I.I. Ulshin - Ph. D. (Phys.-Math.), Associate Professor, Head of Department, Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: ulshin@rambler.ru V.V. Popov - Ph. D. (Geogr.), Associate Professor, Deputy Head of Department, Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh) P.A. Timofeev - Head of Center, Main Hydrometeorological Center of the Ministry of Defense of the Russian Federation