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 ...

The strongest atmospheric river of the season left roads submerged in sludge and created conditions for mudslides on wildfire ...

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 ...

An atmospheric river — the second to wallop the state ... that freezing rain and snow will impact parts of Oregon and Washington state overnight into Friday. These conditions were also expected ...

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

A strong Pacific storm with an atmospheric river will continue to pummel California ... falling across large proportions of the West, from Washington and Oregon, to the Rockies to the Desert ...

Crews will spend the coming days looking for smaller pieces of wreckage before finishing the work in about a week.

California, meanwhile, was bracing for an atmospheric river that could flood areas ravaged ... 250 into Ronald Reagan National Airport near Washington, D.C., according to the flight-tracking ...