Historical Tornado Cases for North America
1936-1949

                                                                   
                               

                                                                    1950-1959
                                                                    1960-1969
                                                                    1970-1984
                                                                    1985-2004

New!   April 9  1947 Woodward tornado  revisited

*Recently added or recently modified cases
*Work in progress

Event Details SFC  LI 850mb 700mb 500mb 250mb Skew T  Affected States Pictures Surface Obs
04-05-36 00Z TN GA AL AR
03-15-38 21Z AR KY TN AL
MS MO IL
03-30-38 21Z MO IL AR OK KS
04-05-41 00Z 6 X NE
04-12-41 00Z 13 X KS
05-09-41 1830Z X TX CO
06-08-41 2130Z X KS CO 
06-09-41 0930Z X TX
03-16-42 1830Z X MIDWEST/SOUTH
04-27-42 2130Z X OK MN MO
04-30-42 0Z     3Z   6Z     9Z X CO KS SD NE
05-02-42 1830Z X OK KS
05-12-42 2130Z X NE SD
05-13-42 1830Z X MN WI
05-29-42 2130Z X TX
06-12-42 0Z 13 -13  to -16 X OK OKC
06-20-42 2130Z X KS IN
06-25-42 0030Z -10 X approx. WY
04-10-43 2130Z X CO
04-19-43 1830Z X NC
05-15-43 1830Z X KS MO OK IA
06-03-43 0030Z X OK SPS
06-09-43 2130Z X NE
01-26-44 0030Z X OK
04-09-44 2130Z X OK KS
04-29-44 0030Z X KS
05-18-44 2130Z X IA NE
06-16-44 2130Z X SD IA
06-17-44 2130Z X SD MN
06-22-44 2130Z X WI IL
06-23-44 2130Z X WV PA OH MD DE
04-12-45 2030Z X OK MO IL
05-18-46 0030Z -14 04Z 19 X TX
05-23-46 2130Z X NE KS MO
05-24-46 2130Z X TX OK
05-29-46 2130Z X KS
06-06-46 2130Z X MT MN
01-29-47  * 0030Z X AR MO IN IL
04-09-47 15Z     18Z  21Z     00Z   03Z -8 to 11 03Z 10 X OK TX\ KS PAMPA
05-11-47 2130Z X OK TX
05-31-47 0030Z X OK TX HIGGINS
06-06-47 1830Z X CO
06-08-47 12Z    18Z  21Z -11 03Z 9 X approx. CO LOGAN  F4
06-09-47 0030Z X MN IA NE SD
06-21-47 21Z     00Z -8 04Z 22 X NE KS
12-31-47 2030Z X LA AR TX
02-26-48 2330Z -7 03Z X TX
03-18-48  * 0030Z -7 15Z    03Z X OK
03-19-48 1130Z -7
1900
03Z    15Z X MO IL
03-20-48  * 2130Z -6 15Z    03Z X OK
03-25-48  * 2230Z -6 to -8 15Z    03Z X OK
04-07-48 2130Z -8 15Z X IL IN
05-01-48 2230Z -9 to -10 15Z    03Z X OK KS
05-03-48 1730Z -10 to -14 15Z X TX OK
06-13-48 2130Z -9 15Z X NE
06-16-48 2130Z -9 15Z X NE
06-21-48 2230Z ? 03Z    15Z   03Z 22 X OK KS
07-14-48 1830Z -7 15Z    3Z 15 X NE
01-03-49 1930Z -5KS     -9AR 15Z    
3Z 4
X KS AR
03-25-49  * 1730Z -7 to -8 15Z X TX
03-30-49  * 2330Z   0530Z -5 15Z     03Z X OK KS
04-30-49 2030Z -8 15Z    3Z 01 X OK TX
05-06-49 21Z -10 03Z 7 X TX NM
05-13-49 21Z -7 15Z    03Z X TX
05-15-49 2130Z -9 03Z    15Z   03Z X TX
05-17-49 2130Z 15Z      15Z
03Z
X TX
05-20-49 1930Z   2130Z -10 to -13   03Z    15Z   03Z X CO OK KS NE TX GAG DDC LAR
05-21-49 2130Z -7.5 STL  to -10 CGI
3100 STL
15Z    03Z X IN IL MO
06-17-49 2130Z -10 15Z    03Z X CO AKO
10-09-49 1930Z     00Z -8 15      3Z  15Z X OK KS NE
12-11-49 1830Z -5 to -6
1200-1600
15Z      03Z MO IL AR