Alert archive / Illinois / 1998
Weather alerts in Illinois, August 1998
32 weather alerts in August 1998, 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 August 1998. Tap one for its archive.
- Alerts
- 32
- Warnings
- 30
- Watches
- 2
- Advisories
- 0
- Busiest day
- August 24, 199815 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 |
|---|---|---|---|---|
| Aug 3, 6:23 PM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Aug 3, 8:41 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 2 hr |
| Aug 4, 4:10 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 50 min |
| Aug 4, 5:19 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 56 min |
| Aug 4, 7:59 PM CDT | Tornado Warning | ILX | Macon | 61 min |
| Aug 4, 9:20 PM CDT | Flash Flood Warning | ILX | Clark | 3 hr |
| Aug 4, 9:21 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 49 min |
| Aug 4, 9:45 PM CDT | Flash Flood Warning | LSX | Montgomery | 4 hr |
| Aug 5, 1:52 AM CDT | Flash Flood Warning | LSX | Montgomery | 3 hr |
| Aug 5, 2:38 AM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Aug 5, 8:15 PM CDT | Flash Flood Warning | ILX | Champaign | 110 min |
| Aug 18, 2:53 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 37 min |
| Aug 18, 7:11 AM CDT | Flash Flood Warning | LSX | Saint Clair | 3 hr |
| Aug 18, 7:32 AM CDT | Flash Flood Warning | LSX | Madison | 3 hr |
| Aug 24, 10:15 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 10 more | 6 hr |
| Aug 24, 11:39 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 46 min |
| Aug 24, 12:05 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 35 min |
| Aug 24, 12:13 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 32 min |
| Aug 24, 12:16 PM CDT | Tornado Warning | DVN | Stephenson | 34 min |
| Aug 24, 12:19 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 51 min |
| Aug 24, 12:37 PM CDT | Tornado Warning | LOT | Ogle, Winnebago | 33 min |
| Aug 24, 12:44 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 55 min |
| Aug 24, 12:52 PM CDT | Tornado Warning | LOT | Boone, DeKalb | 53 min |
| Aug 24, 1:14 PM CDT | Severe Thunderstorm Warning | LOT | Kane, McHenry | 31 min |
| Aug 24, 1:28 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 62 min |
| Aug 24, 1:28 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 62 min |
| Aug 24, 2:09 PM CDT | Severe Thunderstorm Warning | LOT | Will | 51 min |
| Aug 24, 2:26 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 54 min |
| Aug 24, 4:25 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 50 min |
| Aug 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 25 more | 5 hr |
| Aug 24, 11:15 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 60 min |
| Aug 24, 11:23 PM CDT | Tornado Warning | DVN | Carroll, Whiteside | 62 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 | 16 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 2 |
| Flooding | |
| Flash Flood Warning | 9 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Winnebago County5
- Boone County4
- Carroll County4
- Ogle County4
- Stephenson County4
- Will County4
- Champaign County3
- Peoria County3
- Montgomery County3
- Cook County3
- DeKalb County3
- DuPage County3
- Jo Daviess County3
- Kane County3
- Kendall County3
- Lake County3
- Lee County3
- McHenry County3
- Whiteside County3
- Marion County2
- Vermilion County2
- Knox County2
- Stark County2
- Kankakee County2
- Macon County1
- Clark County1
- Fayette County1
- Sangamon County1
- Saint Clair County1
- Madison County1
- Bureau County1
- Grundy County1
- Henderson County1
- Henry County1
- LaSalle County1
- Livingston County1
- Marshall County1
- Mercer County1
- Putnam County1
- Rock Island County1
1 more counties
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. Rebuilt daily.