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File: TropicalPacific_SSTA5Dec2022-14May2023_1200px.gif

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Alternate Text: Weekly maps of temperatures in tropical Pacific show cool anomalies fade and warm anomalies appear
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Weekly maps of temperatures in tropical Pacific show cool anomalies fade and warm anomalies appear

Image caption

Weekly surface temperatures in the tropical Pacific Ocean compared to the long-term average from December 5, 2022, to May 14, 2023. Week by week, the cooler-than-average waters (blue) of the La Niña climate pattern fade, and the warmer-than-average waters that (orange and red) signal a possible El Niño emerge. NOAA Climate.gov image, based on CoralReef Watch data processed by NOAA Viz Lab.