Tornado Index # 19670421.17.9999

 
 
 

Source Information

Data Source
 
http://www.spc.noaa.gov/wcm/#data
 
Corresponding Lines From SPC Historical Archive    How do I read this?
 
9999,1967,04,21,1967-04-21,17:00:00,3,IL,17,0,2,5,0,6.0,0.0,41.8715,-88.3194,41.8913,-88.2752,2.68,115,1,1,1,89,0,0,0,0