Alert archive / Illinois / Mesoscale Discussions / 2022
Mesoscale Discussions in Illinois, May 2022
18 mesoscale discussions in May 2022. 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 May 2022. Tap one for its archive.
- Mesoscale Discussions
- 18
- Busiest day
- May 19, 20224 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 |
|---|---|---|---|---|
| May 11, 5:15 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, Grundy, LaSalle, Lee and 4 more | 60 min |
| May 13, 12:37 PM CDT | Mesoscale Discussion | SPC | Madison, Monroe, Randolph, Saint Clair | 2 hr |
| May 13, 2:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, Lee, Ogle, Stark and 3 more | 97 min |
| May 13, 5:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 13 more | 2 hr |
| May 15, 2:03 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 40 more | 117 min |
| May 17, 6:12 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 93 min |
| May 19, 10:05 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clay, Clinton, Edwards, Effingham and 27 more | 2 hr |
| May 19, 12:17 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Hamilton, Jackson, Jefferson and 10 more | 2 hr |
| May 19, 2:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Johnson, Monroe, Perry and 5 more | 115 min |
| May 19, 5:10 PM CDT | Mesoscale Discussion | SPC | Edwards, Wabash, Wayne, White | 2 hr |
| May 20, 7:10 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Calhoun, Cass and 48 more | 2 hr |
| May 21, 10:06 AM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 17 more | 114 min |
| May 21, 12:00 PM CDT | Mesoscale Discussion | SPC | Crawford, Gallatin, Lawrence, Wabash, White | 2 hr |
| May 25, 3:37 PM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Iroquois, Kane and 7 more | 113 min |
| May 25, 6:46 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, Christian, DeWitt, Fulton and 24 more | 119 min |
| May 26, 9:52 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Cass, Christian, Clinton and 23 more | 83 min |
| May 31, 3:40 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Cook and 40 more | 2 hr |
| May 31, 6:22 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Fulton, Hancock and 14 more | 83 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bureau County6
- Monroe County6
- Stark County6
- Adams County6
- Brown County6
- Fulton County6
- Henderson County6
- Knox County6
- McDonough County6
- Schuyler County6
- Warren County6
- Hancock County6
- Lee County5
- Randolph County5
- Henry County5
- Cass County5
- Greene County5
- Jersey County5
- Mason County5
- Morgan County5
- Peoria County5
- Scott County5
- Clinton County5
- Franklin County5
- Perry County5
- Washington County5
- White County5
- Macoupin County5
- DeKalb County4
- Grundy County4
- LaSalle County4
- Livingston County4
- Ogle County4
- Putnam County4
- Madison County4
- Saint Clair County4
- Whiteside County4
- Calhoun County4
- Pike County4
- Bond County4
61 more counties
- Christian County4
- Edwards County4
- Fayette County4
- Hamilton County4
- Jackson County4
- Jefferson County4
- Johnson County4
- Marion County4
- Union County4
- Wabash County4
- Wayne County4
- Williamson County4
- Logan County4
- Macon County4
- Menard County4
- Sangamon County4
- Tazewell County4
- Carroll County3
- Alexander County3
- Clay County3
- Crawford County3
- Effingham County3
- Gallatin County3
- Lawrence County3
- Montgomery County3
- Pulaski County3
- Richland County3
- Saline County3
- Shelby County3
- Cook County3
- DeWitt County3
- DuPage County3
- Iroquois County3
- Kane County3
- Kankakee County3
- Kendall County3
- Lake County3
- Marshall County3
- Mercer County3
- Will County3
- Woodford County3
- Stephenson County2
- Champaign County2
- Clark County2
- Coles County2
- Cumberland County2
- Edgar County2
- Hardin County2
- Jasper County2
- Piatt County2
- Pope County2
- Ford County2
- McHenry County2
- McLean County2
- Rock Island County2
- Winnebago County1
- Douglas County1
- Massac County1
- Moultrie County1
- Vermilion County1
- Boone County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.