Historical Tornado Cases for the Norman OK 

County Warning Area


Event Details SFC LI      
SBCAPE      		 850mb 700mb 500mb (400) jet level  Skew T  Affected States Pictures Surface obs
05-02-42 1830Z X X X X OK KS X
06-12-42 0Z 13 -13  to -16 X X X X OK X OKC
06-03-43 0030Z X X X X OK X SPS
01-26-44 0030Z X X X X OK X
04-09-44 2130Z X X X X OK KS X
04-12-45 2030Z X X X X OK MO IL X
06-05-45 2130Z OK
05-18-46 0030Z -14 X X 04Z 19 X X TX X
04-09-47 15Z     18Z  21Z     00Z   03Z -8 to 11 X X 03Z 10 X X OK TX\ KS X PAMPA
05-11-47 2130Z X X XX X OK TX X
05-31-47 0030Z X X XX X OK TX HIGGINS
03-18-48  0030Z -7
1100-1400		 X X 15Z    03Z X X OK X
03-20-48 2130Z -5 to 6
1400		 X X 15Z    03Z X X OK X
03-25-48 2230Z -7 to -8
2300		 X X 15Z    03Z X X OK X
05-03-48 1730Z -11 to -14
4300-5500		 X X 15Z X X TX OK X
06-21-48 2230Z ? X X 03Z    15Z   03Z 22 X X OK KS X
03-30-49 2330Z   0530Z -5 X X 15Z     03Z X X OK KS X
04-30-49 2030Z -8 X X 15Z    3Z 01 XX X OK TX X
05-20-49 1930Z   2130Z -10 to -13 X X 03Z    15Z   03Z X X CO OK KS NE TX X GAG DDC LAR
10-09-49 1930Z     00Z -8 X X 15      3Z  15Z X X OK KS NE X
04-28-50 1930Z -8 to -10 X X  15Z    
03Z		 X X TX OK X
05-04-50 23    4    9   13    19 -11 TX X X 03Z     15Z X X TX OK KS X
05-24-50
05-18-51 21Z 03Z    15Z   03Z TX
06-06-51 21Z X X 15Z       03Z X X TX OK KS X
06-08-51 2230Z X 15Z       03Z X X OK X
03-13-53 1830Z X X 15Z     03Z X X TX OK X
04-29-54
05-01-54 1930Z -8 to -9 X X 15Z 15Z X TX OK X
06-01-54 2330Z -10 X X 15Z     03Z
X TX OK X
05-25-55 2030Z    030Z -10 TX
-9 to -11 OK-KS		 X 21Z 21Z
03Z
 21Z 21Z Tinker OK KS X
06-17-55 1730Z -10 X 15Z 03Z     15Z   03Z 15Z X TX OK KS XX
04-02-56 22Z     00Z -8 to -10 X 03Z  15Z      03Z 03Z X OK KS X
04-08-56 21Z    02Z  4Z elevated X 3Z 3Z      15Z  3Z 3Z X OK X
01-22-57 1130Z -6 to -7 X 15Z 09Z     15Z 15Z 09Z DFW OK LA X
04-02-57 2130Z -10 to -11 X 21Z 15Z     21Z 21Z 21Z DFW OK TX X
05-20-57 1930Z -8 to -11 X 03Z 21 15Z 20     21Z 20
03Z 21		 15Z 20
03Z 21		 X NE KS MO X CNK
05-24-57 1230Z
1530Z   1730Z 2130Z		 -10 X 15Z 15Z     03Z 15Z X WY TX NM OK X
09-14-57 23Z -7 to -8 X 00Z 15 X OK X
04-02-58 23Z TX  OK
11-17-58 11Z -7 to -10 X 12Z 00Z    12Z
  00Z		 12Z sndgs KS OK MO TX X
03-31-59
05-09-59
04-28-60
05-04-60 20Z -7 to -8 X 00Z 12Z      00Z 00Z X OK TX X
05-05-60 20Z -7 to -9 X 00Z 12Z     00Z 00Z X OK AR X
02-17-61  22Z -6 to -8 X 00Z 12Z    00Z 00Z X OK X
04-30-61
05-04-61 20Z -10 to-11 X 00Z 12Z    00Z 00Z X OK TX X
05-21-61
05-25-62 21Z X 00Z 12Z    00Z 00Z X X
05-26-62 23Z X 00Z 12Z     00Z 00Z X OK TX X
05-26-63
04-03-64 20Z -11 to-13 X  00Z 4   12Z 3     00Z 4  00Z 4 X TX X
04-22-64
05-05-64 21Z -11 X 00Z 06 12Z 05
  00Z 06		 00Z 06 X MN  to OK X
11-14-64 22Z -6 to -7 X  00Z 15 12Z  
 00Z 15		  00Z 15 X KS OK X
03-16-65 21Z -5 to -7 X 00Z 17 00Z 17 00Z 17 X KS OK TX X
04-04-65
04-07-65
05-06-65 00Z X 00Z 7 00Z 7 00Z 7 X MN TX OK X
05-25-65 21Z -7 to -8 X 00Z 12Z     00Z 00Z X OK TX NE KS  PrattTOR DDC
04-27-66
01-25-67 00Z -4 to -6 X 0Z26 00Z   12Z   00Z26 0Z26 X OK X
04-16-67
06-10-67 21Z X 00Z 12Z     00Z 00Z X OK CO KS X
04-02-68 22Z -7 to -8 X  00Z 12Z     00Z  00Z X TX  OK X
05-13-68 19Z -10 X 00Z 12Z    00Z 00Z X KS OK NE Gov1    Gov2
06-23-69 21Z -11 to -13 X 00Z 12Z    00Z 00Z X OK KS X
GAG-ICT-IAB
10-05-70 20Z
06-11-70 19Z -6 to-8 X 00Z 12 X OK AR X
03-12-71 22Z 12Z 12
00Z 13		 TX  OK
04-19-72
04-30-72 21Z -10 to -12 X 00Z 01 12Z 30 
00Z 01		 00Z 01 X KS X
03-13-73 20Z -6 to-7
OK		 X 12Z     00Z X OK KS  X
06-18-73 21Z X 00Z 12Z      00Z 00Z X OK X
11-19-73 00Z 20 -9

