87th AMS Annual Meeting

Tuesday, 16 January 2007: 4:30 PM
The Theory and Modeling of the ITCZ, Tropical Cyclones, and the MJO
217C (Henry B. Gonzalez Convention Center)
Wayne H. Schubert, Colorado State Univ., Fort Collins, CO
A review will be presented of our current theoretical understanding of the ITCZ, tropical cyclones, and the MJO. In order to obtain a more unified view of the midlatitude and tropical atmosphere, these phenomena will be interpreted in terms of potential vorticity dynamics. Included in the talk will be a discussion of various ways to define potential vorticity in a cloudy, precipitating atmosphere, and how to "invert" this potential vorticity to obtain the balanced wind and mass fields.

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