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

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Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...

A First Alert Weather Alert is in effect today as an atmospheric river delivers some much-needed rain to Southern California. This comes as drought has plagued the region since the start of the year.

A winter storm arrived in Shasta and Siskiyou counties on Thursday, dropping snow from Redding to Yreka and causing delays on Interstate 5.

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers ...

An atmospheric river event is forecast to bring rainfall, snow, and the potential for flooding to parts of California this ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

An atmospheric river could bring mudslides to parts of California ravaged by massive wildfires. CBS News' Carter Evans is ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

A flood watch is in effect from 10 p.m. Wednesday through 10 p.m. Saturday for Marin, Monterey, San Francisco, San Mateo, ...

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