Claire Yung¹, Xylar Asay-Davis², Alistair Adcroft³, Christopher Y. S. Bull⁴, Jan De Rydt⁵, Michael S Dinniman⁶, Benjamin Keith Galton-Fenzi⁷, Daniel Goldberg⁸, David Gwyther⁹, Robert Hallberg¹⁰, Matt Harrison¹¹, Tore Hattermann¹², David Holland¹³, Denise Holland¹⁴, Paul Holland¹⁵, Jim Jordan¹⁶, Nicolas Jourdain¹⁷, Kazuya Kusahara¹⁸, Gustavo M Marques¹⁹, Pierre Mathiot²⁰, Dimitris Menemenlis²¹, Adele K Morrison¹, Yoshihiro Nakayama²², Olga V Sergienko²³, Robin Smith²⁴, Alon A Stern²⁵, Ralph Timmermann²⁶ and Qin Zhou²⁷, (1)Australian National University and Australian Centre for Excellence in Antarctic Science, Canberra, ACT, Australia, (2)Los Alamos National Laboratory, Fluid Dynamics and Solid Mechanics, Los Alamos, NM, United States, (3)Program for Atmospheric and Oceanic Sciences, Princeton University, Princeton, United States, (4)Australia's Climate Simulator (ACCESS-NRI), Australian National University, Canberra, Australia, (5)Northumbria University, Geography and Environmental Sciences, Newcastle-Upon-Tyne, United Kingdom, (6)Old Dominion University, Center for Coastal Physical Oceanography, Norfolk, VA, United States, (7)Australian Antarctic Division, Kingston, TAS, Australia, (8)School of GeoSciences, University of Edinburgh, Edinburgh, United Kingdom, (9)University of Queensland, Brisbane, QLD, Australia, (10)NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States, (11)Geophysical Fluid Dynamics Laboratory, Princeton, United States, (12)Norwegian Polar Institute, Tromsø, Norway, (13)New York University, Courant Institute of Mathematical Sciences, New York, United States, (14)New York University, New York, United States, (15)British Antarctic Survey, Cambridge, United Kingdom, (16)Swansea University, Cardiff, United Kingdom, (17)CNRS - Université Grenoble Alpes - Institut des Géosciences de l'Environnement, Saint-Martin d’Hères, France, (18)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (19)National Center for Atmospheric Research, Climate and Global Dynamics, Boulder, United States, (20)CNRS - Institut des Géosciences de l'Environnement, Saint-Martin-d'Heres, France, (21)San Jose State University, San Jose, United States, (22)Dartmouth College, Thayer School of Engineering, Hanover, United States, (23)Princeton University, Program in Atmospheric and Oceanic Sciences, Princeton, NJ, United States, (24)National Centre for Atmospheric Science, University of Reading, Reading, United Kingdom, (25)Princeton University, Princeton, United States, (26)AWI, Bremerhaven, Germany, (27)Akvaplan-niva, Tromso, Norway