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

An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, triggering evacuation ...

Snow and ice in whiteout conditions contributed to a pileup of more than 100 cars on a major highway connecting Oregon and ...

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 ...

A much wetter stretch is ahead from California to Washington as multiple systems crash into the Pacific Coast. Here’s how much rain and snow is on the way and when.

Malibu’s Pacific Coast Highway, which just reopened after last month’s devastating Palisades Fire, is closing again Tuesday ...

An atmospheric river was pummeling Southern ... of Transportation said it was shuttering part of the Pacific Coast Highway, a major north-south state route, due to heavy flooding and mudslides.

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 ...

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