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Climatology of surface baroclinic zones in the coast of Brazil

Gustavo Carlos Juan Escobar, Michelle Simões Reboita, Amanda Souza

Abstract

This study presents the main differences between classical cold fronts, subtropical fronts and baroclinic troughs, as well as a climatology of these systems along the coast of Brazil. Regarding the seasonality of these systems, classical cold fronts are more frequent in winter followed by spring, subtropical fronts in spring, and baroclinic troughs in spring and summer. In southeastern Brazil, these three kinds of systems are responsible for about 40% (60%) of the total precipitation during the rainy (dry) season.

Keywords

Classical cold fronts; subtropical fronts; baroclinic troughs

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