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 National Weather Service said the atmospheric river would sweep down from the Pacific Northwest into Southern California from ... early Thursday and another coming late Thursday into Friday.

This storm is the first in a coming wave of atmospheric river-type storms that will affect California for the next week, raising concerns of continued flooding risks and stresses on water ...

The deadly, widespread flooding disaster that plunged parts of the central and southern United States underwater in early ...

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.

A storm that parked itself over Southern California for ... heads south over the coming days. Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California.

The final round of rain for the week is expected to deliver between a tenth and a quarter of an inch of rain along the coast and valleys. But don't put umbrellas away yet.

Explainer-What Are Atmospheric Rivers and Why Do They Cause Flooding? (Reuters) -Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding ...

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.