The solution is Kelvin waves. For the formation of Kelvin waves, the researchers start with a vortex line, a thin line around ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over the next two weeks may bring cold temperatures and even snow to Columbus. Here is what ...