There is a phrase circulating across newsrooms, social media feeds, and emergency management briefings with a force that ...

Winter is here, and with it comes the term that everyone throws around: atmospheric river. Want to sound smart in front of your friends? We are here to help. Let's start with the basics. The ...

SAN DIEGO COUNTY, Calif. — An intense storm is poised to bring strong rain, wind, cooler temperatures, and maybe even thunderstorms to San Diego as an atmospheric river sweeps across Southern ...

There has been a lot of talk about the term “atmospheric river” in the last month or so. Some feel the term is now being overused or even misused. So what is an atmospheric river? The term first ...

A sign for a Christmas tree farm is pictured as flood waters from the Snohomish River cover Marsh Road off State Route 9 in Snohomish, Washington, on December 11, 2025. Tens of thousands of people ...

While rivers on the ground carry large amounts of water downstream, rivers in the atmosphere can do the same thing, only high above Earth’s surface. An atmospheric river (AR) is a long plume of ...

Atmospheric rivers are relatively long, narrow regions in the atmosphere – like rivers in the sky – that transport most of the water vapor outside of the tropics. While atmospheric rivers can vary ...

This week is going to be a mild, wet one. An atmospheric river that sent a surge of rain into western Washington Monday is now sagging south toward Northwest Oregon. It will then pivot north again ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

SAN DIEGO COUNTY, Calif. — A strong winter storm is bringing heavy rain and strong winds at times to Southern California from Wednesday to Friday through an atmospheric river known as the 'Pineapple ...