Alert archive / Illinois / Tornado Warnings / 1999
Tornado Warnings in Illinois, April 1999
33 tornado warnings in April 1999. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in April 1999. Tap one for its archive.
- Tornado Warnings
- 33
- Busiest day
- April 9, 199922 tornado warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 6:26 PM CDT | Tornado Warning | LSX | Adams | 49 min |
| Apr 5, 6:31 PM CDT | Tornado Warning | PAH | Pope | 44 min |
| Apr 5, 7:00 PM CDT | Tornado Warning | PAH | Gallatin, Hardin, Saline | 45 min |
| Apr 8, 6:17 PM CDT | Tornado Warning | DVN | Hancock | 48 min |
| Apr 8, 6:58 PM CDT | Tornado Warning | DVN | Hancock | 47 min |
| Apr 8, 7:08 PM CDT | Tornado Warning | LSX | Adams | 47 min |
| Apr 8, 7:15 PM CDT | Tornado Warning | DVN | Henderson, McDonough, Warren | 45 min |
| Apr 8, 7:38 PM CDT | Tornado Warning | LSX | Pike | 47 min |
| Apr 8, 7:44 PM CDT | Tornado Warning | ILX | Knox | 46 min |
| Apr 8, 7:47 PM CDT | Tornado Warning | ILX | Scott | 28 min |
| Apr 8, 7:54 PM CDT | Tornado Warning | DVN | Warren | 46 min |
| Apr 8, 8:16 PM CDT | Tornado Warning | ILX | Morgan, Scott | 44 min |
| Apr 8, 8:20 PM CDT | Tornado Warning | DVN | Henry | 40 min |
| Apr 8, 8:27 PM CDT | Tornado Warning | LSX | Greene | 48 min |
| Apr 8, 8:32 PM CDT | Tornado Warning | ILX | Fulton, Knox | 28 min |
| Apr 8, 9:17 PM CDT | Tornado Warning | ILX | Menard | 28 min |
| Apr 8, 10:02 PM CDT | Tornado Warning | ILX | Christian | 28 min |
| Apr 8, 10:13 PM CDT | Tornado Warning | ILX | Macon | 32 min |
| Apr 8, 10:37 PM CDT | Tornado Warning | ILX | Piatt | 23 min |
| Apr 8, 10:47 PM CDT | Tornado Warning | ILX | Champaign | 28 min |
| Apr 8, 10:54 PM CDT | Tornado Warning | ILX | Effingham | 36 min |
| Apr 8, 11:13 PM CDT | Tornado Warning | ILX | Cumberland | 32 min |
| Apr 8, 11:15 PM CDT | Tornado Warning | ILX | Shelby | 15 min |
| Apr 8, 11:17 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 28 min |
| Apr 8, 11:30 PM CDT | Tornado Warning | ILX | Coles, Edgar | 30 min |
| Apr 8, 11:45 PM CDT | Tornado Warning | ILX | Clark, Cumberland | 30 min |
| Apr 8, 11:52 PM CDT | Tornado Warning | ILX | Edgar | 38 min |
| Apr 22, 8:59 PM CDT | Tornado Warning | DVN | Henderson | 31 min |
| Apr 22, 9:11 PM CDT | Tornado Warning | DVN | Warren | 34 min |
| Apr 22, 9:25 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 9:44 PM CDT | Tornado Warning | DVN | Warren | 16 min |
| Apr 22, 9:55 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 10:32 PM CDT | Tornado Warning | ILX | Knox | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Knox County5
- Warren County4
- Adams County2
- Hancock County2
- Henderson County2
- Scott County2
- Champaign County2
- Cumberland County2
- Edgar County2
- Pope County1
- Gallatin County1
- Hardin County1
- Saline County1
- McDonough County1
- Pike County1
- Morgan County1
- Henry County1
- Greene County1
- Fulton County1
- Menard County1
- Christian County1
- Macon County1
- Piatt County1
- Effingham County1
- Shelby County1
- Vermilion County1
- Coles County1
- Clark County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.