La Niña Impacts on Austral Summer Extremely High-Streamflow Events of the Paranaíba River in Brazil
Figure 9
Composite anomalies of 200 hPa velocity potential anomalies ( m2 s−1; shaded) shaded values are significant at 90% using -test for DJF or Austral summer season for all extreme high-streamflow events associated with La Niña.