CNN CNN Special February 23, 2014 19:24:00
Days a year. when it weakens, it causes very cold air to plunge to the south, so its actually the effects of the polar vortex youre feeling, not the polar vortex itself. in fact, the arctic blast this week that some are referring to as the polar vortex isnt going to be as cold as the last. you have to keep in mind that as we approach spring, temps will gradually increase. in atlanta, for example, our high should be around 60 degrees this time of year, so even with temps expected to get 20 degree...
Source: archive.org