Abstract: The instability characteristics of quasi-geostrophic disturbances are studied through the use of a linearized two-layer Eady model, in which both the static stability and the zonal current shear are uniform but different ...

Abstract: An analytical study is made of the baroclinic instability problem for a zonal wind U (z), by modifying the Eady model through relaxation of the shallow-layer approximation. The linearized perturbation equation is derived, ...

Abstract: Numerical computations are conducted to investigate the deep-fluid effects on the baroclinically unstable waves whose nondimensional wavenumbers are of order unity[k?O(1),llsim;(1)]. Two representative values of the ...

Abstract: Following the analysis of Klemp and Lilly, a study is made of the intensification and reflection of mountain waves when the shear of the basic wind profile is nonuniform. A two-layer atmospheric model is treated, and the ...