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 to bring severe winter weather to Canada and the US mid-month. This event could also ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

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

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

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

A polar vortex collapse is set to unleash harsh winter-like conditions across North America. A polar vortex is a large ...

The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

I'm Mimi Kiley reporting. The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and ...