Beginning this February, experts will make a small but critical change in how they measure the onset of El Niño and La Niña across the Pacific Ocean. This tweak is important to account for the effects ...

If you’ve been following forecasts for the autumn and winter, you might have seen discussion of La Niña, a weather pattern that has something to do with the changing temperatures in the Pacific Ocean.

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 ...

AUSTIN (KXAN) — The El Niño-Southern Oscillation (ENSO) cycle has long been used to help predict global seasonal weather. However, in a warming climate, higher baseline ocean temperatures can make it ...

Positive signs of a shift away from La Niña, potentially paving the way for a cooler, wetter El Niño later this year.