Polar vortex expert Amy Butler and Arctic expert James Overland offer perspectives on the February cold snap in the southern U.S., the polar vortex, and how the Arctic might influence mid-latitude weather.
January 2021 is favored to be wetter and warmer than average for much of the country.
How is the polar vortex related to the Arctic Oscillation?
January 20, 2014
Polar vortex brings cold here and there, but not everywhere
January 10, 2014
Wobbly polar vortex triggers extreme cold air outbreak
January 8, 2014
After a brief respite, the stratospheric polar vortex is expected to weaken again, and another major sudden stratospheric warming could be on the way.
Recent atmospheric patterns don't match those that typically precede a sudden stratospheric warming event. But forecasts do suggest the polar vortex might get stretched out of shape in coming weeks.
A rapidly warming stratosphere and swirling polar vortexes, oh my! What is going on so far this winter? Three stratosphere experts help us sort it out.
How did the 2019-20 Winter Outlook do? Pretty darn good if you ask us! Learn just how good in our yearly verification post.
Kidding. Here's why the polar vortex may also cause you to take off your sweater sometimes.