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 ...

The deadly, widespread flooding disaster that plunged parts of the central and southern United States underwater in early April was fueled by a phenomenon that’s well known in the West but is less of ...

Like those East Coast storms, “atmospheric river” can feel like a buzzword — more attention grabbing than just “heavy rain,” even if that is how most people walking down the streets of ...

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.

An atmospheric river is poised to slam into the Eastern ... Unlike atmospsheric rivers on the West Coast, which Buckingham explained tend to hit more frequently than their East Coast cousins ...

The flooding came with storms caused by an atmospheric river that the National Oceanic and Atmospheric Administration (NOAA) forecast would hit the region on Wednesday. The 18 weather-related ...

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.

An exceptionally powerful atmospheric river fueled the deadly early April ... but they do happen with some regularity,” Cordeira explained. “The issue is that they don’t usually cause ...