NOAA has declared that a La Niña is underway. This cool weather event is likely to be shorter and weaker than usual, but will still affect global weather and climate.

The long-awaited La Niña has finally arrived but it is weak and meteorologists say it's unlikely to cause as many weather problems as usual. Experts have been expecting the arrival of the climate phenomenon since last spring but finally,

Weather patterns across the U.S. and the world from October through December resembled patterns from previous La Niña events. La Niña is considered to be the cool phase of the El Niño-Southern Oscillation (ENSO) and is characterized by lower-than-average sea-surface temperatures,

A La Niña advisory is in effect. La Niña occurs when the ocean's surface temperatures in the central and east-central equatorial Pacific reach a specific cooler-than-average level, as circled below. In addition, the response of atmospheric circulations globally are also considered.

It's not great news for the Gulf Coast and other storm-prone regions: La Niña is associated with more tropical activity in the Atlantic Ocean. But this event might not make it to hurricane season.

A long-awaited La Niña has finally appeared, but meteorologists say the periodic cooling of Pacific Ocean waters is weak and unlikely to cause as many weather problems as usual.

NOAA predicts La Niña to persist until spring 2025 Event likely to be weaker and shorter than typical La Niñas Global weather patterns, including hurricanes, could still be affected

In Westchester, a chicken named Cluxatawney Henrietta successfully predicted early springs in 2023 and 2024. Will it happen again?

Eastern North Carolina faces severe drought in 11 counties, with another 42 counties experiencing moderate conditions.

Florida is bracing for another polar plunge this week as bitterly cold weather returns to the State with a wintery mix of possible freezing rain, snow, and more.

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

La Niña has finally materialized. Here’s what that means for South Carolina weather and snow during the rest of the winter.