Alert archive / Illinois / 1986
Weather alerts in Illinois, September 1986
38 weather alerts in September 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 1986. Tap one for its archive.
- Alerts
- 38
- Warnings
- 38
- Watches
- 0
- Advisories
- 0
- Busiest day
- September 19, 198610 alerts
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 10, 6:35 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 40 min |
| Sep 18, 3:23 AM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 3 hr |
| Sep 18, 4:55 AM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| Sep 18, 7:04 AM CDT | Flash Flood Warning | LSX | Monroe | 3 hr |
| Sep 18, 9:45 AM CDT | Flash Flood Warning | LSX | Perry, Randolph | 3 hr |
| Sep 19, 12:36 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 44 min |
| Sep 19, 1:23 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 57 min |
| Sep 19, 2:03 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 57 min |
| Sep 19, 2:15 PM CDT | Severe Thunderstorm Warning | LSX | Scott | 45 min |
| Sep 19, 3:01 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Scott | 49 min |
| Sep 19, 3:06 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 54 min |
| Sep 19, 3:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 58 min |
| Sep 19, 3:35 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Morgan | 55 min |
| Sep 19, 5:20 PM CDT | Severe Thunderstorm Warning | IND | Clay, Wayne | 40 min |
| Sep 19, 5:56 PM CDT | Severe Thunderstorm Warning | IND | Wayne | 64 min |
| Sep 19, 9:02 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 58 min |
| Sep 20, 12:33 AM CDT | Flash Flood Warning | ILX | DeWitt, Logan | 5 hr |
| Sep 20, 2:46 AM CDT | Flash Flood Warning | ILX | Sangamon | 4 hr |
| Sep 21, 3:39 AM CDT | Flash Flood Warning | DVN | Jo Daviess | 66 min |
| Sep 22, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Carroll, Ogle | 64 min |
| Sep 22, 7:31 PM CDT | Severe Thunderstorm Warning | ILX | Boone, Winnebago | 24 min |
| Sep 24, 5:33 PM CDT | Tornado Warning | ILX | Peoria, Woodford | 57 min |
| Sep 24, 6:41 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 64 min |
| Sep 24, 6:43 PM CDT | Tornado Warning | ILX | Marshall, Woodford | 62 min |
| Sep 25, 12:21 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 69 min |
| Sep 25, 12:24 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 5 hr |
| Sep 26, 1:19 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 31 min |
| Sep 26, 1:19 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 31 min |
| Sep 26, 1:25 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 30 min |
| Sep 26, 2:40 PM CDT | Flash Flood Warning | LOT | Lake, McHenry | 3 hr |
| Sep 28, 4:39 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 66 min |
| Sep 28, 4:39 PM CDT | Severe Thunderstorm Warning | ILX | Putnam | 51 min |
| Sep 28, 5:14 PM CDT | Severe Thunderstorm Warning | ILX | Boone, Winnebago | 61 min |
| Sep 28, 5:20 PM CDT | Severe Thunderstorm Warning | ILX | Stephenson | 55 min |
| Sep 28, 6:00 PM CDT | Tornado Warning | ILX | Boone, Ogle, Winnebago | 60 min |
| Sep 28, 8:00 PM CDT | Flash Flood Warning | LOT | Lake | 4 hr |
| Sep 29, 4:22 PM CDT | Tornado Warning | ILX | McLean | 48 min |
| Sep 29, 5:09 PM CDT | Severe Thunderstorm Warning | ILX | Montgomery | 51 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 24 |
| Tornado Warning | 4 |
| Flooding | |
| Flash Flood Warning | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County3
- Winnebago County3
- Lake County3
- Jo Daviess County2
- Monroe County2
- Adams County2
- Morgan County2
- Scott County2
- DeWitt County2
- Wayne County2
- McLean County2
- Sangamon County2
- Ogle County2
- Woodford County2
- LaSalle County2
- Livingston County2
- McHenry County2
- Saint Clair County1
- Jackson County1
- Perry County1
- Randolph County1
- Brown County1
- Pike County1
- Cass County1
- Greene County1
- Piatt County1
- Champaign County1
- Vermilion County1
- Macoupin County1
- Clay County1
- Logan County1
- Carroll County1
- Peoria County1
- Marshall County1
- Cook County1
- Will County1
- Kankakee County1
- Stark County1
- Putnam County1
- Stephenson County1
1 more counties
Nearby
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.