23-01-2021 12:02 via pittsburgh.cbslocal.com

Hey Ray! Understanding The Polar Vortex

PITTSBURGH (KDKA) — The term “polar vortex” may sound like a cold version of a “sharknado”, but unlike a sharknado, the polar vortex is a real, meteorological thing.
The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles.
It always there, too. It weakens in summer and strengthens in winter.
(Photo Credit: KDKA Weather Center)
While the term “vortex” may sound scary to some people, it is a scientific term
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