Alert archive / Illinois / Flash Flood Warnings / 2015
Flash Flood Warnings in Illinois, September 2015
21 flash flood warnings in September 2015. 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 September 2015. Tap one for its archive.
- Flash Flood Warnings
- 21
- Busiest day
- September 18, 201510 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 |
|---|---|---|---|---|
| Sep 1, 7:43 AM CDT | Flash Flood Warning | ILX | Clark, Crawford, Cumberland, Jasper | 3 hr |
| Sep 1, 8:40 AM CDT | Flash Flood Warning | ILX | Clark, Edgar | 3 hr |
| Sep 1, 9:34 AM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Sep 1, 7:49 PM CDT | Flash Flood Warning | ILX | Piatt | 3 hr |
| Sep 4, 9:51 PM CDT | Flash Flood Warning | ILX | Douglas | 3 hr |
| Sep 5, 8:30 AM CDT | Flash Flood Warning | ILX | Vermilion | 4 hr |
| Sep 5, 9:29 AM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
| Sep 10, 7:38 PM CDT | Flash Flood Warning | LSX | Bond | 4 hr |
| Sep 17, 11:55 PM CDT | Flash Flood Warning | DVN | Carroll, Whiteside | 6 hr |
| Sep 18, 12:31 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 8 hr |
| Sep 18, 1:15 AM CDT | Flash Flood Warning | LOT | Lee, Ogle | 8 hr |
| Sep 18, 2:59 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough, Warren | 8 hr |
| Sep 18, 3:07 PM CDT | Flash Flood Warning | ILX | Fulton, Knox, Peoria | 6 hr |
| Sep 18, 4:40 PM CDT | Flash Flood Warning | ILX | Peoria, Tazewell, Woodford | 5 hr |
| Sep 18, 5:32 PM CDT | Flash Flood Warning | LOT | Cook, Kendall, Will | 6 hr |
| Sep 18, 5:51 PM CDT | Flash Flood Warning | ILX | Peoria, Tazewell | 4 hr |
| Sep 18, 6:27 PM CDT | Flash Flood Warning | LOT | DeKalb, Grundy, Kane, Kendall, LaSalle | 6 hr |
| Sep 18, 6:51 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Lake, McHenry | 6 hr |
| Sep 18, 9:51 PM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Sep 19, 12:17 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 6 hr |
| Sep 19, 2:53 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Vermilion County4
- Peoria County3
- Cook County3
- Kendall County3
- Kane County3
- Clark County2
- Lake County2
- McHenry County2
- Tazewell County2
- Will County2
- DeKalb County2
- DuPage County2
- Crawford County1
- Cumberland County1
- Jasper County1
- Edgar County1
- Piatt County1
- Douglas County1
- Iroquois County1
- Bond County1
- Carroll County1
- Whiteside County1
- Lee County1
- Ogle County1
- Hancock County1
- Henderson County1
- McDonough County1
- Warren County1
- Fulton County1
- Knox County1
- Woodford County1
- Grundy County1
- LaSalle County1
- Champaign County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.