Alert archive / Tennessee / Mesoscale Discussions
Mesoscale Discussions in Tennessee, 2020
99 mesoscale discussions in 2020. 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 2020. Tap one for its archive.
- Mesoscale Discussions
- 99
- Busiest month
- March20 mesoscale discussions
- Busiest day
- January 11, 20208 mesoscale discussions
Over time
By month
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 |
|---|---|---|---|---|
| Jan 10, 4:53 AM CST | Mesoscale Discussion | SPC | Shelby | 2 hr |
| Jan 11, 3:52 AM CST | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Hardeman, Haywood, Lauderdale and 3 more | 83 min |
| Jan 11, 5:06 AM CST | Mesoscale Discussion | SPC | Fayette, Hardeman, McNairy | 54 min |
| Jan 11, 6:12 AM CST | Mesoscale Discussion | SPC | Benton, Cheatham, Davidson, Dickson, Giles, Hickman and 14 more | 93 min |
| Jan 11, 8:20 AM CST | Mesoscale Discussion | SPC | Bledsoe, Cannon, Clay, Cumberland, DeKalb, Fentress and 11 more | 55 min |
| Jan 11, 9:28 AM CST | Mesoscale Discussion | SPC | Bedford, Bledsoe, Cannon, Clay, Coffee, Cumberland and 27 more | 92 min |
| Jan 11, 12:20 PM CST | Mesoscale Discussion | SPC | Bledsoe, Bradley, Franklin, Grundy, Hamilton, McMinn and 6 more | 85 min |
| Jan 11, 3:16 PM CST | Mesoscale Discussion | SPC | Anderson, Blount, Bradley, Jefferson, Knox, Loudon and 9 more | 89 min |
| Jan 11, 5:36 PM CST | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Hamblen, Hancock, Hawkins and 4 more | 84 min |
| Jan 15, 3:11 PM CST | Mesoscale Discussion | SPC | Benton, Cheatham, Chester, Davidson, Decatur, Dickson and 19 more | 2 hr |
| Feb 5, 6:33 PM CST | Mesoscale Discussion | SPC | Bedford, Bledsoe, Bradley, Cannon, Coffee, Franklin and 12 more | 117 min |
| Feb 12, 6:00 PM CST | Mesoscale Discussion | SPC | Bedford, Cannon, Coffee, DeKalb, Franklin, Giles and 5 more | 90 min |
| Feb 12, 7:37 PM CST | Mesoscale Discussion | SPC | Anderson, Bledsoe, Bradley, Campbell, Cumberland, Hamilton and 11 more | 83 min |
| Feb 24, 12:20 PM CST | Mesoscale Discussion | SPC | Dyer, Fayette, Haywood, Lake, Lauderdale, Shelby and 1 more | 115 min |
| Mar 2, 3:54 PM CST | Mesoscale Discussion | SPC | Lake, Obion | 2 hr |
| Mar 2, 11:10 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Davidson and 30 more | 2 hr |
| Mar 3, 1:02 AM CST | Mesoscale Discussion | SPC | Clay, Davidson, DeKalb, Fentress, Jackson, Macon and 7 more | 118 min |
| Mar 3, 2:34 AM CST | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Davidson and 21 more | 116 min |
| Mar 12, 11:13 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Crockett, Dickson, Dyer and 11 more | 2 hr |
| Mar 12, 2:31 PM CDT | Mesoscale Discussion | SPC | Lake, Obion | 89 min |
| Mar 12, 5:51 PM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Obion | 84 min |
| Mar 12, 6:20 PM CDT | Mesoscale Discussion | SPC | Pickett | 85 min |
| Mar 19, 11:05 AM CDT | Mesoscale Discussion | SPC | Dyer, Lake, Obion | 115 min |
| Mar 20, 2:22 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Decatur and 17 more | 83 min |
| Mar 22, 11:24 PM CDT | Mesoscale Discussion | SPC | Fayette, Hardeman, Hardin, McNairy, Shelby | 2 hr |
| Mar 24, 11:27 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Davidson and 29 more | 2 hr |
