Add Yahoo as a preferred source to see more of our stories on Google. When most people hear the term polar vortex, they think of extreme cold, dangerous wind chills and relentless winter weather.

A cold snap has kept high temperatures below freezing and overnight lows in the negative in Bucks County since a Jan. 26 snow storm came thorugh the area, but severe temperatures are expected to ...

Winter 2025-2026 has brought some real bouts of brutal winter weather, not consistently, but still, more than most modern, pathetic winters we’ve seen. It’s been especially wintry for the southern ...

Hello, world? Can I come out of hibernation yet? Folks in the central and eastern United States who've endured weeks of bitter cold and snow are wondering: Is winter over? Will the polar vortex come ...

Schools are closing or operating remotely and warming shelters are opening their doors as temperatures in Northwest Indiana are expected to plunge into the negative single digits Friday and wind ...

A major snow and ice storm is expected to affect tens of millions of people from Texas to New England over the weekend. The storm is very large, and it could be particularly dangerous because a frigid ...

The snow has melted, the air is warm, and the first day of spring 2026 is near, but don't pull out the swimsuit just yet, because "false spring" in New York will be disrupted by the polar vortex split ...

Global climate models capture many of the processes that shape Earth's weather and climate. Based on physics, chemistry, fluid motion and observed data, hundreds of these models agree that more carbon ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

The frigid air in place across the eastern U.S. actually came from thousands of miles away and is a phenomenon known as an Arctic blast. For this "Zoomin' around with Zoe" segment, meteorologist Zoe ...