Yohei Takano¹, Jerry Tjiputra², Jorg Schwinger², Matthias Gröger³, Jenny Hieronymus⁴, Torben Koenigk^5,6, Sarah Berthet⁷, Roland Séférian⁷, Laurent Bopp⁸, Andrew Yool⁹, Julien Palmieri⁸, Michio Watanabe¹⁰, Shogo Urakawa¹¹, Hideyuki Nakano¹², Hiroyuki Tsujino¹², Matthew C Long¹³, John P Krasting¹⁴, John P Dunne¹⁵ and Tatiana Ilyina¹, (1)Max Planck Institute for Meteorology, Hamburg, Germany, (2)NORCE Climate, Bergen, Norway, (3)Leibniz Institute for Baltic Sea Research Warnemünde, Norrköping, Germany, (4)Swedish Meteorological and Hydrological Institute, Oceanography Research Dept., Norrköping, Sweden, (5)Orinda, CA, United States, (6)Swedish Meteorological and Hydrological Institute, Norrköping, Sweden, (7)Meteo-France - CNRS, CNRM, CEN, Toulouse, France, (8)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (9)National Oceanography Centre, Southampton, United Kingdom, (10)Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan, (11)Meteorological Research Institute, Japan Meteorological Agency, Tsukuba, Japan, (12)Meteorological Research Institute, Tsukuba, Ibaraki, Japan, (13)National Center for Atm Res, Boulder, CO, United States, (14)Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (15)NOAA Geophys Fluid Dynamic, Princeton, United States