The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to ...

When flow around the wingtips streams out behind the airplane, a vortex is formed. These twisters represent an energy loss and are strong enough to flip airplanes that blunder into them.

changes in the weather can cause the vortex to wobble and even separate into pieces, which results in waves of frigid Arctic air being ushered southward across North America, Europe, and Asia ...

While many are surely glad to bid farewell to Old Man Winter, a string of disruptions to the polar vortex means that the Northeast may see some shots of cold air in the weeks ahead.