English: Global sea surface temperature anomaly for the period January 1982 through December 1988, as measured by NOAA AVHRR. Red regions are 2 to 5 degrees warmer than normal and cyan regions are 2 to 5 degrees colder than normal. The warm region in the Pacific early in this animation is the El Niño that occurred during the winter of 1982-1983. The shades of blue on the background ocean represent sea surface temperature, with dark blues representing temperatures less than about 10 degrees Celsius.