Meteorologist Erik Johnson explains what the term "polar vortex" means.
![](https://x-default-stgec.uplynk.com/ausw/slices/a45/08eb16cf8af2400d815b1b31a3092ff6/a45567e1c48e48ffb24a3e3c68d4e6d7/poster_174e9655238e41588a49902af77b791e.jpg)
Weather Wise: What is a "polar vortex?"
![](https://x-default-stgec.uplynk.com/ausw/slices/a45/08eb16cf8af2400d815b1b31a3092ff6/a45567e1c48e48ffb24a3e3c68d4e6d7/poster_174e9655238e41588a49902af77b791e.jpg)
![Weather Wise: explaining 'polar vortex'](https://ewscripps.brightspotcdn.com/dims4/default/b97e35a/2147483647/strip/true/crop/1280x720+0+0/resize/1280x720!/quality/90/?url=http%3A%2F%2Fewscripps-brightspot.s3.amazonaws.com%2F8d%2F2a%2Fa4c4c2ea47d687cb31b7577656c9%2Fposter-image-1.jpg)
Posted at
and last updated
Copyright 2021 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.