Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed by some of the coldest temperatures seen in years. The storm began out ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...

The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of the U.S. in December. Last week, almost 100 daily record lows were tied ...

Every year, the winter buzzwords start to fly before we set the Thanksgiving table. And who doesn't love feasting on the polar vortex? Everyone's favorite (or favorite to hate) phenomenon spins up in ...

In recent years, the global climate has become increasingly extreme, with intensifying alternations of droughts and floods—particularly in ecologically vulnerable mid-latitude regions. But what is ...

CHICOPEE, Mass. (WWLP) – This winter could be average, unlike recent years, due to the influence of the polar vortex. The polar vortex, which is a persistent large-scale cyclone located near the North ...

BUT LET’S TALK ABOUT THE POLAR VORTEX HERE. SO IT’S REALLY AN AREA OF COLD AIR THAT’S TRAPPED AROUND THE ARCTIC. AND IT’S JUST GOING TO IT USUALLY JUST STAYS PUT THERE. BUT WHEN IT WEAKENS, THAT JET ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...