Alert archive / Illinois / Tornado Warnings / 2009
Tornado Warnings in Illinois, May 2009
27 tornado warnings 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 warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in May 2009. Tap one for its archive.
- Tornado Warnings
- 27
- Busiest day
- May 15, 200911 tornado 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 |
|---|---|---|---|---|
| May 8, 1:38 AM CDT | Tornado Warning | PAH | Hardin, Pope | 22 min |
| May 8, 10:52 AM CDT | Tornado Warning | LSX | Randolph | 38 min |
| May 8, 10:57 AM CDT | Tornado Warning | PAH | Jackson, Perry | 48 min |
| May 8, 11:39 AM CDT | Tornado Warning | PAH | Perry | 36 min |
| May 8, 11:51 AM CDT | Tornado Warning | PAH | Franklin, Jackson, Williamson | 27 min |
| May 8, 1:14 PM CDT | Tornado Warning | PAH | Franklin, Jackson, Perry | 31 min |
| May 8, 8:07 PM CDT | Tornado Warning | DVN | Henderson, Mercer, Warren | 38 min |
| May 13, 7:35 PM CDT | Tornado Warning | LSX | Adams | 55 min |
| May 13, 7:40 PM CDT | Tornado Warning | DVN | Hancock | 65 min |
| May 13, 8:15 PM CDT | Tornado Warning | ILX | Schuyler | 45 min |
| May 14, 12:19 AM CDT | Tornado Warning | ILX | Coles, Cumberland, Moultrie, Shelby | 56 min |
| May 14, 12:35 AM CDT | Tornado Warning | ILX | Coles, Douglas, Moultrie, Shelby | 38 min |
| May 14, 1:41 AM CDT | Tornado Warning | PAH | Jackson | 25 min |
| May 14, 1:44 AM CDT | Tornado Warning | LSX | Randolph | 31 min |
| May 15, 2:49 PM CDT | Tornado Warning | LSX | Adams, Pike | 26 min |
| May 15, 3:13 PM CDT | Tornado Warning | LSX | Adams, Brown, Pike | 47 min |
| May 15, 3:45 PM CDT | Tornado Warning | ILX | Cass, Morgan, Scott | 45 min |
| May 15, 4:25 PM CDT | Tornado Warning | ILX | Cass, Morgan | 35 min |
| May 15, 4:49 PM CDT | Tornado Warning | ILX | Cass, Menard, Sangamon | 26 min |
| May 15, 5:14 PM CDT | Tornado Warning | ILX | Logan, Menard, Sangamon | 46 min |
| May 15, 5:40 PM CDT | Tornado Warning | ILX | Logan, Macon, Sangamon | 50 min |
| May 15, 6:06 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey, Pike | 39 min |
| May 15, 6:11 PM CDT | Tornado Warning | ILX | Macon | 35 min |
| May 15, 6:38 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 31 min |
| May 15, 6:42 PM CDT | Tornado Warning | ILX | Champaign, Macon, Piatt | 48 min |
| May 25, 1:38 PM CDT | Tornado Warning | LSX | Macoupin | 37 min |
| May 25, 2:16 PM CDT | Tornado Warning | LSX | Madison | 29 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jackson County4
- Perry County3
- Adams County3
- Pike County3
- Cass County3
- Sangamon County3
- Macon County3
- Randolph County2
- Franklin County2
- Coles County2
- Moultrie County2
- Shelby County2
- Morgan County2
- Menard County2
- Logan County2
- Champaign County2
- Hardin County1
- Pope County1
- Williamson County1
- Henderson County1
- Mercer County1
- Warren County1
- Hancock County1
- Schuyler County1
- Cumberland County1
- Douglas County1
- Brown County1
- Scott County1
- Calhoun County1
- Greene County1
- Jersey County1
- Vermilion County1
- Piatt County1
- Macoupin County1
- Madison 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.