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

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

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

A University of Hawaii at Mānoa study on the freezing of water droplets suspended in air sheds light on a key process in ...

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

A miraculous step forward in material science could unlock a solution to the water crisis plaguing the globe by sourcing ...

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday.

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.

After a bit of a break from the rain on Monday morning, a second atmospheric river is on track to soak the Bay Area.