Solange Coadou-Chaventon, Laboratoire de Météorologie Dynamique ENS, Paris, France; University of Gothenburg, Marine Sciences, Gothenburg, Sweden, Sebastiaan Swart, University of Gothenburg, Department of Marine Sciences, Gothenburg, Sweden, Elisa Carli, European Space Agency, Frascati, Italy, Lia Siegelman, Scripps Institution of Oceanpgraphy, La Jolla, United States, René Schubert, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Guillaume Novelli, University of Miami, Rosenstiel School of Marine and Atmospheric Sciences, Miami, FL, United States and Sabrina Speich, Ecole Normale Supérieure Paris, Laboratoire de Météorologie Dynamique, Paris, France