Alert archive / Illinois / Severe Thunderstorm Watches / 2004
Severe Thunderstorm Watches in Illinois, May 2004
23 severe thunderstorm watches in May 2004. 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 2004. Tap one for its archive.
- Severe Thunderstorm Watches
- 23
- Busiest day
- May 27, 20044 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 7, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Ford, Grundy, Iroquois, Kankakee, Kendall and 10 more | 4 hr |
| May 7, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more | 6 hr |
| May 9, 12:55 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Lake, Will | 6 hr |
| May 9, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Grundy, Kankakee, Kendall, LaSalle and 3 more | 4 hr |
| May 17, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Jo Daviess, Lee, McHenry and 6 more | 5 hr |
| May 18, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 48 more | 7 hr |
| May 20, 3:35 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 23 more | 6 hr |
| May 20, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Fulton and 20 more | 5 hr |
| May 21, 10:25 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 8 more | 6 hr |
| May 22, 12:05 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more | 6 hr |
| May 22, 11:35 AM CDT | Severe Thunderstorm Watch | SPC | Champaign, Cook, DeWitt, Douglas, Ford, Grundy and 10 more | 6 hr |
| May 23, 12:40 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more | 5 hr |
| May 23, 1:40 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Logan and 8 more | 4 hr |
| May 23, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | Monroe | 5 hr |
| May 25, 3:00 AM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 15 more | 3 hr |
| May 25, 1:05 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clinton, Fayette, Greene and 12 more | 6 hr |
| May 25, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 22 more | 6 hr |
| May 26, 8:50 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 25 more | 5 hr |
| May 26, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 34 more | 5 hr |
| May 27, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Pike and 3 more | 6 hr |
| May 27, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 22 more | 7 hr |
| May 27, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Franklin, Greene and 12 more | 7 hr |
| May 27, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 7 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kankakee County8
- Putnam County8
- Will County8
- Cook County8
- Ford County7
- Grundy County7
- Iroquois County7
- LaSalle County7
- Livingston County7
- Marshall County7
- DeKalb County7
- DuPage County7
- Bureau County6
- Kendall County6
- McLean County6
- Stark County6
- Boone County6
- Carroll County6
- Jo Daviess County6
- Lake County6
- Ogle County6
- Stephenson County6
- Winnebago County6
- Lee County6
- Clay County6
- Clinton County6
- Crawford County6
- Lawrence County6
- Marion County6
- Monroe County6
- Richland County6
- Saint Clair County6
- Peoria County5
- Tazewell County5
- Woodford County5
- Kane County5
- McHenry County5
- Rock Island County5
- Whiteside County5
- Bond County5
61 more counties
- Douglas County5
- Effingham County5
- Fayette County5
- Jasper County5
- Logan County5
- Madison County5
- Piatt County5
- Pike County5
- Scott County5
- Washington County5
- Henry County5
- Edwards County5
- Wabash County5
- Wayne County5
- Mercer County4
- Adams County4
- Brown County4
- Calhoun County4
- Cass County4
- Champaign County4
- Christian County4
- Clark County4
- Coles County4
- Cumberland County4
- Edgar County4
- Fulton County4
- Greene County4
- Jersey County4
- Macon County4
- Macoupin County4
- Mason County4
- Menard County4
- Montgomery County4
- Moultrie County4
- Sangamon County4
- Schuyler County4
- Shelby County4
- Vermilion County4
- Knox County4
- White County4
- Jefferson County4
- Perry County4
- DeWitt County3
- Hancock County3
- McDonough County3
- Morgan County3
- Warren County3
- Hamilton County3
- Randolph County3
- Franklin County3
- Henderson County2
- Gallatin County2
- Hardin County2
- Jackson County2
- Johnson County2
- Pope County2
- Saline County2
- Union County2
- Williamson County2
- Alexander County1
- Pulaski County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.