Polar Vortex Brings Arctic Blast to Tennessee

A collapsing polar vortex unleashes an Arctic blast across Tennessee as stratospheric winds reverse in early March. Frigid air plunges south from a disrupted vortex core, hitting the eastern U.S. with biting cold and potential snow through mid-month. Models show high-pressure anomalies pushing downward, linking stratospheric chaos to surface chills in the Tennessee Valley. Read more about this...