Historical Tornado Cases for Saint Louis County Warning Area
of Eastern Missouri and SW Illinois
Map of the NWS Saint Louis forecast and warning area.
A brief discussion of each event below is provided here.
A brief discussion is presented here concerning instability, frontal boundaries...etc associated with the tornadoes.
| Event Details | SFC | LI CAPE |
850mb | 700mb | 500mb | 250mb | Skew T | Affected States | Surface Obs | Pictures |
| 03-15-38 | 21Z | X | X | X | X | X | AR KY TN AL MS MO IL |
|||
| 03-30-38 | 21Z | X | X | X | X | X | MO IL AR OK KS | |||
| 05-13-42 | 1830Z | X | X | X | X | X | MO MN WI | |||
| 04-12-45 | 2030Z | X | OK MO IL | |||||||
| 03-19-48 | 1130Z | -7 1900 |
03Z 15Z | X | MO IL | BLV | ||||
| 05-21-49 | 2130Z | -7.5 STL to -10 CGI 3100 STL |
15Z 03Z | X | IN IL MO | STL | ||||
| 12-11-49 | 1830Z | -5 to -6 1200-1600 |
15Z 03Z | X | MO IL AR | |||||
| 01-03-50 | 1630Z | -3 to 4 800-900 |
15Z | X | MO IL | BLV | ||||
| 12-02-50 | 2030Z | -4 1150 |
15Z 03Z | X | IL | BLV | ||||
| 03-25-54 | 0530Z | -4 to -5.5 1000-1600 |
03Z 09Z 15Z | X | MO OK KS AR | |||||
| 02-25-56 | 22Z 630Z | -5 to -7 1300-1600 |
03Z | 03Z 15Z | 03Z | COU03Zmod. | MO OK IN OH | BLV | ||
| 05-21-57 | 1830Z | -9 4000 |
15 21Z 03Z | MO IL MN IA | FAM | |||||
| 12-18-57 | 21Z | -5 to -6 1300-1500 |
12Z 00Z 19 |
MO IL | MDHFAMCGI | |||||
| 04-05-58 | -5 to -6 1500 |
12Z 00Z | FAM&BLV | |||||||
| 02-10-59 | 07Z | -4 800 |
00Z 12Z | MO IL IN OH KY | FAM&BLV | |||||
| 02-09-60 | 22Z | -6 1500 |
00Z 10 | MO IL AR | Farmington | |||||
| 10-14-66 | 20Z | -4 1100 |
12Z 00Z | MN IA IL MO | STL | |||||
| 12-08-66 | -6 to -7 1400 |
12Z 00Z | MO IL AR | STL | ||||||
| 01-24-67 | 20Z | -5 1400 |
12Z 00Z | IA MO WI IL | STL | |||||
| 12-21-67 | 06Z | -3.5 to -5 800-1100 |
00Z 12Z | IL MO AR | STL | |||||
| 05-15-68 | 20Z |
-8 to -9 3100-3400 at 3z |
12Z 00Z | MO AR IL IA | MDH&VLA | |||||
| 06-22-69 | 22Z | -9 to -10.5 4000 |
12Z 00Z | MO | ||||||
| 06-12-70 | 21Z | -9 3000 |
12Z 00Z | MO | ||||||
| 04-27-71 | 20Z | -8.5 to -10 3700-4500 |
12Z 00Z | IL KY IN | ||||||
| 03-20-76 | 18Z |
-6 to -7.5 1600-2200 |
12Z 00Z | IN IL MI MS AL LA | ||||||
| 04-07-80 | 00Z | -5 to -7 1000-1300 MO 1500-2000 AR |
00Z 12Z | OK MO MS IL AR TX |
||||||
| 04-03-81 | 00Z | -6 1500 |
00Z 12Z | IL WI | STL | |||||
| 04-22-81 | -7 to -8 2400 |
12Z 00Z | MO | |||||||
| 12-02-82 | 21Z | -5 2200 |
12Z 00Z | AR MO IL | CGI&STL | |||||
| 05-01-83 | 20Z | -5 to -6 1800-2200 |
12Z 00Z | MO IL MI | ||||||
| 04-29-84 | 15Z 23Z | -8 2100 |
12 0Z | OK KS MO | ||||||
| 11-09-84 | 22Z | -8 1600-2000 |
0Z | MO IL AR | ||||||
| 11-15-88 | 19Z 00Z | -4 800 |
12 0Z 12 |
MO IL KS AR | ||||||
| 11-27-90 | 17Z | -3 to -4 1050-1250 |
12 0Z | IL MO | ||||||
| 02-11-99 | 19Z | -4 900-1100 |
0Z | MO IL | ||||||
