Alert archive / Tennessee / Jefferson County
Weather alerts in Jefferson County, Tennessee, 2026
97 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 97
- Warnings
- 20
- Watches
- 14
- Advisories
- 30
- Busiest month
- August22 alerts
- Busiest day
- July 28, 20269 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 21, 12:27 PM EST | Winter Storm Watch | MRX | 45 hr |
| Jan 23, 9:54 AM EST | Ice Storm Warning | MRX | 48 hr |
| Jan 24, 1:17 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 6:45 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 11:49 PM EST | Cold Weather Advisory | MRX | 34 hr |
| Jan 25, 12:01 PM EST | Cold Weather Advisory | MRX | 48 hr |
| Jan 25, 1:54 PM EST | Areal Flood Advisory | MRX | 3 hr |
| Jan 29, 2:50 AM EST | Winter Storm Watch | MRX | 10 hr |
| Jan 29, 12:50 PM EST | Winter Storm Warning | MRX | 57 hr |
| Jan 29, 1:00 PM EST | Cold Weather Advisory | MRX | 71 hr |
| Feb 2, 12:39 AM EST | Cold Weather Advisory | MRX | 8 hr |
| Feb 4, 4:01 AM EST | Dense Fog Advisory | MRX | 8 hr |
| Feb 20, 5:50 AM EST | Severe Thunderstorm Warning | MRX | 40 min |
| Feb 26, 3:36 AM EST | Areal Flood Advisory | MRX | 5 hr |
| Mar 9, 3:05 AM EDT | Dense Fog Advisory | MRX | 7 hr |
| Mar 11, 5:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 15, 2:17 PM EDT | Wind Advisory | MRX | 18 hr |
| Mar 16, 12:41 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 16, 3:47 AM EDT | Severe Thunderstorm Warning | MRX | 58 min |
| Mar 16, 4:17 AM EDT | Severe Thunderstorm Warning | MRX | 58 min |
| Mar 16, 4:40 AM EDT | Severe Thunderstorm Warning | MRX | 35 min |
| Mar 16, 5:09 AM EDT | Severe Thunderstorm Warning | MRX | 55 min |
| Mar 21, 3:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 21, 5:08 PM EDT | Severe Thunderstorm Warning | MRX | 39 min |
| Mar 21, 5:55 PM EDT | Special Weather Statement | MRX | 65 min |
| Apr 26, 12:52 AM EDT | Dense Fog Advisory | MRX | 9 hr |
| Apr 29, 2:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 6:15 PM EDT | Special Weather Statement | MRX | 45 min |
| May 24, 12:57 PM EDT | Flood Watch | MRX | 13 hr |
| May 24, 9:36 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 24, 10:23 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 25, 12:13 PM EDT | Flood Watch | MRX | 15 hr |
| May 29, 1:59 PM EDT | Flood Watch | MRX | 24 hr |
| May 30, 6:51 AM EDT | Areal Flood Advisory | MRX | 6 hr |
| Jun 7, 2:09 PM EDT | Flood Watch | MRX | 31 hr |
| Jun 18, 6:31 PM EDT | Severe Thunderstorm Warning | MRX | 32 min |
| Jun 22, 3:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 27, 9:44 AM EDT | Flood Watch | MRX | 28 hr |
| Jun 27, 12:44 PM EDT | Special Weather Statement | MRX | 46 min |
| Jun 28, 9:08 AM EDT | Flash Flood Warning | MRX | 5 hr |
| Jun 28, 9:29 AM EDT | Areal Flood Advisory | MRX | 117 min |
| Jun 28, 11:26 AM EDT | Flash Flood Warning | MRX | 2 hr |
| Jun 28, 1:40 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jun 28, 1:54 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jun 29, 1:34 PM EDT | Heat Advisory | MRX | 5 days |
| Jul 6, 5:02 PM EDT | Areal Flood Advisory | MRX | 118 min |
| Jul 6, 6:05 PM EDT | Areal Flood Advisory | MRX | 115 min |
| Jul 9, 11:44 AM EDT | Flood Watch | MRX | 4 days |
| Jul 11, 7:25 AM EDT | Special Weather Statement | MRX | 50 min |
| Jul 12, 12:00 AM EDT | Flash Flood Warning | MRX | 3 hr |
| Jul 12, 1:07 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 19, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 1:45 PM EDT | Flood Watch | MRX | 54 hr |
| Jul 22, 12:07 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 23, 6:45 AM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jul 27, 2:21 AM EDT | Special Weather Statement | MRX | 39 min |
| Jul 27, 2:52 AM EDT | Special Weather Statement | MRX | 68 min |
| Jul 28, 12:14 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 28, 9:44 AM EDT | Severe Thunderstorm Warning | MRX | 46 min |
| Jul 28, 10:17 AM EDT | Areal Flood Advisory | MRX | 118 min |
| Jul 28, 10:28 AM EDT | Special Weather Statement | MRX | 47 min |
| Jul 28, 12:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 28, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 28, 3:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 5:19 PM EDT | Special Weather Statement | MRX | 56 min |
| Jul 28, 5:46 PM EDT | Severe Thunderstorm Warning | MRX | 44 min |
| Aug 8, 3:16 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 9, 5:04 PM EDT | Special Weather Statement | MRX | 41 min |
| Aug 10, 4:11 AM EDT | Dense Fog Advisory | MRX | 6 hr |
| Aug 11, 4:43 PM EDT | Special Weather Statement | MRX | 47 min |
| Aug 11, 5:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 11, 8:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 8:29 PM EDT | Severe Thunderstorm Warning | MRX | 61 min |
| Aug 11, 9:22 PM EDT | Special Weather Statement | MRX | 53 min |
| Aug 12, 2:38 AM EDT | Flood Watch | MRX | 29 hr |
| Aug 13, 5:09 PM EDT | Special Weather Statement | MRX | 51 min |
| Aug 13, 5:46 PM EDT | Areal Flood Advisory | MRX | 23 min |
| Aug 13, 6:09 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 15, 1:25 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 17, 1:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 4:27 PM EDT | Severe Thunderstorm Warning | MRX | 48 min |
| Aug 17, 4:30 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 4:46 PM EDT | Severe Thunderstorm Warning | MRX | 44 min |
| Aug 17, 5:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 21, 4:31 AM EDT | Special Weather Statement | MRX | 44 min |
| Aug 22, 7:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 2, 12:32 AM EDT | Heat Advisory | MRX | 4 days |
| Sep 5, 12:27 PM EDT | Severe Thunderstorm Warning | MRX | 48 min |
| Sep 13, 3:38 AM EDT | Dense Fog Advisory | MRX | 5 hr |
| Sep 18, 6:29 PM EDT | Special Weather Statement | MRX | 31 min |
| Sep 18, 6:56 PM EDT | Special Weather Statement | MRX | 34 min |
| Sep 18, 7:03 PM EDT | Severe Thunderstorm Warning | MRX | 29 min |
| Sep 18, 7:22 PM EDT | Special Weather Statement | MRX | 23 min |
| Sep 22, 2:50 AM EDT | Special Weather Statement | MRX | 40 min |
| Sep 22, 3:13 AM EDT | Areal Flood Advisory | MRX | 2 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 14 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 17 |
| Flooding | |
| Flash Flood Warning | 4 |
| Flood Watch | 8 |
| Areal Flood Advisory | 18 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Cold Weather Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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. Warning verification from the Mesonet's Cow. Rebuilt daily.