It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

Wind chills will bring the feeling of negative temperatures between -15 and -25. Wind gusts on Thursday morning were reaching into the 40 mph range.

The displacement of the polar vortex over the eastern half of the U.S. will usher in days of Arctic cold through the end of ...

The last time Texas experienced a “polar vortex effect” was last winter, when a cold front brought frigid temperatures and wind chills down to -15 degrees. David Montesino dmontesino@star-telegram.com ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

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Tornado-like vortices are complex, rapidly rotating flow structures that significantly influence wind effects on built infrastructure and natural landscapes. Their characterisation involves ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Central Indiana once again had highs around ...