The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

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

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

SAN FRANCISCO – A series of "atmospheric river" storms aimed at Northern California ... The rainfall was so intense that in one dramatic example, a mudslide caused an entire house to slip ...

Other examples of atmospheric rivers around the ... The Nashville May 2010 flood was found to have had a contribution from an atmospheric river which began in the eastern tropical Pacific basin.