Alert archive / Illinois / Tornado Watches / 2009
Tornado Watches in Illinois, May 2009
6 tornado watches in May 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- Tornado Watches
- 6
- Busiest day
- May 13, 20093 tornado 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 |
|---|---|---|---|---|
| May 8, 9:21 AM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 7 hr |
| May 13, 2:39 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Fulton and 16 more | 7 hr |
| May 13, 3:00 PM CDT | Tornado Watch | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 24 more | 5 hr |
| May 13, 6:02 PM CDT | Tornado Watch | SPC | Boone, Champaign, Cook, DeKalb, DeWitt, DuPage and 26 more | 5 hr |
| May 15, 12:50 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Pike | 7 hr |
| May 15, 2:39 PM CDT | Tornado Watch | SPC | Bond, Cass, Champaign, Christian, Clinton, Coles and 33 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Edwards County2
- Franklin County2
- Gallatin County2
- Hamilton County2
- Jackson County2
- Jefferson County2
- Johnson County2
- Perry County2
- Randolph County2
- Saline County2
- Union County2
- Wabash County2
- Wayne County2
- White County2
- Williamson County2
- Adams County2
- Brown County2
- Calhoun County2
- Cass County2
- Fulton County2
- Greene County2
- Mason County2
- Morgan County2
- Pike County2
- Schuyler County2
- Scott County2
- Bond County2
- Clinton County2
- Fayette County2
- Marion County2
- Monroe County2
- Saint Clair County2
- Washington County2
- Champaign County2
- DeWitt County2
- Ford County2
- Iroquois County2
- Livingston County2
- Logan County2
- McLean County2
59 more counties
- Macon County2
- Menard County2
- Peoria County2
- Piatt County2
- Sangamon County2
- Tazewell County2
- Vermilion County2
- Woodford County2
- Alexander County1
- Hardin County1
- Massac County1
- Pope County1
- Pulaski County1
- Bureau County1
- Hancock County1
- Henderson County1
- Henry County1
- Knox County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Warren County1
- Whiteside County1
- Clark County1
- Clay County1
- Crawford County1
- Cumberland County1
- Effingham County1
- Jasper County1
- Lawrence County1
- Richland County1
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- McHenry County1
- Marshall County1
- Ogle County1
- Stark County1
- Will County1
- Winnebago County1
- Christian County1
- Coles County1
- Douglas County1
- Edgar County1
- Jersey County1
- Macoupin County1
- Madison County1
- Montgomery County1
- Moultrie County1
- Shelby County1
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. Rebuilt daily.