Alert archive / Indiana / Mesoscale Discussions / 2021
Mesoscale Discussions in Indiana, December 2021
9 mesoscale discussions in December 2021. 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 December 2021. Tap one for its archive.
- Mesoscale Discussions
- 9
- Busiest day
- December 11, 20217 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 12:28 AM EST | Mesoscale Discussion | SPC | Crawford, Dubois, Gibson, Perry, Pike, Posey and 3 more | 2 hr |
| Dec 10, 6:52 PM EST | Mesoscale Discussion | SPC | Crawford, Floyd, Harrison, Perry, Spencer | 83 min |
| Dec 10, 8:18 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Boone, Brown, Carroll, Cass and 37 more | 87 min |
| Dec 10, 9:35 PM EST | Mesoscale Discussion | SPC | Harrison | 85 min |
| Dec 10, 10:36 PM EST | Mesoscale Discussion | SPC | Vigo | 54 min |
| Dec 10, 11:25 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more | 95 min |
| Dec 11, 12:08 AM EST | Mesoscale Discussion | SPC | Dearborn, Decatur, Delaware, Fayette, Franklin, Hamilton and 16 more | 67 min |
| Dec 11, 12:28 AM EST | Mesoscale Discussion | SPC | Clay, Daviess, Fountain, Gibson, Greene, Knox and 9 more | 92 min |
| Dec 11, 2:46 AM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Daviess, Dearborn, Decatur, Delaware and 21 more | 59 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Decatur County4
- Delaware County4
- Greene County4
- Hancock County4
- Henry County4
- Jennings County4
- Madison County4
- Marion County4
- Rush County4
- Shelby County4
- Vigo County4
- Bartholomew County3
- Brown County3
- Clay County3
- Daviess County3
- Fountain County3
- Hamilton County3
- Jackson County3
- Johnson County3
- Lawrence County3
- Monroe County3
- Morgan County3
- Owen County3
- Parke County3
- Putnam County3
- Tipton County3
- Vermillion County3
- Fayette County3
- Franklin County3
- Jay County3
- Randolph County3
- Ripley County3
- Wayne County3
- Crawford County2
- Gibson County2
- Perry County2
- Pike County2
- Posey County2
- Spencer County2
- Vanderburgh County2
37 more counties
- Harrison County2
- Benton County2
- Boone County2
- Carroll County2
- Cass County2
- Clinton County2
- Grant County2
- Hendricks County2
- Howard County2
- Knox County2
- Martin County2
- Montgomery County2
- Sullivan County2
- Tippecanoe County2
- Warren County2
- White County2
- Dearborn County2
- Union County2
- Dubois County1
- Warrick County1
- Floyd County1
- Orange County1
- Blackford County1
- Fulton County1
- Huntington County1
- Jasper County1
- Kosciusko County1
- Marshall County1
- Miami County1
- Pulaski County1
- Starke County1
- Wabash County1
- Wells County1
- Whitley County1
- Jefferson County1
- Ohio County1
- Switzerland County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.