1. Earth Physics Department; Saint Petersburg State University; Saint Petersburg Russia
2. Institute of Computational Modelling; Federal Research Center “Krasnoyarsk Science Center SB RAS”; Akademgorodok Russia
3. Department of Applied Mechanics; Siberian Federal University; Krasnoyarsk Russia
4. Finnish Meteorological Institute; Helsinki Finland
5. Department of Climate and Space Sciences and Engineering; University of Michigan; Ann Arbor MI USA