La Niña is usually associated with drier conditions across the southern part of the U.S. and wetter conditions to the north.

La Niña, the flip side of El Niño, is an irregular rising of unusually cold water in a key part of the central equatorial Pacific that changes weather patterns worldwide ...

Its delayed arrival may have been influenced — or masked — by the world's oceans being much warmer the last few years, said ...

After months of anticipation, a weather-changing La Niña has developed in the equatorial Pacific further adding to drought worries in California and the southern US, as well as the croplands in South ...

Its delayed arrival may have been influenced — or masked — by the world's oceans being much warmer the last few years, said Michelle L'Heureux, head of NOAA's El Nino team. “It’s totally ...

Ocean surface temperatures dropped to 0.9F of a degree (0.5C) below normal across the parts of the Pacific tracked by the US, said Michelle L’Heureux, a forecaster at the Climate Prediction Center.