1. Météo‐France, CNRM‐CNRS UMR‐3589 Toulouse France
2. Department of Mathematics University of Exeter Exeter UK
3. Department of Geophysics Graduate School of Science, Tohoku University Sendai Japan
4. Met Office UK
5. Institute for Geophysics and Meteorology University of Cologne Cologne Germany
6. Department of Meteorology University of Reading Reading UK
7. National Center for Atmospheric Research Boulder CO USA
8. Key Laboratory for Mesoscale Severe Weather/MOE and School of Atmospheric Sciences Nanjing University Nanjing China