Shoupeng Zhu, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, China, Fei Ge, Chengdu University of Information Technology, Chengdu, China, Xiefei Zhi, Nanjing University of Information Science & Technology, Nanjing, China, Frank Sielmann, Hamburg University, Hamburg, Germany and Klaus Fraedrich, Max Planck Institute for Meteorology, Hamburg, Germany