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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 ...
Wind magnitude is greater during El Niño years than during La Niña years, due to the more frequent cold frontal incursions during El Niño winters. [212] Tehuantepec winds reach 20 knots (40 km/h) to 45 knots (80 km/h), and on rare occasions 100 knots (190 km/h). The wind's direction is from the north to north-northeast. [213]
Only this past year or so has the difference between the traditional and relative Niño-3.4 indexes been so large, ... La Nina’s impacts were felt before NOAA declared pattern underway.
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 ...
NOAA's Climate Prediction Center (CPC) announced Thursday that water temperatures in critical parts of the Pacific Ocean had finally reached the threshold required for La Niña to emerge in December.
The weak La Niña is forecast to stick around through April before yielding once again to so-called neutral — not La Niña or El Niño — conditions, according to the Climate Prediction Center.
A detailed analysis found La Niña began in December 2024 with a weak La Niña favored during the rest of this winter. ... The last La Nina ended in 2023 after an unusual three-year stretch.
Across Alaska, El Niño events do not have a correlation towards dry or wet conditions; however, La Niña events lead to drier than normal conditions.During El Niño events, increased precipitation is expected in Southern California, Arizona, and New Mexico due to a more southerly, zonal, storm track over the Southwest, leading to increased winter snowpack, but a more subdued summer monsoon ...