El Niño

Warm phase of a cyclic climatic phenomenon in the Pacific Ocean

El Niño (Under CC License)

El Niño is the warm phase of the El Niño–Southern Oscillation (ENSO) and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific, including the area off the Pacific coast of South America. The ENSO is the cycle of warm and cold sea surface temperature (SST) of the tropical central and eastern Pacific Ocean. El Niño is accompanied by high air pressure in the western Pacific and low air pressure in the eastern Pacific. El Niño phases are known to be close to four years, however, records demonstrate the cycles have lasted between two and seven years. During the development of El Niño, rainfalls develop between September–November. The cool phase of ENSO is la Niña with SST in the eastern Pacific below average and air pressure high in the eastern and low in western Pacific. The ENSO cycle, both el Niño and la Niña, causes global changes in temperature and rainfall.

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Credit: IndiaTimes - Published 3 days ago

With global weather phenomenon El Niño bearing down monsoon rainfall, this year it will on the cusp of normal and below normal in the country.
Credit: DNA - Published 4 days ago

Credit: IndiaTimes - Published 5 days ago

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