*Kazutoshi Onogi¹, Takafumi Miyasaka¹, Hiroki Ikeuchi¹, Yusuke Ishigaki¹, Yasutaka Makihara¹ (1. Research Center for Advanced Science and Technology, the University of Tokyo)

*Martin Ridal¹, Eric Bazile², Patrick LeMoigne², Roger Randriamampianina³ (1. Swedish Meteorological and Hydrological Institute, 2. Meteo France, 3. Norwegian Meteorological Institute)

*Kazuyoshi Suzuki¹, Takashi Dan^1,2, Milija Zupanski³, Hotaek Park¹, Tetsuya Hiyama⁴ (1. Japan Agency for Marine-Earth Science and Technology, 2. Yokohama National University, 3. CIRA, Colorado State University, 4. ISEE, Nagoya University)

*Andras Horanyi¹, Matthew Chantry¹, Hans Hersbach¹, Cornel Soci¹ (1. ECMWF)