Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another rainy storm system.

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

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 ...

An atmospheric river is slamming portions of California, with multiple inches of rain expected to drench the area until the storm runs out of moisture Wednesday morning, forecasters say.

A powerful storm with an atmospheric river threatens to bring life-threatening flooding and debris flow from Los Angeles ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding days after an earlier system broke daily rainfall records ...

Numerous weather alerts are in place across Northern California as an atmospheric river is set to bring excessive moisture to the region this weekend. They include a winter storm warning ...

An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, triggering evacuation orders for the area around the Russian River in Sonoma County. In addition ...

(Brian van der Brug / Los Angeles Times) 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 ...