Wednesday, November 13, 2019
Not 2 Green | is nothing new
The Polar Vortex is nothing new - in fact, it's thought that the term first appeared in an 1853 issue of E. Littell's Living Age . NOAA
Rather, cold-air outbreaks are most directly related to transient, localized displacements of the edge of the tropospheric polar vortex that may, in some circumstances, be related to the stratospheric polar vortex, but there is no known one-to-one connection between these phenomena.
NASA Graphic example