Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

Atmospheric rivers can carry up to 15 times the volume of the Mississippi River, according to the National Oceanic and ...

WHAT IS AN ATMOSPHERIC RIVER? It starts when a large amount of water vapor from tropical oceans is carried by a jet stream ...

At least 18 people have died in what the National Weather Service (NWS) has called "catastrophic flooding" that hit the South ...