Alert archive / Illinois / Severe Thunderstorm Warnings / 1999
Severe Thunderstorm Warnings in Illinois, April 1999
64 severe thunderstorm 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in April 1999. Tap one for its archive.
- Severe Thunderstorm Warnings
- 64
- Busiest day
- April 9, 199917 severe thunderstorm 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 3, 6:55 AM CST | Severe Thunderstorm Warning | ILX | Macon | 35 min |
| Apr 3, 1:37 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 38 min |
| Apr 3, 2:13 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pulaski | 47 min |
| Apr 3, 2:57 PM CST | Severe Thunderstorm Warning | PAH | Pope | 33 min |
| Apr 5, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| Apr 5, 5:18 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 27 min |
| Apr 5, 5:26 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 34 min |
| Apr 5, 6:15 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 45 min |
| Apr 5, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 47 min |
| Apr 5, 6:45 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 45 min |
| Apr 5, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 37 min |
| Apr 5, 7:27 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie | 33 min |
| Apr 5, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Apr 8, 8:42 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 48 min |
| Apr 8, 8:56 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 64 min |
| Apr 8, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 58 min |
| Apr 8, 9:29 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 31 min |
| Apr 8, 9:38 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 37 min |
| Apr 8, 9:41 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 34 min |
| Apr 8, 9:47 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 58 min |
| Apr 8, 10:17 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 43 min |
| Apr 8, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| Apr 8, 10:28 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 47 min |
| Apr 8, 10:32 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 28 min |
| Apr 8, 10:56 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 34 min |
| Apr 8, 11:20 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 25 min |
| Apr 8, 11:33 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 42 min |
| Apr 8, 11:48 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 27 min |
| Apr 9, 12:00 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 30 min |
| Apr 9, 12:26 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 19 min |
| Apr 10, 2:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 32 min |
| Apr 10, 3:09 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 31 min |
| Apr 10, 3:35 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 30 min |
| Apr 10, 4:30 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 30 min |
| Apr 10, 4:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 38 min |
| Apr 10, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Apr 10, 7:54 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 46 min |
| Apr 10, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 49 min |
| Apr 10, 8:48 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 42 min |
| Apr 10, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 43 min |
| Apr 10, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 29 min |
| Apr 10, 9:37 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 38 min |
| Apr 10, 9:51 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Moultrie | 39 min |
| Apr 10, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 44 min |
| Apr 10, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 33 min |
| Apr 10, 10:57 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 48 min |
| Apr 20, 11:56 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 49 min |
| Apr 21, 12:40 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 35 min |
| Apr 21, 1:18 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 42 min |
| Apr 21, 1:30 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 45 min |
| Apr 21, 1:38 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 37 min |
| Apr 21, 5:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle | 31 min |
| Apr 21, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 26 min |
| Apr 21, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 36 min |
| Apr 21, 9:24 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 36 min |
| Apr 21, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Ogle | 47 min |
| Apr 22, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 50 min |
| Apr 22, 4:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 47 min |
| Apr 22, 6:42 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 33 min |
| Apr 22, 6:50 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 40 min |
| Apr 22, 7:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 33 min |
| Apr 22, 7:45 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 30 min |
| Apr 27, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 17 min |
| Apr 27, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Edwards | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Macon County4
- LaSalle County4
- Moultrie County3
- Piatt County3
- Douglas County3
- Vermilion County3
- Bureau County3
- Kendall County3
- Cook County3
- Champaign County3
- DeKalb County3
- Alexander County2
- Pope County2
- Hardin County2
- Coles County2
- Peoria County2
- Sangamon County2
- Montgomery County2
- Crawford County2
- Grundy County2
- Will County2
- McLean County2
- Johnson County1
- Pulaski County1
- Randolph County1
- Jackson County1
- Union County1
- Massac County1
- Schuyler County1
- Stark County1
- Marshall County1
- Woodford County1
- Tazewell County1
- Logan County1
- Christian County1
- Bond County1
- Fayette County1
- Shelby County1
- Clay County1
- Effingham County1
20 more counties
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. Warning verification from the Mesonet's Cow. Rebuilt daily.