Abstract

ABSTRACT As a tropical cyclone makes landfall, changes in friction and moisture as well as the presence of topography will modify the flow and subsequently the convection associated with the tropical cyclone. As a result, the distribution of potential vorticity tendencies will be modified, which then leads to track deviations. Modifications of the flow will also lead to changes in the vertical wind shear and hence the convection distribution. It is these interactive processes that cause changes in the track and convective distributions of a tropical cyclone as it moves close to land. This paper presents an overview of some of the recent studies on the changes in track and structure associated with tropical cyclone landfall to provide evidence of these physical processes.

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