Shortly afterwards , the worst tornado of the outbreak touched down from the same supercell in northern D.C. , near Children 's Hospital .
Another tornado passed through densely populated areas in Fairfax and Arlington Counties into Washington D.C. , causing F1 damage .
Shortly afterwards , the worst tornado of the outbreak touched down from the same supercell in northern Washington D.C. , near Children 's Hospital .
Another tornado passed through densely populated areas in Fairfax and Arlington Counties into Washington D.C. , causing F1 damage .