Chen Lyuwen¹, Weitao Lyu², Ma Ying³, Qi Qi², Bin Wu² and Yanan Zhu⁴, (1)Institute of Tropical and Marine Meteorology, Guangzhou, China, (2)State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, China, (3)Chinese Academy of Meteorological Sciences, Beijing, China, (4)University of Alabama in Huntsville, Huntsville, United States