| Mar 24, 2:34 PM CDT | Mesoscale Discussion | SPC | Bedford, Chester, Decatur, Giles, Hardeman, Hardin and 8 more | 116 min |
| Mar 24, 5:35 PM CDT | Mesoscale Discussion | SPC | Giles, Lawrence, Lincoln, Moore | 85 min |
| Mar 24, 7:05 PM CDT | Mesoscale Discussion | SPC | Bradley, Franklin, Hamilton, Marion, Polk | 55 min |
| Mar 24, 9:45 PM CDT | Mesoscale Discussion | SPC | Polk | 60 min |
| Mar 28, 4:59 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 17 more | 61 min |
| Mar 28, 8:25 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Decatur, Dickson and 14 more | 95 min |
| Mar 28, 11:27 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Davidson, DeKalb, Giles and 11 more | 93 min |
| Mar 29, 1:50 AM CDT | Mesoscale Discussion | SPC | Bedford, Bledsoe, Cannon, Clay, Coffee, Cumberland and 27 more | 85 min |
| Apr 8, 3:16 PM CDT | Mesoscale Discussion | SPC | Chester, Decatur, Giles, Hardeman, Hardin, Haywood and 9 more | 89 min |
| Apr 8, 9:52 PM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Cannon and 32 more | 113 min |
| Apr 12, 1:45 PM CDT | Mesoscale Discussion | SPC | Franklin, Giles, Lawrence, Lincoln, Wayne | 90 min |
| Apr 12, 7:41 PM CDT | Mesoscale Discussion | SPC | Polk | 64 min |
| Apr 12, 7:56 PM CDT | Mesoscale Discussion | SPC | Fayette, Lauderdale, Shelby, Tipton | 2 hr |
| Apr 12, 9:44 PM CDT | Mesoscale Discussion | SPC | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 10 more | 91 min |
| Apr 12, 10:17 PM CDT | Mesoscale Discussion | SPC | Blount, Bradley, Cocke, Loudon, McMinn, Meigs and 3 more | 88 min |
| Apr 12, 11:19 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dickson and 21 more | 86 min |
| Apr 25, 2:32 PM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Cannon and 30 more | 88 min |
| Apr 28, 11:12 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 6 more | 63 min |
| May 3, 12:50 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Crockett, Dyer, Gibson, Henry and 8 more | 85 min |
| May 3, 3:08 PM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Benton, Bledsoe, Campbell, Cannon and 61 more | 67 min |
| May 3, 5:35 PM CDT | Mesoscale Discussion | SPC | Clay, Macon, Pickett, Sumner, Trousdale | 55 min |
| May 3, 6:18 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Bledsoe, Cannon, Carroll, Cheatham and 54 more | 57 min |
| May 4, 2:02 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Chester and 35 more | 118 min |
| May 4, 3:44 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Haywood, Lake, Lauderdale and 2 more | 61 min |
| May 4, 6:21 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Bradley, Cannon, Carroll, Cheatham and 40 more | 54 min |
| May 4, 8:16 PM CDT | Mesoscale Discussion | SPC | Bedford, Bledsoe, Bradley, Cannon, Chester, Coffee and 29 more | 89 min |
| May 4, 11:08 PM CDT | Mesoscale Discussion | SPC | Bradley, Hamilton, Polk | 97 min |
| May 5, 2:22 PM CDT | Mesoscale Discussion | SPC | Blount, Bradley, Cocke, Greene, McMinn, Monroe and 3 more | 113 min |
| May 22, 4:29 PM CDT | Mesoscale Discussion | SPC | Chester, Crockett, Decatur, Fayette, Gibson, Hardeman and 12 more | 91 min |
| May 24, 12:44 PM CDT | Mesoscale Discussion | SPC | Carter, Johnson | 2 hr |
