Alert archive / Illinois / Severe Thunderstorm Watches / 1998
Severe Thunderstorm Watches in Illinois, May 1998
16 severe thunderstorm 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in May 1998. Tap one for its archive.
- Severe Thunderstorm Watches
- 16
- Busiest day
- May 2, 19982 severe thunderstorm 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 2, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Crawford and 28 more | 5 hr |
| May 2, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Massac, Pope, Wabash | 5 hr |
| May 12, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Calhoun, Carroll and 25 more | 6 hr |
| May 19, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 5 hr |
| May 19, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 37 more | 6 hr |
| May 19, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edwards and 10 more | 5 hr |
| May 20, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Edwards, Gallatin, Hardin, Johnson, Lawrence and 6 more | 6 hr |
| May 21, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Edwards, Franklin and 23 more | 6 hr |
| May 21, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 6 more | 5 hr |
| May 22, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 33 more | 5 hr |
| May 23, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Fayette, Franklin and 16 more | 6 hr |
| May 24, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 31 more | 6 hr |
| May 25, 3:15 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 6 hr |
| May 28, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 8 more | 7 hr |
| May 28, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Henderson | 6 hr |
| May 31, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clay, Crawford, Edwards, Effingham, Franklin and 21 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Johnson County7
- Alexander County6
- Calhoun County6
- Pulaski County6
- Saline County6
- Union County6
- White County6
- Williamson County6
- Massac County6
- Bond County5
- Clinton County5
- Edwards County5
- Fayette County5
- Franklin County5
- Jackson County5
- Jefferson County5
- Jersey County5
- Macoupin County5
- Madison County5
- Marion County5
- Montgomery County5
- Perry County5
- Washington County5
- Gallatin County5
- Hardin County5
- Pope County5
- Wabash County5
- Henderson County5
- Pike County5
- Scott County5
- Clay County4
- Crawford County4
- Effingham County4
- Hamilton County4
- Lawrence County4
- Monroe County4
- Randolph County4
- Richland County4
- Saint Clair County4
- Wayne County4
62 more counties
- Adams County4
- Brown County4
- Cass County4
- Fulton County4
- Greene County4
- Hancock County4
- Knox County4
- McDonough County4
- Mason County4
- Morgan County4
- Peoria County4
- Schuyler County4
- Warren County4
- McLean County4
- Tazewell County4
- Jasper County3
- Boone County3
- Bureau County3
- Carroll County3
- Henry County3
- Jo Daviess County3
- Lee County3
- Mercer County3
- Ogle County3
- Putnam County3
- Stark County3
- Stephenson County3
- Whiteside County3
- Winnebago County3
- Ford County3
- Marshall County3
- Woodford County3
- Christian County3
- DeWitt County3
- Logan County3
- Macon County3
- Menard County3
- Moultrie County3
- Sangamon County3
- Shelby County3
- Cumberland County2
- Rock Island County2
- Cook County2
- DeKalb County2
- DuPage County2
- Grundy County2
- Iroquois County2
- Kane County2
- Kankakee County2
- Lake County2
- LaSalle County2
- Livingston County2
- McHenry County2
- Champaign County2
- Coles County2
- Douglas County2
- Piatt County2
- Kendall County1
- Will County1
- Edgar County1
- Vermilion County1
- Clark 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.