Abstract
Mesoscale Atmospheric Dynamics and Modeling of Rainfall Fields
Department of Physics, University of Toronto, Ontario, Canada
Department of Physics, University of Toronto, Ontario, Canada
A nonuniform potential vorticity model for frontogenesis is used to study the effects of height-dependent inhomogeneities in the potential temperature and potential vorticity fields at the mesoscale. The model simulation results show that these irregularities induce in the vertical velocity field mesoscale patterns which have considerable vertical extent. It is suggested that these mesoscale inhomogeneities may be possible causes for the high degree of organization of precipitation fields and the formation of middle-level rainbands.
Received 21 July 1986; accepted 5 March 1987; .
Citation: (1987), Mesoscale Atmospheric Dynamics and Modeling of Rainfall Fields, J. Geophys. Res., 92(D8), 9687–9692.
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