Lixia Pan, School of Oceanography, ShangHai Jiao Tong University, Shanghai, China, Xin Wang, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China, Jiepeng Chen, 1 State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China, Haigang Zhan, State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China and Johnny Chung Leung Chan, Asia-Pacific Typhoon Collaborative Research Center, Shanghai, China