Alert archive / Illinois / Areal Flood Warnings
Areal Flood Warnings in Illinois, 2021
14 areal flood warnings in 2021. 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 areal flood warnings reaches back to 2005.
Areal Flood Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Areal Flood Warnings
- 14
- Busiest month
- June4 areal flood warnings
- Busiest day
- June 26, 20213 areal 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 |
|---|---|---|---|---|
| Apr 11, 11:34 AM CDT | Areal Flood Warning | DVN | Henderson, Henry, Mercer, Rock Island, Warren | 6 hr |
| Jun 26, 1:25 AM CDT | Areal Flood Warning | LSX | Adams, Pike | 14 hr |
| Jun 26, 2:34 AM CDT | Areal Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Piatt, Tazewell | 61 hr |
| Jun 26, 3:29 AM CDT | Areal Flood Warning | LSX | Calhoun, Greene, Jersey | 9 hr |
| Jun 27, 11:09 PM CDT | Areal Flood Warning | ILX | Coles | 14 hr |
| Jul 11, 5:49 PM CDT | Areal Flood Warning | DVN | Hancock, McDonough | 18 hr |
| Jul 13, 1:29 AM CDT | Areal Flood Warning | LOT | Grundy, LaSalle | 9 hr |
| Jul 16, 1:35 PM CDT | Areal Flood Warning | ILX | DeWitt, Logan, McLean | 24 hr |
| Jul 16, 6:12 PM CDT | Areal Flood Warning | PAH | Perry | 13 hr |
| Aug 11, 9:46 AM CDT | Areal Flood Warning | DVN | Henderson | 3 hr |
| Aug 12, 2:59 PM CDT | Areal Flood Warning | LOT | Ford | 19 hr |
| Aug 12, 3:01 PM CDT | Areal Flood Warning | ILX | Champaign, McLean | 6 hr |
| Aug 21, 2:53 PM CDT | Areal Flood Warning | LSX | Marion | 3 hr |
| Oct 24, 7:58 PM CDT | Areal Flood Warning | ILX | Fulton, Schuyler | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McLean County3
- Henderson County2
- DeWitt County2
- Logan County2
- Henry County1
- Mercer County1
- Rock Island County1
- Warren County1
- Adams County1
- Pike County1
- Mason County1
- Piatt County1
- Tazewell County1
- Calhoun County1
- Greene County1
- Jersey County1
- Coles County1
- Hancock County1
- McDonough County1
- Grundy County1
- LaSalle County1
- Perry County1
- Ford County1
- Champaign County1
- Marion County1
- Fulton County1
- Schuyler County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.