*Akio Katsumata¹, Yasuhiro Yoshida², Kenji Nakata¹, Kenichi Fujita³, Masayuki Tanaka¹, Koji Tamaribuchi¹, Takahito Nishimiya¹, Akio Kobayashi¹ (1.Meteorological Research Institute, Japan Meteorological Agency, 2.Meteorological College, Japan Meteorological Agency, 3.Geospatial Information Authority of Japan)