Alert archive / Illinois / Flash Flood Watches / 2020
Flash Flood Watches in Illinois, August 2020
5 flash flood watches in August 2020. 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 August 2020. Tap one for its archive.
- Flash Flood Watches
- 5
- Busiest day
- August 13, 20202 flash flood watches
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 |
|---|---|---|---|---|
| Aug 8, 2:18 PM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 7 more | 20 hr |
| Aug 12, 11:33 AM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 7 hr |
| Aug 13, 9:49 AM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 9 hr |
| Aug 13, 10:56 AM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 9 hr |
| Aug 27, 3:22 AM CDT | Flash Flood Watch | PAH | Alexander, Hardin, Massac, Pope, Pulaski | 35 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County3
- Hardin County3
- Massac County3
- Pope County3
- Pulaski County3
- Bond County2
- Calhoun County2
- Clinton County2
- Greene County2
- Jersey County2
- Macoupin County2
- Madison County2
- Monroe County2
- Montgomery County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Perry County2
- Saline County2
- Union County2
- Wayne County2
- White County2
- Williamson County2
- Pike County1
- Fayette County1
- Marion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.