FIG. 16. Seasonal SST (left) and anomaly (right) for (a, b) DJF 1998/99, (c, d) MAM
1999, (e, f) JJA 1999 and (g, h) SON 1999. Contour interval is 1°C, with the 0.5°C
anomaly contour included. Anomalies are departures from the 196190 adjusted Optimal
Interpolation (OI) climatology (Smith and Reynolds 1998).