Alert archive / Illinois / Tornado Watches / 1998
Tornado Watches in Illinois, May 1998
9 tornado watches in May 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in May 1998. Tap one for its archive.
- Tornado Watches
- 9
- Busiest day
- May 15, 19982 tornado watches
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 |
|---|---|---|---|---|
| May 6, 4:00 PM CDT | Tornado Watch | SPC | Alexander | 6 hr |
| May 12, 7:30 PM CDT | Tornado Watch | SPC | Boone, Champaign, Christian, Coles, Cook, Cumberland and 35 more | 6 hr |
| May 15, 4:00 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Fulton and 18 more | 6 hr |
| May 15, 5:00 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 12 more | 6 hr |
| May 15, 8:45 PM CDT | Tornado Watch | SPC | Boone, Champaign, Cook, DeKalb, DeWitt, DuPage and 15 more | 4 hr |
| May 22, 5:30 PM CDT | Tornado Watch | SPC | Bond, Calhoun, Clark, Clay, Clinton, Cumberland and 30 more | 6 hr |
| May 23, 5:30 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 19 more | 7 hr |
| May 23, 7:45 PM CDT | Tornado Watch | SPC | Clay, Crawford, Cumberland, Edwards, Effingham, Gallatin and 10 more | 5 hr |
| May 31, 1:00 AM CDT | Tornado Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Kane and 7 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Macoupin County4
- Montgomery County4
- Boone County3
- Cook County3
- Cumberland County3
- DeKalb County3
- DeWitt County3
- DuPage County3
- Effingham County3
- Jasper County3
- Kane County3
- Lake County3
- Lee County3
- Logan County3
- McHenry County3
- McLean County3
- Menard County3
- Sangamon County3
- Shelby County3
- Tazewell County3
- Winnebago County3
- Woodford County3
- Calhoun County3
- Greene County3
- Jersey County3
- Champaign County2
- Christian County2
- Fayette County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kankakee County2
- Kendall County2
- LaSalle County2
- Livingston County2
- Macon County2
- Marshall County2
- Moultrie County2
- Piatt County2
- Putnam County2
59 more counties
- Vermilion County2
- Will County2
- Adams County2
- Bond County2
- Brown County2
- Cass County2
- Fulton County2
- Madison County2
- Mason County2
- Monroe County2
- Morgan County2
- Pike County2
- Saint Clair County2
- Schuyler County2
- Scott County2
- Carroll County2
- Ogle County2
- Stephenson County2
- Whiteside County2
- Clay County2
- Edwards County2
- Gallatin County2
- Hamilton County2
- Hardin County2
- Richland County2
- Saline County2
- Wabash County2
- Wayne County2
- White County2
- Alexander County1
- Coles County1
- Douglas County1
- Hancock County1
- McDonough County1
- Bureau County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- Knox County1
- Mercer County1
- Peoria County1
- Rock Island County1
- Stark County1
- Warren County1
- Clark County1
- Clinton County1
- Franklin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Marion County1
- Perry County1
- Pope County1
- Randolph County1
- Union County1
- Washington County1
- Williamson County1
- Crawford County1
- Lawrence 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. Rebuilt daily.