Jiri Miksovsky^1,2, Michal Belda³, Miroslav Trnka^2,4 and Rudolf Brázdil^2,5, (1)Charles University, Faculty of Mathematics and Physics, Department of Atmospheric Physics, Prague, 180, Czech Republic, (2)Global Change Research Institute CAS, Brno, Czech Republic, (3)Charles University, Dept. of Atmospheric Physics, Prague, 180, Czech Republic, (4)Mendel University, Department of Agrosystems and Bioclimatology, Brno, Czech Republic, (5)Masaryk University, Institute of Geography, Brno, Czech Republic