Alert archive / Illinois / Severe Thunderstorm Warnings / 1998
Severe Thunderstorm Warnings in Illinois, July 1998
52 severe thunderstorm warnings in July 1998. 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 July 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 52
- Busiest day
- July 22, 199820 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 |
|---|---|---|---|---|
| Jul 3, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 49 min |
| Jul 3, 6:08 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 27 min |
| Jul 3, 6:33 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 57 min |
| Jul 3, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 64 min |
| Jul 3, 7:06 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 49 min |
| Jul 3, 7:32 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 28 min |
| Jul 4, 12:48 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 42 min |
| Jul 6, 5:07 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 38 min |
| Jul 7, 2:13 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 32 min |
| Jul 7, 2:43 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper, Richland | 47 min |
| Jul 7, 2:55 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Lawrence | 50 min |
| Jul 19, 4:11 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 49 min |
| Jul 19, 4:23 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 97 min |
| Jul 19, 4:23 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 37 min |
| Jul 19, 4:45 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 60 min |
| Jul 19, 3:00 PM CDT | Severe Thunderstorm Warning | LOT | Will | 60 min |
| Jul 20, 9:28 AM CDT | Severe Thunderstorm Warning | ILX | Menard | 32 min |
| Jul 20, 1:53 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 26 min |
| Jul 20, 3:20 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 27 min |
| Jul 20, 3:20 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 87 min |
| Jul 20, 6:52 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 58 min |
| Jul 20, 7:11 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 64 min |
| Jul 20, 7:37 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 53 min |
| Jul 20, 7:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 51 min |
| Jul 21, 1:09 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 31 min |
| Jul 21, 1:21 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 29 min |
| Jul 22, 9:29 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 61 min |
| Jul 22, 10:00 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 60 min |
| Jul 22, 11:26 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 34 min |
| Jul 22, 11:46 AM CDT | Severe Thunderstorm Warning | ILX | Cass | 44 min |
| Jul 22, 12:00 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 45 min |
| Jul 22, 12:27 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 48 min |
| Jul 22, 1:00 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Sangamon | 60 min |
| Jul 22, 1:33 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 57 min |
| Jul 22, 1:55 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 50 min |
| Jul 22, 2:28 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 62 min |
| Jul 22, 2:55 PM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 65 min |
| Jul 22, 4:01 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 34 min |
| Jul 22, 5:33 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 47 min |
| Jul 22, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 64 min |
| Jul 22, 5:56 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 49 min |
| Jul 22, 6:08 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 47 min |
| Jul 22, 6:16 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 59 min |
| Jul 22, 6:27 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 63 min |
| Jul 22, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 31 min |
| Jul 22, 6:46 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 49 min |
| Jul 22, 7:27 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 48 min |
| Jul 22, 7:42 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 48 min |
| Jul 22, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 38 min |
| Jul 22, 7:57 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 48 min |
| Jul 22, 8:14 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 46 min |
| Jul 22, 8:42 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kane County5
- McHenry County4
- Saint Clair County3
- DeKalb County3
- Cook County3
- Lake County3
- Ford County3
- Stephenson County2
- Iroquois County2
- Fayette County2
- Clay County2
- Jasper County2
- Boone County2
- DuPage County2
- Will County2
- Menard County2
- Logan County2
- Mason County2
- Edgar County2
- Madison County2
- Monroe County2
- Jackson County1
- Richland County1
- Crawford County1
- Lawrence County1
- Kendall County1
- Winnebago County1
- Tazewell County1
- McLean County1
- Schuyler County1
- Cass County1
- Sangamon County1
- DeWitt County1
- Macon County1
- Piatt County1
- Champaign County1
- Douglas County1
- Vermilion County1
- Macoupin County1
- Montgomery County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.