La Niña is a part of the El Niño southern oscillation, a climate fluctuation that slowly sloshes vast bodies of water and ...

La Niña has made a long-awaited return, cooling the Pacific and stirring up global weather patterns. This natural climate ...

The last El Niño, the periodic warming of Pacific Ocean waters, finished in June 2024. NOAA forecasters have been expecting La Niña for months. The previous La Niña concluded in 2023 after an ...

An El Niño weather pattern—La Niña’s counterpart—brought the warmest winter on record last year. La Niña conditions emerged in December and will likely persist through April, though the ...

Meteorologists say a weak La Nina weather event has arrived but will bring fewer storms than usual. Here's how the Pacific El Nino and La Nina weather phases can influence extreme weather globally.

The European climate service Copernicus says the world warmed to yet another monthly heat record in January, despite an abnormally chilly United States, a cooling La Nina and predictions of a slightly ...

Last month was the world's warmest January on record, continuing a streak of extreme global temperatures despite a shift ...

Last winter (2023-2024) was an El Niño winter marked by cooler and wetter weather for the southern states. The last La Nina ended in 2023 after an unusual three-year stretch. The odds favor ENSO ...

The last El Nino was declared finished last June, and National Oceanic and Atmospheric Administration forecasters have been expecting La Nina for months. Its delayed arrival may have been ...

During El Nino, warmer Pacific water helps form thunderstorms ... The conditions are opposite during La Nina, when cooler Pacific temperatures result in downdrafts there, and reduced wind shear ...