Alert archive / Illinois / Severe Thunderstorm Warnings / 1986
Severe Thunderstorm Warnings in Illinois, May 1986
40 severe thunderstorm warnings in May 1986. 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 May 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 40
- Busiest day
- May 6, 198615 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 |
|---|---|---|---|---|
| Apr 30, 7:32 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 58 min |
| Apr 30, 7:50 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 40 min |
| May 6, 12:20 PM CDT | Severe Thunderstorm Warning | ILX | Hancock | 55 min |
| May 6, 12:52 PM CDT | Severe Thunderstorm Warning | ILX | McDonough, Warren | 38 min |
| May 6, 1:10 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 50 min |
| May 6, 1:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Woodford | 67 min |
| May 6, 2:05 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 25 min |
| May 6, 2:16 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Tazewell | 2 hr |
| May 6, 2:30 PM CDT | Severe Thunderstorm Warning | ILX | Hancock, McDonough, Schuyler | 60 min |
| May 6, 3:41 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 64 min |
| May 6, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Hancock, McDonough, Schuyler | 74 min |
| May 6, 5:01 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, McDonough, Mason, Schuyler, Tazewell | 59 min |
| May 6, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 68 min |
| May 6, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 68 min |
| May 6, 6:07 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 68 min |
| May 6, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 60 min |
| May 6, 6:56 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 64 min |
| May 6, 7:00 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 45 min |
| May 6, 7:49 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 56 min |
| May 6, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Montgomery, Shelby | 66 min |
| May 7, 2:40 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 65 min |
| May 7, 3:52 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 68 min |
| May 8, 8:38 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 67 min |
| May 13, 4:42 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 53 min |
| May 13, 9:25 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 35 min |
| May 13, 9:25 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 35 min |
| May 13, 10:06 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 39 min |
| May 14, 6:00 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Williamson | 30 min |
| May 14, 7:15 PM CDT | Severe Thunderstorm Warning | IND | Wabash | 45 min |
| May 14, 7:44 PM CDT | Severe Thunderstorm Warning | IND | Lawrence | 46 min |
| May 15, 5:36 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac | 39 min |
| May 15, 10:00 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 60 min |
| May 16, 4:00 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 45 min |
| May 16, 4:31 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Morgan | 59 min |
| May 16, 5:03 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 42 min |
| May 16, 5:09 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Sangamon | 56 min |
| May 16, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 25 min |
| May 16, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 51 min |
| May 16, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 56 min |
| May 16, 8:00 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Piatt | 12 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sangamon County6
- Champaign County5
- McDonough County4
- Vermilion County4
- Morgan County4
- Hancock County3
- Schuyler County3
- Macon County3
- Menard County2
- Logan County2
- Adams County2
- Mason County2
- Tazewell County2
- Fulton County2
- Christian County2
- Calhoun County2
- Piatt County2
- Warren County1
- Marshall County1
- Peoria County1
- Woodford County1
- Cass County1
- Montgomery County1
- Shelby County1
- Iroquois County1
- Clinton County1
- Washington County1
- Bond County1
- Monroe County1
- Randolph County1
- Franklin County1
- Jackson County1
- Williamson County1
- Wabash County1
- Lawrence County1
- Johnson County1
- Massac County1
- Alexander County1
- Pulaski County1
- Jersey County1
4 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. Warning verification from the Mesonet's Cow. Rebuilt daily.