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 ...

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

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

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

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

Quieter hurricane season ahead? In El Niño hurricane seasons, stronger shearing winds and sinking air often occur over at least the Caribbean Sea and some adjacent parts of the Atlantic Basin. This ...

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.

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

A study has identified a key change that has amplified the impact of El Niño on Arctic sea ice. The effect has been observed ...

El Niño and La Niña are the warm and cool phases of a natural climate pattern across the tropical Pacific known as the El Niño-Southern Oscillation, or “ENSO” for short. The pattern shifts back and ...

La Niña—a climate phenomenon characterized by unusually cool sea surface temperatures in the central and eastern tropical Pacific Ocean—can persist for multiple years, exerting significant climate ...

El Niño–Southern Oscillation (ENSO) is a coupled ocean–atmosphere phenomenon centered in the tropical Pacific, characterized by quasi-periodic fluctuations between warm (El Niño), cold (La Niña), and ...