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Weakening sea surface temperature anomalies in the tropical Pacific in early 2023 associated with the end of the La Niña event. The 2020–2023 La Niña event was unusual in that it featured three consecutive years of La Niña conditions (also called a "triple-dip" La Niña) in contrast to the typical 9–12 month cycles of the El Niño–Southern Oscillation (ENSO), [3] though the magnitude ...
The La Niña pattern, the colder counterpart of El Niño in the El Niño-Southern Oscillation (ENSO) climate phenomenon, has influenced the weather across the Northern Hemisphere in a number of ...
This perspective implies that the processes that lead to El Niño and La Niña also eventually bring about their end, making ENSO a self-sustaining [clarification needed] process. [ 29 ] : 88 Other theories view the state of ENSO as being changed by irregular and external phenomena such as the Madden–Julian oscillation , tropical instability ...
The Climate Prediction Center said that there is a 60% chance that La Niña conditions will emerge by the end of November. Once the pattern forms, it is expected to persist through January to ...
There were three straight La Niña winters from 2020 to 2023 before El Niño reemerged this past winter. ... NOAA forecasts a 79% chance that El Niño will end between April and June. With the ...
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.
A weak La Niña is favored to develop. NOAA says there is a 59% chance the criteria for La Niña conditions will be met by the end of January 2025.
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 ...