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

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

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

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

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

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

After an atmospheric river doused the North Bay Tuesday, forecasters say more rain will return to the region Thursday and Friday. Residents can also expect temperatures to drop below freezing, ...

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