The heavy precipitation is due to an atmospheric river, which can carry more water than the Mississippi River. Blizzard conditions are expected in the Cascades and far northern California due to ...

Editor's note: This page reflects news from Wednesday, Feb. 12. For the latest updates on the atmospheric river in California, read USA TODAY's coverage for Thursday, Feb. 13. SAN DIEGO ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit Los Angeles County on Tuesday, aiding hopes of a more definitive end to a devastating fire weather season for ...

Live storm map: See where rain is hitting California and Bay Area Mechanisms for a long-lasting atmospheric river-fueled ...

Paul Pastelok, an AccuWeather senior meteorologist and long-range expert, told Newsweek that another strong atmospheric river winter could further improve California's water situation, as drought ...

A high-end atmospheric river is continuing to pummel Northern California on Friday as it slowly meanders through the region on the tail end of a historic bomb cyclone that developed off the ...

Learn about the extreme weather events that tested Santa Monica's resilience, from a powerful February storm to a sudden May ...

Researchers analyzed more than 43,000 atmospheric river storms across 122 watersheds on the West Coast between 1980 and 2023.

California's Central Valley—one of the nation's most critical agricultural regions and home to over 1.3 million people—is ...

Originally meant to study desert dust, NASA’s EMIT instrument just exposed sewage contamination in the Pacific Ocean by ...

A new study by the UC San Diego Scripps Institution of Oceanography, published last week in the journal Science Advances, ...