*Hisashi Nakamura¹, Takafumi Miyasaka¹, Kazutoshi Onogi¹, Hiroki Ikeuchi¹, Kenichi Kuma¹, Yasutaka Makihara¹, Junichi Ishida², Kazimi Kamide², Shotaro Tanaka², Takahiro Sato², Makoto Fukui³, Takeshi Yamazaki⁴, Toshiki Iwasaki⁴, Makoto Iida¹ (1. The University of Tokyo, RCAST, 2. Japan Meteorological Agency, 3. Meteorological Research Institute, 4. Tohoku University, Graduate School of Science)