The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

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

The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

A polar vortex collapse is set to bring freezing cold temperatures and travel chaos to large parts of the US and Canada in ...

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

A polar vortex collapse is expected over the next two weeks, with experts warning the weather phenomenon could send mercury ...

The seemingly imminent polar vortex collapse will result in arctic air being released into North America, marking the second ...

A polar vortex collapse is expected to bring severe winter weather to Canada and the US mid-month. This event could also ...

AccuWeather long-range forecasters are warning that a significant shift in the weather pattern could bring a blast of frigid ...