Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

The remnants of an "atmospheric river" will move across Arizona Friday into the weekend, but most of the river's flow will ...

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

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

An atmospheric river is forecast to bring torrential rain to California this week, threatening parts of the state with flash ...

A new atmospheric river is bearing down on California, including fire-ravaged Los Angeles, where residents are bracing for ...

A second round of rain is expected to fall over the Bay Area on Thursday into Friday morning, along with flood warnings, high ...

The Glory Hole acts as flood mitigation for the the manmade lake, serving as a massive funnel once water levels reach about ...

An incoming atmospheric river is expected to have the biggest widespread impacts of any storm this season, delivering up to 2 feet of snow or more across many mountain regions.

Thursday’s storms followed two days of heavy snow and freezing rain in a swath of the eastern U.S. stretching from Kentucky to Washington, D.C., that caused hundreds of traffic accidents, knocked out ...