Conceptual diagram of the influence of horizontal vortex tubes on tornado genesis and development during the intensification stage: (a) the effect of horizontal vortex tubes on tornado rotation; (b) ...

What Is The Polar Vortex? Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists. The polar vortex may weaken in January, and that could ...

The polar vortex is a large region of low pressure and cold air that has always existed around Earth's poles. While the polar vortex is weakening for the season, it does not directly cause winter ...