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;
PLA Unit 93966;
Jiuquan;
Gansu 735006 China;
atmospheric science; typhoon; horizontal and vertical vorticity; numerical simulation; interaction;