Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
BBC4y
Arctic Circle sees 'highest-ever' recorded temperatures
Wildfires have been made more severe by high temperatures and strong winds in the Arctic Temperatures in the Arctic Circle are likely to have hit an all-time record on Saturday, reaching a ...