The polar vortex has just been disrupted. What does this bode?

8:00am PST - January 7th, 2021    big sky - Mashable

The stratosphere is a powerful place. Perhaps the most influential guitar ever devised is even named after this lofty layer in the atmosphere, which exists between some 10 to 30 miles up in the sky.  And during each dark winter, the Arctic's polar vortex — st…