Polar vortex is coming to Louisville area; Here's how cold it will get
Polar vortex keeps much of the U.S. in its icy grip
The polar vortex brings its bitter cold to the Southern U.S.
Polar vortex continues hold on nation
The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances of freezing weather through much of the country.
Altoona Mirror10d
Polar vortex keeps much of country in icy grip
A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid grip, making many roads treacherous,
The Polar Vortex Readies to Dump Snow on Texas and Its Neighbors
An area stretching from Texas to Tennessee is bracing for the expected arrival of freezing rain and snow, as some other parts of the country that already received an arctic blast this week are prepari
The Associated Press on MSN11d
At least 5 dead as freezing rain, heavy snow and bitter temperatures take hold across the U.S.
Millions in the U.S. were hit by a major winter storm that created dangerous conditions from the Central Plains to the East Coast.
Polar vortex blasts North America and Europe with snow
Studies show a fast-warming Arctic is partly to blame for the increasing frequency of the polar vortex extending its icy grip.
WHIO11d
Polar vortex keeps much of the US in its icy grip
The polar vortex of ultra-cold air usually spins around ... Classes canceled School closings were widespread, with districts in Indiana, Virginia, Kentucky, Missouri and Kansas canceling or ...