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

On Monday, winter alerts were in place across the central Plains, the Midwest, the Ohio Valley and the mid-Atlantic ahead of ...

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

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

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

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 ...