Daisuke Tsumune, Ctr Res Inst Electic Power Ind, Abiko, Japan, Frank Bryan, National Center for Atmospheric Research, Boulder, CO, United States, Keith T Lindsay, NCAR, Boulder, CO, United States, Kazuhiro Misumi, CRIEPI, Abiko, Chiba, Japan, Takaki Tsubono, Central Research Institute of Electric Power Industry, Abiko, Japan, Naoto Takahata, University of Tokyo, AORI, Kashiwa, Japan, Hajime Obata, Univ Tokyo, Kashiwa, Japan and Jun Nishioka, Hokkaido University, Institute of low temperature science, Sapporo, Japan