Alert archive / Illinois / Mesoscale Discussions / 2017
Mesoscale Discussions in Illinois, March 2017
21 mesoscale discussions in March 2017. 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 March 2017. Tap one for its archive.
- Mesoscale Discussions
- 21
- Busiest day
- March 7, 20177 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 |
|---|---|---|---|---|
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | Alexander, Clay, Crawford, Edwards, Franklin, Gallatin and 21 more | 119 min |
| Feb 28, 8:06 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 37 more | 84 min |
| Feb 28, 10:09 PM CST | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Jackson, Johnson and 5 more | 66 min |
| Feb 28, 11:52 PM CST | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Vermilion | 53 min |
| Mar 1, 2:09 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 2 hr |
| Mar 1, 4:19 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 56 min |
| Mar 6, 7:42 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 12 more | 63 min |
| Mar 6, 8:10 PM CST | Mesoscale Discussion | SPC | Alexander | 3 hr |
| Mar 6, 8:22 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 24 more | 2 hr |
| Mar 6, 10:15 PM CST | Mesoscale Discussion | SPC | Boone, DeKalb, DeWitt, Ford, Grundy, Kane and 11 more | 60 min |
| Mar 6, 11:13 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Cumberland and 31 more | 2 hr |
| Mar 7, 1:53 AM CST | Mesoscale Discussion | SPC | Champaign, Coles, Cumberland, Douglas, Edgar, Iroquois and 3 more | 97 min |
| Mar 7, 2:58 AM CST | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 92 min |
| Mar 9, 4:45 PM CST | Mesoscale Discussion | SPC | Alexander | 90 min |
| Mar 19, 11:50 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, LaSalle, Lee, Marshall and 6 more | 85 min |
| Mar 20, 11:19 AM CDT | Mesoscale Discussion | SPC | Ford, Iroquois, Vermilion | 2 hr |
| Mar 23, 6:28 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more | 92 min |
| Mar 24, 9:36 PM CDT | Mesoscale Discussion | SPC | Monroe | 54 min |
| Mar 25, 1:05 AM CDT | Mesoscale Discussion | SPC | Alexander | 115 min |
| Mar 30, 11:56 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Christian, Clay, Clinton and 37 more | 64 min |
| Mar 30, 3:27 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 19 more | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County9
- Gallatin County8
- Saline County8
- Hamilton County7
- Johnson County7
- Massac County7
- Pope County7
- Union County7
- Franklin County6
- Hardin County6
- Jackson County6
- Pulaski County6
- Williamson County6
- Edwards County5
- White County5
- Vermilion County5
- Clay County4
- Jasper County4
- Jefferson County4
- Perry County4
- Randolph County4
- Richland County4
- Washington County4
- Wayne County4
- Champaign County4
- Douglas County4
- Ford County4
- Iroquois County4
- Marshall County4
- Moultrie County4
- Putnam County4
- Ogle County4
- Monroe County4
- Cumberland County4
- Marion County3
- Wabash County3
- Bureau County3
- Christian County3
- Henderson County3
- Henry County3
62 more counties
- LaSalle County3
- Mercer County3
- Piatt County3
- Stark County3
- Warren County3
- Carroll County3
- Lee County3
- Winnebago County3
- Bond County3
- Calhoun County3
- Clinton County3
- Jersey County3
- Macoupin County3
- Madison County3
- Montgomery County3
- Saint Clair County3
- Effingham County3
- Shelby County3
- Coles County3
- Crawford County2
- Lawrence County2
- Adams County2
- Brown County2
- Cass County2
- DeWitt County2
- Fulton County2
- Grundy County2
- Hancock County2
- Kendall County2
- Knox County2
- Livingston County2
- Logan County2
- McDonough County2
- McLean County2
- Macon County2
- Mason County2
- Menard County2
- Morgan County2
- Peoria County2
- Pike County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Tazewell County2
- Woodford County2
- Jo Daviess County2
- Rock Island County2
- Stephenson County2
- Whiteside County2
- Greene County2
- Boone County2
- DeKalb County2
- Kane County2
- McHenry County2
- Fayette County2
- Edgar County2
- Kankakee County1
- Will County1
- Cook County1
- DuPage County1
- Lake County1
- Clark County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.