Atmospheric rivers are relatively long, narrow regions in the atmosphere – like rivers in the sky – that transport most of the water vapor outside of the tropics. While atmospheric rivers can vary ...

A strong-to-extreme atmospheric river will stretch 7,000 miles from the Philippines to the Pacific Northwest this week, bringing significant rainfall, high-elevation snow and strong winds to ...

A sign for a Christmas tree farm is pictured as flood waters from the Snohomish River cover Marsh Road off State Route 9 in Snohomish, Washington, on December 11, 2025. Tens of thousands of people ...

HUNTSVILLE, Ala. (WHNT) — A powerful weather system is causing a headache across the Northwest region of the United States. An atmospheric river has set up over the Pacific Ocean, leading to another ...

Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land. Here’s a look at the phenomenon: Atmospheric rivers generally form in tropical ...

SAN DIEGO COUNTY, Calif. — A strong winter storm is bringing heavy rain and strong winds at times to Southern California from Wednesday to Friday through an atmospheric river known as the 'Pineapple ...

Western Washington residents woke up Monday to their final hours of dry weather before a powerful atmospheric river unleashes 10-15 inches of rain on the region’s mountains and triggers widespread ...

Portions of Northern California are bracing for a powerful atmospheric river storm beginning Tuesday night, with forecasters warning that the system is expected to be more disruptive due to its ...