Alert archive / Tennessee / 2020
Weather alerts in Tennessee, September 2020
138 weather alerts in September 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2020. Tap one for its archive.
- Alerts
- 138
- Warnings
- 27
- Watches
- 9
- Advisories
- 50
- Busiest day
- September 1, 202040 alerts
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, 7:12 PM CDT | Areal Flood Advisory | MRX | McMinn | 103 min |
| Sep 1, 4:59 AM CDT | Dense Fog Advisory | MEG | Benton, Carroll, Chester, Decatur, Gibson, Hardeman and 7 more | 4 hr |
| Sep 1, 9:49 AM CDT | Flash Flood Watch | MEG | Benton, Carroll, Crockett, Dyer, Gibson, Henry and 4 more | 41 hr |
| Sep 1, 11:06 AM CDT | Special Weather Statement | MEG | Dyer | 24 min |
| Sep 1, 12:11 PM CDT | Areal Flood Advisory | MEG | Dyer, Gibson, Lake, Obion | 2 hr |
| Sep 1, 12:21 PM CDT | Special Weather Statement | MEG | Gibson, Weakley | 39 min |
| Sep 1, 12:58 PM CDT | Special Weather Statement | MEG | Henry, Weakley | 47 min |
| Sep 1, 1:02 PM CDT | Areal Flood Advisory | MEG | Carroll, Gibson, Henry, Weakley | 3 hr |
| Sep 1, 1:41 PM CDT | Special Weather Statement | MEG | Benton, Carroll, Henry | 49 min |
| Sep 1, 1:50 PM CDT | Special Weather Statement | OHX | Stewart | 40 min |
| Sep 1, 2:10 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 4 more | 65 min |
| Sep 1, 2:20 PM CDT | Areal Flood Advisory | MEG | Benton, Carroll, Gibson, Henry | 3 hr |
| Sep 1, 2:36 PM CDT | Special Weather Statement | OHX | Humphreys | 39 min |
| Sep 1, 2:49 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Humphreys | 41 min |
| Sep 1, 3:31 PM CDT | Special Weather Statement | OHX | Dickson | 29 min |
| Sep 1, 3:36 PM CDT | Special Weather Statement | OHX | Giles, Lawrence | 39 min |
| Sep 1, 3:52 PM CDT | Areal Flood Advisory | OHX | Hickman, Humphreys, Perry | 3 hr |
| Sep 1, 3:52 PM CDT | Areal Flood Advisory | OHX | Lawrence | 113 min |
| Sep 1, 3:59 PM CDT | Special Weather Statement | OHX | Dickson | 46 min |
| Sep 1, 4:14 PM CDT | Special Weather Statement | HUN | Franklin | 46 min |
| Sep 1, 4:22 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Dickson, Hickman, Maury, Williamson | 38 min |
| Sep 1, 4:28 PM CDT | Tornado Warning | OHX | Williamson | 32 min |
| Sep 1, 4:51 PM CDT | Special Weather Statement | OHX | Rutherford | 39 min |
| Sep 1, 4:55 PM CDT | Flash Flood Warning | MEG | Benton, Decatur | 2 hr |
| Sep 1, 4:56 PM CDT | Special Weather Statement | HUN | Franklin | 34 min |
| Sep 1, 4:57 PM CDT | Severe Thunderstorm Warning | OHX | Rutherford, Williamson | 33 min |
| Sep 1, 5:01 PM CDT | Special Weather Statement | OHX | Rutherford | 44 min |
| Sep 1, 5:16 PM CDT | Areal Flood Advisory | OHX | Davidson, Rutherford, Williamson | 3 hr |
| Sep 1, 5:18 PM CDT | Tornado Warning | MEG | Lake | 27 min |
| Sep 1, 5:21 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Wilson | 39 min |
| Sep 1, 5:26 PM CDT | Special Weather Statement | MRX | Marion | 49 min |
| Sep 1, 5:27 PM CDT | Flash Flood Warning | OHX | Maury, Williamson | 4 hr |
| Sep 1, 5:35 PM CDT | Tornado Warning | MEG | Lake, Obion | 25 min |
| Sep 1, 5:39 PM CDT | Special Weather Statement | OHX | Wilson | 36 min |
| Sep 1, 5:47 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 5 more | 88 min |
| Sep 1, 5:53 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Williamson | 4 hr |
| Sep 1, 5:55 PM CDT | Tornado Warning | MEG | Obion | 24 min |
| Sep 1, 5:59 PM CDT | Severe Thunderstorm Warning | OHX | Macon, Smith, Trousdale, Wilson | 46 min |
