Live tracker maps show that an atmospheric river is expected to continue dumping rain across multiple states in the Midwest ...

A rare atmospheric river is hitting a large portion of the Midwestern and Southern U.S. this week, causing significant floods.

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

When a bomb cyclone meets an atmospheric river, the result is like an out-of-control fire hose A powerful storm hitting the West Coast combines these weather phenomena for a wet week in many areas.

Here's an explanation of how they form, their size and potential impacts. WHAT IS AN ATMOSPHERIC RIVER? The weather system occurs all over the world. It starts when a large amount of water vapor ...

Map of Sierra Nevada in California showing how an atmospheric river develops. Most atmospheric rivers are weak and do not cause damage. In fact, they can provide much-needed rain or snow.