https://en.wikipedia.org/wiki/Polar_vortex - 11 hours ago
A polar vortex is an upper level low-pressure area, that lies near the Earth's pole.
There are two polar vortices in the Earth's atmosphere, which overlie the North, ...
Feb 12, 2016 ... As each hour passes, more and more television and radio reporters are
attributing the insane cold to a “polar vortex” up in northern Canada.
Apr 7, 2016 ... You're hearing the term 'Polar Vortex' again -- and it's spring. We examine its role
in chilly April in the East.
Nov 12, 2014 ... "The polar vortex is not a recently discovered phenomenon; in fact, it has been
talked about in the meteorological world for decades," ...
When temperatures plunged into the sub-zero range for much of the country in
early 2014, the term "polar vortex" became a household expression. Sure ...
The polar vortex is a large area of low pressure and cold air surrounding both of
the Earth's poles. It ALWAYS exists near the poles, but weakens in summer and ...
Dec 22, 2015 ... The infamous polar vortex is actually linked to the unusual warm winter weather
in the eastern U.S., though that pattern could soon flip.
Feb 12, 2016 ... The Northeast is being warned to brace for what could be the coldest
temperatures in over a decade this Valentine's Day weekend.
Jan 6, 2014 ... You may have heard us at weather.com and The Weather Channel mention the "
polar vortex" during this outbreak. Let's delve into the ...
Feb 11, 2016 ... The polar vortex will send Michigan's temperatures below zero this Valentine's