Alert archive / Illinois / Areal Flood Advisories / 2021
Areal Flood Advisories in Illinois, May 2021
8 areal flood advisories in May 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 advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Areal Flood Advisories
- 8
- Busiest day
- May 27, 20214 areal flood advisories
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, 4:34 AM CDT | Areal Flood Advisory | PAH | Johnson | 3 hr |
| May 9, 9:28 AM CDT | Areal Flood Advisory | LOT | Cook, Grundy, Kankakee, LaSalle, Livingston, Will | 6 hr |
| May 16, 9:36 PM CDT | Areal Flood Advisory | LSX | Greene, Jersey, Macoupin | 3 hr |
| May 27, 12:39 PM CDT | Areal Flood Advisory | LSX | Calhoun, Madison | 3 hr |
| May 27, 2:16 PM CDT | Areal Flood Advisory | LSX | Bond, Fayette | 3 hr |
| May 27, 5:43 PM CDT | Areal Flood Advisory | PAH | Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 1 more | 2 hr |
| May 27, 6:23 PM CDT | Areal Flood Advisory | PAH | Alexander, Gallatin, Jackson, Johnson, Pulaski, Saline and 2 more | 112 min |
| May 27, 7:44 PM CDT | Areal Flood Advisory | PAH | Massac, Pope | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Johnson County2
- Cook County1
- Grundy County1
- Kankakee County1
- LaSalle County1
- Livingston County1
- Will County1
- Greene County1
- Jersey County1
- Macoupin County1
- Calhoun County1
- Madison County1
- Bond County1
- Fayette County1
- Edwards County1
- Franklin County1
- Hamilton County1
- Jefferson County1
- Perry County1
- Wabash County1
- Wayne County1
- Alexander County1
- Gallatin County1
- Jackson County1
- Pulaski County1
- Saline County1
- Union County1
- Williamson County1
- Massac County1
- Pope County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.