1. Centre National de Recherches MétéorologiquesUMR3589, Météo‐France‐CNRS Toulouse France
2. Faculty of Mathematics, Informatics and Natural SciencesUniversity of Hamburg Hamburg Germany
3. Faculty of Civil Engineering and GeosciencesDelft University of Technology Delft Netherlands
4. Bjerknes Center for Climate Research and Geophysical InstituteUniversity of Bergen Bergen Norway
5. Woods Hole Oceanographic Institution Woods Hole MA USA