Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean. Some get the nickname ...

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

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

The normal rainfall amount for this point in the water year is 11.72 inches, she said. The above-average rainfall totals come in the wake of atmospheric river systems that have dumped rain on ...

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

Snow flurries fall in Seatac in Washington on Interstate 5 as Atmospheric River moves through (Video Credit: @wsdot_traffic).

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

Investigators have recovered most of the airplane and helicopter from the Potomac River, but continued searching for objects ...

KOIN 6 Meteorologist Josh Cozart shares Portland's wintry mix, winter cold and sunshine, to an atmospheric river that's ...

Crews continuing to search for debris from the deadly midair collision near Washington used a plane outfitted with lasers to ...