Wintry weather refuses to let go of its grip on Atlantic Canada as another round of snow, freezing rain and rain is on the ...

Explore the amazing discovery of Jupiter’s swirling dark vortices and their connection to its powerful magnetic field and ...

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of ...

Beijing residents were told to stay home, tourists sites were closed and thousands of flights were canceled across the ...

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

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

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

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

Overnight low temperatures in the upper 50s are normal for February, not April, but we may see them this weekend in South Florida.

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

This year, the Arctic polar vortex has seen the second-earliest final stratospheric warming of the season since 1958.