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 ...

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 ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather ... Locations farther south like Los Angeles are facing ...

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 ...

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

Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...