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

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring ...

Snow and ice in whiteout conditions contributed to a pileup of as many as 30 cars on a major highway connecting Oregon and ...

A strong Pacific storm with an atmospheric river will continue to pummel California ... diminishing to showers from north to south. Friday: Showers will linger over much of the state, before ...

Though scattered showers are expected to linger south of the Golden Gate through ... which is when a powerful atmospheric river will likely drench the Bay Area with torrential rain, flooding ...

While most look for ways to avoid the steady rain falling from atmospheric rivers ... it feeds into the Feather River, is also affected by the Middle and South Yuba rivers, which feed into ...

Most of the California coast is under a flood alert as torrential rain and mountain snow intensified over California Thursday ...

Snow and ice in whiteout conditions contributed to a pileup of more than 100 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the ...

The storm system that cut a path from Kentucky to Maryland and points farther north on Tuesday brought more than 14 inches ...