Alert archive / Illinois / Severe Thunderstorm Warnings / 2001
Severe Thunderstorm Warnings in Illinois, September 2001
25 severe thunderstorm warnings in September 2001. 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 September 2001. Tap one for its archive.
- Severe Thunderstorm Warnings
- 25
- Busiest day
- September 7, 20017 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 |
|---|---|---|---|---|
| Sep 3, 5:32 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 28 min |
| Sep 6, 4:13 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 32 min |
| Sep 6, 4:56 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison | 49 min |
| Sep 6, 6:07 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 38 min |
| Sep 6, 6:37 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 53 min |
| Sep 6, 7:10 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 50 min |
| Sep 6, 7:11 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kendall, Will | 34 min |
| Sep 6, 7:41 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 34 min |
| Sep 6, 8:10 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 35 min |
| Sep 7, 2:03 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 47 min |
| Sep 7, 3:20 PM CDT | Severe Thunderstorm Warning | PAH | Saline | 25 min |
| Sep 7, 6:58 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 62 min |
| Sep 7, 7:08 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 67 min |
| Sep 7, 7:45 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 30 min |
| Sep 8, 10:19 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 41 min |
| Sep 8, 10:19 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 41 min |
| Sep 8, 10:56 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 34 min |
| Sep 9, 12:55 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 50 min |
| Sep 20, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Sep 20, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 34 min |
| Sep 20, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 34 min |
| Sep 20, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer | 37 min |
| Sep 23, 2:41 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 34 min |
| Sep 23, 3:39 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 21 min |
| Sep 23, 4:19 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 26 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Macoupin County2
- Madison County2
- Carroll County2
- Pike County2
- Massac County2
- Lake County1
- McHenry County1
- Macon County1
- Hancock County1
- Calhoun County1
- DuPage County1
- Kendall County1
- Will County1
- Scott County1
- Cass County1
- Morgan County1
- Whiteside County1
- Saline County1
- Stephenson County1
- Winnebago County1
- Saint Clair County1
- Monroe County1
- Jefferson County1
- Adams County1
- Henderson County1
- Mercer County1
- Alexander County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.