An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, and thunderstorms were ...

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

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

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.

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

A developing winter storm could bring a potentially crippling ice threat from the Midwest to the Northeast, and the West ...

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...