Polar vortex, Arctic blast

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...
An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...
An Arctic blast arrived in central Ohio on Monday, bringing with it the coldest air that central Ohio has felt in more than ...
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...
Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.
Another blast of Arctic air is set to sweep across the South early next ... polar air comes south sometimes where the ...
An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...
With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...