| Sep 1, 6:13 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Crockett, Dyer, Fayette, Gibson, Hardeman and 8 more | 4 hr |
| Sep 1, 6:14 PM CDT | Areal Flood Advisory | OHX | Wilson | 2 hr |
| Sep 1, 7:11 PM CDT | Areal Flood Advisory | OHX | Cumberland, Putnam, Van Buren, White | 2 hr |
| Sep 1, 9:55 PM CDT | River Flood Warning | OHX | Davidson | 95 min |
| Sep 2, 12:35 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Chester, Crockett, Fayette, Gibson and 10 more | 2 hr |
| Sep 2, 1:18 PM CDT | Areal Flood Advisory | MEG | Carroll, Gibson, Weakley | 3 hr |
| Sep 2, 1:53 PM CDT | Special Weather Statement | MRX | Hawkins | 52 min |
| Sep 2, 2:22 PM CDT | Special Weather Statement | MRX | Sullivan | 38 min |
| Sep 2, 2:48 PM CDT | Special Weather Statement | OHX | Dickson | 27 min |
| Sep 2, 3:16 PM CDT | Special Weather Statement | OHX | Dickson | 44 min |
| Sep 2, 3:39 PM CDT | Areal Flood Advisory | OHX | Dickson, Hickman, Humphreys, Perry | 3 hr |
| Sep 2, 4:24 PM CDT | Special Weather Statement | MRX | Claiborne | 51 min |
| Sep 2, 5:58 PM CDT | Areal Flood Advisory | MEG | Benton, Decatur | 3 hr |
| Sep 2, 6:16 PM CDT | Areal Flood Advisory | OHX | Stewart | 119 min |
| Sep 2, 6:18 PM CDT | Special Weather Statement | OHX | Stewart | 42 min |
| Sep 2, 7:01 PM CDT | Special Weather Statement | OHX | Montgomery | 29 min |
| Sep 2, 7:54 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 51 min |
| Sep 2, 8:38 PM CDT | Special Weather Statement | MEG | Fayette | 37 min |
| Sep 2, 9:03 PM CDT | Special Weather Statement | MEG | Hardeman | 27 min |
| Sep 2, 9:29 PM CDT | Special Weather Statement | MEG | Chester, Hardeman, McNairy | 46 min |
| Sep 2, 10:03 PM CDT | Special Weather Statement | MEG | Henderson | 42 min |
| Sep 2, 10:21 PM CDT | Areal Flood Advisory | MEG | Madison | 68 min |
| Sep 3, 12:04 PM CDT | Special Weather Statement | MRX | Campbell, Morgan, Union | 41 min |
| Sep 3, 12:22 PM CDT | Special Weather Statement | MRX | Rhea | 38 min |
| Sep 3, 12:42 PM CDT | Special Weather Statement | MRX | Anderson, Claiborne, Grainger, Hancock, Knox, Union | 48 min |
| Sep 3, 12:58 PM CDT | Special Weather Statement | MRX | Loudon, Roane | 47 min |
| Sep 3, 1:26 PM CDT | Special Weather Statement | MRX | Grainger, Hamblen, Hancock, Hawkins, Knox | 49 min |
| Sep 3, 1:41 PM CDT | Special Weather Statement | MRX | Blount, Loudon | 49 min |
| Sep 3, 2:05 PM CDT | Special Weather Statement | MRX | Blount, Greene, Hamblen, Hawkins, Jefferson, Knox and 2 more | 55 min |
| Sep 3, 2:24 PM CDT | Severe Thunderstorm Warning | MRX | Blount, Cocke, Jefferson, Knox, Sevier | 34 min |
| Sep 3, 2:53 PM CDT | Special Weather Statement | MRX | Greene | 37 min |
| Sep 3, 3:01 PM CDT | Special Weather Statement | MRX | Cocke | 44 min |
| Sep 3, 5:11 PM CDT | Special Weather Statement | MRX | Claiborne | 19 min |
| Sep 3, 5:13 PM CDT | Special Weather Statement | MRX | Claiborne, Grainger, Hancock, Union | 47 min |
| Sep 4, 3:53 PM CDT | Special Weather Statement | OHX | Coffee | 52 min |
| Sep 4, 4:15 PM CDT | Special Weather Statement | OHX | Cumberland | 45 min |
| Sep 4, 5:28 PM CDT | Special Weather Statement | MRX | Jefferson | 47 min |
| Sep 4, 5:36 PM CDT | Special Weather Statement | MRX | Blount | 39 min |
| Sep 12, 10:07 AM CDT | Areal Flood Advisory | MEG | Decatur | 68 min |
| Sep 12, 11:19 AM CDT | Areal Flood Advisory | MEG | Chester, Decatur, Henderson, Madison | 86 min |
| Sep 12, 12:33 PM CDT | Areal Flood Advisory | OHX | Hickman, Lewis | 117 min |
| Sep 12, 12:43 PM CDT | Areal Flood Advisory | MEG | Fayette, Hardeman, Haywood | 32 min |
