Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. A major ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

Brrr, January 2025 is bringing some serious chill! 🥶 Dive into the science of the polar vortex and learn what’s behind this ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

The word “supercell” may sound like hype, but they are real thunderstorms with rotating updrafts that can have serious ...

The Old Farmers Almanac has predicted the last frost dates across the U.S. for 2025 -- and some in the Chicago area might be ...

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy weather during April. The first such shift will take place over the weekend ...

After the polar vortex made its most dreadful and intense appearance in New York City this past winter, spring is finally in ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...