Alert archive / Illinois / Severe Thunderstorm Warnings / 2009
Severe Thunderstorm Warnings in Illinois, March 2009
27 severe thunderstorm warnings in March 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 warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in March 2009. Tap one for its archive.
- Severe Thunderstorm Warnings
- 27
- Busiest day
- March 8, 200918 severe thunderstorm 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 |
|---|---|---|---|---|
| Mar 7, 2:40 AM CST | Severe Thunderstorm Warning | DVN | Henderson | 17 min |
| Mar 7, 10:04 PM CST | Severe Thunderstorm Warning | DVN | McDonough | 41 min |
| Mar 8, 6:08 AM CDT | Severe Thunderstorm Warning | ILX | Fulton | 37 min |
| Mar 8, 6:28 AM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria | 47 min |
| Mar 8, 6:57 AM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 42 min |
| Mar 8, 7:11 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle, Livingston | 64 min |
| Mar 8, 7:12 AM CDT | Severe Thunderstorm Warning | DVN | Putnam | 26 min |
| Mar 8, 8:16 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 26 min |
| Mar 8, 11:16 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Montgomery | 44 min |
| Mar 8, 11:18 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 42 min |
| Mar 8, 11:59 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 28 min |
| Mar 8, 1:02 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 43 min |
| Mar 8, 1:06 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston, Will | 39 min |
| Mar 8, 1:07 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pope, Pulaski | 38 min |
| Mar 8, 1:13 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 32 min |
| Mar 8, 1:16 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 18 min |
| Mar 8, 1:34 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 26 min |
| Mar 8, 1:41 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Pope | 34 min |
| Mar 8, 1:54 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 51 min |
| Mar 10, 7:10 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 30 min |
| Mar 10, 9:47 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski, Union | 43 min |
| Mar 24, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 44 min |
| Mar 24, 9:48 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Ogle, Winnebago | 27 min |
| Mar 24, 10:05 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Lee, McHenry, Ogle, Winnebago | 55 min |
| Mar 24, 10:48 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane, Kendall, LaSalle, Will | 42 min |
| Mar 24, 11:13 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Lake, McHenry | 62 min |
| Mar 24, 11:27 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 57 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Will County4
- Grundy County3
- Kendall County3
- DuPage County3
- LaSalle County2
- Livingston County2
- Christian County2
- Macon County2
- Iroquois County2
- Pope County2
- Pulaski County2
- Alexander County2
- Boone County2
- Ogle County2
- Winnebago County2
- McHenry County2
- Kane County2
- Cook County2
- Henderson County1
- McDonough County1
- Fulton County1
- Knox County1
- Peoria County1
- Marshall County1
- Woodford County1
- Putnam County1
- Greene County1
- Jersey County1
- Macoupin County1
- Montgomery County1
- Morgan County1
- Sangamon County1
- Edwards County1
- Wabash County1
- Ford County1
- Kankakee County1
- Johnson County1
- Massac County1
- Franklin County1
- Vermilion 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. Warning verification from the Mesonet's Cow. Rebuilt daily.