An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting ...

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

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

Northern California has been pummeled by atmospheric rivers that have swelled the region’s reservoirs. So where do reservoir ...

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

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

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 ...

"When atmospheric rivers make landfall, they often release this water vapor in the form of rain or snow," the NOAA said. A Pineapple Express is a strong atmospheric river that is capable of ...