Tornado Index # 20040420.17.13

 
 
 

Source Information

Data Source
 
http://www.spc.noaa.gov/wcm/#data
 
Corresponding Lines From SPC Historical Archive    How do I read this?
 
813,2004,04,20,2004-04-20,18:35:00,3,IL,17,13,1,0,0,0.0,0.0,41.05,-87.95,41.1,-87.85,6.0,75,1,1,1,91,0,0,0,0