But what exactly is the polar vortex? And what causes it? The polar vortex is an area of low pressure—a wide expanse of swirling cold air—that is parked in polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward. How are polar vortexes formed?Read More →

U.S. Optics TS-6X – Short Range. Are any Vortex scopes made in USA? Unfortunately, the only current Vortex scope model that is made in America is their top of the line Razer HD AMG scope, which runs around $2000. Are all Leupold scopes made in the USA? In most cases,Read More →

A polar vortex strengthens in the winter and weakens in the summer because of its dependence on the temperature difference between the equator and the poles. … Since polar vortices exist from the stratosphere downward into the mid-troposphere, a variety of heights/pressure levels are used to mark its position. What’sRead More →