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 ...

The NAO is a large-scale atmospheric pressure see-saw in the North Atlantic and is a key driver of winter weather patterns in the U.K., western Europe and eastern U.S. It is measured by the ...