First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged ...

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: Where do atmospheric rivers come from?

The US had a rare year without a hurricane make landfall, but it saw too much extreme rainfall and flash flooding across the country.

The Atmospheric River Reconnaissance program joins forces with research programs across the world to improve forecasts of extreme weather events “We know that better measurements of atmospheric rivers ...

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 ...

National Weather Service (NWS) meteorologists are warning of another atmospheric river set to hit the Pacific Northwest later this week, with a forecast map of the storm showing heavy precipitation ...

Getting your Trinity Audio player ready... In a major escalation of this administration’s attack on science and weather research, the Office of Management and Budget is saying it plans to break up the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Qian Cao, University of California, San Diego (THE CONVERSATION) Along the U.S. West ...

Washington and Oregon are bracing for major flooding and possible evacuations as an atmospheric river event brings heavy rainfall to an already saturated region. More than 6 million people are under ...