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  1. 20 de feb. de 2024 · Watching El Niño develop in the tropical Pacific, January to June 2023. The box shows the Niño3.4 region. NOAA. For a strong El Niño, the Niño3.4 region needs to warm by 2.7 F (1.5 C) for ...

  2. 7 de mar. de 2024 · The 2023-2024 El Niño is 'one of the five strongest on record,' based on World Meteorological Organization data. Meanwhile, there is a 55% chance of La Niña developing in June-July-August 2024.

  3. 12 de oct. de 2023 · The unofficial definition of a strong El Niño is a peak 3-month-average Niño-3.4 Index of at least 1.5 °C. El Niño is a seasonal phenomenon, and that 3-month-average Niño-3.4 Index (called the Oceanic Niño Index or ONI) is important for making sure that the oceanic and atmospheric changes persist long enough to affect global weather and ...

  4. 20 de jun. de 2023 · El Niño Returns. June 1 - 10, 2023 JPEG. After three consecutive years of La Niña, spring 2023 saw the return of El Niño—a natural climate phenomenon characterized by the presence of warmer than normal sea surface temperatures (and higher sea levels) in the central and eastern tropical Pacific Ocean. El Niño is associated with the ...

  5. 10 de ago. de 2023 · Animation of maps of sea surface temperatures in the Pacific Ocean compared to the long-term average over five-day periods from the end of May to early August 2023. The waters in the key monitoring region, which scientists call "the Niño-3.4 region," progressively become warmer than average (red) as El Niño builds.

  6. 5 de jul. de 2023 · Despite the fact that El Niño is a natural phenomenon, it can't be viewed in isolation from human-driven (anthropogenic) climate change. ... El Niño and La Niña in 2023.

  7. After three years of experiencing the La Niña weather phenomenon, El Niño is expected to return in 2023 bringing new dangers. Both La Niña and El Niño are two sides of the El Niño Southern Oscillation (ENSO) which impacts water temperatures in the equatorial Pacific Ocean. La Niña brings cooler waters while El Niño brings warmer waters.