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Numerical Modeling of the Initial Formation of Cyclonic Vortices at Tropical Latitudes

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DOI: 10.4236/acs.2014.45079    3,355 Downloads   3,755 Views   Citations

ABSTRACT

To investigate the initial formation of large-scale vortices at tropical latitudes a regional non-hydrostatic mathematical model of the wind system of the lower atmosphere, developed earlier in the Polar Geophysical Institute, is utilized. Three-dimensional distributions of the atmospheric parameters in the height range from 0 to 15 km over a limited region of the Earth’s surface are produced by the utilized model. Simulations are performed for the case when the limited three-dimensional simulation domain is intersected by an intertropical convergence zone in the west-east direction. Simulation results indicated that the origin of two convexities in the north direction in the configuration of the intertropical convergence zone can lead to the formation of three distinct tropical cyclones during the period of about four days.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Mingalev, I. , Astafieva, N. , Orlov, K. , Mingalev, V. , Mingalev, O. and Chechetkin, V. (2014) Numerical Modeling of the Initial Formation of Cyclonic Vortices at Tropical Latitudes. Atmospheric and Climate Sciences, 4, 899-906. doi: 10.4236/acs.2014.45079.

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