| May 28, 12:18 PM CDT | Mesoscale Discussion | SPC | Carroll, Chester, Decatur, Fayette, Hardeman, Hardin and 7 more | 87 min |
| Jun 5, 10:38 AM CDT | Mesoscale Discussion | SPC | Dyer, Fayette, Haywood, Lauderdale, Shelby, Tipton | 2 hr |
| Jun 5, 1:18 PM CDT | Mesoscale Discussion | SPC | Fayette, Hardeman, Haywood, Lauderdale, Madison, Shelby and 1 more | 87 min |
| Jun 8, 5:28 PM CDT | Mesoscale Discussion | SPC | Fayette, Shelby | 2 hr |
| Jun 10, 5:23 PM CDT | Mesoscale Discussion | SPC | Anderson, Blount, Bradley, Campbell, Claiborne, Cocke and 23 more | 97 min |
| Jun 14, 11:34 AM CDT | Mesoscale Discussion | SPC | Blount, Carter, Cocke, Grainger, Greene, Hamblen and 12 more | 116 min |
| Jun 21, 12:00 PM CDT | Mesoscale Discussion | SPC | Anderson, Campbell, Claiborne, Cumberland, Fentress, Grainger and 5 more | 2 hr |
| Jun 22, 2:03 PM CDT | Mesoscale Discussion | SPC | Chester, Fayette, Hardeman, Hardin, McNairy, Shelby | 117 min |
| Jun 23, 12:01 PM CDT | Mesoscale Discussion | SPC | Shelby | 2 hr |
| Jun 28, 11:49 AM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Campbell, Claiborne, Clay and 29 more | 2 hr |
| Jul 1, 2:54 PM CDT | Mesoscale Discussion | SPC | Carroll, Chester, Crockett, Dyer, Fayette, Gibson and 9 more | 66 min |
| Jul 1, 4:46 PM CDT | Mesoscale Discussion | SPC | Fayette, Hardeman, McNairy, Shelby | 119 min |
| Jul 16, 12:26 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Crockett, Dyer, Gibson, Haywood and 12 more | 2 hr |
| Jul 17, 12:47 PM CDT | Mesoscale Discussion | SPC | Anderson, Blount, Campbell, Carter, Claiborne, Cocke and 18 more | 118 min |
| Jul 20, 11:57 AM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 45 more | 2 hr |
| Jul 20, 12:42 PM CDT | Mesoscale Discussion | SPC | Clay, Macon, Montgomery, Pickett, Robertson, Stewart and 1 more | 2 hr |
| Jul 21, 12:00 PM CDT | Mesoscale Discussion | SPC | Bradley, Carter, Cocke, Johnson, Monroe, Polk and 3 more | 2 hr |
| Jul 22, 11:54 AM CDT | Mesoscale Discussion | SPC | Lake | 2 hr |
| Jul 23, 12:11 PM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 26 more | 2 hr |
| Jul 24, 5:09 PM CDT | Mesoscale Discussion | SPC | Blount, Carter, Cocke, Grainger, Greene, Hamblen and 10 more | 66 min |
| Jul 31, 12:21 PM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 49 more | 54 min |
| Jul 31, 6:43 PM CDT | Mesoscale Discussion | SPC | Carter, Greene, Hawkins, Johnson, Sullivan, Unicoi and 1 more | 3 hr |
| Aug 2, 1:18 PM CDT | Mesoscale Discussion | SPC | Carter, Cocke, Johnson, Unicoi, Washington | 57 min |
| Aug 5, 12:37 PM CDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Johnson, Sullivan, Unicoi and 1 more | 113 min |
| Aug 10, 1:17 PM CDT | Mesoscale Discussion | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Cannon and 32 more | 118 min |
| Aug 11, 12:34 PM CDT | Mesoscale Discussion | SPC | Crockett, Fayette, Haywood, Lauderdale, Madison, Shelby and 1 more | 2 hr |
| Aug 27, 2:41 PM CDT | Mesoscale Discussion | SPC | Shelby | 94 min |
| Aug 27, 5:50 PM CDT | Mesoscale Discussion | SPC | Lauderdale, Shelby, Tipton | 115 min |
| Aug 27, 8:29 PM CDT | Mesoscale Discussion | SPC | Dyer, Fayette, Lake, Lauderdale, Shelby, Tipton | 2 hr |
| Aug 28, 6:47 AM CDT | Mesoscale Discussion | SPC | Carroll, Chester, Crockett, Dyer, Fayette, Gibson and 6 more | 88 min |
