*Noel S Keenlyside^1,2,3, Fumiaki Ogawa^1,3, HoNam Hoffman Cheung^1,3, Yongqi Gao^2,3,1, Torben Koenigk⁴, Vladimir Semenov⁵, Lingling Suo^2,3, Shuting Yang⁶, Tao Wang⁷, Martin Peter King^8,3, Guillaume Gastineau⁹, Sergey Gulev¹⁰ (1.Geophysical Institute, University of Bergen , 2.Nansen Environmental and Remote Sensing Center, 3.Bjerknes Cente for Climate Research, 4.Swedish Meteorological and Hydrological Institute, Sweden, 5.Helmholtz centre for ocean research Kiel GEOMAR, Germany, 6.Danish Meteorological Institute, Denmark, 7.Insititute of Atmospheric Physics, China, 8.Uni-Research Climate, Norway, 9.Sorbonne universities, France, 10.Shirshov Institute of Oceanology, Russia)

*Masato Mori¹ (1.Research Center for Advanced Science and Technology, the University of Tokyo)

*Hiroshi Tanaka¹, Makoto Sakurai² (1.Center for Computational Sciences, University of Tsukuba, 2.School of Life and Environmental Science, University of Tsukuba)

*Teruo Aoki^1,2, Rigen Shimada³, Tomonori Tanikawa², Masashi Niwano², Hiroshi Ishimoto², Masahiro Hori³, Knut Stamnes⁴, Wei Li⁴, Nan Chen⁴ (1.The Graduate School of Natural Science and Technology, Okayama University, 2.Meteorological Research Institute, Japan Meteoological Agency, 3.Earth Observation Research Center, Japan Aerospace Exploration Agency, 4.Department of Physics and Engineering Physics, Steven Institute of Technology)

*Naoko Nagatsuka¹, Nozomu Takeuchi², Jun Uetake¹, Rigen Shimada³, Yukihiko Onuma⁴, Sota Tanaka², Takanori Nakano⁵ (1.National Institute of Polar Research, 2.Chiba University, 3.JAXA, 4.University of Tokyo, 5.Waseda Univesity)

*Daiki Sakakibara^1,2, Masashi Niwano³, Shin Sugiyama² (1.Arctic Research Center, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Physical Meteorology Research Department, Meteorological Research Institute)