Alert archive / Illinois / Mesoscale Discussions / 2013
Mesoscale Discussions in Illinois, April 2013
34 mesoscale discussions in April 2013. 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 2013. Tap one for its archive.
- Mesoscale Discussions
- 34
- Busiest day
- April 18, 201311 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 |
|---|---|---|---|---|
| Apr 10, 12:36 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Coles, Crawford and 11 more | 84 min |
| Apr 10, 1:03 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Monroe, Perry, Randolph, Saint Clair and 2 more | 117 min |
| Apr 10, 2:59 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more | 61 min |
| Apr 10, 3:01 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Franklin, Jackson, Jefferson and 10 more | 119 min |
| Apr 10, 6:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Brown, Calhoun, Cass, Champaign and 39 more | 96 min |
| Apr 10, 7:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 31 more | 95 min |
| Apr 10, 8:00 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, DeWitt, Douglas, Edgar and 17 more | 2 hr |
| Apr 10, 11:08 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Cumberland, Edwards, Effingham and 19 more | 97 min |
| Apr 15, 8:59 PM CDT | Mesoscale Discussion | SPC | Monroe | 61 min |
| Apr 16, 12:02 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 21 more | 28 min |
| Apr 16, 2:54 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski | 96 min |
| Apr 16, 8:02 PM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 1 more | 88 min |
| Apr 16, 8:44 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 35 more | 2 hr |
| Apr 17, 8:49 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, DeWitt, Ford and 32 more | 56 min |
| Apr 17, 9:30 AM CDT | Mesoscale Discussion | SPC | Hardin | 2 hr |
| Apr 17, 1:33 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 57 min |
| Apr 17, 3:04 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Cumberland and 26 more | 56 min |
| Apr 17, 3:38 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 97 min |
| Apr 17, 3:53 PM CDT | Mesoscale Discussion | SPC | Hardin, Pope | 67 min |
| Apr 17, 6:02 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike | 88 min |
| Apr 17, 6:46 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 18 more | 89 min |
| Apr 17, 8:21 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 84 min |
| Apr 17, 8:53 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike, Scott | 97 min |
| Apr 17, 10:48 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Coles, DeWitt, Douglas, Edgar and 12 more | 57 min |
| Apr 17, 11:46 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Morgan, Pike, Scott | 89 min |
| Apr 18, 2:01 AM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 89 min |
| Apr 18, 4:02 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Monroe | 58 min |
| Apr 18, 5:36 AM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Fayette, Madison, Monroe, Montgomery and 3 more | 54 min |
| Apr 18, 7:25 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 17 more | 95 min |
| Apr 18, 11:14 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Jasper, Lawrence, Marion and 4 more | 2 hr |
| Apr 18, 12:48 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 87 min |
| Apr 18, 2:47 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Lawrence | 88 min |
| Apr 18, 8:57 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin | 63 min |
| Apr 29, 9:00 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, Lake, McHenry, Ogle and 2 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Macon County11
- Champaign County10
- Douglas County10
- Edgar County10
- Moultrie County10
- Piatt County10
- Coles County9
- Shelby County9
- Calhoun County9
- DeWitt County9
- Greene County9
- Jersey County9
- Sangamon County9
- Christian County8
- Crawford County8
- Effingham County8
- Fayette County8
- Jasper County8
- Vermilion County8
- Logan County8
- Menard County8
- Morgan County8
- Pike County8
- Hardin County8
- Clark County7
- Cumberland County7
- Monroe County7
- Randolph County7
- Washington County7
- Clay County7
- Marion County7
- Wayne County7
- Cass County7
- Ford County7
- McLean County7
- Mason County7
- Scott County7
- Tazewell County7
- Bond County6
- Alexander County6
62 more counties
- Perry County6
- Saint Clair County6
- Union County6
- Franklin County6
- Jefferson County6
- Richland County6
- Hamilton County6
- Iroquois County6
- Montgomery County6
- White County6
- Gallatin County6
- Lawrence County6
- Jackson County5
- Clinton County5
- Williamson County5
- Johnson County5
- Macoupin County5
- Madison County5
- Massac County5
- Pulaski County5
- Saline County5
- Edwards County5
- Pope County5
- Wabash County5
- Fulton County5
- Livingston County5
- Brown County4
- Peoria County4
- Woodford County4
- Schuyler County3
- Grundy County3
- Marshall County3
- Kankakee County3
- Will County3
- Adams County2
- Bureau County2
- Hancock County2
- Henderson County2
- Henry County2
- Kendall County2
- Knox County2
- LaSalle County2
- Lee County2
- McDonough County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Stark County2
- Warren County2
- Whiteside County2
- Boone County2
- Carroll County2
- Jo Daviess County2
- Lake County2
- McHenry County2
- Ogle County2
- Stephenson County2
- Winnebago County2
- Cook County1
- DeKalb County1
- DuPage County1
- Kane County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.