Cold and snowy weather could be coming for many, thanks to the polar vortex
John Normile/Getty Images(NEW YORK) -- A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across portions of the United States.It's all thanks to a disruption in the polar vortex. Here's what you need to know.Why is this happening?Our atmosphere consists of many layers of moving air; the troposphere is where our weather happens and above it is the stratosphere. Over both poles, a ring of strong mid-level winds called the polar […]
