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Sea surface temperature anomalies for April 12, 2023. Yellow, orange and red indicate where water is warmer than historical averages, and green, blue and purple show where water is cooler than ...
A map showing the sea surface temperature anomalies across the Pacific Ocean. Areas of yellow, orange, red and pink are areas where the water is warmer than the historical average. The warm waters ...
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 ...
The El Niño–Southern Oscillation is a single climate phenomenon that quasi-periodically fluctuates between three phases: Neutral, La Niña or El Niño. [12] La Niña and El Niño are opposite phases which require certain changes to take place in both the ocean and the atmosphere before an event is declared. [12]
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 ...
Fall has only just begun, but it’s not too soon to look ahead to winter, especially since this one may look drastically different than recent years because of El Niño.
El Niño patterns generally affect winters more than summers in the U.S. According to NOAA, a typical El Niño winter would produce a warmer, dryer winter season for most states in the mid ...