The Oceanic Niño Index (ONI) has traditionally been the NOAA’s primary indicator for monitoring the ocean part of the ...

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

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 ...

Scientists say the new index for El Niño and La Niña is a better indicator of ocean temperature extremes and atmospheric circulation patterns that influence weather in California and the U.S.

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 ...

KANSAS CITY — La Niña continues in place across the eastern equatorial region of the Pacific Ocean and is likely to linger a ...

Why? And what does it mean for surf forecasting?

AUSTIN (KXAN) — Before we’re even done with this current La Niña episode, we’re already seeing some signs of El Niño developing in a few months. La Niña is the cool phase of the climate pattern known ...