Rebecca Cowley¹, Christoph Waldmann², Gael Forget³, Antonino Ian Ferola⁴, Justine Parks⁵, Lisa Krummel⁶, Jared Brzenski⁷, Ludovic Drouineau⁸, Christopher Paver⁹, Zhetao Tan¹⁰, Shenfu Dong¹¹, Ashley Parker¹², Aidan McMahon⁶, Naomi Krauzig¹³, Janet Sprintall¹⁴, Yuri Cotroneo¹⁵, Marlos P Goes¹⁶, Simona Simoncelli¹⁷, Mauro Cirano¹⁸, Rebecca Hudak¹⁹ and Thierry Carval⁸, (1)CSIRO Environment, Hobart, TAS, Australia, (2)University of Bremen, Bremen, Germany, (3)Massachusetts Institute of Technology, EAPS, Cambridge, United States, (4)European Space Agency, Frascati, Italy, (5)Scripps Institution of Oceanography, La Jolla, United States, (6)Bureau of Meteorology, Melbourne, Australia, (7)University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, (8)IFREMER, Plouzané, France, (9)National Centers for Environmental Information (formerly NODC), NESDIS/NOAA, Silver Spring, MD, United States, (10)Laboratoire de Météorologie Dynamique – IPSL, Paris, France, (11)AOML/NOAA, Miami, United States, (12)CSIRO Environment, Hobart, Australia, (13)Marche Polytechnic University, Ancona, Italy, (14)Univ California San Diego, La Jolla, United States, (15)Parthenope University, Naples, Italy, (16)Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, FL, United States, (17)INGV, Bologna, Italy, (18)UFRJ Federal University of Rio de Janeiro, Rio De Janeiro, Brazil, (19)Woods Hole Oceanographic Institution, Woods Hole, MA, United States