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

By Shanna Hanbury It’s official: a weak La Niña came into fruition in late December and is expected, with significant ...

Its delayed arrival may have been influenced — or masked — by the world's oceans being much warmer the last few years, said ...

Weather patterns across the U.S. and the world from October through December resembled patterns from previous La Niña events.

La Niña, the periodic cooling of Pacific Ocean waters, has finally arrived, but forecasters predict it is weak and unlikely to cause as many weather problems as typically seen.

Last year was the hottest ever recorded, according to data from the National Oceanic and Atmospheric Administration (NOAA) ...

NOAA: La Niña has officially arrived, though late, and is expected to remain weak, with a 59% chance of persisting through ...

Last winter—affected by El Niño—was the warmest on record in the U.S., with temperatures across the lower 48 states measuring 5.4 degrees higher than average, according to NOAA. Several ...

It's not great news for the Gulf Coast and other storm-prone regions: La Niña is associated with more tropical activity in ...

Its delayed arrival may have been influenced by the world's oceans being much warmer the last few years, said Michelle L'Heureux, head of NOAA's El Nino team. “It’s totally not clear why this ...

A long-awaited La Niña has finally appeared, but meteorologists say the periodic cooling of Pacific Ocean waters is weak and ...