It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polarvortex' has become popularized in the weather world. In fact, you may have heard it getting ...
Most of the U.s. enjoyed warmer air to end the workweek, but the warmup will be brief as a polarvortex will send temperatures tumbling below freezing for most of the nation starting this weekend.
But during the winter, it is joined by a second atmospheric phenomenon dubbed the polarvortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...
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