Meteorologists said several states would experience the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air that usually stays near the North Pole into the U.S. and Europe.
In Kentucky, Gov. Andy Beshear said Sunday that the death toll rose to nine.
"I am sad to share some more tough news tonight, Kentucky. We just confirmed another weather-related death out of Pike County, bringing our total loss to 9 people."