California is in the midst of a strong atmospheric river that's caused flooding, evacuations, road closures, and mention of it is all over the news and social media. And this comes on the heel of ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit Los Angeles County on Tuesday, aiding hopes of a more definitive end to a devastating fire weather season for ...

The water is moved over the ocean in the form of water vapor, not a "river" in the way we think of them on land. They tend to move through the atmosphere in streams between 250 and 375 miles wide.

Donate now. In recent years, "atmospheric river" has become used much more frequently in scientific papers and in media coverage. According to experts who study climate and weather, a couple ...