Tornado Index # 19770520.40.41

 
 
 

Source Information

Data Source
 
http://www.spc.noaa.gov/wcm/#data
 
Corresponding Lines From SPC Historical Archive    How do I read this?
 
343,1977,05,20,1977-05-20,19:20:00,3,OK,40,41,2,0,0,5.0,0.0,36.15,-97.63,36.17,-97.6,1.9,100,1,1,1,83,0,0,0,0