Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

A series of atmospheric river events during the winter and spring have caused reservoirs to swell to more than 118% than is ...

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 ...

As atmospheric rivers pounded the U.S. West Coast last winter, scientists deployed increasingly advanced observing tools over ...

Atmospheric river storms are drought busters in California, dumping huge amounts of rain in narrow corridors within short periods of time. The ongoing storm slamming Los Angeles, the nation's ...

Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California. While these storms are dreaded for the damage they can cause, they are also essential to the ...

A view of the California drought map as of April 10, 2025.

Explainer-What Are Atmospheric Rivers and Why Do They Cause Flooding? (Reuters) -Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding ...

WHAT IS AN ATMOSPHERIC RIVER? It starts when a large amount of water vapor from tropical oceans is carried by a jet stream ...

(Reuters) -Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding, trigger mudslides and result in loss of life and enormous property damage.