Abstract
Taking into account nonlinear interaction of magnetized Rossby waves with zonal shear flow in the Earth's ionospheric E-layer modified by inhomogeneous geomagnetic field and sheared zonal flow Charney equation is obtained. The appropriate region of linear phase velocities is analyzed and the stability condition of zonal flows is obtained. In case of nonlinear regime the appropriate compatibility condition is obtained and its independence on zonal shear flows is shown. It is shown that zonal shear flow may support the existence of solitary vortical structures. Owing to carried out analysis different from dipole structures new class of nonlinear solitary vortical structures is found.
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