Kinematic Study of the Vertical Structure of Tropical Cyclones
on the Basis of an N-Level
Quasi-Geostrophic Atmospheric Model

M. V. Tevs

Oboukhov Institute of Atmospheric Physics, Russian Academy of Sciences, Pyzhevskii per. 3, Moscow, 109017 Russia

Received January 29, 1998; in final form, July 30, 1998

Abstract—This work continues a series of papers devoted to studies of the interaction of baroclinic vortices on
the basis of an N-layer atmospheric model. Numerical simulations of the vertical structure (vorticity and zonal
velocity) of tropical cyclones are performed. It is shown that the N-level quasi-geostrophic model can reproduce
real geophysical fields. On the basis of simulations of characteristic variations in the surface velocity profile, a
“baroclinic” variant of the life cycle of a typical tropical cyclone is proposed.


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