The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of cold weather is due to activity of the polar vortex.

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Back when “climate change” took over—when the atmospheric concentration of carbon dioxide was well below 400 parts per ...

A polar vortex will plunge Waterloo region, Guelph and Wellington County into a deep freeze until Wednesday, Environment ...

A mass of cold air from the Arctic – known as a polar vortex - is what’s chilling Quebec, including Montreal, until Wednesday ...

A polar vortex is going to bring very cold air to much of southern Ontario, including Waterloo region, Guelph and Wellington ...

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard conditions.

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...