1. Institute for Meteorology and Climate Research (IMK-TRO), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany;
2. NZ Climate Change Institute, Victoria University of Wellington, Wellington, New Zealand;
3. Institute for Meteorology, Freie Universität Berlin, Berlin, Germany;
4. Deutscher Wetterdienst (DWD), Offenbach, Germany;
5. Max-Planck-Institute for Meteorology, Hamburg, Germany