Background AWARE Field project.
Human Climatology - Blowing Snow Human Observations, When you have blowing snow had falling snow. Issues - subjectivity, dark, different than were instruments are located.
Instruments - Vaisala Instrument used basic measurements, Wind speed, Parsivel OTT, Ceilometer.
Analysis - Backscatter, use 5 minute profiles. 2 m visibilty < 10 km, 10 m wind speed > 3 m/s, < 90 % relative humidity (remove fog).
Method - Instrument compared to human observation.
Results - 5-min method had lower in 1 and 4 months. 70-90 % correct.
Looks at wind direction relation to blowing snow.
Parsivel2 mean counts not helpful for blowing snow.