With wind chills dropping into -60 territory in some parts of the country, you’ve probably heard that the polar vortex is to blame.
But what is it? And when is it going away? TIME explains what you need to know about this weather phenomenon.
What is it? And when is it going away?
With wind chills dropping into -60 territory in some parts of the country, you’ve probably heard that the polar vortex is to blame.
But what is it? And when is it going away? TIME explains what you need to know about this weather phenomenon.