Figure 7. Tropical Pacific SST variability simulated in the low-resolution CSM. Monthly mean SST anomalies averaged over the Niño3 (5°N-5°S, 150°E-90°W) and Niño4 (5°N-5°S, 160°E-160°W) regions with a five-month boxcar smoother applied (top). First EOF of monthly mean SST anomalies (bottom).