Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.

A lobe of the polar vortex, a ring of freezing air typically ... minus-20 are forecast to reach as far south as Oklahoma and Arkansas — frostbite is possible in less than 30 minutes under ...

The polar vortex has taken on an unexpected pattern ... Kentucky, Tennessee, Arkansas, Mississippi, Alabama, Georgia, Pennsylvania, Maryland, Virginia as well as Washington D.C. While hats ...

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Ushering in the vortex is a winter storm, the third one of the week, which will track from the Intermountain West on Friday ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the ... Flood warnings extended throughout Tennessee and Arkansas. The mother and child were swept away Saturday night ...

Flood warnings remain in effect across Kentucky, Arkansas, Tennessee, Mississippi, Alabama, West Virginia, Virginia, and Ohio. Frigid cold temperatures expected as polar vortex sweeps across U.S ...

BISMARCK, N.D. (AP) — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies ... most of Kentucky and portions of Arkansas, Tennessee, Mississippi ...