Alert archive / Tennessee / Flash Flood Watches
Flash Flood Watches in Tennessee, 2021
33 flash flood watches in 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Flash Flood Watches
- 33
- Busiest month
- March13 flash flood watches
- Busiest day
- March 30, 20213 flash flood watches
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 |
|---|---|---|---|---|
| Feb 28, 2:50 AM CST | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 29 hr |
| Mar 17, 4:17 PM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 8 hr |
| Mar 17, 4:32 PM CDT | Flash Flood Watch | MRX | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 3 more | 14 hr |
| Mar 24, 1:43 PM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 33 hr |
| Mar 24, 1:53 PM CDT | Flash Flood Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Hamilton, Jefferson and 12 more | 37 hr |
| Mar 24, 8:08 PM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 27 hr |
| Mar 26, 5:58 PM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 42 hr |
| Mar 26, 6:10 PM CDT | Flash Flood Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 44 hr |
| Mar 27, 1:28 AM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 31 hr |
| Mar 27, 2:44 AM CDT | Flash Flood Watch | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 24 hr |
| Mar 29, 6:09 PM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 39 hr |
| Mar 30, 2:46 AM CDT | Flash Flood Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 35 hr |
| Mar 30, 12:32 PM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 23 hr |
| Mar 30, 1:39 PM CDT | Flash Flood Watch | MEG | Benton, Carroll, Chester, Decatur, Fayette, Hardeman and 4 more | 19 hr |
| Jun 11, 2:58 AM CDT | Flash Flood Watch | MRX | Anderson, Blount, Campbell, Carter, Claiborne, Cocke and 14 more | 18 hr |
| Jun 30, 1:50 PM CDT | Flash Flood Watch | MRX | Anderson, Blount, Campbell, Carter, Claiborne, Cocke and 17 more | 39 hr |
| Jul 19, 2:04 AM CDT | Flash Flood Watch | OHX | Giles, Lawrence, Wayne | 34 min |
| Jul 19, 2:38 AM CDT | Flash Flood Watch | OHX | Giles, Lawrence, Wayne | 15 hr |
| Jul 19, 9:19 AM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 34 hr |
| Aug 16, 1:38 PM CDT | Flash Flood Watch | MRX | Blount, Bradley, Carter, Cocke, Grainger, Greene and 16 more | 33 hr |
| Aug 20, 4:55 PM CDT | Flash Flood Watch | OHX | Bedford, Cheatham, Dickson, Giles, Hickman, Houston and 10 more | 30 hr |
| Aug 28, 2:42 PM CDT | Flash Flood Watch | MEG | Benton, Carroll, Chester, Crockett, Decatur, Fayette and 12 more | 66 hr |
| Aug 29, 4:12 AM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 62 hr |
| Aug 29, 4:49 AM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 62 hr |
| Aug 30, 2:35 AM CDT | Flash Flood Watch | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 48 hr |
| Sep 15, 5:55 AM CDT | Flash Flood Watch | OHX | Cheatham, Clay, Davidson, Dickson, Giles, Hickman and 19 more | 10 hr |
| Sep 18, 2:24 AM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 65 hr |
| Sep 18, 2:24 AM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 65 hr |
| Sep 18, 6:24 AM CDT | Flash Flood Watch | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 14 more | 56 hr |
| Sep 19, 2:12 AM CDT | Flash Flood Watch | MRX | Bledsoe, Bradley, Hamilton, Marion, Meigs, Rhea and 1 more | 47 hr |
| Oct 4, 4:38 AM CDT | Flash Flood Watch | HUN | Franklin, Lincoln, Moore | 3 days |
| Oct 5, 1:57 PM CDT | Flash Flood Watch | MRX | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 4 more | 41 hr |
| Oct 6, 3:06 AM CDT | Flash Flood Watch | OHX | Bedford, Coffee, Cumberland, Giles, Grundy, Lawrence and 4 more | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Giles County10
- Lawrence County10
- Wayne County10
- Franklin County9
- Lincoln County9
- Moore County9
- Bradley County8
- Hamilton County8
- Marion County8
- Marshall County8
- Bledsoe County7
- McMinn County7
- Meigs County7
- Polk County7
- Rhea County7
- Sequatchie County7
- Blount County7
- Jefferson County7
- Knox County7
- Sevier County7
- Bedford County7
- Cheatham County7
- Dickson County7
- Hickman County7
- Houston County7
- Humphreys County7
- Lewis County7
- Maury County7
- Montgomery County7
- Perry County7
- Stewart County7
- Williamson County7
- Anderson County6
- Loudon County6
- Monroe County6
- Clay County6
- Coffee County6
- Cumberland County6
- Davidson County6
- Grundy County6
55 more counties
- Jackson County6
- Macon County6
- Robertson County6
- Rutherford County6
- Smith County6
- Sumner County6
- Trousdale County6
- Van Buren County6
- Warren County6
- Wilson County6
- Carter County6
- Cocke County6
- Grainger County6
- Greene County6
- Hamblen County6
- Hancock County6
- Hawkins County6
- Johnson County6
- Sullivan County6
- Unicoi County6
- Washington County6
- Morgan County5
- Roane County5
- Cannon County5
- DeKalb County5
- Fentress County5
- Overton County5
- Pickett County5
- Putnam County5
- White County5
- Campbell County5
- Claiborne County5
- Scott County5
- Union County5
- Benton County4
- Carroll County4
- Chester County4
- Decatur County4
- Fayette County4
- Hardeman County4
- Hardin County4
- Henderson County4
- McNairy County4
- Madison County4
- Crockett County3
- Gibson County3
- Haywood County3
- Henry County3
- Lauderdale County3
- Shelby County3
- Tipton County3
- Weakley County3
- Dyer County2
- Obion County2
- Lake County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.