Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause ...

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

Team coverage of the overnight atmospheric river that caused some Santa Cruz County evacuations and has left flood and wind ...

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

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

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

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

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

A relentless atmospheric river is drenching the Bay Area, with heavy rain expected to continue for several hours on Thursday. Flood advisories remain in effect, and the risk of flash flooding in urban ...

An atmospheric river is expected to impact northern Arizona late Thursday. Brian Klimowski is meteorologist in charge at the ...

The National Weather Service said 2-4 inches of rain are expected in lower elevations, 4-8 inches in the higher ones.