The contrasting role of Westerly Wind Events in the evolution of El Niño during 2014 and 2015

Martin Puy, LOCEAN, IPSL, Paris Cedex 05, France, Jérome Vialard, Sorbonne Universités (UPMC, Univ Paris 06)-CNRS-IRD-MNHN, LOCEAN Laboratory, IPSL, Paris, France, Matthieu Lengaigne, LOCEAN-IPSL, CNRS-IRD-MNHN-Sorbonne Université, Paris, France, Eric Guilyardi, LOCEAN-IPSL, CNRS/IRD/MNHN/Sorbonne Université, Paris, France, Aurore Voldoire, CNRM, Toulouse, France, Magdalena Balmaseda, European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom, Christophe Menkes, Institut de Recherche pour le Développement, UMR 250 ENTROPIE (IRD, CNRS, Ifremer, Université de la Réunion, Université de la Nouvelle-Calédonie), BP A5, 98848, Nouméa, New Caledonia, Nouméa, New Caledonia, Gurvan Madec, LOCEAN-IPSL, Paris, France and Michael J McPhaden, NOAA Seattle, Seattle, WA, United States