Alert archive / Tennessee / Flash Flood Warnings
Flash Flood Warnings in Tennessee, 2020
68 flash flood warnings 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flash Flood Warnings
- 68
- Busiest month
- July21 flash flood warnings
- Busiest day
- February 6, 20207 flash flood warnings
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 11, 9:07 AM CST | Flash Flood Warning | OHX | Lawrence | 3 hr |
| Feb 5, 12:47 PM CST | Flash Flood Warning | MRX | Hamilton, Marion | 3 hr |
| Feb 5, 6:32 PM CST | Flash Flood Warning | OHX | Cumberland, DeKalb, Fentress, Jackson, Overton, Pickett and 2 more | 6 hr |
| Feb 5, 7:34 PM CST | Flash Flood Warning | OHX | Cumberland, DeKalb, Van Buren, Warren, White | 4 hr |
| Feb 5, 7:37 PM CST | Flash Flood Warning | OHX | Clay, DeKalb, Jackson, Macon, Overton, Pickett and 2 more | 4 hr |
| Feb 5, 8:01 PM CST | Flash Flood Warning | OHX | Cannon, DeKalb, Rutherford, Smith, Warren, Wilson | 3 hr |
| Feb 5, 9:56 PM CST | Flash Flood Warning | OHX | Giles, Lawrence, Lewis, Marshall, Maury, Wayne | 3 hr |
| Feb 5, 10:18 PM CST | Flash Flood Warning | HUN | Lincoln | 104 min |
| Feb 6, 2:32 AM CST | Flash Flood Warning | MRX | Polk | 4 hr |
| Mar 3, 1:29 AM CST | Flash Flood Warning | OHX | Cheatham, Davidson, Sumner, Wilson | 2 hr |
| Mar 24, 5:52 PM CDT | Flash Flood Warning | OHX | Giles, Lawrence, Marshall, Maury | 83 min |
| Mar 24, 6:14 PM CDT | Flash Flood Warning | OHX | Davidson, Macon, Smith, Sumner, Trousdale, Wilson | 91 min |
| Mar 29, 12:55 AM CDT | Flash Flood Warning | OHX | Lawrence, Wayne | 3 hr |
| Apr 3, 5:48 PM CDT | Flash Flood Warning | OHX | Cumberland, Putnam | 6 hr |
| Apr 3, 7:09 PM CDT | Flash Flood Warning | OHX | Putnam, White | 6 hr |
| Apr 12, 9:44 PM CDT | Flash Flood Warning | MRX | Marion, Sequatchie | 3 hr |
| Apr 12, 11:59 PM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, Polk | 3 hr |
| Apr 13, 12:14 AM CDT | Flash Flood Warning | MRX | Blount, Knox, Loudon, Monroe, Sevier | 3 hr |
| Apr 13, 12:36 AM CDT | Flash Flood Warning | MRX | McMinn, Monroe | 3 hr |
| Apr 13, 12:46 AM CDT | Flash Flood Warning | MRX | Hamilton, Marion, Sequatchie | 3 hr |
| Apr 13, 3:09 AM CDT | Flash Flood Warning | MRX | Carter, Johnson, Unicoi, Washington | 3 hr |
| Apr 13, 4:22 AM CDT | Flash Flood Warning | MRX | Blount, Sevier | 3 hr |
| May 4, 6:53 PM CDT | Flash Flood Warning | MEG | Carroll, Crockett, Dyer, Gibson, Henderson, Lauderdale and 1 more | 3 hr |
| May 24, 4:26 PM CDT | Flash Flood Warning | OHX | Wayne | 2 hr |
| Jun 9, 8:57 AM CDT | Flash Flood Warning | MEG | Fayette, Shelby | 3 hr |
| Jun 9, 10:17 AM CDT | Flash Flood Warning | MEG | Chester, Decatur, Hardeman, Hardin, Henderson, McNairy | 3 hr |
| Jun 28, 1:44 AM CDT | Flash Flood Warning | OHX | Clay, Jackson, Overton, Pickett | 2 hr |
| Jun 29, 7:06 PM CDT | Flash Flood Warning | MRX | Anderson, Knox | 3 hr |
| Jun 29, 7:47 PM CDT | Flash Flood Warning | MRX | Blount | 3 hr |
| Jun 30, 10:00 PM CDT | Flash Flood Warning | OHX | Perry, Wayne | 3 hr |
| Jul 1, 1:42 AM CDT | Flash Flood Warning | MEG | Chester, Madison | 3 hr |
| Jul 1, 1:56 AM CDT | Flash Flood Warning | MEG | Chester, Hardin, McNairy | 3 hr |
| Jul 1, 4:24 AM CDT | Flash Flood Warning | MEG | Chester, Hardin, McNairy, Madison | 5 hr |
| Jul 1, 6:01 PM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Scott | 3 hr |
| Jul 1, 7:51 PM CDT | Flash Flood Warning | MRX | Campbell, Scott | 83 min |
| Jul 1, 8:02 PM CDT | Flash Flood Warning | MRX | Blount, Knox, Sevier | 84 min |
| Jul 4, 9:20 PM CDT | Flash Flood Warning | OHX | Davidson, Williamson | 3 hr |
| Jul 4, 9:21 PM CDT | Flash Flood Warning | OHX | Rutherford, Williamson | 3 hr |
