Abstract: Horizontal structure and evolution of large-scale flow and an embedded synoptic-scale cyclonic vortex over northeast Brazil as separate systems and dynamical interaction between them are studied at 200 hPa. A quasi-stationary ...

Abstract: The mean atmospheric circulation for the rainy season over west-central Brazil (20°?10°S, 60°?50°W) is investigated for a 21-yr period (July 1979?June 2000). The NCEP?NCAR reanalysis, pentad outgoing longwave radiation ...