A prolonged atmospheric river will continue to drive moisture into the Pacific Northwest and northern California. Rain, snow and higher elevation snow is expected in areas like Portland ...

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest, with the Portland area bracing for a cold week ahead. Showers are expected to ...

A persistent trough of low pressure has parked itself along the Pacific Northwest. As it spins counterclockwise it is pumping in a lot of moisture from the West ...

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

PORTLAND, Ore. (KOIN) — Our dry January comes to an end around Portland as a weak atmospheric river brings rain and wind back to the Pacific Northwest on Friday. Soaking rains will last much of ...

While the West Coast will feel the soggy effects of an atmospheric river this week, the system won’t bring any moisture into drought-stricken Arizona. Parts of California and the Pacific Northwest ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

An atmospheric river is a weather feature that can be ... Up to 74 percent of Pacific Northwest droughts and up to 40 percent of California droughts from 1950 to 2010 were ended by an AR ...

An atmospheric river is a long band of water vapor that extends over the Pacific Ocean for thousands of miles and is hundreds of miles wide. The weather events have been known to bring major ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...