Alert archive / Tennessee / Johnson County / 2026
Weather alerts in Johnson County, Tennessee, August 2026
33 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 33
- Warnings
- 7
- Watches
- 3
- Advisories
- 9
- Busiest day
- August 17, 202612 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Aug 2, 1:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 10:56 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 4, 4:44 PM EDT | Areal Flood Advisory | MRX | 113 min |
| Aug 11, 2:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 11, 3:40 PM EDT | Special Weather Statement | MRX | 50 min |
| Aug 11, 4:07 PM EDT | Severe Thunderstorm Warning | MRX | 38 min |
| Aug 11, 4:17 PM EDT | Areal Flood Advisory | MRX | 118 min |
| Aug 11, 4:39 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 11, 4:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| 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, 7:50 PM EDT | Severe Thunderstorm Warning | MRX | 55 min |
| Aug 11, 8:24 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| Aug 12, 2:38 AM EDT | Flood Watch | MRX | 29 hr |
| Aug 12, 11:41 PM EDT | Special Weather Statement | MRX | 49 min |
| Aug 14, 6:57 PM EDT | Special Weather Statement | MRX | 48 min |
| Aug 14, 7:07 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 14, 8:03 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, 3:26 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| Aug 17, 3:48 PM EDT | Special Weather Statement | MRX | 42 min |
| Aug 17, 4:21 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 4:31 PM EDT | Special Weather Statement | MRX | 44 min |
| Aug 17, 5:12 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 5:32 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 17, 5:36 PM EDT | Special Weather Statement | MRX | 39 min |
| Aug 17, 5:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 17, 5:56 PM EDT | Severe Thunderstorm Warning | MRX | 34 min |
| Aug 17, 7:38 PM EDT | Special Weather Statement | MRX | 52 min |
| Aug 17, 8:21 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 8:21 PM 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 | 5 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
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.