Numerical nonstationary three-dimensional model of a convective cloud with parameterized description of microphysical processes with allowance for the electrization processes is considered. The results of numerical modeling of the cloud evolution for the specified atmospheric conditions are presented. The spatio-temporal distribution of the main cloud characteristics including the volume charge density and the electric field is obtained. The calculation results show that the electric structure of the cloud is different at its various life stages, i.e., it varies from unipolar to dipolar and then to tripolar. This conclusion is in fair agreement with the field studies.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 56, Nos. 11–12, pp. 889–899, November–December 2013.
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Veremey, N.E., Dovgalyuk, Y.A., Zatevakhin, M.A. et al. Study of the Evolution of the Electric Structure of a Convective Cloud Using the Data of a Numerical Nonstationary Three-Dimensional Model. Radiophys Quantum El 56, 801–810 (2014). https://doi.org/10.1007/s11141-014-9482-0
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DOI: https://doi.org/10.1007/s11141-014-9482-0