Severe Thunderstorm Warnings in Tennessee
21,267 severe thunderstorm warnings since 1986. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 21,267
- Busiest year
- 20111,081 severe thunderstorm warnings
- Average year
- 519over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Davidson County993
- Wilson County913
- Shelby County911
- Williamson County863
- Rutherford County846
- Knox County823
- Sumner County783
- Hamilton County779
- Fayette County762
- Dickson County724
- Tipton County699
- Monroe County687
- Blount County683
- Hickman County682
- Robertson County679
- Maury County656
- Cheatham County655
- McMinn County651
- Hardeman County633
- Lauderdale County624
- Montgomery County621
- Franklin County614
- Anderson County612
- Sevier County601
- Humphreys County591
- Greene County589
- Lincoln County588
- Roane County580
- Lawrence County570
- Bradley County567
- Haywood County564
- Madison County564
- Loudon County559
- Hawkins County551
- McNairy County548
- Jefferson County543
- Smith County541
- Giles County536
- Meigs County535
- Grainger County535
55 more counties
- Putnam County527
- Campbell County522
- Rhea County512
- Sullivan County504
- Henderson County499
- Stewart County496
- Morgan County496
- Marion County495
- Wayne County495
- Gibson County489
- Polk County485
- Union County484
- Carroll County481
- Marshall County480
- Bedford County479
- Claiborne County479
- Jackson County475
- DeKalb County474
- Chester County471
- Warren County469
- Benton County466
- Macon County465
- Scott County458
- Cocke County454
- Overton County453
- Dyer County450
- Coffee County449
- Hardin County442
- Houston County435
- Cannon County433
- Weakley County424
- Bledsoe County413
- White County410
- Lewis County408
- Sequatchie County406
- Hamblen County406
- Decatur County404
- Cumberland County403
- Trousdale County400
- Perry County396
- Washington County396
- Hancock County394
- Obion County389
- Henry County384
- Clay County383
- Fentress County381
- Crockett County371
- Moore County340
- Grundy County313
- Carter County307
- Lake County292
- Pickett County288
- Van Buren County283
- Johnson County261
- Unicoi County232
The latest severe thunderstorm warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 10:45 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 28 min |
| Sep 21, 8:41 PM CDT | Severe Thunderstorm Warning | OHX | Putnam, White | 31 min |
| Sep 21, 7:02 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 43 min |
| Sep 21, 6:37 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 38 min |
| Sep 21, 5:08 PM CDT | Severe Thunderstorm Warning | MRX | Sullivan | 52 min |
| Sep 21, 4:19 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln | 41 min |
| Sep 21, 2:55 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton, Marion | 35 min |
| Sep 21, 2:02 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 43 min |
| Sep 21, 1:26 PM CDT | Severe Thunderstorm Warning | MRX | Morgan | 49 min |
| Sep 20, 5:41 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 49 min |
| Sep 20, 5:05 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Sequatchie | 40 min |
| Sep 20, 4:37 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne, Union | 38 min |
Nearby
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.