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European Commission map of drought conditions across South America from February 2023 to January 2024.. The 2023–2024 South American drought refers to an ongoing drought across several states of Brazil in addition to Peru, Bolivia, and Colombia, which has led to several significant impacts including record low water levels, significant water shortages, sweeping crop failures, and widespread ...
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 ...
Climate of Peru describes the diverse climates of this large South American country with an area of 1,285,216 km 2 (496,225 sq mi). Peru is located entirely in the tropics but features desert and mountain climates as well as tropical rainforests .
Weather historian Maximiliano Herrera stated that "South America is living one of the extreme events the world has ever seen" and "This event is rewriting all climatic books". [1] On 1 August 2023, Buenos Aires broke a 117 year heat record. Chile saw highs towards 40 °C and Bolivia saw unseasonably high temperatures, while Asunción saw 33 °C ...
The effects of El Niño in South America are direct and stronger than in North America. An El Niño is associated with warm and very wet weather months in April–October along the coasts of northern Peru and Ecuador , causing major flooding whenever the event is strong or extreme. [ 224 ]
The passage of the cold front to the northeast leads to the movement of the high pressure system from the South Pacific Ocean into the southern tip of South America. [ 27 ] [ 31 ] [ 32 ] All of these conditions lead to strong anticyclogenesis to the east of the Andes and thus, the high pressure system intensifies as it enters southern Argentina.
Northern South America developed increased seasonality in its precipitation patterns as a consequence of the ITCZ's northward migration during the MMCO. [22] The Bolivian Altiplano had a MAT of 21.5–21.7 ± 2.1 °C, in stark contrast to its present MAT of 8–9 °C, while its MMCO precipitation patterns were identical to those of today.
Köppen-Geiger climate classification map for South America [35] All of the world's major climate zones are present in South America. [36] The distribution of the average temperatures in the region presents a constant regularity from the 30° of latitude south, when the isotherms tend, more and more, to be confused with the degrees of latitude ...