Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

Last June, the U.S. Army Corps of Engineers, which operates a series of dams in Oregon's Willamette River Basin, missed a deadline set by Congress to produce a report on how the dams are affecting ...

The NOAA explains that atmospheric rivers are long ... they carry a volume comparable to the flow of the Mississippi River at its mouth. Exceptionally strong atmospheric rivers can transport up to 15 ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

Following a brief lull in the stormy pattern, California residents are on track to be doused by another atmospheric river, AccuWeather meteorologists warn. Through early this week, the drier ...

Another atmospheric river is preparing to take aim at the Bay Area and Central California, bringing “impactful rain,” flash flooding and potentially even a light dusting of snow to this week ...