Fig. 3: Linkages between the SPO and simultaneous ENSO properties.
From: South Pacific Oscillation contributes to multi-year ENSOs
Composite SST anomalies (shading; °C) are shown for a MY El Niño, b SY El Niño, c MY La Niña, and d SY La Niña during FMA1. The CTI strength and the equatorial longitudinal location of maximum (minimum) SST anomalies are indicated in each panel. Scatter plots of the SPOI versus e CTI for El Niño, f CTI for La Niña, g SSTA center for El Niño, and h SSTA center for La Niña. In (e–h), red (pink) dots represent MY (SY) El Niño, and blue (azure) dots represent MY (SY) La Niña. Correlation coefficients (R) between the CTI (or SSTA center) and SPOI are indicated in each panel, with three asterisks denoting that the correlation coefficients have passed the 99% confidence test.
