Alert archive / Illinois / Excessive Heat Warnings / 2011
Excessive Heat Warnings in Illinois, July 2011
8 excessive heat warnings in July 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 July 2011. Tap one for its archive.
- Excessive Heat Warnings
- 8
- Busiest day
- July 15, 20113 excessive heat warnings
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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County2
- Calhoun County2
- Clinton County2
- Fayette County2
- Jersey County2
- Madison County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Alexander County2
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Massac County2
- Perry County2
- Pope County2
- Pulaski County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Clay County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Adams County1
- Brown County1
- Greene County1
- Macoupin County1
60 more counties
- Montgomery County1
- Pike County1
- Cass County1
- Champaign County1
- Christian County1
- Clark County1
- Coles County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Macon County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Bureau County1
- Carroll County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren 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
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. Warning verification from the Mesonet's Cow. Rebuilt daily.