Tijana Janjic^1,2, Yuefei Zeng³, Alberto de Lozar⁴, Yvonne Ruckstuhl³, Ulrich Blahak⁴ and Axel Seifert⁴, (1)Deutscher Wetterdienst Nieder, Offenbach, Germany, (2)Ludwig Maximilians University of Munich, Meteorology, Munich, Germany, (3)Ludwig Maximilians University of Munich, Munich, Germany, (4)Deutscher Wetterdienst (DWD), Offenbach am Main, Germany