40th Anniversary of the April 3, 1974 Super Outbreak

April 3, 1974 40th anniversary commemoration banner

The Louisville National Weather Service office is observing the 40th anniversary of the April 3, 1974 Super Outbreak.   Southern Indiana and central Kentucky were at the epicenter of the massive outbreak of more than 148 tornadoes that tore across the eastern United States.  

Click on the maps below to learn more information about the memorial ceremonies and commemorative events that were held on April 3, 2014:



North Madison






Also, the Louisville Free Public Library hosted an event commemorating the F4 that ripped through the city, including first-hand accounts from survivors!


 Visit our web page devoted to the outbreak to learn all about it.  The page includes:

  • An opportunity to share your photos and memories
  • A slide show summary
  • A recording of the live WHAS broadcast as the storm erupted over Louisville
  • Personal experiences of local survivors
  • Map of the local outbreak
  • Map of the entire outbreak
  • Satellite pictures
  • Weather maps at the surface and aloft
  • Jet stream information
  • Maps of all the severe weather watches that were issued for this area
  • Track map of the Louisville F4
  • Photographs
  • Newspaper clippings
  • National Weather Service observers' forms
  • A copy of the poster NWS Louisville constructed to describe the outbreak
  • A description of how the NWS was organized administratively in 1974
  • ...and more!

Fujita tracks

Counties affected

Devastation April 3, 1974



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