Alert archive / Illinois / Flash Flood Warnings / 2017
Flash Flood Warnings in Illinois, May 2017
9 flash flood warnings in May 2017. 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 May 2017. Tap one for its archive.
- Flash Flood Warnings
- 9
- Busiest day
- May 11, 20173 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 |
|---|---|---|---|---|
| May 4, 7:43 AM CDT | Flash Flood Warning | ILX | Champaign, Christian, Coles, Douglas, Edgar, Macon and 4 more | 8 hr |
| May 4, 7:45 AM CDT | Flash Flood Warning | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 8 hr |
| May 6, 2:32 PM CDT | Flash Flood Warning | ILX | Crawford | 24 hr |
| May 10, 11:22 PM CDT | Flash Flood Warning | ILX | Clay, Crawford, Effingham, Jasper, Lawrence, Richland | 3 hr |
| May 10, 11:33 PM CDT | Flash Flood Warning | LSX | Bond, Fayette, Madison, Marion, Montgomery | 6 hr |
| May 11, 12:34 AM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 3 hr |
| May 19, 3:45 AM CDT | Flash Flood Warning | ILX | Christian, Macon, Morgan, Piatt, Sangamon | 6 hr |
| May 20, 6:39 AM CDT | Flash Flood Warning | PAH | Jackson, Perry | 3 hr |
| May 26, 6:06 PM CDT | Flash Flood Warning | ILX | Vermilion | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County3
- Crawford County3
- Lawrence County3
- Richland County3
- Christian County2
- Macon County2
- Piatt County2
- Vermilion County2
- Effingham County2
- Jasper County2
- Champaign County1
- Coles County1
- Douglas County1
- Edgar County1
- Moultrie County1
- Shelby County1
- Clark County1
- Cumberland County1
- Bond County1
- Fayette County1
- Madison County1
- Marion County1
- Montgomery County1
- Morgan County1
- Sangamon County1
- Jackson County1
- Perry County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.