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An especially strong Walker circulation causes La Niña, which is considered to be the cold oceanic and positive atmospheric phase of the broader El Niño–Southern Oscillation (ENSO) weather phenomenon, as well as the opposite of El Niño weather pattern, [19] where sea surface temperature across the eastern equatorial part of the central ...
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 ...
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 Nino Reshapes the Weather. The third state is El Niño, which occurs when sea surface temperatures in the tropical Pacific rise to above-normal levels for an extended period of time. El Niño ...
Strong El Niños have recently been observed from 1997 into 1998 and from 2015 into 2016. The increased chance for El Niño comes after La Niña conditions were present for nearly three straight ...
Generally, El Niño patterns cause warmer and dryer weather in Canada and much of the northern U.S. More southern states tend to experience wetter weather that can significantly increase flooding ...
The 1997–98 El Niño Event had various effects on tropical cyclone activity around the world, with more tropical cyclones than average occurring in the Pacific basins. . This included the Southern Pacific basin between 160°E and 120°W, where 16 tropical cyclones in the South Pacific were observed during the 1997–98 season compared to an average of aroun
El Niño is one of three phases of the El Niño Southern Oscillation, which tracks water temperature changes in the equatorial Pacific Ocean that can have rippling effects on weather patterns ...