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 ...

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

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.

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 ...

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

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

Here's how much is expected. The storm flooded some areas in Shasta County. More rain is on the way after a windy, ...