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

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

U.S. Senators Alex Padilla (D-Calif.) and Lisa Murkowski (R-Alaska) announced bipartisan legislation that will reduce flood ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

Rain fell across northern California on Saturday and could continue for days with an atmospheric river hanging over the ...

Only if it falls as snow. A 2016 study by NASA, NOAA, UCLA, and Scripps Institution of Oceanography found that atmospheric river events are 2.5 times more likely to produce "rain over snow" events ...

Lisa Murkowski announced the Improving Atmospheric River Forecasts Act ... Western Weather and Water Extremes at UC San Diego’s Scripps Institution of Oceanography. “It will also enhance ...