Zonal wave 3 (Raphael)

Mean of seasonally standardized Z500 anomalies at 49°S 50°E, 49°S 166°E and 49°S 76°W (the wave-3 ridges), re-standardized. Positive = amplified ZW3 in its climatological phase. — Raphael 2004, Geophys. Res. Lett. 31, L23212, doi:10.1029/2004GL020365