A 32-km Moist Primitive Equation Model Providing for Scale Interaction

Michael L. Kaplan Air Force Global Weather Central, Omaha, Nebr.

Search for other papers by Michael L. Kaplan in
Current site
Google Scholar
PubMed
Close
and
Douglas A. Paine Division of Atmospheric Sciences, Cornell University, Ithaca, N.Y. 14850

Search for other papers by Douglas A. Paine in
Current site
Google Scholar
PubMed
Close
Full access

Abstract

A numerical model has been developed in an effort to simulate the interaction between quasi-geostrophic and mesoscale forcing. Initializations performed at 127 km with either a diagnostic omega equation or barotropic forecast are followed by a prediction with a moist nine-level primitive equation model at 32 km. Several integrations are performed utilizing both real and artificial data for the problem of the water-induced heat island in the cold season. The results of these integrations indicate important variations in both the patterns and intensity of development as a function of initialization.

Abstract

A numerical model has been developed in an effort to simulate the interaction between quasi-geostrophic and mesoscale forcing. Initializations performed at 127 km with either a diagnostic omega equation or barotropic forecast are followed by a prediction with a moist nine-level primitive equation model at 32 km. Several integrations are performed utilizing both real and artificial data for the problem of the water-induced heat island in the cold season. The results of these integrations indicate important variations in both the patterns and intensity of development as a function of initialization.

Save