1. Department of Atmospheric and Oceanic Sciences University of Wisconsin‐Madison Madison WI USA
2. Battelle, National Ecological Observatory Network Boulder CO USA
3. Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder CO USA
4. NOAA Physical Sciences Laboratory Boulder CO USA
5. Institute of Hydrology and Meteorology Technische Universität Dresden Dresden Germany
6. Institute of Meteorology and Climate Research – Atmospheric Environmental Research Karlsruhe Institute of Technology Garmisch‐Partenkirchen Germany
7. GFZ German Research Centre for Geosciences Potsdam Germany
8. Now at German Council of Experts on Climate Change Berlin Germany
9. Now at Deutscher Wetterdienst Offenbach Germany