Polar Vortex 2021/2022 season severe-weather.eu 3 points by dstola 4 years ago · 2 comments Reader PiP Save Snoddas 4 years ago Can someone please do a summary? I tried to read it but found it was too technical for me. LargoLasskhyfv 4 years ago https://www.weather.gov/safety/cold-polar-vortex ?https://en.wikipedia.org/wiki/Polar_vortex ?