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

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

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

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 Pacific Ocean is warming so quickly that scientists had to find a new method for detecting and predicting El Niño and La Niña events.

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 ...

The official NOAA CPC ENSO probabilities show a 75% chance of a transition to a neutral phase through late spring. When we’re in the neutral phase, it means the Pacific Ocean isn’t strongly warmer or ...

CLEVELAND — Hundreds of years ago, fishermen casting their nets off the coast of Peru and Ecuador noticed something unusual. Every few years, the ocean water in their usually productive fishing ...

Hurricane season officially is still several months away, but experts are already watching for early signs of what’s ahead. What to know in Florida.

Signals indicate a transition to ENSO-neutral conditions this spring and a likely shift toward El Niño by mid-summer 2026.