A potential wobble in the polar vortex could bring Arctic air to Michigan and the northern U.S. around Thanksgiving. A weakened polar vortex, combined with other atmospheric patterns, increases the ...

A potential wobble in the polar vortex could bring a return of arctic air to Ohio and the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A polar vortex could bring cold winds to much of the U.S. as the new ...

Lines of momentarily flat water extend outward and rotate, in the opposite direction to the flow of the vortex. The left video shows the pattern from the experiment, while the right video shows the ...