An early blast of cold air will leave more than half of the United States shivering into the weekend.
About 200 million people will be affected by the severe cold, CNN meteorologist Pedram Javaheri said.
The unseasonably cold temperatures associated with an arctic air mass will continue to surge southward through the central United States.
Temperatures are forecast to be 20 to 40 degrees below climate average for areas east of the Rockies into the Great Plains.
The cold air will move toward the South by Wednesday morning, bringing freezing temperatures as far south as Oklahoma and the Texas Panhandle.
It will reach the East Coast by Thursday, forecasters said.
"Early season cold outbreak will drift south and eastward acrossmuch of the eastern half of the country over the next several days," the National Weather Service said in a statement.
By the time the weekend hits, hardly anyone in the eastern two-thirds of the nation will be spared.
"The next 10 days over the entire eastern half of the country will be below normal," CNN meteorologist Chad Myers said Tuesday.
In Wyoming, the wind chill is expected to be between 25 to 35 below zero. Experts warned residents not to stay outside for prolonged periods, and urged farmers to move livestock into a barn.
"The cold spell is about zero degrees, and we will get subzero overnight," said Mayor Rick Kaysen of Cheyenne, Wyoming.
http://www.cnn.com/2014/11/12/us/cold-snap/index.html
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