BIRMINGHAM, Ala. — A Christmastime wave of severe weather continued Friday as a tornado touched down in Jefferson County, Alabama, including through the southwest portion of Birmingham, the state's largest city. Witnesses spotted the funnel outside the city about 5 p.m. An hour later, the National Weather Service confirmed that first responders were on the scene along Jefferson Avenue in a working class neighborhood of Birmingham. The storm was continuing to move eastward.