| 2 Institute of Geosciences, Meteorology Section, University of Bonn, Germany
| 3 Deutscher Wetterdienst, Offenbach, Germany
| 4 NOAA/NWS/NCEP Environmental Modeling Center, USA
| 5 European Centre for Medium-Range Weather Forecasts, Reading, UK
| 6 Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Germany
| 7 Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, USA
| 8 Hokkaido University, Japan
| 9 School of Atmospheric Sciences, Nanjing University, China
| 10 University of Cologne, Germany
| 11 Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
| 12 Dept. of Ocean Sciences, University of California Santa Cruz, CA, USA
| 13 Centro de Investigaciones del Mar y la Atmósfera (CIMA/UBA-CONICET), Instituto Franco-Argentino sobre Estudios del Clima y sus Impactos (UMI-3351 IFAECI/CNRS-CONICET-UBA), Buenos Aires, Argentina