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

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

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

Skiers may delight in the snow forecast, but the latest in a series of atmospheric rivers threatens to bring flooding and ...

Places like California, Oregon, Washington, Idaho, Utah and Nevada are (somewhat) used to this sort of phenomenon. You can ...

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 ...

You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?