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 ...

A persistent trough of low pressure has parked itself along the Pacific Northwest. As it spins counterclockwise it is pumping ...

Heavy precipitation is falling mostly in mountain areas. A flood watch in also in effect for the coast of central California, ...

Heavy rain and heavy snow are expected to affect Northern California this weekend as an atmospheric river arrives.

An atmospheric river is a weather feature that can be beneficial and crucial, but can also be a damaging event - particularly for those near the West Coast of the United States. The definition ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit Los Angeles County on Tuesday, aiding ...

It could rain for many hours each day in the middle of next week as the edge of these storms take a swing into Southern ...

The only category worse is “exceptional” drought ... Lewis said rainfall will stem from one of the atmospheric river storms that will more directly, with more intensity and moisture, hit ...