Alert archive / Illinois / Severe Thunderstorm Watches / 2009
Severe Thunderstorm Watches in Illinois, June 2009
22 severe thunderstorm watches in June 2009. 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 2009. Tap one for its archive.
- Severe Thunderstorm Watches
- 22
- Busiest day
- June 18, 20094 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 1, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Champaign, Cook, DeKalb, DeWitt, DuPage and 32 more | 7 hr |
| Jun 2, 12:27 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 54 more | 8 hr |
| Jun 7, 11:09 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 1 more | 6 hr |
| Jun 8, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 10 more | 6 hr |
| Jun 8, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 37 more | 5 hr |
| Jun 9, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Johnson, Massac, Pulaski, Union | 7 hr |
| Jun 15, 10:34 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Massac, Pulaski | 7 hr |
| Jun 16, 12:41 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Franklin, Jackson and 13 more | 4 hr |
| Jun 16, 10:40 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 5 hr |
| Jun 17, 11:53 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 6 hr |
| Jun 18, 4:12 AM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 5 hr |
| Jun 18, 6:30 AM CDT | Severe Thunderstorm Watch | SPC | Edwards, Gallatin, Hamilton, Wabash, Wayne, White | 6 hr |
| Jun 18, 10:11 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, DeWitt, Ford, Fulton, Grundy and 21 more | 6 hr |
| Jun 18, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Grundy and 12 more | 7 hr |
| Jun 19, 7:14 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more | 7 hr |
| Jun 19, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 66 more | 8 hr |
| Jun 20, 1:34 AM CDT | Severe Thunderstorm Watch | SPC | Edwards, Franklin, Gallatin, Hamilton, Jefferson, Saline and 4 more | 4 hr |
| Jun 23, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more | 4 hr |
| Jun 25, 12:48 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 19 more | 6 hr |
| Jun 25, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 5 hr |
| Jun 27, 2:41 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cass, Champaign, DeKalb and 38 more | 7 hr |
| Jun 27, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County9
- LaSalle County9
- Lee County9
- Mercer County9
- Warren County9
- Grundy County8
- Livingston County8
- McDonough County8
- Rock Island County8
- Ogle County8
- Bureau County7
- DeKalb County7
- Ford County7
- Hancock County7
- Kane County7
- Kendall County7
- Knox County7
- Marshall County7
- Peoria County7
- Putnam County7
- Stark County7
- Will County7
- Woodford County7
- Champaign County6
- Cook County6
- DeWitt County6
- DuPage County6
- Fulton County6
- Henry County6
- Kankakee County6
- Logan County6
- McLean County6
- Mason County6
- Tazewell County6
- Whiteside County6
- Boone County6
- McHenry County6
- Winnebago County6
- Carroll County6
- Iroquois County5
62 more counties
- Piatt County5
- Schuyler County5
- Vermilion County5
- Adams County5
- Brown County5
- Franklin County5
- Gallatin County5
- Hamilton County5
- Johnson County5
- Union County5
- Wayne County5
- Williamson County5
- Lake County5
- Alexander County5
- Pulaski County5
- Jo Daviess County5
- Stephenson County5
- Cass County4
- Christian County4
- Clark County4
- Clay County4
- Coles County4
- Crawford County4
- Cumberland County4
- Douglas County4
- Edgar County4
- Edwards County4
- Effingham County4
- Jasper County4
- Jefferson County4
- Lawrence County4
- Macoupin County4
- Madison County4
- Menard County4
- Monroe County4
- Montgomery County4
- Moultrie County4
- Pike County4
- Richland County4
- Saint Clair County4
- Saline County4
- Shelby County4
- Wabash County4
- White County4
- Massac County4
- Bond County3
- Calhoun County3
- Clinton County3
- Greene County3
- Hardin County3
- Jackson County3
- Jersey County3
- Macon County3
- Marion County3
- Perry County3
- Pope County3
- Randolph County3
- Sangamon County3
- Washington County3
- Fayette County2
- Morgan County2
- Scott County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.