Snow and ice in whiteout conditions contributed to a pileup of as many as 30 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas ...

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

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 ...

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

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

Parts of Pacific Coast Highway remained closed due to heavy flooding and mudslides in Southern California, according to state ...

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring significant flooding to roads and a high risk of landslides. Here's what you need ...

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