Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

As atmospheric rivers pounded the U.S. West Coast last winter, scientists deployed increasingly advanced observing tools over ...

A series of atmospheric river events during the winter and spring have caused reservoirs to swell to more than 118% than is ...

The Bay Area is bracing for yet another major storm as an atmospheric river makes its way through California this week ...

Atmospheric river storms are drought busters in California, dumping huge amounts of rain in narrow corridors within short periods of time. The ongoing storm slamming Los Angeles, the nation's ...

A view of the California drought map as of April 10, 2025.

Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California. While these storms are dreaded for the damage they can cause, they are also essential to the ...

Languages: English. The atmospheric river arrived on Tuesday. It is bringing up to four feet of snow to high elevation areas, heavy rain to Southern California and strong winds statewide.

Such atmospheric river events are known to provide much of California's wet season rainfall, as well as its worst flooding. Flights from the West Coast to Hawaii and Asia next week may take longer ...

Map of Sierra Nevada in California showing how an atmospheric river develops. Most atmospheric rivers are weak and do not cause damage. In fact, they can provide much-needed rain or snow.

(Reuters) -Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding, trigger mudslides and result in loss of life and enormous property damage.