Alert archive / Illinois / Red Flag Warnings
Red Flag Warnings in Illinois, 2011
6 red flag warnings in 2011. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Red Flag Warnings
- 6
- Busiest month
- April3 red flag warnings
- Busiest day
- November 18, 20113 red flag 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 3, 8:15 AM CDT | Red Flag Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 11 hr |
| Apr 6, 5:30 AM CDT | Red Flag Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 14 hr |
| Apr 6, 5:34 AM CDT | Red Flag Warning | LSX | Bond, Calhoun, Clinton, Jersey, Madison, Marion and 4 more | 13 hr |
| Nov 18, 4:13 AM CST | Red Flag Warning | PAH | Franklin, Hamilton, Jackson, Jefferson, Perry, Wayne | 14 hr |
| Nov 18, 4:29 AM CST | Red Flag Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 13 hr |
| Nov 18, 11:10 AM CST | Red Flag Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Franklin County3
- Hamilton County3
- Jackson County3
- Jefferson County3
- Perry County3
- Wayne County3
- Alexander County2
- Edwards County2
- Gallatin County2
- Hardin County2
- Johnson County2
- Massac County2
- Pope County2
- Pulaski County2
- Saline County2
- Union County2
- Wabash County2
- White County2
- Williamson County2
- Bond County2
- Calhoun County2
- Clinton County2
- Jersey County2
- Madison County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Adams County1
- Brown County1
- Fayette County1
- Greene County1
- Macoupin County1
- Montgomery County1
- Pike County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kankakee County1
4 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.