NOAA is to start using a new index, known as 'RONI,' to classify El Niño and La Niña events.

The tools scientists have relied on for decades to track El Niño and La Niña are breaking down, and the reason is ...

Two major weather agencies think it's increasingly likely that El Niño will form in the eastern tropical Pacific Ocean later ...

While La Niña is currently holding its own, the expectation is that an El Niño will develop by the peak of hurricane season. Here's why that's a big deal.

And in his latest video, he’s claiming: “A powerful Super El Niño is on the horizon, and it could bring extreme weather ...

El Nino could develop later this year, increasing the risk of record-breaking global heat, according to forecasts from several major weather agencies.

The large-scale Pacific Ocean climate patterns that help steer weather patterns around the globe are shifting yet again.

The El Niño Southern Oscillation (ENSO) is a natural pattern of ocean and atmospheric changes in the tropical Pacific Ocean that can influence the weather pattern ...

One expert says 2027 could be even hotter than the last three years, which have been the top three warmest on record ...

The El Niño Southern Oscillation (ENSO), a natural cycle that originates in the Pacific Ocean, is one of the most important modes of variability impacting the global climate. ENSO is a complex ...

Feb 12 (Reuters) - There is a 60% chance of a shift in the climate phenomenon known as La Niña towards El Nino in ...