Advection South America 8 advection 8 Moisture 6 Precipitation anomalies 6 Southeastern South America 6 atmospheric circulation 6 3D vectors 4 Atmospheric movements 4 Autumn precipitation 4 CFD simulations 4 Circulation anomalies 4 Computational fluid dynamics 4 Computational performances 4 Current practices 4 Cyclonic vorticity 4 Data visualization 4 Discontinuous Galerkin methods 4 Dynamics 4 El Nino 4 El Niño 4 Event classification 4 Field lines 4 Flow visualization 4 Fluid dynamics 4 Galerkin methods 4 Heavy precipitation 4 High resolutions 4 Low frequency 4 Lycopersicon esculentum 4