1. Cooperative Institute for Research in Environmental Sciences; University of Colorado; Boulder CO USA
2. National Oceanic and Atmospheric Administration/Earth Systems Research Laboratory/Chemical Sciences Division; Boulder CO USA
3. Met Office Hadley Centre; Exeter UK
4. Institute of Oceanography, Centre for Earth System Research and Sustainability (CEN); Universität Hamburg; Germany
5. Departamento de Fisica de la Tierra II, Facultad de Ciencias Fisicas; Universidad Complutense de Madrid; Madrid Spain
6. Department of Meteorology; University of Reading; UK
7. Météo-France/Centre National de Recherches Meteorologiques/CNRS-GAME; Toulouse France
8. GEOMAR Helmholtz Centre for Ocean Research Kiel; University of Kiel; Germany
9. Deutscher Wetterdienst (DWD); Offenbach Germany
10. Bureau of Meteorology; Melbourne Australia
11. Meteorological Research Institute, Japan Meteorological Agency; Ibaraki Japan
12. Finnish Meteorological Institute; Helsinki Finland
13. National Oceanic and Atmospheric Administration/National Weather Service/Climate Prediction Center; College Park MD USA
14. Canadian Centre for Climate Modelling and Analysis/Environment Canada; Victoria BC Canada
15. Max Planck Institute for Meteorology; Hamburg Germany
16. European Centre for Medium-Range Weather Forecasts; Reading UK
17. Japan Meteorological Agency; Tokyo Japan