mikegeukes
EF5
NWS Chicago County Warning Area Strong-Violent Tornadoes: 1880-2010
http://www.crh.noaa.gov/lot/?n=cwa_tornadoes
http://www.crh.noaa.gov/images/lot/severe/Chicago_Area_Tornadoes.pdf
Mike
http://www.crh.noaa.gov/lot/?n=cwa_tornadoes
http://www.crh.noaa.gov/images/lot/severe/Chicago_Area_Tornadoes.pdf
Mike