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

Expert are warning of a polar vortex collapse in the next couple of weeks, plunging North America into freezing ...

Following more wintry weather from storms this weekend in the Midwest and Northeast, warmth will build and expand over the central and eastern United States next week. However, Accuweather's ...

Extreme weather is sweeping across the United States. Last week, the polar vortex peaked, bringing freezing temperatures to ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

The National Oceanic and Atmospheric Administration (NOAA) explains that a polar vortex is a large area of low pressure and ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...