Alert archive / Illinois / Flash Flood Warnings
Flash Flood Warnings in Illinois, 1999
53 flash flood warnings in 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Flash Flood Warnings
- 53
- Busiest month
- June18 flash flood warnings
- Busiest day
- January 22, 19997 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 21, 8:25 PM CST | Flash Flood Warning | PAH | Franklin, Jackson, Union, Williamson | 9 hr |
| Jan 21, 9:30 PM CST | Flash Flood Warning | PAH | Alexander | 8 hr |
| Jan 21, 9:30 PM CST | Flash Flood Warning | PAH | Perry | 8 hr |
| Jan 21, 10:40 PM CST | Flash Flood Warning | ILX | Clay | 5 hr |
| Jan 21, 11:14 PM CST | Flash Flood Warning | PAH | Hamilton, Jefferson, Wayne | 6 hr |
| Jan 22, 5:25 AM CST | Flash Flood Warning | PAH | Alexander, Union | 6 hr |
| Jan 22, 5:25 AM CST | Flash Flood Warning | PAH | Jackson, Williamson | 6 hr |
| Jan 31, 7:34 AM CST | Flash Flood Warning | PAH | Hamilton, Wayne, White | 3 hr |
| Jan 31, 7:34 AM CST | Flash Flood Warning | PAH | Jefferson | 3 hr |
| Feb 1, 1:05 PM CST | Flash Flood Warning | DVN | Whiteside | 10 hr |
| Apr 3, 4:36 AM CST | Flash Flood Warning | PAH | Massac, Pope | 3 hr |
| Apr 22, 1:18 PM CDT | Flash Flood Warning | LOT | Iroquois, Kankakee | 6 hr |
| Apr 22, 1:18 PM CDT | Flash Flood Warning | LOT | Ford, Livingston | 6 hr |
| Apr 22, 9:34 PM CDT | Flash Flood Warning | LOT | DeKalb, Kane | 3 hr |
| Apr 22, 9:34 PM CDT | Flash Flood Warning | LOT | LaSalle | 3 hr |
| May 12, 5:48 PM CDT | Flash Flood Warning | LOT | Ogle | 3 hr |
| May 12, 8:06 PM CDT | Flash Flood Warning | LOT | Ogle | 4 hr |
| May 16, 11:36 PM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| May 17, 2:28 AM CDT | Flash Flood Warning | ILX | Tazewell | 3 hr |
| Jun 1, 11:39 PM CDT | Flash Flood Warning | ILX | Coles | 4 hr |
| Jun 2, 12:02 AM CDT | Flash Flood Warning | ILX | Cumberland | 4 hr |
| Jun 2, 1:38 AM CDT | Flash Flood Warning | ILX | Crawford, Lawrence, Richland | 3 hr |
| Jun 6, 4:49 PM CDT | Flash Flood Warning | PAH | Pulaski | 3 hr |
| Jun 6, 5:40 PM CDT | Flash Flood Warning | PAH | Massac | 3 hr |
| Jun 8, 7:14 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough | 5 hr |
| Jun 8, 7:14 PM CDT | Flash Flood Warning | DVN | Warren | 5 hr |
| Jun 9, 4:26 PM CDT | Flash Flood Warning | LOT | Iroquois, Kankakee | 3 hr |
| Jun 11, 10:30 AM CDT | Flash Flood Warning | ILX | Crawford | 3 hr |
| Jun 12, 9:17 PM CDT | Flash Flood Warning | DVN | Rock Island | 3 hr |
| Jun 13, 2:20 AM CDT | Flash Flood Warning | LSX | Madison, Monroe, Saint Clair | 5 hr |
| Jun 13, 2:20 AM CDT | Flash Flood Warning | LSX | Macoupin | 5 hr |
| Jun 13, 3:42 PM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Jun 13, 4:22 PM CDT | Flash Flood Warning | ILX | Clay, Richland | 3 hr |
| Jun 22, 5:14 PM CDT | Flash Flood Warning | LOT | Kankakee, Will | 3 hr |
| Jun 22, 5:51 PM CDT | Flash Flood Warning | LOT | Lee, Ogle | 3 hr |
| Jun 26, 1:45 PM CDT | Flash Flood Warning | ILX | Clay, Effingham, Jasper | 3 hr |
| Jun 26, 4:34 PM CDT | Flash Flood Warning | ILX | Jasper | 3 hr |
| Jul 1, 12:33 PM CDT | Flash Flood Warning | PAH | White | 117 min |
| Jul 1, 2:33 PM CDT | Flash Flood Warning | PAH | Edwards, Wayne | 5 hr |
| Jul 1, 2:33 PM CDT | Flash Flood Warning | PAH | Wabash | 5 hr |
| Jul 1, 3:26 PM CDT | Flash Flood Warning | ILX | Richland | 3 hr |
| Jul 1, 4:06 PM CDT | Flash Flood Warning | ILX | Clay | 2 hr |
| Jul 1, 4:11 PM CDT | Flash Flood Warning | ILX | Lawrence | 2 hr |
| Jul 9, 6:57 PM CDT | Flash Flood Warning | PAH | Wayne | 3 hr |
| Jul 9, 8:16 PM CDT | Flash Flood Warning | LSX | Washington | 3 hr |
| Aug 12, 11:15 PM CDT | Flash Flood Warning | ILX | Logan | 4 hr |
| Aug 12, 11:29 PM CDT | Flash Flood Warning | ILX | DeWitt | 4 hr |
| Aug 12, 11:31 PM CDT | Flash Flood Warning | ILX | Menard | 3 hr |
| Aug 13, 12:51 AM CDT | Flash Flood Warning | ILX | Champaign, Piatt | 3 hr |
| Aug 13, 12:56 AM CDT | Flash Flood Warning | ILX | Macon | 2 hr |
| Aug 24, 8:21 AM CDT | Flash Flood Warning | LOT | Boone, DeKalb, Winnebago | 5 hr |
| Aug 24, 12:18 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 5 hr |
| Aug 24, 5:00 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County4
- Wayne County4
- Iroquois County4
- Kankakee County3
- Ford County3
- Ogle County3
- Richland County3
- Jackson County2
- Union County2
- Williamson County2
- Alexander County2
- Hamilton County2
- Jefferson County2
- White County2
- Massac County2
- DeKalb County2
- Crawford County2
- Lawrence County2
- Jasper County2
- Franklin County1
- Perry County1
- Whiteside County1
- Pope County1
- Livingston County1
- Kane County1
- LaSalle County1
- Jo Daviess County1
- Tazewell County1
- Coles County1
- Cumberland County1
- Pulaski County1
- Hancock County1
- Henderson County1
- McDonough County1
- Warren County1
- Rock Island County1
- Madison County1
- Monroe County1
- Saint Clair County1
- Macoupin County1
The busiest days
Days with the most alerts issued, by UTC date.
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.