Alert archive / Illinois / Flash Flood Warnings / 2009
Flash Flood Warnings in Illinois, July 2009
23 flash flood warnings in July 2009. 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 July 2009. Tap one for its archive.
- Flash Flood Warnings
- 23
- Busiest day
- July 28, 20097 flash flood 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 |
|---|---|---|---|---|
| Jul 5, 12:53 AM CDT | Flash Flood Warning | LSX | Clinton | 6 hr |
| Jul 10, 11:46 AM CDT | Flash Flood Warning | DVN | Henry, Rock Island, Whiteside | 8 hr |
| Jul 11, 6:47 AM CDT | Flash Flood Warning | LSX | Bond, Fayette, Montgomery | 4 hr |
| Jul 11, 7:15 AM CDT | Flash Flood Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 4 hr |
| Jul 11, 7:48 AM CDT | Flash Flood Warning | PAH | Jefferson | 3 hr |
| Jul 11, 9:38 AM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Williamson | 3 hr |
| Jul 11, 10:44 AM CDT | Flash Flood Warning | PAH | Jefferson | 3 hr |
| Jul 11, 12:29 PM CDT | Flash Flood Warning | PAH | Jackson, Williamson | 2 hr |
| Jul 11, 9:14 PM CDT | Flash Flood Warning | LSX | Randolph | 6 hr |
| Jul 11, 9:15 PM CDT | Flash Flood Warning | PAH | Jackson, Perry | 76 min |
| Jul 11, 9:23 PM CDT | Flash Flood Warning | PAH | Jackson, Union | 2 hr |
| Jul 15, 2:15 AM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough, Warren | 5 hr |
| Jul 15, 8:22 AM CDT | Flash Flood Warning | LSX | Greene, Jersey, Macoupin | 5 hr |
| Jul 16, 11:16 PM CDT | Flash Flood Warning | ILX | Clay, Richland | 5 hr |
| Jul 23, 4:19 PM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| Jul 24, 9:49 PM CDT | Flash Flood Warning | DVN | Henry, Rock Island, Whiteside | 4 hr |
| Jul 27, 9:49 PM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson | 6 hr |
| Jul 27, 10:28 PM CDT | Flash Flood Warning | DVN | Whiteside | 5 hr |
| Jul 27, 10:31 PM CDT | Flash Flood Warning | LOT | Lee, Ogle | 6 hr |
| Jul 28, 11:10 AM CDT | Flash Flood Warning | PAH | Hardin, Johnson, Massac, Pope | 110 min |
| Jul 28, 2:34 PM CDT | Flash Flood Warning | ILX | Christian, Sangamon | 6 hr |
| Jul 28, 4:07 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 8 hr |
| Jul 28, 6:14 PM CDT | Flash Flood Warning | LSX | Pike | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jackson County4
- Whiteside County3
- Clinton County2
- Henry County2
- Rock Island County2
- Bond County2
- Fayette County2
- Jefferson County2
- Williamson County2
- Montgomery County1
- Marion County1
- Washington County1
- Franklin County1
- Randolph County1
- Perry County1
- Union County1
- Hancock County1
- Henderson County1
- McDonough County1
- Warren County1
- Greene County1
- Jersey County1
- Macoupin County1
- Clay County1
- Richland County1
- Cook County1
- Carroll County1
- Jo Daviess County1
- Stephenson County1
- Lee County1
- Ogle County1
- Hardin County1
- Johnson County1
- Massac County1
- Pope County1
- Christian County1
- Sangamon County1
- Ford County1
- Iroquois County1
- Pike County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.