In the 1990s, scientists began to use the term "atmospheric river" to refer to strips of water vapor in the air that can be as narrow as a few hundred miles wide, but thousands of miles long. They ...

A radical change in a key phenomenon responsible for precipitation is happening across the world and researchers are ...

A National Weather Service map shows the impacts from an atmospheric river extending into the interior U.S. The storm hit the West Coast on Christmas. A National Weather Service map shows the ...

including an outbreak of tornados expected from the Southern Plains to the Southeast and an atmospheric river in the Northwest. Millions of people were under tornado watches on Saturday in eastern ...

A strong atmospheric river was making landfall in the Pacific Northwest early Thursday and is expected to bring heavy rain, strong winds and potentially dangerous surf in areas from Northern ...

Multiple atmospheric rivers taking aim at the Pacific Northwest could unleash a deluge across several states through Christmas Eve, AccuWeather reported. Millions of Americans will travel for the ...

The first atmospheric river storm of the season is forecast to slam into Northern California starting Wednesday, a powerful system expected to bring the rainiest weather to the Bay Area in nearly ...

An atmospheric river is scheduled to cause severe rain and possible flooding in parts of California over the next few days. But what is an "atmospheric river" anyways? Following is a transcript of ...

A series of three atmospheric river storms has already started bringing rounds of rain and mountain snow across the West Coast, most notably in northern California, through Monday. The first ...

Forecasters warn of dangerous conditions as another powerful atmospheric river takes aim at California. While these storms are dreaded for the damage they can cause, they are also essential to the ...