Alert archive / Illinois / Mesoscale Discussions / 2010
Mesoscale Discussions in Illinois, May 2010
19 mesoscale discussions in May 2010. 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 2010. Tap one for its archive.
- Mesoscale Discussions
- 19
- Busiest day
- May 13, 20105 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 30, 7:12 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clinton and 29 more | 63 min |
| Apr 30, 7:32 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 16 more | 58 min |
| Apr 30, 8:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clay, Clinton, Coles and 32 more | 54 min |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 39 more | 64 min |
| May 1, 9:45 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 37 more | 30 min |
| May 2, 2:09 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Clark, Clay, Clinton and 35 more | 2 hr |
| May 3, 12:54 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 44 more | 96 min |
| May 3, 5:12 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 54 more | 93 min |
| May 7, 2:31 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Fulton, Hancock, Henderson, Knox and 5 more | 59 min |
| May 7, 5:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 6 more | 113 min |
| May 12, 4:51 AM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 11 more | 54 min |
| May 12, 8:00 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 90 min |
| May 12, 11:24 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more | 96 min |
| May 13, 4:23 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Greene, Logan and 10 more | 67 min |
| May 13, 6:34 AM CDT | Mesoscale Discussion | SPC | Cass, DeWitt, DuPage, Ford, Fulton, Grundy and 20 more | 26 min |
| May 13, 5:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 33 more | 94 min |
| May 21, 10:26 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 9 more | 64 min |
| May 24, 11:51 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 5 more | 54 min |
| May 25, 12:59 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Whiteside | 91 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bond County9
- Clinton County9
- Effingham County9
- Fayette County9
- Marion County9
- Washington County9
- Clay County9
- Jasper County9
- Wayne County9
- Sangamon County8
- Shelby County8
- Cumberland County8
- Franklin County8
- Hamilton County8
- Jefferson County8
- Saline County8
- Union County8
- Williamson County8
- Edwards County8
- Richland County8
- Cass County7
- Madison County7
- Mason County7
- Montgomery County7
- Moultrie County7
- Randolph County7
- Saint Clair County7
- Alexander County7
- Coles County7
- Jackson County7
- Johnson County7
- Massac County7
- Perry County7
- Pope County7
- Pulaski County7
- Crawford County7
- Gallatin County7
- Lawrence County7
- White County7
- Brown County6
59 more counties
- Christian County6
- DeWitt County6
- Fulton County6
- Logan County6
- Menard County6
- Monroe County6
- Morgan County6
- Piatt County6
- Schuyler County6
- Clark County6
- Edgar County6
- Vermilion County6
- Wabash County6
- Greene County5
- Jersey County5
- Macon County5
- Macoupin County5
- Pike County5
- Scott County5
- Tazewell County5
- Douglas County5
- Hardin County5
- Peoria County5
- Calhoun County4
- McLean County4
- Knox County4
- Stark County4
- Champaign County4
- Adams County4
- McDonough County4
- Woodford County3
- Livingston County3
- Marshall County3
- Ford County3
- Hancock County3
- Henderson County3
- Warren County3
- Carroll County2
- DuPage County2
- Grundy County2
- Kane County2
- Kendall County2
- LaSalle County2
- Putnam County2
- Stephenson County2
- Whiteside County2
- Iroquois County2
- Kankakee County2
- Boone County1
- Bureau County1
- DeKalb County1
- Henry County1
- Lake County1
- Lee County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Will County1
- Jo Daviess County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.