Key Laboratory of Meteorological Disaster,Ministry of Education/Joint International Research Laboratory of Climate and Environment Change/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science and Technology,Nanjing 210044,China;
Jiangxi Meteorological Observatory,Nanchang 330096,China;
Guangdong Province Key Laboratory of Regional Numerical Weather Prediction,Institute of Tropical and Marine Meteorology,CMA,Guangzhou 510080,China;
Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai),Zhuhai 519082,China;
Jiangxi Institute of Land and Space Survey and Planning/Jiangxi Geomatics Center,Nanchang 330000,China;
dual-Doppler radar; three-dimensional wind; a variational method; vertical velocity; wind synthesis;