Alert archive / Illinois / Severe Thunderstorm Watches / 2011
Severe Thunderstorm Watches in Illinois, June 2011
24 severe thunderstorm watches in June 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in June 2011. Tap one for its archive.
- Severe Thunderstorm Watches
- 24
- Busiest day
- June 26, 20114 severe thunderstorm 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 |
|---|---|---|---|---|
| Jun 4, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 6 more | 7 hr |
| Jun 4, 4:53 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Clark, Coles, Cumberland and 25 more | 6 hr |
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 37 more | 7 hr |
| Jun 6, 7:00 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Lake, McHenry | 5 hr |
| Jun 8, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 9 more | 8 hr |
| Jun 9, 4:43 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Pike | 5 hr |
| Jun 10, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 13 more | 7 hr |
| Jun 10, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 9 more | 7 hr |
| Jun 10, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Christian, DeWitt, Fulton, Knox, Logan and 13 more | 6 hr |
| Jun 13, 5:16 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more | 8 hr |
| Jun 15, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph, Saint Clair | 4 hr |
| Jun 17, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 4 hr |
| Jun 18, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 5 hr |
| Jun 18, 8:26 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jackson and 11 more | 8 hr |
| Jun 19, 11:42 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 13 more | 6 hr |
| Jun 21, 5:42 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 23 more | 4 hr |
| Jun 25, 1:06 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clinton, Fayette, Franklin, Gallatin and 20 more | 3 hr |
| Jun 25, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Edwards, Fayette and 27 more | 6 hr |
| Jun 25, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Christian, Clay, Crawford, Cumberland, Effingham, Jasper and 4 more | 5 hr |
| Jun 26, 1:58 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 4 hr |
| Jun 26, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph | 5 hr |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 35 more | 6 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 5 hr |
| Jun 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 43 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Clair County11
- Monroe County11
- Randolph County10
- Bond County9
- Calhoun County9
- Clinton County9
- Fayette County9
- Madison County9
- Marion County9
- Washington County9
- Greene County8
- Jersey County8
- Macoupin County8
- Fulton County7
- Tazewell County7
- Montgomery County7
- Pike County7
- Christian County6
- Knox County6
- Mason County6
- Peoria County6
- Sangamon County6
- Schuyler County6
- Shelby County6
- Adams County6
- Brown County6
- Clay County6
- Cass County5
- Cumberland County5
- Hancock County5
- Logan County5
- McDonough County5
- McLean County5
- Macon County5
- Menard County5
- Stark County5
- Effingham County5
- Lawrence County5
- Richland County5
- Coles County4
62 more counties
- DeWitt County4
- Douglas County4
- Henderson County4
- Marshall County4
- Moultrie County4
- Warren County4
- Woodford County4
- Crawford County4
- Jasper County4
- Morgan County4
- Scott County4
- Franklin County4
- Gallatin County4
- Hamilton County4
- Hardin County4
- Jefferson County4
- Johnson County4
- Pope County4
- Saline County4
- Williamson County4
- Jackson County4
- Perry County4
- Cook County3
- DeKalb County3
- DuPage County3
- Kane County3
- Champaign County3
- Clark County3
- Edgar County3
- Piatt County3
- Vermilion County3
- Mercer County3
- Boone County3
- Lake County3
- McHenry County3
- Rock Island County3
- Wayne County3
- White County3
- Alexander County3
- Massac County3
- Pulaski County3
- Union County3
- Ford County2
- Grundy County2
- Iroquois County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Livingston County2
- Will County2
- Lee County2
- Ogle County2
- Stephenson County2
- Whiteside County2
- Winnebago County2
- Edwards County2
- Wabash County2
- Bureau County2
- Putnam County2
- Carroll County1
- Jo Daviess County1
- Henry 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.