Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

We are in the thick of it now with some areas experiencing the coldest air temperatures since the polar vortex of the 2019 ...

The coldest air that we’ve felt in six years has Michigan in its icy grips today. The cold blast originating in northern ...

Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.

C in the Northern Plains and Upper Midwest, into the teens in the central Plains and Midwest and near 30 degrees in parts of the South on Saturday ...

Tom Brady won a Super Bowl at 43. Lewis Hamilton is preparing to race for Ferrari in Formula 1 at 40. Serena Williams reached ...

According to the European model, there's a chance that the air temperature at MSP could hit -20°F for the first time since ...

A potent cold front will open the door to frigid Arctic air, with some of the coldest conditions in years set to spread ...