All traffic is being turned around on Interstate 80 in the Sierra as an atmospheric river dumps snow Wednesday night.

People were told to avoid unnecessary travel across much of California on Wednesday as an atmospheric river hit the state.

A new study finds that atmospheric rivers — the heavy rain and wind events most known for dousing California and other parts ...

"An atmospheric river will surge onshore Wednesday/Thursday bringing heavy rain and snow to the Pacific Coast," the National ...

A series of storms in Northern California brings rain, wind, and snow, with major travel disruptions expected.

Using historical forecasts, reservoir storage and river flow data, scientists found that FIRO, combined with a planned second spillway at New Bullards Bar, could provide additional flood storage ...

The California Department of Water Resources says that this approach, known as the Forecast-Informed Reservoir Operations, or ...

How much rain did an atmospheric river drop on Fresno? 1.56 inches in a 16-hour period ending at noon Thursday. There's more to come.

In the 1860s, California had to move its capital out of Sacramento because of an atmospheric river flooding. These events aren't just a California thing. They actually happen all over the United ...

In the 1860s, California had to move its capital out of Sacramento because of an atmospheric river flooding. These events aren’t just a California thing. They actually happen all over the United ...