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

A new index will help scientists and forecasters better identify El Niño and La Niña events in the future as the climate ...

A new study by researchers from the University of Texas at Austin found that El Niño and La Niña cause extreme water events ...

El Niño might be back later this year; major climate agencies that closely watch the tropical Pacific have recently updated their outlooks. Latest obs.

Rules for classifying the two patterns recently changed.

"A transition from La Niña to ENSO-neutral is expected in February-April 2026," the Climate Prediction Center said.

Australia could experience a sustained hot and dry spell if the chances of an El Niño grow.

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

The Climate Prediction Center said there's a 60% chance the climate phenomenon exits between February and April this year.

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 ...