| Sep 12, 12:56 PM CDT | Flash Flood Warning | MEG | Fayette | 2 hr |
| Sep 12, 1:28 PM CDT | Areal Flood Advisory | OHX | Dickson, Hickman, Lewis, Maury, Williamson | 2 hr |
| Sep 12, 2:14 PM CDT | Areal Flood Advisory | OHX | Lewis, Perry, Wayne | 3 hr |
| Sep 12, 2:38 PM CDT | Areal Flood Advisory | MEG | Chester, Fayette, Hardeman, McNairy, Madison | 100 min |
| Sep 12, 2:47 PM CDT | Areal Flood Advisory | MEG | Hardin | 118 min |
| Sep 12, 4:02 PM CDT | Flash Flood Warning | MEG | McNairy | 3 hr |
| Sep 12, 4:37 PM CDT | Areal Flood Advisory | MEG | Chester, Henderson, McNairy | 53 min |
| Sep 12, 5:15 PM CDT | Areal Flood Advisory | OHX | Trousdale | 2 hr |
| Sep 13, 2:59 AM CDT | Dense Fog Advisory | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 6 hr |
| Sep 13, 3:48 AM CDT | Flash Flood Watch | MEG | Chester, Decatur, Fayette, Hardeman, Hardin, Henderson and 2 more | 11 hr |
| Sep 13, 4:07 AM CDT | Flash Flood Watch | OHX | Bedford, Clay, Davidson, Giles, Hickman, Jackson and 16 more | 13 hr |
| Sep 13, 4:23 AM CDT | Flash Flood Watch | HUN | Lincoln, Moore | 13 hr |
| Sep 13, 6:28 AM CDT | Areal Flood Advisory | OHX | Hickman, Lewis, Perry, Wayne | 3 hr |
| Sep 13, 6:31 AM CDT | Areal Flood Advisory | MEG | Decatur, Hardin, Henderson | 3 hr |
| Sep 13, 7:00 AM CDT | Areal Flood Advisory | OHX | Davidson, Rutherford, Williamson, Wilson | 3 hr |
| Sep 13, 7:32 AM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Williamson, Wilson | 6 hr |
| Sep 13, 7:37 AM CDT | Areal Flood Advisory | OHX | Hickman, Lewis, Maury, Williamson | 113 min |
| Sep 13, 8:26 AM CDT | River Flood Warning | OHX | Davidson | 10 hr |
| Sep 13, 9:16 AM CDT | Areal Flood Advisory | OHX | Macon, Sumner, Trousdale, Wilson | 119 min |
| Sep 13, 9:38 AM CDT | Areal Flood Advisory | MEG | Decatur, Hardin, McNairy | 112 min |
| Sep 13, 9:51 AM CDT | Flash Flood Warning | OHX | Giles, Lawrence, Lewis, Maury | 8 hr |
| Sep 13, 9:55 AM CDT | Flash Flood Warning | OHX | Sumner, Trousdale | 3 hr |
| Sep 13, 10:29 AM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Williamson | 7 hr |
| Sep 13, 10:42 AM CDT | River Flood Warning | OHX | Davidson | 13 hr |
| Sep 13, 11:19 AM CDT | River Flood Warning | OHX | Davidson | 14 hr |
| Sep 13, 11:50 AM CDT | Areal Flood Advisory | OHX | Lawrence, Lewis, Wayne | 4 hr |
| Sep 13, 11:54 AM CDT | Flash Flood Warning | OHX | Giles, Marshall, Maury | 3 hr |
| Sep 13, 12:08 PM CDT | Areal Flood Advisory | MEG | Hardin, McNairy | 105 min |
| Sep 13, 1:58 PM CDT | Special Weather Statement | MRX | Scott | 47 min |
| Sep 13, 2:30 PM CDT | Areal Flood Advisory | MRX | Campbell, Morgan, Scott | 3 hr |
| Sep 13, 2:54 PM CDT | Special Weather Statement | MRX | Campbell | 51 min |
| Sep 13, 2:57 PM CDT | Areal Flood Advisory | MRX | Bledsoe, Rhea | 2 hr |
| Sep 13, 3:09 PM CDT | Areal Flood Advisory | OHX | Giles, Lawrence, Marshall, Wayne | 4 hr |
| Sep 13, 3:17 PM CDT | Special Weather Statement | MRX | Union | 43 min |
| Sep 13, 3:45 PM CDT | Areal Flood Advisory | MRX | Loudon, McMinn, Roane | 2 hr |
| Sep 13, 4:25 PM CDT | Areal Flood Advisory | MRX | Grainger, Hamblen, Hancock, Hawkins | 2 hr |
| Sep 13, 4:51 PM CDT | Special Weather Statement | MRX | Sullivan | 54 min |
| Sep 13, 4:54 PM CDT | Areal Flood Advisory | MRX | Loudon, McMinn, Monroe | 2 hr |
| Sep 13, 5:27 PM CDT | Special Weather Statement | MRX | Cocke | 48 min |
| Sep 13, 11:51 PM CDT | Dense Fog Advisory | OHX | Bedford, Cannon, Cheatham, Clay, Davidson, DeKalb and 22 more | 9 hr |
