Next week's pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns will converge to bring early bone-chilling cold and potentially more snowstorms to the region.

FIRST TASTE OF LA NIÑA WINTER AHEAD WITH BIG FREEZE AND SNOW ON THE WAY FOR MILLIONS OF AMERICANS

According to the FOX Forecast Center, two weather patterns, La Niña and an easterly Quasi-Biennial Oscillation, will allow more rounds of arctic air that is typically trapped high above the North Pole to spill into the lower levels of the atmosphere and south into the Eastern U.S.

WHAT ARE EL NINO AND LA NINA CLIMATE PATTERNS?

This frigid air is known as the " Polar Vortex. " Air in the polar vortex sits in the stratosphere, some 10 to 30 miles above the Earth's poles and i

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