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 ...

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.