Following an unusually dry January, a powerful atmospheric river known as the ‘Pineapple Express’ has ... and its humidity falls — sometimes to less than 10%. Subscribe to our UPSC newsletter and stay ...

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 ...

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

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

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

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

The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?

An atmospheric river event that slammed California this week is expected to subside Wednesday after causing some flooding, mudslides and major downpours in the northern part of the state.

A rainstorm caused by an atmospheric river brought light to moderate rainfall throughout the Los Angeles area. A second storm is already making its way toward the region. The National Weather ...

Despite Wednesday's sunny weather, the Sonoma County Sheriff's Office said that previous evacuation orders along the Russian River prompted by this week's atmospheric river are still in effect.