Alert archive / Tennessee / Flash Flood Warnings / 2021
Flash Flood Warnings in Tennessee, March 2021
68 flash flood warnings in March 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 March 2021. Tap one for its archive.
- Flash Flood Warnings
- 68
- Busiest day
- March 28, 202138 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 |
|---|---|---|---|---|
| Feb 28, 6:00 PM CST | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
| Feb 28, 6:35 PM CST | Flash Flood Warning | MEG | Benton, Henry, Obion, Weakley | 3 hr |
| Feb 28, 6:42 PM CST | Flash Flood Warning | OHX | Cheatham, Davidson, Dickson, Houston, Humphreys, Montgomery and 2 more | 5 hr |
| Feb 28, 7:24 PM CST | Flash Flood Warning | OHX | Dickson, Hickman, Humphreys, Perry | 3 hr |
| Feb 28, 7:26 PM CST | Flash Flood Warning | OHX | Cheatham, Davidson, Macon, Smith, Sumner, Trousdale and 2 more | 4 hr |
| Feb 28, 8:16 PM CST | Flash Flood Warning | OHX | Clay, Jackson, Overton, Pickett | 3 hr |
| Feb 28, 8:23 PM CST | Flash Flood Warning | OHX | Davidson, Maury, Rutherford, Smith, Williamson, Wilson | 3 hr |
| Mar 17, 9:04 AM CDT | Flash Flood Warning | MEG | Fayette, Hardeman, McNairy | 3 hr |
| Mar 17, 11:38 AM CDT | Flash Flood Warning | MEG | Shelby, Tipton | 3 hr |
| Mar 17, 1:54 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 17, 9:19 PM CDT | Flash Flood Warning | HUN | Franklin, Lincoln | 3 hr |
| Mar 25, 10:22 AM CDT | Flash Flood Warning | HUN | Franklin | 3 hr |
| Mar 25, 12:03 PM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, Marion, Sequatchie | 3 hr |
| Mar 25, 3:07 PM CDT | Flash Flood Warning | HUN | Franklin, Lincoln, Moore | 3 hr |
| Mar 25, 4:27 PM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, Marion, Sequatchie | 4 hr |
| Mar 27, 5:13 AM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 27, 5:14 AM CDT | Flash Flood Warning | MEG | Madison | 3 hr |
| Mar 27, 9:33 AM CDT | Flash Flood Warning | MEG | Chester, Decatur, Hardeman, Hardin, Henderson, McNairy | 5 hr |
| Mar 27, 9:36 AM CDT | Flash Flood Warning | MRX | Morgan, Scott | 4 hr |
| Mar 27, 12:14 PM CDT | Flash Flood Warning | OHX | Bedford, Marshall, Maury, Rutherford, Williamson | 3 hr |
| Mar 27, 1:15 PM CDT | Flash Flood Warning | OHX | Bedford, Giles, Marshall, Maury, Rutherford | 3 hr |
| Mar 27, 6:09 PM CDT | Flash Flood Warning | OHX | Hickman, Lewis, Maury, Perry | 3 hr |
| Mar 27, 6:44 PM CDT | Flash Flood Warning | OHX | Maury, Williamson | 3 hr |
| Mar 27, 7:09 PM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 27, 7:35 PM CDT | Flash Flood Warning | OHX | Bedford, Cannon, Rutherford, Williamson | 3 hr |
| Mar 27, 8:23 PM CDT | Flash Flood Warning | MEG | Chester, Henderson, Madison | 6 hr |
| Mar 27, 9:02 PM CDT | Flash Flood Warning | MEG | Decatur | 7 hr |
| Mar 27, 9:02 PM CDT | Flash Flood Warning | OHX | Dickson, Hickman, Humphreys, Lewis, Maury, Perry | 14 hr |
| Mar 27, 9:22 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Dickson, Williamson | 14 hr |
| Mar 27, 9:35 PM CDT | Flash Flood Warning | OHX | Marshall, Maury, Rutherford, Williamson | 13 hr |
| Mar 27, 10:03 PM CDT | Flash Flood Warning | MEG | Benton, Carroll, Decatur, Henderson | 4 hr |
| Mar 27, 10:05 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Dickson, Robertson | 11 hr |
| Mar 27, 10:09 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Wilson | 11 hr |
| Mar 27, 10:13 PM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 27, 10:17 PM CDT | Flash Flood Warning | MEG | Fayette, Shelby | 3 hr |
| Mar 27, 10:17 PM CDT | Flash Flood Warning | OHX | Cannon, DeKalb, Putnam, Smith, Van Buren, Warren and 1 more | 12 hr |
| Mar 27, 10:20 PM CDT | Flash Flood Warning | OHX | Dickson, Houston, Humphreys | 11 hr |
| Mar 27, 10:35 PM CDT | Flash Flood Warning | MEG | Haywood, Madison, Tipton | 3 hr |
| Mar 27, 10:37 PM CDT | Flash Flood Warning | OHX | Bedford, Cannon, Coffee, Rutherford, Warren, Williamson and 1 more | 11 hr |
| Mar 27, 10:49 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 27, 11:08 PM CDT | Flash Flood Warning | OHX | Clay, Jackson, Macon, Putnam, Smith, Sumner and 2 more | 11 hr |
