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 ...

Since the Ice Ages, the Polar Vortex has acted as a climatic gatekeeper. When breached, it unleashes freezing air into regions unprepared for it. This decade, those breaches are becoming more frequent ...

Obviously this isn't the first polar vortex episode of the winter, but it looks to be the most severe." FILE - A person walks along the shore of ice covered Lake Michigan, Feb. 13, 2025, in Chicago.

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

A polar vortex collapse occurs when the layer between 10 and 50km above Earth’s surface warms up to 50 degrees in just two days - known as sudden stratospheric warming (SSW). This warming can ...

As we sweat away the summer, imagine walking out of 98-degree heat and into a 72-degree, climate-controlled ballpark to watch ...

Rapid changes from wet to dry weather can create severe natural disasters. And these precipitation whiplash events are ...

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

From last winter’s polar vortex to this week’s heat wave, Chicagoans have experienced several degrees of uncomfortableness in a few short months. We weather the extreme weather well enough, thanks to ...

Because Michigan is not a hot climate - and we don’t have frequent heat waves like we’re experiencing now - our bodies are ...

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