1. Swedish Meteorological and Hydrological Institute, Norrköping, Sweden
2. Hans Ertel Centre for Weather Research, Deutscher Wetterdienst, München, Germany
3. Deutscher Wetterdienst, Offenbach, Germany
4. Federal Office of Meteorology and Climatology, MeteoSwiss, Zürich, Switzerland
5. Hans Ertel Centre for Weather Research, Ludwig‐Maximilians‐Universität München, Germany
6. Centre National de Recherches Météorologiques (Météo‐France/CNRS), Toulouse, France
7. Czech Hydrometeorological Institute, Praha, Czech Republic
8. Hungarian Meteorological Service, Budapest, Hungary
9. Royal Meteorological Institute of Belgium, Brussels, Belgium
10. Royal Meteorological Institute of Netherlands, De Bilt, Netherlands
11. Danish Meteorological Institute, Copenhagen, Denmark
12. Met Office, Exeter, UK
13. NOAA/NCEP/EMC and IM Systems Group, College Park, MD, USA
14. NOAA/ESRL, Boulder, CO, USA
15. Japan Meteorological Agency, Tokyo, Japan