| Mar 27, 11:11 PM CDT | Flash Flood Warning | MEG | Fayette, Hardeman | 3 hr |
| Mar 27, 11:57 PM CDT | Flash Flood Warning | OHX | Clay, Fentress, Overton, Pickett, Putnam | 11 hr |
| Mar 28, 12:04 AM CDT | Flash Flood Warning | OHX | Davidson, Robertson, Sumner, Trousdale, Wilson | 6 hr |
| Mar 28, 12:14 AM CDT | Flash Flood Warning | MRX | Claiborne, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more | 3 hr |
| Mar 28, 12:41 AM CDT | Flash Flood Warning | OHX | Davidson, Williamson, Wilson | 4 hr |
| Mar 28, 1:11 AM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 28, 1:58 AM CDT | Flash Flood Warning | MRX | Carter, Johnson, Sullivan, Washington | 3 hr |
| Mar 28, 3:04 AM CDT | Flash Flood Warning | MRX | Claiborne, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more | 7 hr |
| Mar 28, 3:16 AM CDT | Flash Flood Warning | MRX | Sullivan | 3 hr |
| Mar 28, 4:07 AM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 5 hr |
| Mar 28, 5:36 AM CDT | Flash Flood Warning | MRX | Bledsoe, Marion, Rhea, Sequatchie | 6 hr |
| Mar 28, 5:40 AM CDT | Flash Flood Warning | MRX | Anderson, Knox, Loudon, Morgan, Roane, Union | 5 hr |
| Mar 28, 6:08 AM CDT | Flash Flood Warning | MRX | Sullivan | 6 hr |
| Mar 28, 6:17 AM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, McMinn, Meigs, Rhea, Sequatchie | 6 hr |
| Mar 28, 6:49 AM CDT | Flash Flood Warning | MRX | Grainger, Hamblen, Jefferson, Knox, Sevier | 5 hr |
| Mar 28, 6:52 AM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, Polk | 5 hr |
| Mar 28, 7:03 AM CDT | Flash Flood Warning | MRX | Blount, Knox, Loudon, McMinn, Monroe, Polk and 1 more | 4 hr |
| Mar 28, 7:26 AM CDT | Flash Flood Warning | MRX | Blount, Cocke, Sevier | 5 hr |
| Mar 28, 7:43 AM CDT | Flash Flood Warning | MRX | Greene, Hawkins, Unicoi, Washington | 4 hr |
| Mar 28, 7:45 AM CDT | Flash Flood Warning | MRX | Carter, Johnson | 4 hr |
| Mar 30, 7:56 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 30, 9:54 PM CDT | Flash Flood Warning | MEG | Fayette, Hardeman, Shelby | 3 hr |
| Mar 31, 12:04 AM CDT | Flash Flood Warning | MEG | Hardin, McNairy | 8 hr |
| Mar 31, 1:28 AM CDT | Flash Flood Warning | OHX | Lawrence, Wayne | 8 hr |
| Mar 31, 2:13 AM CDT | Flash Flood Warning | OHX | Giles, Marshall, Maury | 7 hr |
| Mar 31, 7:42 AM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, Marion, Sequatchie | 5 hr |
| Mar 31, 7:52 AM CDT | Flash Flood Warning | HUN | Franklin, Lincoln, Moore | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Williamson County9
- Davidson County8
- Maury County8
- Wilson County7
- Rutherford County7
- Shelby County7
- Union County7
- Dickson County6
- Morgan County6
- Claiborne County6
- Bradley County5
- Hamilton County5
- Sequatchie County5
- Scott County5
- Anderson County5
- Sullivan County5
- Cheatham County4
- Humphreys County4
- Sumner County4
- Smith County4
- Fayette County4
- Hardeman County4
- Franklin County4
- Marion County4
- Bedford County4
- Marshall County4
- Campbell County4
- Robertson County3
- Hickman County3
- Perry County3
- Trousdale County3
- Clay County3
- McNairy County3
- Lincoln County3
- Madison County3
- Decatur County3
- Henderson County3
- Cannon County3
- Putnam County3
- Grainger County3
48 more counties
- Greene County3
- Hamblen County3
- Hawkins County3
- Knox County3
- Sevier County3
- Obion County2
- Benton County2
- Houston County2
- Macon County2
- Jackson County2
- Overton County2
- Pickett County2
- Tipton County2
- Moore County2
- Chester County2
- Hardin County2
- Giles County2
- Lewis County2
- Warren County2
- Hancock County2
- Carter County2
- Johnson County2
- Washington County2
- Rhea County2
- Loudon County2
- McMinn County2
- Polk County2
- Blount County2
- Lake County1
- Henry County1
- Weakley County1
- Montgomery County1
- Carroll County1
- DeKalb County1
- Van Buren County1
- White County1
- Haywood County1
- Coffee County1
- Fentress County1
- Bledsoe County1
- Roane County1
- Meigs County1
- Jefferson County1
- Monroe County1
- Cocke County1
- Unicoi County1
- Lawrence County1
- Wayne 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.