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

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

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 ...

California's two largest reservoirs, Lake Shasta and Lake Oroville, saw water level increases over the weekend after an ...

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.

An atmospheric river gathers moisture from the tropics and moves it inland. California will see heavy rain and snow in some areas, mostly in the north. Arizona will not only remain dry ...