| Sep 14, 3:37 AM CDT | River Flood Advisory | OHX | Lawrence | 9 hr |
| Sep 14, 8:19 AM CDT | River Flood Advisory | OHX | Perry, Wayne | 14 hr |
| Sep 14, 12:06 PM CDT | River Flood Advisory | OHX | Humphreys, Perry | 19 hr |
| Sep 14, 7:48 PM CDT | River Flood Advisory | OHX | Humphreys | 22 hr |
| Sep 15, 7:04 AM CDT | River Flood Warning | OHX | Humphreys, Perry | 28 hr |
| Sep 15, 2:37 PM CDT | Flash Flood Watch | MRX | Polk | 47 hr |
| Sep 16, 2:00 AM CDT | River Flood Advisory | OHX | Perry | 7 hr |
| Sep 23, 2:39 PM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 31 hr |
| Sep 23, 2:45 PM CDT | Flood Watch | OHX | Bedford, Coffee, Giles, Grundy, Lawrence, Marshall and 3 more | 31 hr |
| Sep 23, 2:57 PM CDT | Flood Watch | MRX | Bledsoe, Hamilton, Marion, Meigs, Rhea, Sequatchie | 33 hr |
| Sep 26, 2:21 AM CDT | Dense Fog Advisory | OHX | Cheatham, Clay, Cumberland, Davidson, DeKalb, Fentress and 14 more | 7 hr |
| Sep 27, 2:43 AM CDT | Dense Fog Advisory | MRX | Anderson, Bledsoe, Blount, Campbell, Claiborne, Cocke and 17 more | 6 hr |
| Sep 28, 3:58 PM CDT | Severe Thunderstorm Warning | OHX | Grundy | 18 min |
| Sep 28, 4:12 PM CDT | Special Weather Statement | MRX | Sequatchie | 48 min |
| Sep 28, 4:40 PM CDT | Special Weather Statement | MRX | Sequatchie | 50 min |
| Sep 28, 4:57 PM CDT | Special Weather Statement | MRX | Sequatchie | 48 min |
| Sep 28, 11:52 PM CDT | Dense Fog Advisory | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 9 hr |
| Sep 29, 1:21 AM CDT | Dense Fog Advisory | HUN | Franklin, Lincoln, Moore | 7 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 8 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 49 |
| Flooding | |
| Flash Flood Warning | 10 |
| River Flood Warning | 5 |
| Flash Flood Watch | 6 |
| Flood Watch | 2 |
| Areal Flood Advisory | 38 |
| River Flood Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Davidson County15
- Williamson County15
- Rutherford County13
- Gibson County12
- Fayette County11
- Hickman County11
- Perry County11
- Wilson County11
- Weakley County10
- Humphreys County10
- Lawrence County10
- Lewis County10
- Carroll County9
- Decatur County9
- Hardeman County9
- Henry County9
- McNairy County9
- Obion County9
- Dickson County9
- Maury County9
- Wayne County9
- Benton County8
- Chester County8
- Henderson County8
- Madison County8
- Giles County8
- Trousdale County8
- Hardin County7
- Dyer County7
- Lake County7
- Crockett County6
- Haywood County6
- Shelby County6
- Macon County6
- Loudon County6
- Marshall County6
- Sumner County6
- Lauderdale County5
- Tipton County5
- Smith County5
50 more counties
- Putnam County5
- Hawkins County5
- Claiborne County5
- Union County5
- Grainger County5
- Hancock County5
- Knox County5
- Blount County5
- McMinn County4
- Stewart County4
- Franklin County4
- Cumberland County4
- Van Buren County4
- Campbell County4
- Rhea County4
- Hamblen County4
- Jefferson County4
- Cocke County4
- Bedford County4
- Clay County4
- Jackson County4
- Overton County4
- Pickett County4
- Sequatchie County4
- White County3
- Morgan County3
- Roane County3
- Greene County3
- Sevier County3
- Coffee County3
- Lincoln County3
- Moore County3
- Scott County3
- Bledsoe County3
- Cheatham County3
- DeKalb County3
- Robertson County3
- Grundy County3
- Marion County2
- Houston County2
- Sullivan County2
- Montgomery County2
- Anderson County2
- Monroe County2
- Cannon County2
- Warren County2
- Meigs County2
- Fentress County2
- Polk County1
- Hamilton County1
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. Rebuilt daily.