*Detlef Stammer¹, Dan Amrhein², Magdalena Alonso Balmaseda³, Massimo Bonavita³, Francois Counillon⁴, Ian Fenty⁵, Yosuke Fujii⁶, Pierre Gentine⁸, Andrew Gettelman⁹, Patrick Heimbach⁷, Hans Hersbach³, Shinya Kobayashi¹⁰, Armin Köhl¹, Paul J. Kushner¹¹, Hisashi Nakamura¹², Stephen G. Penny¹³, Laura Slivinski¹⁴, Laure Zanna¹⁵ (1. Universität Hamburg, Germany, 2. NSF National Center for Atmospheric Research, Boulder, U.S.A., 3. ECMWF (European Centre for Medium-Range Weather Forecasts), 4. Nansen Environmental and Remote Sensing Center, 5. NASA Jet Propulsion Laboratory/Caltech Pasadena, 6. Meteorological Research Institute, Japan Meteorological Agency (JMA/MRI), 7. U. Texas Oden Institute, 8. Columbia University, 9. Pacific Northwest National Laboratory, 10. Japan Meteorological Agency, 11. University of Toronto, 12. U. Tokyo, 13. Sofar Ocean, San Francisco, 14. NOAA/OAR/Physical Sciences Laboratory, Boulder, 15. New York University)

*Yosuke Fujii¹, Chiaki Kobayashi¹, Toshiyuki Ishibashi¹, Ichiro Ishikawa¹ (1. Meteorological Research Institute, Japan Meteorolgical Agency)

*William Bell¹, Patrick Laloyaux¹, Hans Hersbach¹, Julien Nicolas¹, Paul Poli¹, Raluca Radu¹, Dinand Schepers¹, Adrian Simmons¹, Cornel Soci¹, Andrzej Klonecki², Carsten Standfuss², Adrien Oyono Owono¹ (1. ECMWF, 2. Spascia, Toulouse, France)

*Jeffrey Anderson¹, Benjamin Gaubert¹, Nicholas Pedatella¹, Kevin Raeder¹ (1. NSF National Center for Atmospheric Research)

*Akira Yamazaki¹, Takemasa Miyoshi^2,1, Takeshi Enomoto^3,1, Nobumasa Komori^4,1, Miki Hattori¹ (1. Japan Agency for Marine-Earth Science and Technology, 2. RIKEN Center for Computational Science, 3. Disaster Prevention Research Institute, Kyoto University, 4. Keio University)

*Kei Yoshimura¹, Junpei Hirano², Mika Ichino³, Yoichi Isahaya⁴, Jun Matsumoto⁵, Yasuyuki Mitsuma⁶, Tomoko Nitta¹, Atsushi Okazaki⁷, Ruslan Shakhmat⁴, Kenjiro Sho⁸, Masahiro Tanoue⁹, Xiaoxing Wang¹⁰, Hisashi Yashiro¹¹ (1. The University of Tokyo, 2. Teikyo University, 3. The Institute of Statistical Mathematics, 4. Hokkaido University, 5. Tokyo Metropolitan University, 6. Kwansei Gakuin, 7. Chiba University, 8. Nagoya Institute of Technolog, 9. Meteorological Research Institute, 10. Joint Support-Center for Data Science Research, 11. National Institute for Environmental Studies)

*Valeria Di Biagio¹, Gianpiero Cossarini¹, Giorgio Dall'Olmo¹, Riccardo Martellucci¹, Milena Menna¹, Cosimo Solidoro¹ (1. National Institute of Oceanography and Applied Geophysics - OGS)