One of several semi-permanent weather systems over the Earth, the polar vortex is an area of low pressure in the upper atmosphere, primarily in the stratosphere, the layer of the atmosphere above which most of our sensible weather occurs (known as the
The polar vortex is on its way out. In addition to generating frigid air, it has been a weather content generating machine. Here's some material that's circulated around the the polar vortex you may have missed… No, Rush Limbaugh, the polar vortex is
Record-setting cold stunned the Southeast on Tuesday as the chilly “polar vortex” parked over the northern Midwest extended eastward, prompting officials to cancel school and open emergency warming and homeless shelters in areas unaccustomed to
Temperatures plunged below zero on Monday as arctic air swept into the country's midsection, forcing Minnesota to shut its schools and airlines to cancel thousands of flights.
If you live in the north and eastern part of the US, you're probably experiencing some frigid weather. You're probably also hearing people talk about something called a “polar vortex.” Just what is a polar vortex and why is it.