When you look at photographs of Earth from space, the planet looks like a blue marble, with patterns of clouds lying on the surface of the marble. It seems as if Earth's atmosphere is incredibly thin, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Atmospheric rivers are a plume of moisture ...

What is an atmospheric river? An atmospheric river is a narrow corridor of concentrated moisture in the atmosphere, often drawing moisture from tropical regions. When it moves over land, it can ...

SAN DIEGO COUNTY, Calif. — An intense storm is poised to bring strong rain, wind, cooler temperatures, and maybe even thunderstorms to San Diego as an atmospheric river sweeps across Southern ...

Another atmospheric river is forecast to drench the Bay Area beginning Tuesday evening and lasting through Christmas, bringing heavy rain and triggering a flood watch. As the storm intensifies, plumes ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: Atmospheric rivers ...