1. College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China
2. South China Sea Marine Forecast Center, Ministry of Natural Resources, Guangzhou 510300, China
3. Qingdao Meteorological Service Center, Qingdao 266003, China
4. Qingdao Yuehai Information Service Co., Ltd., Qingdao 266590, China