 cm of me snow in the trees at that level. Not wind affected. At 9300 ft wind transport started . E Winds visibly loading NW side of ridge above Lake George cabins. Stomped on several newly loaded pillows. They slid very locally around my skies. Did not propagate farther away. New wind loaded pillows did not seem connected to each other. Slid on pre-storm crust. 

Hand shear very easy force , broke at 30 cm elev. 9800 ft, NW aspect. Gully sidewall .Block broke into three different soft wind deposited layers. Bottom of block was soft, irregular MF grain layer. 

Tair -10 C Tsurf -10 C Foot pen 35 cm ski pen 15 cm at 9800ft ENE wind , speed :moderate. Widespread moderate snow transport. Watched small corniceson on NW ridge break off spontaneously.

 

Skiing conditions very variable. E aspects: firm supportable crust under varying amounts of new snow. Spots of wind affected new snow up to 15-20 cm.

N aspects in the trees had breakable crust under a few inches of new snow. 

 

 

Weather Observations
Blowing Snow: 
Yes
Cloud Cover: 
100% of the sky covered by clouds
Air temperature: 
Below Freezing
Wind Speed: 
Moderate
Precipitation: 
Snow
Air temperature trend: 
Static
Wind Direction: 
Northeast
Accumulation rate: 
Less than 1 in. per hour

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