1. Meteorological Research Institute, Japan Meteorological Agency, Tsukuba, Japan
2. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, Sapporo, Japan
3. Seikei University, Tokyo, Japan
4. Japan Agency for Marin-Earth Science and Technology, Yokohama, Japan
5. Research Institute for Applied Mechanics, Kyushu University, Kasuga, Japan
6. University of Tokyo, Kashiwa, Japan
7. Okayama University, Okayama, Japan
8. Disaster Prevention Research Institute, Kyoto University, Uji, Japan
9. Climate Prediction Division, Japan Meteorological Agency, Tokyo, Japan