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

An atmospheric river is essentially a narrow band of Pacific moisture, water vapor, that is funneled into a long narrow flow.

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

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.

In the northern Sierra Nevada, snow will fall in feet — not inches. And in the northern California Coastal Range, a general 5 to 10 inches of rain is expected to fall.

Happy weekend, Utah! We have a dry set up in southern Utah for the weekend, while a moisture-rich storm targets the northern half of the state.

The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

The West Coast is in the middle of a long-lasting and potent atmospheric river event, which will bring days of heavy rain and ...