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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 ...
A typical La Niña pattern produces a wetter, cooler winter over the northern U.S., while drier, milder weather takes hold of the South. While there have been important caveats that go against the ...
El Niño has been shaping the weather across North America all winter, but the tides are changing, and a major shift is on the horizon. On Thursday, NOAA issued a La Niña watch, explaining that ...
The 2010–2012 La Niña event was one of the strongest on record. It caused Australia to experience its wettest September on record in 2010, and its fourth-wettest year on record in 2010. [ 2 ] [ 3 ] It also led to an unusual intensification of the Leeuwin Current , [ 4 ] the 2010 Pakistan floods , the 2010–2011 Queensland floods , and the ...
La Niña’s arrival was a long time coming Long-range forecasters at the CPC first raised the possibility of a switch to La Niña back in February 2024 when El Niño was still very strong.
During a time of La Niña, drought affects the coastal regions of Peru and Chile. [229] From December to February, northern Brazil is wetter than normal. [229] La Niña causes higher than normal rainfall in the central Andes, which in turn causes catastrophic flooding on the Llanos de Mojos of Beni Department, Bolivia. Such flooding is ...
These changes in the ENSO are driven by shifts in water temperature anomalies in the central and eastern Pacific, ranging from cold events, known as La Niñas, to warm cycles, known as El Niños.
This occurred during a La Niña season, and is connected to the rare Arctic dipole anomaly. [27] In the north western part of the Atlantic, both of these winters were mild, especially 2009–2010, which was the warmest recorded in Canada. The winter of 2010-2011 was particularly above normal in the northern Arctic regions of that country. [28]