Alert archive / Illinois / Severe Thunderstorm Warnings / 2004
Severe Thunderstorm Warnings in Illinois, April 2004
17 severe thunderstorm warnings in April 2004. 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 2004. Tap one for its archive.
- Severe Thunderstorm Warnings
- 17
- Busiest day
- April 30, 20047 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 17, 1:14 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 46 min |
| Apr 17, 3:13 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 32 min |
| Apr 17, 3:25 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 20 min |
| Apr 17, 4:00 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 45 min |
| Apr 20, 4:42 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 63 min |
| Apr 20, 5:14 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 61 min |
| Apr 20, 5:55 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 35 min |
| Apr 20, 6:04 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 56 min |
| Apr 20, 9:11 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 49 min |
| Apr 24, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 51 min |
| Apr 30, 4:41 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 49 min |
| Apr 30, 4:52 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 53 min |
| Apr 30, 4:57 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hamilton, Hardin, Saline, White | 63 min |
| Apr 30, 5:08 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash, Wayne | 67 min |
| Apr 30, 5:10 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 65 min |
| Apr 30, 5:47 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 58 min |
| Apr 30, 5:55 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper, Lawrence | 65 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County3
- Tazewell County2
- Wabash County2
- Jo Daviess County1
- Stephenson County1
- Lake County1
- Will County1
- Mason County1
- McLean County1
- Ford County1
- Iroquois County1
- Livingston County1
- Massac County1
- Pope County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Saline County1
- White County1
- Edwards County1
- Wayne County1
- Clay County1
- Richland County1
- Crawford County1
- Jasper County1
- Lawrence County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.