An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash ...

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

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

A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

The Glory Hole acts as flood mitigation for the the manmade lake, serving as a massive funnel once water levels reach about ...

A major atmospheric river storm is barreling toward California, raising the specter of damaging landslides and flooding ...

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

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

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

Some areas of Southern California began to see light snow falling Wednesday morning as the first pulse of a significant winter storm slowly moved into the region.