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Three polar vortex systems are expected to bring frigid temperatures to several states in December.

The first wave of Arctic air is anticipated this week, with two more to follow in the coming weeks.

Wind chills in the Upper Midwest and Northern Plains could drop to between negative 10 and negative 25 degrees.

A polar vortex is a large area of cold air that normally sits over the North Pole but can drift south.

Frigid temperatures are expected to impact several states in the coming weeks , including Kentucky.

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather . The surges of Arctic air will generate rounds of flurries and squalls in some locations and may assist in creating storms with more

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