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

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

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

Southern California will get drenched Thursday after an atmospheric river made its way into the region. With possible mud and ...

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

A monster rainstorm was drenching southern California on Thursday, with officials in LA readying for flooding and landslides ...

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

The California Office of Emergency Services is deploying resources across California ahead of an atmospheric river storm ...