Historical Tornado Cases for North America
1950-1959


                                                                       1936-1949
                                                                       1960-1969
                                                                       1970-1984
                                                                       1985-2004

*Recently added cases
 
Event Details  SFC   LI   850mb 700mb 500mb(400) 250mb Skew T  Affected States Surface Obs Pictures
01-03-50 1630Z -3 to 4
800-900		 15Z X MO IL BLV
04-28-50 1930Z -8 to -10 15Z X TX OK
05-04-50 23    4    9   13    19 -11 TX 03Z     15Z X TX OK KS
05-08-50 2230Z -9 15Z     03Z X KS
06-16-50 21Z ? 15Z     03Z X CO
06-25-50 0Z 25 -9 to -10 03Z 26 X WI
08-05-50 2130Z -11 15Z     03Z X CO
12-02-50 2230Z -4
1150		 15Z     03Z X IL BLV
05-14-51 2130Z -7 15Z     03Z X KS
05-18-51    * 2030Z 03Z    15Z    03Z X TX
05-30-51 2030Z -10 15Z     03Z X NE
06-06-51 21Z 15Z       03Z X TX OK KS
06-08-51   * 2230Z 15Z       03Z X OK
06-27-51 2330Z -9 03Z     15Z X KS
09-26-51 2030Z -7 to -10 15Z     03Z X WI MI
03-21-52 2230Z -8 15Z     03Z X AR TN MS MO
07-19-52 2230Z -8 15Z     03Z X MT ND
03-13-53 1830Z 15Z     03Z X TX OK
04-28-53 00Z -11 to -12 03Z X TX
04-30-53 2030Z -7 to -8 21Z X GA WRB
05-01-53 2130Z -8 to -10 15Z X AL MS
05-09-53 2130Z -8 15Z     03Z X NE KS
05-10-53 2230Z -7 15Z     03Z X IA MN WI
05-11-53 22Z -8 21Z X TX
05-28-53 3Z 29 -7 to -8 03Z X WY
05-29-53 2130Z -8 to -11 15Z     03Z X ND
06-07-53 2030Z -10 21Z     03Z X CO NE KS IA MN
06-08-53 2330Z -9 03Z X MI OH
06-09-53 19Z -7 15Z 15Z 15Z     03Z X MA NH
06-27-53 2030Z -11 to-13 03Z 28 X IA
12-05-53 2230Z -5 15Z     03Z X  MS LA AR
03-25-54 0530Z -4 to -5.5
1000-1600		 03Z      09Z     15Z X MO OK KS AR
05-01-54 1930Z -8 to -9 15Z 15Z TX OK
06-01-54 2330Z -10 15Z     03Z TX OK
06-06-54 2130Z -6 to -7 15Z     03Z NE
02-01-55 1930Z -5 15Z 15Z AL MS TN
05-25-55 2030Z    030Z -10 TX
-9 to -11 OK-KS		 21Z
03Z		 21Z 21Z Tinker OK KS
06-04-55 2130Z -10 to-11 15Z     03Z X KS NE
06-17-55 1730Z -10 03Z     15Z   03Z X TX OK KS
06-26-55 2230Z -9 to -11 15Z 15Z    (15Z) 15Z WY NE
06-27-55 1830Z -9 to- 11 15Z 15      3Z  (15Z) 15Z WY NE BFF
02-25-56 22Z   630Z -5 to -7
1300-1600		 03Z 03Z     15Z 03Z COU03Zmod. MO OK IN OH BLV
04-02-56 22Z     00Z -8 to -10 15Z        03Z 03Z OK KS
04-03-56 1930Z -7WI
-7 TN		 15Z     03Z MIDWEST
04-08-56 21Z    02Z  4Z elevated 3Z      15Z  3Z OK
04-15-56 22Z -6 15Z 15Z 15Z AL GA BHM
10-29-56 22Z -7 to -8 15Z      03Z  15Z approx. NE KS LBF
01-22-57 1130Z -6 to -7 09Z     15Z 15Z 09Z DFW OK LA
04-02-57 2130Z -10 to -11 15Z     21Z 21Z 21Z DFW OK TX
04-08-57 2330Z -3 to -4 03Z 9 03Z 9 NC SC AL GA TN
04-18-57 21Z -8 to-10NE
-9 to -10TX		 15Z    03Z TX OK KS NE SD
04-21-57 21Znew

21Z(coop)

 -10 15Z20 03Z21   15Z21
03Z		 03Z 22 TX NM LBB  tx2 credit

tx1
04-25-57    * 21Z NE
05-15-57 22Z -7 to -10 03Z 16 TX
05-20-57  1930Z -8 to -11 15Z 20     21Z 20
03Z 21		 NE KS MO CNK
05-21-57 1830Z -9 
4000		 15       21Z  03Z MO IL MN IA
05-24-57 1230Z
1530Z   1730Z 2130Z		 -10 15Z     03Z WY TX NM OK
06-15-57 23Z -8 to -9 00Z KS
07-02-57 23Z -11 to -13 00Z 3 00Z LBF NE
09-14-57 23Z -7 to -8 00Z 15 OK
12-18-57 21Z -5 to -6
1300-1500		 00Z 19 MO IL MDHFAMCGI
02-26-58 23Z -3 to -5 00Z 27 MS
04-05-58 -5 to -6
1500		 12Z     00Z FAM&BLV
06-04-58 22Z -10 to -13 00Z 5 WI
06-10-58 21Z -13 00Z 11 KS
11-17-58 11Z -7 to -10 00Z     12Z      00Z KS OK MO TX
02-10-59 07Z -4
800		 00Z      12Z  MO IL IN OH KY FAM&BLV
03-14-59 21Z -6 to -7 0Z 15 AR MO
03-31-59    * 00Z 12Z       00Z  OK TX