If this late-week atmospheric river pattern shifts south, Sacramento's rain totals will increase. The same rule applies to snow chances around Lake Tahoe. If the northward trend continues, many of ...

An atmospheric river is slamming portions of California, with multiple inches of rain expected to drench the area until the storm runs out of moisture Wednesday morning, forecasters say.

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?

The storms, known as atmospheric rivers, are a common feature of West Coast winters. They’re thin ribbons of moisture carried by powerful winds, sometimes for thousands of miles, which can make ...

An atmospheric river is a long, narrow band of moisture that oftentimes comes ahead of a storm system. It's a big source of moisture for the Western U.S. and, specifically, the Sierra Nevada and ...