Stony Brook University Ka-band Polarimetric Radar and Mobile Sounding Data from Snowstorm Observations
Snowbands in the comma head of winter storms are responsible for much of the heavy snowfall over the northeast United States. Because of the large societal impacts of these winter storms, they have been studied for decades using both numerical models and observations. However, limited knowledge still exists about ~100 m scale precipitation processes within U.S. Northeast coastal snowstorms because of a lack of high-resolution observations. We collected observational data for the U.S. Northeast coastal snowstorms using high-resolution, high-sensitivity Ka-band cloud radar and mobile sounding system. The observed snowstorm cases includes 4 January 2018, 18 January 2020, 16-17 December 2020, and 31 January - 1 February 2021.
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Oue, M., B. A. Colle, S. E. Yuter, P. Kollias, P. Yeh, and L. M. Tomkins, 2023: Characteristics of Microscale Updrafts in Winter Storms Accompanying Snow Bands Along the U.S. Northeast Coast Using High-Resolution Cloud Radar, AGU Fall Meeting 2022, 12 - 16 December 2022, Chicago, IL, and online.
The radar was located in the Stony Brook University (40.897N, -73.127E). The radar data included are from vertically-pointing measurements, which collected radar reflectivity, mean Doppler velocity, Doppler spectrum width, and linear depolarization ratio. The mobile sounding system was deployed in several locations in Long Island including Cedar Beach (40.965N, -73.030E for 18 January 2020) and Stony Brook University (40.897N, -73.127E for 17 December 2020 and 1 February 2021). The sounding system was not deployed for the 4 January 2018 case. The sounding data include temperature, relative humidity, pressure, and wind direction and speed.