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Raindrop size distribution and microphysical characteristics of a great rainstorm in 2016 in Beijing, China
Atmospheric Research ( IF 4.5 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.atmosres.2020.104895 Li Luo , Hui Xiao , Huiling Yang , Haonan Chen , Jia Guo , Yue Sun , Liang Feng
Atmospheric Research ( IF 4.5 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.atmosres.2020.104895 Li Luo , Hui Xiao , Huiling Yang , Haonan Chen , Jia Guo , Yue Sun , Liang Feng
Abstract This paper analyzes the characteristics of rain drop size distributions (DSDs) and vertical profiles of hydrometeors for a severe rainstorm event that occurred in Beijing, northern China, from 19 to 21 July 2016 using in situ measurements from two disdrometers (OTT-Parsivel2 and 2D-Video-Distrometer) and remote sensing data collected by a second-generation Micro Rain Radar (MRR2). This rainstorm was characterized by stratiform precipitation with embedded strong convection on 19 July and widespread, intense mixed convective-stratified rainfall resulting in persistent rainfall between 20 and 21 July. The temporal and spatial variations in rainfall rate R, liquid water content W, reflectivity Z, DSDs and the gamma DSD parameters in different precipitation episodes of this event are derived and compared between two meteorological stations in Beijing. Rainfall throughout the entire event was characterized by large concentrations of small- to medium-sized raindrops (diameters between 2 and 4 mm) and few larger particles (D > 4 mm), resulting in small values of reflectivity Z (
更新日期：2020-07-01
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