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

Heavy rain from the latest atmospheric river triggered flood warnings in several Bay Area counties and evacuations in Santa ...

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

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

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

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

Rain has begun to fall in San Luis Obispo County as it braces for an atmospheric river-fueled storm that is slated to bring ...

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring significant flooding to roads and a high risk of landslides. Here's what you need ...

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

An atmospheric river is forecast to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.