A tight storm system named Winter Storm Jett will force a potent branch of the pineapple express ashore across the West Coast, bringing heavy rain and snow across the region. The atmospheric river ...

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

In a dramatic rescue during a major storm fueled by an atmospheric river, a Northern California deputy saved a driver trapped in her vehicle after it plunged into a flooded creek near Port Reyes ...

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

San Francisco broke a daily record for rain that had been in place since 1887 on Tuesday, with a pounding 2.53 inches of rain falling, according to the National Weather Service. The rain was so heavy ...