Alert archive / Tennessee / Flash Flood Warnings / 2021
Flash Flood Warnings in Tennessee, August 2021
24 flash flood warnings in August 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in August 2021. Tap one for its archive.
- Flash Flood Warnings
- 24
- Busiest day
- August 21, 20219 flash flood warnings
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 |
|---|---|---|---|---|
| Jul 31, 10:24 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Williamson | 4 hr |
| Jul 31, 11:10 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Wilson | 3 hr |
| Aug 13, 2:51 PM CDT | Flash Flood Warning | MEG | Fayette, Shelby | 3 hr |
| Aug 13, 3:28 PM CDT | Flash Flood Warning | OHX | Hickman, Humphreys, Perry | 2 hr |
| Aug 14, 7:36 PM CDT | Flash Flood Warning | MRX | Monroe | 3 hr |
| Aug 15, 1:24 PM CDT | Flash Flood Warning | MEG | Hardin | 4 hr |
| Aug 18, 2:33 PM CDT | Flash Flood Warning | OHX | Davidson, Sumner, Wilson | 117 min |
| Aug 18, 5:13 PM CDT | Flash Flood Warning | OHX | Lawrence, Wayne | 3 hr |
| Aug 19, 6:26 PM CDT | Flash Flood Warning | MEG | Shelby | 100 min |
| Aug 21, 3:29 AM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Humphreys | 5 hr |
| Aug 21, 4:49 AM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Houston, Humphreys | 3 hr |
| Aug 21, 6:24 AM CDT | Flash Flood Warning | OHX | Houston, Humphreys, Stewart | 5 hr |
| Aug 21, 6:49 AM CDT | Flash Flood Warning | MEG | Benton, Henry | 4 hr |
| Aug 21, 7:47 AM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Houston, Humphreys | 9 hr |
| Aug 21, 10:12 AM CDT | Flash Flood Warning | OHX | Hickman, Humphreys, Lewis, Maury, Perry | 3 hr |
| Aug 21, 4:55 PM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Houston, Humphreys | 6 hr |
| Aug 21, 5:07 PM CDT | Flash Flood Warning | OHX | Dickson, Houston, Montgomery, Stewart | 4 hr |
| Aug 21, 5:58 PM CDT | Flash Flood Warning | OHX | Cheatham, Dickson, Houston, Montgomery | 3 hr |
| Aug 21, 7:24 PM CDT | Flash Flood Warning | OHX | Marshall, Maury, Williamson | 4 hr |
| Aug 21, 7:43 PM CDT | Flash Flood Warning | OHX | Lewis, Marshall, Maury | 3 hr |
| Aug 25, 3:49 PM CDT | Flash Flood Warning | MRX | Knox, Loudon | 3 hr |
| Aug 30, 5:20 PM CDT | Flash Flood Warning | MRX | Bradley | 115 min |
| Aug 30, 5:37 PM CDT | Flash Flood Warning | OHX | Macon, Smith, Sumner, Trousdale, Wilson | 2 hr |
| Aug 31, 5:41 PM CDT | Flash Flood Warning | MRX | Knox | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Humphreys County7
- Hickman County6
- Dickson County6
- Houston County6
- Davidson County3
- Wilson County3
- Maury County3
- Cheatham County2
- Williamson County2
- Shelby County2
- Perry County2
- Sumner County2
- Stewart County2
- Lewis County2
- Montgomery County2
- Marshall County2
- Knox County2
- Rutherford County1
- Fayette County1
- Monroe County1
- Hardin County1
- Lawrence County1
- Wayne County1
- Benton County1
- Henry County1
- Loudon County1
- Bradley County1
- Macon County1
- Smith County1
- Trousdale County1
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.