Alert archive / Tennessee / Morgan County
Weather alerts in Morgan 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.
Morgan County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 97
- Warnings
- 18
- Watches
- 13
- Advisories
- 34
- Busiest month
- July22 alerts
- Busiest day
- May 30, 20266 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Morgan County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 8 | 27% | 4 | 75% | 10 min |
| Flash flood warnings | 6 | 4 | 33% | 2 | 50% | 28 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Morristown, TN: tornado warnings | 10 | 1 | 90% | 3 | 33% | 3 min |
| NWS Morristown, TN: severe thunderstorm warnings | 182 | 146 | 20% | 226 | 89% | 22 min |
| NWS Morristown, TN: flash flood warnings | 81 | 55 | 32% | 128 | 84% | 70 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Winter Storm Warning | MRX | 49 hr |
| Jan 24, 6:54 AM EST | Mesoscale Discussion | SPC | 6 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, 10:50 AM EST | Areal Flood Advisory | MRX | 6 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, 12:50 PM EST | Winter Weather Advisory | MRX | 54 hr |
| Jan 29, 1:00 PM EST | Cold Weather Advisory | MRX | 71 hr |
| Feb 4, 4:01 AM EST | Dense Fog Advisory | MRX | 8 hr |
| Feb 26, 4:52 AM EST | Areal Flood Advisory | MRX | 4 hr |
| Mar 7, 2:44 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 9, 3:05 AM EDT | Dense Fog Advisory | MRX | 7 hr |
| Mar 11, 3:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 11, 5:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 15, 2:17 PM EDT | Wind Advisory | MRX | 18 hr |
| Mar 15, 9:22 PM EDT | Tornado Watch | SPC | 9 hr |
| Mar 16, 12:51 AM EDT | Winter Weather Advisory | MRX | 38 hr |
| Mar 16, 1:52 AM EDT | Severe Thunderstorm Warning | MRX | 53 min |
| Mar 16, 2:40 AM EDT | Severe Thunderstorm Warning | MRX | 65 min |
| Apr 4, 6:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 4:28 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| Apr 26, 12:52 AM EDT | Dense Fog Advisory | MRX | 9 hr |
| Apr 28, 3:32 AM EDT | Special Weather Statement | MRX | 43 min |
| Apr 28, 5:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Apr 28, 6:23 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 2, 12:42 PM EDT | Frost Advisory | MRX | 20 hr |
| May 20, 1:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| May 24, 12:57 PM EDT | Flood Watch | MRX | 13 hr |
| May 29, 1:59 PM EDT | Flood Watch | MRX | 24 hr |
| May 30, 4:09 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 30, 4:25 AM EDT | Flash Flood Warning | MRX | 6 hr |
| May 30, 5:08 AM EDT | Flash Flood Warning | MRX | 7 hr |
| May 30, 6:49 AM EDT | Areal Flood Advisory | MRX | 5 hr |
| May 30, 8:49 AM EDT | Flash Flood Warning | MRX | 4 hr |
| May 30, 10:06 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jun 7, 2:09 PM EDT | Flood Watch | MRX | 31 hr |
| Jun 14, 4:06 PM EDT | Special Weather Statement | MRX | 39 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, 10:58 PM EDT | Special Weather Statement | MRX | 47 min |
| Jun 28, 4:03 AM EDT | Flash Flood Warning | MRX | 3 hr |
| Jun 28, 10:06 AM EDT | Areal Flood Advisory | MRX | 4 hr |
| Jun 29, 1:34 PM EDT | Heat Advisory | MRX | 5 days |
| Jul 3, 6:26 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| Jul 3, 6:54 PM EDT | Severe Thunderstorm Warning | MRX | 51 min |
| Jul 3, 7:03 PM EDT | Special Weather Statement | MRX | 42 min |
| Jul 3, 7:14 PM EDT | Special Weather Statement | MRX | 31 min |
| Jul 3, 7:23 PM EDT | Severe Thunderstorm Warning | MRX | 52 min |
| Jul 3, 7:45 PM EDT | Severe Thunderstorm Warning | MRX | 45 min |
| Jul 5, 11:42 AM EDT | Special Weather Statement | MRX | 48 min |
| Jul 7, 5:35 PM EDT | Areal Flood Advisory | MRX | 27 min |
| Jul 7, 6:02 PM EDT | Flash Flood Warning | MRX | 4 hr |
| Jul 9, 11:44 AM EDT | Flood Watch | MRX | 4 days |
| Jul 11, 5:31 AM EDT | Special Weather Statement | MRX | 44 min |
| Jul 17, 12:56 PM EDT | Special Weather Statement | MRX | 49 min |
| Jul 17, 1:25 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 17, 1:53 PM EDT | Special Weather Statement | MRX | 52 min |
| Jul 19, 5:12 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jul 21, 1:45 PM EDT | Flood Watch | MRX | 54 hr |
| Jul 21, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 21, 6:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 9:16 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 22, 11:08 AM EDT | Areal Flood Advisory | MRX | 5 hr |
| Jul 22, 1:13 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 22, 5:12 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 1, 11:52 AM EDT | Areal Flood Advisory | MRX | 113 min |
| Aug 1, 7:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 10:00 PM EDT | Areal Flood Advisory | MRX | 5 hr |
| Aug 7, 2:16 PM EDT | Special Weather Statement | MRX | 44 min |
| Aug 9, 3:59 PM EDT | Special Weather Statement | MRX | 46 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 12, 2:38 AM EDT | Flood Watch | MRX | 29 hr |
| Aug 14, 12:11 PM EDT | Heat Advisory | MRX | 3 days |
| 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, 4:30 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 4:33 PM EDT | Severe Thunderstorm Warning | MRX | 57 min |
| Aug 17, 5:07 PM EDT | Special Weather Statement | MRX | 53 min |
| Aug 17, 5:18 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 22, 6:54 PM EDT | Severe Thunderstorm Warning | MRX | 51 min |
| Aug 22, 7:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 2, 12:32 AM EDT | Heat Advisory | MRX | 4 days |
| Sep 2, 1:58 PM EDT | Heat Advisory | MRX | 3 days |
| Sep 5, 1:03 PM EDT | Severe Thunderstorm Warning | MRX | 57 min |
| Sep 13, 3:38 AM EDT | Dense Fog Advisory | MRX | 5 hr |
| Sep 19, 3:30 PM EDT | Special Weather Statement | MRX | 45 min |
| Sep 19, 4:16 PM EDT | Special Weather Statement | MRX | 44 min |
| Sep 20, 6:46 PM EDT | Special Weather Statement | MRX | 44 min |
| Sep 21, 2:09 PM EDT | Special Weather Statement | MRX | 51 min |
| Sep 21, 2:26 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| Sep 22, 4:10 AM EDT | Areal Flood Advisory | MRX | 2 hr |
| Sep 23, 11:13 AM EDT | Areal Flood Advisory | MRX | 3 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 | 11 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 16 |
| Flooding | |
| Flash Flood Warning | 6 |
| Flood Watch | 7 |
| Areal Flood Advisory | 19 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Cold Weather Advisory | 3 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
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.