United States January 24, 2019 6:25 pm What Is the Polar Vortex? We hear the term polar vortex a lot, but what does it actually mean? Storm Team4’s Amelia Draper demystifies the scientific term. Local 1:39 Army holds outreach event on National Mall 2:16 Man ‘finally free' from non-violent crime conviction 2:18 Doug's Holiday Lights: Young Alexandria family sets display to music 1:13 Prince George's County police works with Toys for Tots to brighten kids' holiday 3:04 Why DC's mayor says Maryland is holding up an RFK stadium deal
