Hurricane Modeling Diagnostics
(Angular Momentum, Scale Interactions and Chi - Psi Interactions)

Vijay Tallapragada
Florida State University

The intensity issue of hurricanes is addressed using the angular momentum budget of a hurricane in storm relative cylindrical coordinates, a scale interaction approach, and Chi - Psiinteractions. These are the diagnostic tools applied to the data sets derived from a very high resolution mesoscale model. This study focuses on application of such mesoscale models to understand the hurricane intensity and its changes during the life cycle of a hurricane, with an aim to provide means to improve the modeling and forecast issues.