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

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.

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