1. Department of MeteorologyUniversity of ReadingReading UK
2. National Centre for Atmospheric ScienceDepartment of Meteorology, University of ReadingReading UK
3. Department of PhysicsNew Mexico TechSocorro New Mexico USA
4. Department of Environmental SciencesColumbia UniversityNew York New York USA
5. Department of Applied Physics and Applied MathematicsColumbia UniversityNew York New York USA
6. Department of Atmospheric SciencesUniversity of WashingtonSeattle Washington USA
7. Climate Science Branch, NASA Langley Research CentreHampton Virginia USA
8. The Department of PhysicsUniversity of AucklandAuckland New Zealand
9. Meteo FranceToulouse France
10. Royal Netherlands Meteorological InstituteDe Bilt Netherlands
11. Delft University of TechnologyDelft Netherlands