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

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

On Friday, the storied coastal road had dissolved into a river of mud and debris after a powerful rainstorm sent those burned ...

Footage shot on Thursday shows the devastation caused by an atmospheric river drenching Southern California, particularly in ...

The Pacific Coast Highway along Malibu canyon was closed after runoff pushed mud and debris over the road and into the ...

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

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest ...

Malibu’s Pacific Coast Highway, which just reopened after last month’s devastating Palisades Fire, is closing again Tuesday ...

A new atmospheric river is slamming California, including fire-ravaged Los Angeles, where residents are bracing for the possibility of mudslides and landslides.

Just a month after fierce Santa Ana winds propelled a firestorm across Los Angeles County, residents faced another extreme ...

A persistent trough of low pressure has parked itself along the Pacific Northwest. As it spins counterclockwise it is pumping ...