The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically circulates around the North Pole and South Pole, but can push ...

the term "polar vortex" describes a massive cyclone of air that is always swirling high in the atmosphere above the North and South Pole. Cold spells like the one in the forecast this weekend can ...

Life-threatening' cold temperatures generated by a polar vortex will be fueling ... like temperatures plunging well below zero. Antarctica 'super vortex' is speeding up due to climate change ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

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

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

Photo Credit: AL DRAGO Massive disruption in winter weather engineered by a ‘polar vortex’ will pump a blast of frigid air into eastern parts of the US, rendering Donald Trump’s second ...

In addition to the white stuff, Waterloo Region is about to get hit with the worst polar vortex seen in Ontario in over a decade, with the Weather Network predicting parts of southern Ontario will ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...