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Evolution of El Nino in 2002 observed by TRMM |
This image presents monthly mean SST anomalies estimated by VIRS. After the beginning of 2002, SSTs above those of normal years over the western tropical Pacific slowly shifted eastward. In November, an SST 2 to 3°C higher than normal is found over the central and eastern equatorial Pacific, and El Nino reached its mature stage. |