Michigan and the Great Lakes are bracing for another cold shot later month as a polar vortex split in the stratosphere nudges ...

The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the month of March.

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.