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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]
La Niña is considered the cool phase of the El Niño-Southern Oscillation (ENSO) and is characterized by lower-than-average sea-surface temperatures, with anomalies of at least -0.5 degrees ...
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 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, Spanish for "little boy," was ...
The 2020–2023 La Niña event was a rare three-year, triple-dip La Niña. [1] The impact of the event led to numerous natural disasters that were either sparked or fueled by La Niña. La Niña refers to the reduction in the temperature of the ocean surface across the central and eastern equatorial Pacific, accompanied by notable changes in the ...
The increased chance for El Niño comes after La Niña conditions were present for nearly three straight years. The unusually long-lasting nature of the phenomenon led to the unofficial nickname ...
After a year of dominance, El Niño's wrath has come to end — but it's climate-churning counterpart, La Niña, is hot on its heels and could signal a return to dryness for California.
[8] [9] [10] Despite the La Niña background to the Pacific Climate, four El Niño events occurred during 2002–03, 2004–05, 2006–07, and 2009–10. The first three of these events were weaker, while the 2009-10 event was a strong El Niño, but had shorter effects than the 1997–98 event.