Alert archive / Illinois / Mesoscale Discussions / 2007
Mesoscale Discussions in Illinois, April 2007
21 mesoscale discussions in April 2007. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in April 2007. Tap one for its archive.
- Mesoscale Discussions
- 21
- Busiest day
- April 3, 20078 mesoscale discussions
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 |
|---|---|---|---|---|
| Mar 31, 7:10 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 65 min |
| Mar 31, 7:25 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cass, Champaign, Christian and 37 more | 65 min |
| Mar 31, 9:17 PM CDT | Mesoscale Discussion | SPC | Bond, Boone, Champaign, Christian, Clinton, Coles and 36 more | 58 min |
| Apr 2, 11:33 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Ogle, Stephenson, Winnebago | 57 min |
| Apr 3, 1:27 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 93 min |
| Apr 3, 4:05 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Fulton, Hancock and 19 more | 55 min |
| Apr 3, 7:17 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 15 more | 88 min |
| Apr 3, 9:08 AM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more | 67 min |
| Apr 3, 9:46 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 37 more | 29 min |
| Apr 3, 11:04 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 26 min |
| Apr 3, 2:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 26 more | 65 min |
| Apr 11, 7:30 AM CDT | Mesoscale Discussion | SPC | Jo Daviess, Stephenson, Winnebago | 6 hr |
| Apr 11, 2:04 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 19 more | 86 min |
| Apr 22, 12:07 PM CDT | Mesoscale Discussion | SPC | Jo Daviess, Rock Island | 113 min |
| Apr 24, 1:13 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 92 min |
| Apr 24, 10:05 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Monroe, Pulaski, Randolph, Union | 85 min |
| Apr 24, 11:14 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, DeWitt, Douglas, Edgar, Ford and 14 more | 91 min |
| Apr 25, 12:45 AM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski | 90 min |
| Apr 26, 4:55 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 10 more | 95 min |
| Apr 29, 3:52 PM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 83 min |
| Apr 30, 3:46 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Jo Daviess, Lee, Ogle, Stephenson and 1 more | 59 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Douglas County7
- Jo Daviess County7
- Moultrie County7
- Piatt County7
- Alexander County6
- Pulaski County6
- Union County6
- Champaign County6
- Coles County6
- Macon County6
- Shelby County6
- Stephenson County6
- Hardin County5
- Johnson County5
- DeWitt County5
- Ford County5
- Logan County5
- McLean County5
- Winnebago County5
- Cumberland County5
- Vermilion County5
- Edgar County5
- Jasper County5
- Monroe County5
- Randolph County5
- Massac County4
- Pope County4
- Saline County4
- Williamson County4
- Carroll County4
- Cass County4
- Christian County4
- Fulton County4
- Marshall County4
- Mason County4
- Ogle County4
- Tazewell County4
- Woodford County4
- Bond County4
- Clinton County4
62 more counties
- Effingham County4
- Madison County4
- Marion County4
- Clark County4
- Clay County4
- Gallatin County4
- Jackson County4
- Richland County4
- White County4
- Boone County3
- Bureau County3
- Knox County3
- LaSalle County3
- Lee County3
- Livingston County3
- McHenry County3
- Menard County3
- Morgan County3
- Peoria County3
- Putnam County3
- Sangamon County3
- Whiteside County3
- Fayette County3
- Iroquois County3
- Macoupin County3
- Montgomery County3
- Rock Island County3
- McDonough County3
- Schuyler County3
- Jefferson County3
- Saint Clair County3
- Washington County3
- Edwards County3
- Franklin County3
- Hamilton County3
- Perry County3
- Wayne County3
- Crawford County3
- Lawrence County3
- DeKalb County2
- Grundy County2
- Henry County2
- Kane County2
- Kendall County2
- Scott County2
- Stark County2
- Kankakee County2
- Adams County2
- Brown County2
- Hancock County2
- Pike County2
- Warren County2
- Calhoun County2
- Greene County2
- Jersey County2
- Wabash County2
- Cook County1
- DuPage County1
- Lake County1
- Will County1
- Henderson County1
- Mercer County1
Nearby
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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.