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

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

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers ...

Extreme precipitation events in Antarctica, which are mostly dominated by snowfall due to sub-zero temperatures, also include rainfall, according to new research.