One of the more potent storm systems so far this season is setting up to bring significant widespread rainfall and windy ...

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

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

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

In the northern Sierra Nevada, snow will fall in feet — not inches. And in the Northern California Coastal Range, a general 5 ...

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

The Nashville May 2010 flood was found to have had a contribution from an atmospheric river which began in the eastern tropical Pacific basin. - An AR even chipped its moisture into the infamous ...

A much wetter stretch is ahead from California to Washington as multiple systems crash into the Pacific Coast. Here’s how ...

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.

Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.