Uploaded February 2022 | Updated September 2026, 1 week ago
This animation tracks sea surface temperature anomalies in the tropical Pacific throughout 2001. La Niña—the cool phase of the El Niño-Southern Oscillation—dominated the Pacific at the start of the year, subsided in summer, and returned in fall.
Video produced by the Climate.gov team in cooperation with climate and Earth scientists from the National Oceanic and Atmospheric Administration and other agencies and institutions. Any opinions voiced by people in these videos are their own; they are not official NOAA statements or opinions. Unless specifically stated otherwise, Climate.gov video productions can be freely republished or re-purposed by others.
This animation tracks sea surface temperature anomalies in the tropical Pacific throughout 2001. La Niña—the cool phase of the El Niño-Southern Oscillation—dominated the Pacific at the start of the year, subsided in summer, and returned in fall.
Video produced by the Climate.gov team in cooperation with climate and Earth scientists from the National Oceanic and Atmospheric Administration and other agencies and institutions. Any opinions voiced by people in these videos are their own; they are not official NOAA statements or opinions. Unless specifically stated otherwise, Climate.gov video productions can be freely republished or re-purposed by others.










