This blast of cold weather is due to activity of the polar vortex.
But the latest polar vortex is forecasted to affect large parts of the United States, here is what you need to know. Here's a look at weather forecasts for parts of the U.S. that may be hit ...
More than 120 million people live in a zone that will experience subzero temperatures — affecting more than ... that will rival the notorious polar vortex episode of winter 2014.
With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...
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