1. CNRM-GAME, Météo-France/CNRS UMR 3589; Toulouse France
2. Department of Physics and Astronomy; Ghent University; Belgium
3. Department of Meteorology and Climatology; Czech Hydrometeorological Institute; Prague Czech Republic
4. Global Change Research Institute; Academy of Sciences of the Czech Republic; Brno Czech Republic
5. Faculty of Mathematics, Physics and Informatics, Department of Astronomy, Physics of the Earth and Meteorology; Comenius University; Bratislava Slovakia
6. Department of Meteorological and Climatological Research; Royal Meteorological Institute; Brussels Belgium
7. Meteorology Office of Slovenian Environment Agency; Ljubljana Slovenia