Alert archive / Illinois / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Illinois, 2001
52 severe thunderstorm watches in 2001. 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 2001. Tap one for its archive.
- Severe Thunderstorm Watches
- 52
- Busiest month
- September9 severe thunderstorm watches
- Busiest day
- June 14, 20013 severe thunderstorm watches
Over time
By month
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 |
|---|---|---|---|---|
| Feb 9, 9:15 AM CST | Severe Thunderstorm Watch | SPC | Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 11 more | 4 hr |
| Feb 24, 3:30 PM CST | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Marion, Monroe, Perry, Randolph and 2 more | 6 hr |
| Feb 24, 8:00 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more | 5 hr |
| Apr 5, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Greene, Hancock and 9 more | 5 hr |
| Apr 6, 12:15 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Grundy and 12 more | 6 hr |
| Apr 9, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Champaign, DeWitt, Douglas, Edgar, Ford and 21 more | 6 hr |
| Apr 9, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Hancock, Jersey and 4 more | 6 hr |
| Apr 10, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Crawford, Edwards, Gallatin, Hamilton, Hardin and 9 more | 6 hr |
| Apr 10, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clay, Clinton, Crawford, Edwards and 21 more | 5 hr |
| Apr 15, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Jackson, Monroe, Perry, Randolph, Saint Clair, Washington | 4 hr |
| Apr 21, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 42 more | 5 hr |
| May 10, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Whiteside | 6 hr |
| May 10, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 13 more | 5 hr |
| May 14, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 8 more | 3 hr |
| May 16, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 12 more | 5 hr |
| May 18, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph | 6 hr |
| May 18, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 5 hr |
| May 20, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Jackson, Perry, Randolph, Union | 6 hr |
| Jun 5, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 9 more | 6 hr |
| Jun 5, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams | 5 hr |
| Jun 11, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more | 5 hr |
| Jun 14, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Kane, Lee, McHenry and 4 more | 6 hr |
| Jun 14, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 14 more | 5 hr |
| Jun 14, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Champaign, Cook, DeKalb and 33 more | 6 hr |
| Jun 18, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 10 more | 6 hr |
| Jun 18, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson | 6 hr |
| Jul 8, 11:15 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Cass, Champaign, Christian, Clark, Coles and 38 more | 7 hr |
| Jul 8, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 13 more | 6 hr |
| Jul 8, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Crawford, Edwards, Effingham, Gallatin, Hamilton and 8 more | 5 hr |
| Jul 17, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Christian, Fulton, Greene and 24 more | 5 hr |
| Jul 17, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Christian, Clay, Clinton, Effingham, Fayette and 20 more | 4 hr |
| Jul 18, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 15 more | 5 hr |
| Jul 24, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 18 more | 6 hr |
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, DeWitt, Fulton, Grundy and 22 more | 5 hr |
| Aug 2, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 16 more | 5 hr |
| Aug 18, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 21 more | 6 hr |
| Aug 18, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Edwards, Franklin, Gallatin, Hamilton, Hardin and 7 more | 5 hr |
| Aug 22, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 6 hr |
| Aug 22, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 29 more | 5 hr |
| Aug 30, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Hancock, Henderson, McDonough, Mercer, Rock Island and 2 more | 5 hr |
| Sep 7, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more | 6 hr |
| Sep 7, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Henderson, Henry, Mercer, Rock Island, Warren | 4 hr |
| Sep 7, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Fulton, Hancock, McDonough, Pike and 1 more | 5 hr |
| Sep 7, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 10 more | 4 hr |
| Sep 18, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 26 more | 6 hr |
| Sep 20, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Henderson, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 6 hr |
| Sep 20, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Hancock | 5 hr |
| Sep 20, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 18 more | 4 hr |
| Sep 23, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 5 more | 5 hr |
| Oct 22, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 5 hr |
| Oct 23, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 16 more | 6 hr |
| Dec 5, 2:15 PM CST | Severe Thunderstorm Watch | SPC | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mercer County15
- McLean County14
- Fulton County14
- Hancock County14
- Henderson County14
- McDonough County14
- Carroll County14
- Rock Island County14
- Livingston County13
- Henry County13
- Whiteside County13
- Ford County12
- Adams County12
- Schuyler County12
- Tazewell County12
- Warren County12
- Stephenson County12
- Iroquois County11
- Piatt County11
- Wayne County11
- White County11
- Brown County11
- Knox County11
- Jo Daviess County11
- DeWitt County10
- Douglas County10
- Moultrie County10
- Perry County10
- Randolph County10
- Gallatin County10
- Hamilton County10
- Saline County10
- Greene County10
- Mason County10
- Menard County10
- Grundy County10
- Macon County10
- Marshall County10
- Putnam County10
- Woodford County10
62 more counties
- Peoria County10
- Stark County10
- Crawford County10
- Lee County10
- Ogle County10
- Champaign County9
- Edgar County9
- Effingham County9
- Kankakee County9
- Jackson County9
- Hardin County9
- Cass County9
- Pike County9
- Logan County9
- Clay County9
- Jasper County9
- Lawrence County9
- Richland County9
- Boone County9
- DeKalb County9
- Kane County9
- McHenry County9
- Winnebago County9
- Coles County8
- Shelby County8
- Vermilion County8
- Monroe County8
- Washington County8
- Edwards County8
- Franklin County8
- Jefferson County8
- Wabash County8
- Williamson County8
- Macoupin County8
- Morgan County8
- Scott County8
- Bureau County8
- LaSalle County8
- Calhoun County8
- Jersey County8
- Montgomery County8
- Clark County7
- Cumberland County7
- Saint Clair County7
- Alexander County7
- Pope County7
- Union County7
- Christian County7
- Sangamon County7
- DuPage County7
- Kendall County7
- Will County7
- Clinton County6
- Marion County6
- Johnson County6
- Massac County6
- Pulaski County6
- Cook County6
- Lake County6
- Bond County5
- Fayette County5
- Madison County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.