Figure 4From: On the variability of the seasonal scale oscillations over Cachoeira Paulista (22.7°S, 45°W), BrazilTemporal variation of the monthly mean residual zonal wind. (a) deseasonalized-AO wind at 81 km and 10 hPa, (b) deseasonalized-SAO wind at 81 km and 10 hPa, and (c) deseasonalized wind at 81 km and 10 hPa. The dashed horizontal line denotes zero wind. Please see the text for details of the abbreviations.Back to article page