Alert archive / Illinois / Mesoscale Discussions / 2020
Mesoscale Discussions in Illinois, May 2020
13 mesoscale discussions in May 2020. 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 2020. Tap one for its archive.
- Mesoscale Discussions
- 13
- Busiest day
- May 3, 20203 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 2, 8:27 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 21 more | 2 hr |
| May 2, 11:10 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 3 more | 95 min |
| May 3, 12:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 85 min |
| May 14, 5:19 PM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 16 more | 116 min |
| May 14, 9:38 PM CDT | Mesoscale Discussion | SPC | Henry, Knox, Mercer, Rock Island, Stark, Warren | 52 min |
| May 14, 10:58 PM CDT | Mesoscale Discussion | SPC | Adams | 2 hr |
| May 15, 1:06 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 31 more | 114 min |
| May 16, 3:38 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clay, Clinton, Edwards, Effingham and 27 more | 3 hr |
| May 17, 1:44 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 45 more | 2 hr |
| May 17, 6:29 PM CDT | Mesoscale Discussion | SPC | Gallatin, Lawrence, Wabash | 91 min |
| May 18, 11:59 AM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Ford, Grundy, Iroquois and 14 more | 91 min |
| May 23, 11:29 AM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Cass, DeWitt, Fulton, Henderson and 24 more | 2 hr |
| May 23, 2:51 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Champaign, Cook, DeKalb and 32 more | 84 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- DeWitt County6
- Logan County6
- Livingston County6
- McLean County6
- Woodford County6
- Champaign County5
- Mason County5
- Knox County5
- LaSalle County5
- Marshall County5
- Stark County5
- Tazewell County5
- Christian County4
- Douglas County4
- Fulton County4
- McDonough County4
- Macon County4
- Menard County4
- Piatt County4
- Sangamon County4
- Schuyler County4
- Shelby County4
- Vermilion County4
- Henry County4
- Peoria County4
- Putnam County4
- Rock Island County4
- Ford County4
- Grundy County4
- Iroquois County4
- Kankakee County4
- Adams County3
- Cass County3
- Clark County3
- Coles County3
- Cumberland County3
- Edgar County3
- Morgan County3
- Moultrie County3
- Jasper County3
57 more counties
- Bureau County3
- Mercer County3
- Warren County3
- Whiteside County3
- Madison County3
- Montgomery County3
- Gallatin County3
- Lawrence County3
- Wabash County3
- Kendall County3
- Will County3
- Brown County2
- Hancock County2
- Pike County2
- Scott County2
- Crawford County2
- Henderson County2
- Greene County2
- Jersey County2
- Macoupin County2
- Bond County2
- Clay County2
- Clinton County2
- Edwards County2
- Effingham County2
- Fayette County2
- Franklin County2
- Hamilton County2
- Jefferson County2
- Marion County2
- Perry County2
- Richland County2
- Saint Clair County2
- Saline County2
- Washington County2
- Wayne County2
- White County2
- DeKalb County2
- DuPage County2
- Carroll County2
- Jo Daviess County2
- Lee County2
- Ogle County2
- Stephenson County2
- Alexander County1
- Massac County1
- Pulaski County1
- Calhoun County1
- Monroe County1
- Randolph County1
- Williamson County1
- Boone County1
- Cook County1
- Kane County1
- Lake County1
- McHenry County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.