Alert archive / Tennessee / Mesoscale Discussions / 2012
Mesoscale Discussions in Tennessee, September 2012
20 mesoscale discussions in September 2012. 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 September 2012. Tap one for its archive.
- Mesoscale Discussions
- 20
- Busiest day
- September 2, 20125 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 |
|---|---|---|---|---|
| Aug 31, 9:05 PM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Lauderdale, Obion | 55 min |
| Sep 1, 5:43 PM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Lauderdale, Obion, Shelby, Tipton | 92 min |
| Sep 1, 7:56 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Weakley | 94 min |
| Sep 1, 9:59 PM CDT | Mesoscale Discussion | SPC | Chester, Decatur, Hardeman, Henderson, McNairy | 91 min |
| Sep 2, 2:20 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Chester, Clay, Davidson and 32 more | 115 min |
| Sep 2, 5:13 PM CDT | Mesoscale Discussion | SPC | Bradley, Hamilton, Loudon, McMinn, Meigs, Monroe and 2 more | 62 min |
| Sep 2, 6:35 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Clay, Coffee, Davidson, DeKalb and 23 more | 85 min |
| Sep 2, 7:13 PM CDT | Mesoscale Discussion | SPC | Fayette, Giles, Hardeman, Hardin, Lawrence, McNairy and 2 more | 62 min |
| Sep 2, 8:43 PM CDT | Mesoscale Discussion | SPC | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 4 more | 62 min |
| Sep 5, 2:13 PM CDT | Mesoscale Discussion | SPC | Carroll, Crockett, Dyer, Gibson, Haywood, Henderson and 6 more | 2 hr |
| Sep 5, 5:31 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Clay, Crockett and 35 more | 89 min |
| Sep 6, 3:37 PM CDT | Mesoscale Discussion | SPC | Lake, Obion | 83 min |
| Sep 6, 6:29 PM CDT | Mesoscale Discussion | SPC | Henry, Lake, Montgomery, Obion, Stewart, Weakley | 91 min |
| Sep 7, 3:44 PM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Lauderdale, Obion, Weakley | 2 hr |
| Sep 7, 8:24 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Decatur and 24 more | 96 min |
| Sep 7, 11:36 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Clay, Coffee, Davidson and 28 more | 84 min |
| Sep 17, 3:53 PM CDT | Mesoscale Discussion | SPC | Bledsoe, Bradley, Coffee, Franklin, Grundy, Hamilton and 10 more | 97 min |
| Sep 17, 7:14 PM CDT | Mesoscale Discussion | SPC | Blount, Bradley, Hamilton, Knox, Loudon, McMinn and 5 more | 2 hr |
| Sep 26, 1:26 PM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Obion | 94 min |
| Sep 28, 1:36 PM CDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Unicoi, Washington | 114 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lake County8
- Obion County8
- Dyer County7
- Lauderdale County6
- Weakley County6
- Henry County5
- Decatur County5
- Hardeman County5
- Henderson County5
- McNairy County5
- Shelby County4
- Carroll County4
- Chester County4
- Cheatham County4
- Clay County4
- Davidson County4
- Dickson County4
- Fayette County4
- Giles County4
- Hardin County4
- Hickman County4
- Humphreys County4
- Jackson County4
- Lawrence County4
- Lincoln County4
- Macon County4
- Madison County4
- Maury County4
- Moore County4
- Overton County4
- Perry County4
- Robertson County4
- Rutherford County4
- Smith County4
- Sumner County4
- Trousdale County4
- Williamson County4
- Wilson County4
- Bradley County4
- Hamilton County4
41 more counties
- McMinn County4
- Meigs County4
- Polk County4
- Montgomery County4
- Tipton County3
- Bedford County3
- Cannon County3
- DeKalb County3
- Lewis County3
- Marshall County3
- Pickett County3
- Putnam County3
- Wayne County3
- Monroe County3
- Rhea County3
- Coffee County3
- Crockett County3
- Gibson County3
- Haywood County3
- Houston County3
- Stewart County3
- Loudon County2
- Franklin County2
- Grundy County2
- Van Buren County2
- Warren County2
- Bledsoe County2
- Marion County2
- Sequatchie County2
- Benton County2
- Fentress County1
- White County1
- Blount County1
- Knox County1
- Roane County1
- Sevier County1
- Carter County1
- Cocke County1
- Greene County1
- Unicoi County1
- Washington County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.