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El Niño is part of a regular climate cycle known as the El Niño-Southern Oscillation (ENSO). It occurs when sea surface temperatures in the equatorial eastern Pacific rise to above-average ...
El Niño occurs when trade winds — the permanent east-to-west winds that blow near the Equator — weaken, allowing the Pacific Ocean’s warmer waters to push back east toward the United States ...
The relationship between El Niño and California rainfall has been described as "fragile", as only the "persistent El Niño" leads to consistently higher rainfall in the state, while the other flavors of ENSO have mixed effects at best. [14] Historically, El Niño was not understood to affect U.S. weather patterns until Christensen et al. (1981 ...
El Niño can significantly affect weather across the country, NOAA says. Warmer waters in the Pacific Ocean can alter jet streams and climate systems that help regulate temperatures, rainfall and ...
El Niño is a natural climate event caused by the Southern Oscillation, popularly known as El Niño or also in meteorological circles as El Niño-Southern Oscillation or ENSO, [6] through which global warming of the eastern equatorial Pacific Ocean results in the development of unusually warm waters between the coast of South America and the ...
Originally, the term El Niño applied to an annual weak warm ocean current that ran southwards along the coast of Peru and Ecuador at about Christmas time. [16] However, over time the term has evolved and now refers to the warm and negative phase of the El Niño–Southern Oscillation (ENSO).
A major key to shaping weather patterns worldwide is found in the tropical Pacific Ocean, far from any mainland. Known as the El Niño-Southern Oscillation (ENSO), this climate phenomenon is the ...
While the U.S. is experiencing an El Niño weather pattern, Kansas could be transitioning to a neutral weather pattern, Darmofal said, which could mean a more active tornado season.