Alert archive / Illinois / Mesoscale Discussions / 2018
Mesoscale Discussions in Illinois, July 2018
12 mesoscale discussions in July 2018. 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 July 2018. Tap one for its archive.
- Mesoscale Discussions
- 12
- Busiest day
- July 1, 20184 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 |
|---|---|---|---|---|
| Jul 1, 11:37 AM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 83 min |
| Jul 1, 12:23 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Boone, Brown, Bureau, Carroll and 56 more | 97 min |
| Jul 1, 3:37 PM CDT | Mesoscale Discussion | SPC | Bond, Boone, Cass, Champaign, Christian, Clark and 46 more | 83 min |
| Jul 1, 6:51 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 22 more | 114 min |
| Jul 13, 6:23 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Winnebago | 2 hr |
| Jul 14, 4:40 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Christian, Clinton, DeWitt, Fayette and 23 more | 95 min |
| Jul 19, 5:18 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 57 min |
| Jul 19, 6:26 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 31 more | 64 min |
| Jul 19, 9:36 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 23 more | 54 min |
| Jul 19, 11:43 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Cumberland, Edwards, Effingham and 13 more | 92 min |
| Jul 20, 12:58 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 62 min |
| Jul 20, 10:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 115 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County7
- Fayette County7
- Montgomery County7
- Shelby County7
- Christian County6
- Macon County6
- Macoupin County6
- Cass County5
- DeWitt County5
- Greene County5
- Jersey County5
- Logan County5
- McDonough County5
- Mason County5
- Menard County5
- Morgan County5
- Moultrie County5
- Sangamon County5
- Scott County5
- Effingham County5
- Winnebago County4
- Coles County4
- Douglas County4
- Fulton County4
- McLean County4
- Peoria County4
- Piatt County4
- Schuyler County4
- Tazewell County4
- Woodford County4
- Clinton County4
- Boone County3
- McHenry County3
- Stephenson County3
- Adams County3
- Brown County3
- Champaign County3
- Ford County3
- Henderson County3
- Iroquois County3
57 more counties
- Kankakee County3
- Knox County3
- Marshall County3
- Pike County3
- Vermilion County3
- Warren County3
- Cumberland County3
- Jasper County3
- Madison County3
- Marion County3
- Hancock County3
- Jo Daviess County2
- Carroll County2
- Cook County2
- DeKalb County2
- DuPage County2
- Grundy County2
- Kane County2
- Kendall County2
- Lake County2
- LaSalle County2
- Lee County2
- Livingston County2
- Ogle County2
- Putnam County2
- Stark County2
- Will County2
- Clark County2
- Edgar County2
- Clay County2
- Richland County2
- Calhoun County2
- Franklin County2
- Hamilton County2
- White County2
- Alexander County2
- Gallatin County2
- Hardin County2
- Johnson County2
- Massac County2
- Pope County2
- Pulaski County2
- Saline County2
- Union County2
- Williamson County2
- Bureau County1
- Henry County1
- Whiteside County1
- Crawford County1
- Mercer County1
- Rock Island County1
- Edwards County1
- Jefferson County1
- Wabash County1
- Washington County1
- Wayne County1
- Jackson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.