A polar vortex collapse is expected over the next two weeks, with experts warning the weather phenomenon could send mercury plummeting across North America. The shock meteorological change is ...

Polar Vortex collapse set to send temperatures plunging in the US and Canada - The weather event could unleash extreme winter conditions and disrupt travel ...

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological ... with the narrow bands of wind that blow about 8km to ...

The weather phenomenon is expected to develop in mid-March, bringing severe cold temperatures across parts of Canada and the United States. It may also impact the UK and Europe. A polar vortex ...