| Aug 28, 10:09 AM CDT | Mesoscale Discussion | SPC | Decatur, Dickson, Hardin, Hickman, Humphreys, Lawrence and 5 more | 96 min |
| Aug 28, 1:25 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Coffee, DeKalb, Lincoln, Macon and 6 more | 65 min |
| Aug 28, 5:19 PM CDT | Mesoscale Discussion | SPC | Franklin, Grundy, Hamilton, Lincoln, Marion, Moore | 116 min |
| Aug 28, 6:50 PM CDT | Mesoscale Discussion | SPC | Johnson | 2 hr |
| Aug 29, 3:22 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Clay and 37 more | 113 min |
| Aug 29, 3:32 PM CDT | Mesoscale Discussion | SPC | Fayette, Lauderdale, Shelby, Tipton | 88 min |
| Aug 30, 3:15 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Bledsoe, Cannon, Cheatham, Clay and 42 more | 3 hr |
| Aug 31, 12:16 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 16 more | 89 min |
| Sep 1, 2:10 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 4 more | 65 min |
| Sep 1, 5:47 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 5 more | 88 min |
| Sep 2, 12:35 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Fayette, Gibson and 10 more | 2 hr |
| Oct 23, 1:30 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Davidson and 36 more | 3 hr |
| Dec 24, 1:28 PM CST | Mesoscale Discussion | SPC | Carter, Cocke, Grainger, Greene, Hamblen, Hancock and 6 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Shelby County32
- Fayette County31
- Hardeman County27
- Haywood County27
- Lauderdale County27
- Tipton County27
- Dyer County26
- Madison County26
- Crockett County25
- Chester County24
- Humphreys County23
- Decatur County23
- Henderson County23
- Lake County23
- Gibson County23
- McNairy County22
- Perry County22
- Hardin County22
- Obion County22
- Benton County21
- Lawrence County21
- Lincoln County21
- Wayne County21
- Carroll County21
- Houston County20
- Lewis County20
- Maury County20
- Giles County19
- Marshall County19
- Williamson County19
- Cannon County19
- DeKalb County19
- Bedford County19
- Weakley County19
- Dickson County18
- Hickman County18
- Hamilton County18
- Meigs County18
- Moore County18
- Bradley County18
55 more counties
- Polk County18
- Cheatham County17
- Stewart County17
- Bledsoe County17
- Van Buren County17
- Warren County17
- Coffee County17
- Franklin County17
- Marion County17
- Rhea County17
- Cumberland County16
- Morgan County16
- Grundy County16
- Rutherford County16
- McMinn County16
- Davidson County15
- Sumner County15
- Smith County15
- Sequatchie County15
- Monroe County15
- Roane County15
- Henry County15
- Montgomery County14
- Clay County14
- Fentress County14
- Jackson County14
- Overton County14
- Pickett County14
- Putnam County14
- Wilson County14
- Blount County14
- Knox County14
- Loudon County14
- Cocke County14
- Robertson County13
- Macon County13
- White County13
- Anderson County13
- Sevier County13
- Johnson County13
- Scott County12
- Trousdale County12
- Carter County12
- Greene County12
- Unicoi County12
- Washington County12
- Grainger County11
- Sullivan County10
- Jefferson County9
- Union County9
- Hamblen County9
- Hawkins County9
- Campbell County9
- Hancock County8
- Claiborne County8
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.