Alert archive / Illinois / Flash Flood Watches
Flash Flood Watches in Illinois, 2012
10 flash flood watches in 2012. 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Flash Flood Watches
- 10
- Busiest month
- May7 flash flood watches
- Busiest day
- May 4, 20123 flash flood watches
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 |
|---|---|---|---|---|
| Mar 17, 3:38 PM CDT | Flash Flood Watch | LSX | Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more | 6 hr |
| Apr 13, 9:19 PM CDT | Flash Flood Watch | LSX | Calhoun, Jersey, Madison, Monroe, Saint Clair | 13 hr |
| Apr 29, 4:00 PM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 15 hr |
| May 1, 2:01 AM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 5 more | 7 hr |
| May 1, 9:12 PM CDT | Flash Flood Watch | ILX | Sangamon | 8 hr |
| May 3, 8:43 PM CDT | Flash Flood Watch | LOT | DuPage, Grundy, Kankakee, Kendall, LaSalle, Livingston | 7 hr |
| May 3, 11:59 PM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 9 hr |
| May 4, 3:31 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more | 11 hr |
| May 6, 3:56 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 27 hr |
| May 6, 4:07 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County4
- Monroe County4
- Saint Clair County4
- Bond County3
- Clinton County3
- Washington County3
- Calhoun County3
- Jersey County3
- Bureau County3
- Hancock County3
- Henderson County3
- Henry County3
- McDonough County3
- Mercer County3
- Putnam County3
- Rock Island County3
- Warren County3
- Greene County2
- Macoupin County2
- Montgomery County2
- DuPage County2
- Grundy County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Livingston County2
- Carroll County2
- Whiteside County2
- Randolph County1
- Fayette County1
- Marion County1
- Pike County1
- Sangamon County1
- Boone County1
- DeKalb County1
- Ford County1
- Iroquois County1
- Kane County1
- Lake County1
- Lee County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.