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Atmospheric and Oceanic Optics

2017 year, number 3

Mathematical modeling of convective cloudiness in polar regions

A.E. Aloyan1,2, V.O. Arutyunyan1, A.N. Ermakov3
1Institute of Numerical Mathematics of the Russian Academy of Sciences, Gubkin str., 8, Moscow, 119333, Russia
2Hydrometeorological Centre of Russia, 11-13, Bol'shoj Predtechenskij per., 123242, Moscow, Russia
3Institute of Energy Problems of Chemical Physics, Russian Academy of Sciences, Russia, 119334, Moscow, Leninskii prosp., 38, korp. 2
Keywords: численное моделирование, атмосфера, конвективная облачность, полярные мезомасштабные циклоны, конденсация, коагуляция, нуклеация, numerical simulation, atmosphere, convective cloudiness, polar mesoscale cyclones, condensation, coagulation, nucleation


A three-dimensional numerical model of moist convection and formation of convective cloudiness in the Arctic atmosphere is considered. A model of mixed clouds with explicit description of liquid and ice phases is used with nonstationary equations for cloud-drop and ice-particle size distributions. The model capability in the reproduction of polar mesoscale cyclones in the Arctic atmosphere is analyzed.