Alert archive / Illinois / Mesoscale Discussions / 2010
Mesoscale Discussions in Illinois, March 2010
4 mesoscale discussions in March 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 March 2010. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- March 11, 20103 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 |
|---|---|---|---|---|
| Mar 10, 11:08 PM CST | Mesoscale Discussion | SPC | Alexander, Calhoun, Clinton, Jackson, Jersey, Madison and 7 more | 97 min |
| Mar 11, 1:21 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Jackson, Jefferson and 16 more | 54 min |
| Mar 11, 1:56 PM CST | Mesoscale Discussion | SPC | Edgar, Iroquois, Vermilion | 94 min |
| Mar 20, 11:36 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Knox, McDonough | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County2
- Clinton County2
- Jackson County2
- Madison County2
- Perry County2
- Pulaski County2
- Randolph County2
- Saint Clair County2
- Union County2
- Washington County2
- Calhoun County1
- Jersey County1
- Monroe County1
- Bond County1
- Franklin County1
- Jefferson County1
- Johnson County1
- Macoupin County1
- Marion County1
- Massac County1
- Montgomery County1
- Morgan County1
- Pope County1
- Sangamon County1
- Williamson County1
- Edgar County1
- Iroquois County1
- Vermilion County1
- Adams County1
- Hancock County1
- Knox County1
- McDonough 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.