A late-season, minor atmospheric river is expected to impact parts of the west coast Friday and into the weekend.

KOIN 6 Meteorologist Josh Cozart explains the chance for a weak atmospheric river to bring rain back to the Portland area this weekend.

A team of paleoclimatologists with the U.S. Geological Survey, NASA Ames Research Park, has found that atmospheric rivers in ...

Heavy rainfall will hit Oregon over the next four days, but it’s probably not enough to bring flooding. Snow will also fall ...

The most powerful storm system slammed into California in early February, inundating Los Angeles with record rainfall.

“Our findings show that atmospheric river activity exceeds what has occurred since instrumental record keeping began,” said Clarke Knight, a U.S. Geological Survey research geographer and the ...

Recent studies have suggested that as the Earth’s climate continues to warm, the likely outcome for California is the type of ...

Scientists from the U.S. Geological Survey studied atmospheric rivers across Leonard Lake, California, over a period of 3,200 ...

A fast-moving storm from the north will bring rain, thunderstorms, gusty winds, high-elevation mountain snow, and much cooler ...

Short-lived, weak atmospheric river possible in Oregon Friday Another fire engine arrived and attached their line to a ...

In California's 2022-2023 winter season, the state faced nine atmospheric rivers (ARs) that led to extreme flooding, ...