 X 0Z 12Z      0Z  12Z 20 0Z X KS OK X
06-08-74 19Z -9 to-10OK
-8 KS		 X 0Z 0Z      12Z   0Z 0Z X OK KS
02-22-75 04Z elevated X 00Z  00Z    12Z 00Z  X OK
03-26-75 21Z    00Z  03Z
05Z		 -8 to -10 X 00Z 00Z    12Z 00Z X TX
06-13-75 23Z X  00Z 12Z     00Z  00Z X OK
04-17-76 00Z     07Z -6 to -7 X 00Z 12Z      00Z 12Z 00Z X KS OK TX
04-19-76 21Z X 00Z 12Z      00Z 00Z X TX OK
05-15-77    21Z   0Z -7 to -8 X 0Z16 00Z15   12Z
00Z16		 0Z16 X OK
05-16-77
04-30-78 21Z 00Z1 OK TX
04-10-79 16Z    19Z 21Z    23Z
23Zmax		 -8 to -9 X 00Z   12Z       00Z 00Z X OK TX
05-02-79 21Z
10-30-79 15Z
05-28-80
04-30-81
05-17-81   23Z -8 to -9 X 00Z 12Z    00Z 00Z X OK
05-22-81   22Z -11 X 00Z 00Z 00Z OKC OK OKC
03-15-82 18Z        21Z
05-11-82   22Z -8 to -10 X 00Z 00Z 00Z X TX OK
05-16-82 
05-27-82
04-20-84 21Z
04-26-84
04-26-84(2)		 23Z -7 to-10OK
-6 to -9MN		 X 0Z 12     0Z  12Z 0Z X MN IA OK KS
04-29-84 20Z -8 to -10 X 12  12      0Z 12  X OK KS MO
10-31-84 21Z
04-21-85 23Z -8 to -9 X 00Z 22 00Z 22 00Z 22 X TX MN
04-26-86 21Z -8 to -9 X 12Z    00Z X MN SD OK NE
05-08-86 20Z
05-14-86 21Z -10 to -11 X 00Z 12Z    00Z 00Z X TX OK
10-02-86
03-22-87 21Z X 00Z 12Z     00Z 00Z X TX OK
02-14-87 21Z
03-13-90 21Z X 00Z 14 00Z 14 00Z 14 X OK KS NE IA
04-24-90 23Z X 00Z 25 X OK TX
05-15-90 22Z X 00Z 16 X OK
05-26-90
03-21-91 21Z
03-26-91 22Z X 12Z     00Z X OK KS
04-12-91 21Z
04-26-91 23Z X X NE KS OK
05-15-91 00Z X 12Z      00Z X TX  OK KS
05-16-91 19Z XX 12Z    00Z X OK KS
05-26-91  22Z XX 12Z     00Z OK
06-13-98 22Z
05-03-99 21Z        21Z 00Z OK KS