Alert archive / Illinois / Excessive Heat Warnings
Excessive Heat Warnings in Illinois, 2011
11 excessive heat 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Excessive Heat Warnings
- 11
- Busiest month
- July8 excessive heat warnings
- Busiest day
- July 15, 20113 excessive heat 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 |
|---|---|---|---|---|
| Jul 10, 11:54 AM CDT | Excessive Heat Warning | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 55 hr |
| Jul 10, 1:28 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 56 hr |
| Jul 11, 2:14 PM CDT | Excessive Heat Warning | ILX | Clay, Crawford, Effingham, Jasper, Lawrence, Richland | 29 hr |
| Jul 15, 2:23 PM CDT | Excessive Heat Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 19 days |
| Jul 15, 3:03 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 9 days |
| Jul 15, 3:42 PM CDT | Excessive Heat Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 9 days |
| Jul 19, 2:26 AM CDT | Excessive Heat Warning | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 5 days |
| Jul 19, 9:58 AM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 days |
| Aug 1, 3:20 PM CDT | Excessive Heat Warning | ILX | Cass, Fulton, Knox, Logan, Marshall, Mason and 9 more | 28 hr |
| Aug 2, 3:50 AM CDT | Excessive Heat Warning | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 18 hr |
| Aug 2, 3:46 PM CDT | Excessive Heat Warning | PAH | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 7 more | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County3
- Franklin County3
- Gallatin County3
- Hardin County3
- Jackson County3
- Johnson County3
- Massac County3
- Perry County3
- Pope County3
- Pulaski County3
- Saline County3
- Union County3
- Williamson County3
- Bond County2
- Calhoun County2
- Clinton County2
- Fayette County2
- Jersey County2
- Madison County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Edwards County2
- Hamilton County2
- Jefferson County2
- Wabash County2
- Wayne County2
- White County2
- Clay County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Cass County2
- Fulton County2
- Knox County2
- Logan County2
60 more counties
- Marshall County2
- Mason County2
- Menard County2
- Morgan County2
- Peoria County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Stark County2
- Tazewell County2
- Woodford County2
- Bureau County2
- Hancock County2
- Henderson County2
- Henry County2
- McDonough County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Warren County2
- Adams County1
- Brown County1
- Greene County1
- Macoupin County1
- Montgomery County1
- Pike County1
- Champaign County1
- Christian County1
- Clark County1
- Coles County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- McLean County1
- Macon County1
- Moultrie County1
- Piatt County1
- Shelby County1
- Vermilion County1
- Carroll County1
- Jo Daviess County1
- Stephenson County1
- Whiteside County1
- Boone County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Winnebago County1
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.