Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

An international research group has found that extreme cold snaps in the United States are driven by disruptions in a high-altitude Arctic air mass called the polar vortex, Hebrew University of ...

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S.—and this study explains why. Researchers found that two specific ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

SMFab.,LTD. is proud to introduce the Polar Valve, a revolutionary freeze-proof outdoor faucet designed to provide robust ...

Trump administration announces $16 billion in expedited congressionally mandated disaster assistance for farmers.

The Founding Fathers who gathered in Philadelphia to adopt the Declaration of Independence on July 4, 1776 picked a nice day ...

Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...

Charlottesville and much of central Virginia were under an extreme heat warning Tuesday, with temperatures predicted to stay ...