| Jul 5, 6:28 PM CDT | Flash Flood Warning | OHX | Marshall | 2 hr |
| Jul 12, 5:29 AM CDT | Flash Flood Warning | OHX | Dickson, Houston, Humphreys, Stewart | 3 hr |
| Jul 12, 6:40 AM CDT | Flash Flood Warning | OHX | Hickman, Humphreys, Lewis, Maury, Perry | 3 hr |
| Jul 12, 8:26 AM CDT | Flash Flood Warning | MEG | Benton, Carroll, Henry, Weakley | 3 hr |
| Jul 20, 6:55 PM CDT | Flash Flood Warning | OHX | Sumner, Wilson | 2 hr |
| Jul 21, 8:53 PM CDT | Flash Flood Warning | OHX | Fentress, Overton, Pickett | 3 hr |
| Jul 23, 1:53 PM CDT | Flash Flood Warning | OHX | Wayne | 112 min |
| Jul 24, 12:33 PM CDT | Flash Flood Warning | OHX | Cumberland | 117 min |
| Jul 24, 1:52 PM CDT | Flash Flood Warning | OHX | Davidson | 113 min |
| Jul 25, 2:42 PM CDT | Flash Flood Warning | MRX | Knox, Sevier | 2 hr |
| Jul 25, 5:38 PM CDT | Flash Flood Warning | MRX | Sullivan, Washington | 3 hr |
| Jul 25, 6:34 PM CDT | Flash Flood Warning | MRX | Carter | 3 hr |
| Aug 6, 12:11 PM CDT | Flash Flood Warning | MRX | Bledsoe, Rhea | 3 hr |
| Aug 11, 2:18 PM CDT | Flash Flood Warning | OHX | Lawrence | 86 min |
| Aug 23, 7:23 PM CDT | Flash Flood Warning | MRX | Meigs, Rhea, Roane | 82 min |
| Aug 27, 8:53 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Aug 30, 3:05 AM CDT | Flash Flood Warning | MEG | Haywood, Tipton | 3 hr |
| Aug 30, 9:38 PM CDT | Flash Flood Warning | OHX | Overton | 3 hr |
| Aug 30, 10:51 PM CDT | Flash Flood Warning | OHX | Jackson, Putnam, Smith | 3 hr |
| Sep 1, 4:55 PM CDT | Flash Flood Warning | MEG | Benton, Decatur | 2 hr |
| Sep 1, 5:27 PM CDT | Flash Flood Warning | OHX | Maury, Williamson | 4 hr |
| Sep 1, 5:53 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Williamson | 4 hr |
| Sep 12, 12:56 PM CDT | Flash Flood Warning | MEG | Fayette | 2 hr |
| Sep 12, 4:02 PM CDT | Flash Flood Warning | MEG | McNairy | 3 hr |
| Sep 13, 7:32 AM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Williamson, Wilson | 6 hr |
| 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, 11:54 AM CDT | Flash Flood Warning | OHX | Giles, Marshall, Maury | 3 hr |
| Oct 23, 4:58 PM CDT | Flash Flood Warning | MEG | Carroll | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Davidson County7
- Lawrence County6
- Maury County6
- Williamson County6
- Overton County5
- Putnam County5
- Rutherford County5
- Wilson County5
- Wayne County5
- Cumberland County4
- DeKalb County4
- Jackson County4
- Pickett County4
- Smith County4
- Giles County4
- Marshall County4
- Sumner County4
- Blount County4
- Knox County4
- Sevier County4
- Chester County4
- McNairy County4
- Hamilton County3
- Marion County3
- White County3
- Lewis County3
- Carroll County3
- Madison County3
- Hardin County3
- Fentress County2
- Warren County2
- Clay County2
- Macon County2
- Polk County2
- Trousdale County2
- Sequatchie County2
- Monroe County2
- Carter County2
- Washington County2
- Henderson County2
36 more counties
- Fayette County2
- Shelby County2
- Decatur County2
- Anderson County2
- Perry County2
- Campbell County2
- Scott County2
- Humphreys County2
- Benton County2
- Rhea County2
- Van Buren County1
- Cannon County1
- Lincoln County1
- Cheatham County1
- Bradley County1
- Loudon County1
- McMinn County1
- Johnson County1
- Unicoi County1
- Crockett County1
- Dyer County1
- Gibson County1
- Lauderdale County1
- Hardeman County1
- Dickson County1
- Houston County1
- Stewart County1
- Hickman County1
- Henry County1
- Weakley County1
- Sullivan County1
- Bledsoe County1
- Meigs County1
- Roane County1
- Haywood County1
- Tipton County1
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. Rebuilt daily.