The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

There may be a disruption to the polar vortex due to an unusually early Sudden Stratospheric Warming event. Judah Cohen, a ...

It has been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

Although a major winter outbreak is not guaranteed, forecasters are watching for below-average temperatures to develop in the ...

NBC 5 Storm Team Meteorologist Kevin Jeanes took a look at what’s going on and what the weather may look like going into ...

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Michigan.