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

An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

A major atmospheric river storm is barreling toward California, raising the specter of damaging landslides and flooding ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier stretch ...

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

An atmospheric river is heading to Southern California by the middle of the week, and forecasters are becoming more and more confident that it’ll hit hard. The storm is expected to roll in ...