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

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

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

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

A new rain storm is bearing down on California, including fire-ravaged Los Angeles, where residents are bracing for the possibility of mudslides and landslides.

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

There's no shortage of organizations and high-profile individuals driving Southern California's wildfire recovery. Have they ...

Another storm will impact Northern California starting Thursday morning. That event is forecast to be somewhat less impactful ...

Southern California faces a risk of damaging debris flows this week, as a potentially strong atmospheric river is set to ...

Another storm will impact Northern California starting Thursday morning. That event is forecast to be somewhat less impactful than the high winds and mudslides on Tuesday that caused a home to ...

A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

Southern California is about to get its heaviest rainfall of the season, increasing the risk of floods and mudslides across ...