Recently, several studies have looked at SST warming in thesouthwestern Indian Ocean and the eastern Pacific, and have found thatthere is a significant correlation between anomalous warming in the IndianOcean and El Niño (see figure below), although SST signals in the eastern Pacific are much larger. These studies (Tourre and White, 1995; Nicholson, 1997) have found correlations between the Indian Ocean and the Pacific for almost every El Niño back to 1946. I have looked at the T/P altimeter data and see a similar correlation, but the extreme sea-level values are closer to the same magnitude (see below).

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Last Modified: Fri, Jul 2, 1998