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. Atmospheric rivers generally form in tropical regions, where warm temperatures can ...

This week is going to be a mild, wet one. An atmospheric river that sent a surge of rain into western Washington Monday is now sagging south toward Northwest Oregon. It will then pivot north again ...

A program focused on key storm systems, known as atmospheric rivers, that provides students with hands-on research experience, launched its second season in January. Valparaiso University balloon ...

Atmospheric rivers act like "rivers in the sky," shuttling intense bands of warm, heavy moisture from lower to higher ...

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 ...