Chao An Chen, Academia Sinica, Research Center for Environmental Changes, Taipei, Taiwan, Huang-Hsiung Hsu, Academia Sinica, Taipei, Taiwan, Chi-Cherng Hong, University of Taipei, Taipei, Taiwan, Ping-Gin Chiu, University of Bergen, Geophysical Institute, Bergen, Norway, Chia-Ying Tu, Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan, Shian-Jiann Lin, NOAA, Boulder, CO, United States and Akio Kitoh, Meteorological Research Instit, Tsukuba, Japan