Tornadoes on May 21, 1957

 
 
 

Source Information

Data Source
 
http://www.spc.noaa.gov/wcm/#data
 
Corresponding Lines From SPC Historical Archive    How do I read this?
 
387,1957,05,21,1957-05-21,12:00:00,3,MN,27,2,1,0,0,4.0,0.0,46.35,-94.78,46.42,-94.77,3.8,300,1,1,1,153,21,0,0,0
388,1957,05,21,1957-05-21,13:00:00,3,MN,27,3,4,2,0,4.0,0.0,45.58,-92.87,45.72,-92.87,9.2,100,1,1,1,25,0,0,0,0
389,1957,05,21,1957-05-21,15:00:00,3,MO,29,14,3,2,0,4.0,0.0,37.55,-91.5,37.62,-91.33,10.2,440,1,1,1,65,0,0,0,0
390,1957,05,21,1957-05-21,15:15:00,3,MO,29,15,2,0,0,5.0,0.0,36.8,-92.8,36.87,-92.55,14.5,500,1,1,1,213,67,0,0,0
391,1957,05,21,1957-05-21,15:30:00,3,MO,29,16,1,0,0,3.0,0.0,37.07,-90.72,37.17,-90.52,13.0,33,1,1,1,223,0,0,0,0
392,1957,05,21,1957-05-21,15:45:00,3,MO,29,17,1,0,0,1.0,0.0,37.42,-90.97,0.0,0.0,0.2,17,1,1,1,179,0,0,0,0
393,1957,05,21,1957-05-21,15:45:00,3,MO,29,18,3,50,8,7.0,0.0,37.77,-90.92,37.88,-90.52,22.2,400,1,1,1,221,187,0,0,0
394,1957,05,21,1957-05-21,15:50:00,3,IL,17,12,2,0,0,5.0,0.0,38.42,-90.2,38.53,-89.87,19.7,150,1,1,1,133,163,0,0,0
395,1957,05,21,1957-05-21,15:53:00,3,MO,29,19,4,75,7,5.0,0.0,36.95,-91.17,37.0,-91.02,9.1,500,1,1,1,35,0,0,0,0
396,1957,05,21,1957-05-21,17:00:00,3,IA,19,4,2,0,0,5.0,0.0,41.55,-91.0,41.6,-90.83,8.9,100,1,1,1,31,139,163,0,0
397,1957,05,21,1957-05-21,17:00:00,3,IL,17,13,2,0,0,4.0,0.0,38.7,-87.98,38.72,-87.92,3.6,150,1,1,1,159,0,0,0,0
398,1957,05,21,1957-05-21,17:00:00,3,MO,29,20,2,0,0,4.0,0.0,37.38,-89.83,37.42,-89.75,5.1,500,1,1,1,31,0,0,0,0
399,1957,05,21,1957-05-21,17:30:00,3,MO,29,21,2,2,0,5.0,0.0,40.08,-91.78,40.15,-91.65,7.4,400,1,1,1,111,0,0,0,0
400,1957,05,21,1957-05-21,18:07:00,3,IL,17,14,3,0,0,5.0,0.0,37.57,-89.32,37.63,-89.18,8.5,200,1,1,1,181,77,0,0,0
401,1957,05,21,1957-05-21,19:40:00,3,IL,17,15,3,0,0,5.0,0.0,40.5,-90.8,40.62,-90.58,13.7,120,1,1,1,109,0,0,0,0
402,1957,05,21,1957-05-21,20:03:00,3,IN,18,18,2,2,0,4.0,0.0,37.97,-87.28,0.0,0.0,0.1,10,1,1,1,173,0,0,0,0
403,1957,05,21,1957-05-21,23:45:00,3,MO,29,22,1,0,0,4.0,0.0,36.05,-90.27,36.2,-89.88,23.7,33,1,1,1,69,155,0,0,0
404,1957,05,21,1957-05-21,23:45:00,3,MO,29,23,1,0,0,3.0,0.0,36.23,-90.07,0.0,0.0,0.1,10,1,1,1,69,0,0,0,0