1. Institute of Meteorology and Climate Research—Department of Troposphere Research (IMK‐TRO), Karlsruhe Institute of Technology (KIT) Karlsruhe Germany
2. CIRES, University of Colorado Boulder Colorado USA
3. NOAA Physical Sciences Laboratory Boulder Colorado USA
4. Climate and Environment Consultancy, Deutscher Wetterdienst Offenbach am Main Germany
5. Stadt Stuttgart, Amt für Umweltschutz, Abteilung Stadtklimatologie Stuttgart Germany