In this First Warning Weather University lesson, Chief Meteorologist David Yeomans explores what La Niña is and its little brother, El Niño. he United State for the past couple of years.

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the Southwestern United States, respectively. In 2023, however, a La Niña year proved ...

The results suggest that atmospheric rivers can override traditional El Niño/La Niña predictions. During these anomalous years, just a few powerful atmospheric rivers could transform an expected ...

Weather experts say the chances of developing La Nina are around 55 to 60 per cent. This may impact the intensity and timing of rains, and perhaps also the temperatures during the summer.

NOAA says La Nina ocean cooling has finally arrived: What to expect But there have been deviations from the standard effects seen during an El Niño and La Niña period. For instance, a La Niña ...