Alert archive / Tennessee / Williamson County
Weather alerts in Williamson County, Tennessee, 2021
200 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Williamson County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 200
- Warnings
- 73
- Watches
- 21
- Advisories
- 56
- Busiest month
- March66 alerts
- Busiest day
- March 27, 202121 alerts
Over time
By month
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 | Lasted |
|---|---|---|---|
| Jan 7, 10:07 AM CST | Winter Weather Advisory | OHX | 23 hr |
| Jan 22, 12:39 AM CST | Dense Fog Advisory | OHX | 8 hr |
| Jan 25, 5:46 PM CST | Severe Thunderstorm Warning | OHX | 44 min |
| Jan 25, 5:52 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 25, 6:18 PM CST | Severe Thunderstorm Warning | OHX | 42 min |
| Jan 25, 6:59 PM CST | Severe Thunderstorm Warning | OHX | 31 min |
| Jan 25, 7:21 PM CST | Special Weather Statement | OHX | 39 min |
| Jan 25, 7:51 PM CST | Areal Flood Advisory | OHX | 5 hr |
| Jan 25, 9:10 PM CST | Areal Flood Advisory | OHX | 2 hr |
| Jan 30, 1:23 PM CST | Wind Advisory | OHX | 14 hr |
| Feb 10, 3:00 AM CST | Winter Weather Advisory | OHX | 36 hr |
| Feb 12, 10:00 PM CST | Winter Weather Advisory | OHX | 14 hr |
| Feb 13, 3:14 AM CST | Winter Storm Watch | OHX | 24 hr |
| Feb 14, 3:43 AM CST | Winter Storm Warning | OHX | 42 hr |
| Feb 14, 7:10 AM CST | Winter Weather Advisory | OHX | 11 hr |
| Feb 15, 9:28 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 2:53 PM CST | Winter Storm Watch | OHX | 13 hr |
| Feb 17, 3:24 AM CST | Winter Storm Warning | OHX | 30 hr |
| Feb 17, 1:00 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 17, 3:22 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 17, 7:44 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 18, 9:17 AM CST | Winter Weather Advisory | OHX | 12 hr |
| Feb 27, 2:50 AM CST | Flood Watch | OHX | 51 hr |
| Feb 27, 6:06 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 27, 7:31 PM CST | Areal Flood Advisory | OHX | 3 hr |
| Feb 27, 8:07 PM CST | Flash Flood Warning | OHX | 3 hr |
| Feb 28, 2:22 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 28, 4:40 PM CST | Mesoscale Discussion | SPC | 95 min |
| Feb 28, 6:27 PM CST | Mesoscale Discussion | SPC | 93 min |
| Feb 28, 7:26 PM CST | Flash Flood Warning | OHX | 4 hr |
| Feb 28, 7:32 PM CST | Severe Thunderstorm Warning | OHX | 43 min |
| Feb 28, 8:23 PM CST | Flash Flood Warning | OHX | 3 hr |
| Mar 1, 3:08 PM CST | River Flood Advisory | OHX | 21 hr |
| Mar 17, 2:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Mar 17, 4:52 PM CDT | Special Weather Statement | OHX | 38 min |
| Mar 24, 1:28 PM CDT | Flood Watch | OHX | 7 hr |
| Mar 24, 8:08 PM CDT | Flash Flood Watch | OHX | 27 hr |
| Mar 25, 2:19 AM CDT | Wind Advisory | OHX | 21 hr |
| Mar 25, 2:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 25, 3:50 PM CDT | Special Weather Statement | OHX | 25 min |
| Mar 25, 4:01 PM CDT | Severe Thunderstorm Warning | OHX | 29 min |
| Mar 25, 4:23 PM CDT | Severe Thunderstorm Warning | OHX | 37 min |
| Mar 25, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 25, 7:04 PM CDT | Severe Thunderstorm Warning | OHX | 26 min |
| Mar 25, 7:27 PM CDT | Severe Thunderstorm Warning | OHX | 9 min |
| Mar 25, 7:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 25, 7:39 PM CDT | Special Weather Statement | OHX | 36 min |
| Mar 25, 7:52 PM CDT | Severe Thunderstorm Warning | OHX | 38 min |
| Mar 25, 8:13 PM CDT | Tornado Warning | OHX | 32 min |
| Mar 25, 8:35 PM CDT | Tornado Warning | OHX | 25 min |
| Mar 26, 5:58 PM CDT | Flash Flood Watch | OHX | 42 hr |
| Mar 27, 2:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 27, 5:48 AM CDT | Severe Thunderstorm Warning | OHX | 27 min |
| Mar 27, 6:13 AM CDT | Severe Thunderstorm Warning | OHX | 32 min |
| Mar 27, 6:17 AM CDT | Severe Thunderstorm Warning | OHX | 29 min |
| Mar 27, 6:38 AM CDT | Severe Thunderstorm Warning | OHX | 52 min |
| Mar 27, 6:42 AM CDT | Severe Thunderstorm Warning | OHX | 48 min |
| Mar 27, 7:21 AM CDT | Severe Thunderstorm Warning | OHX | 39 min |
| Mar 27, 7:36 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 27, 7:42 AM CDT | Special Weather Statement | OHX | 48 min |
| Mar 27, 8:02 AM CDT | Severe Thunderstorm Warning | OHX | 43 min |
| Mar 27, 8:10 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 27, 8:29 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 27, 11:19 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 27, 11:55 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 27, 12:14 PM CDT | Flash Flood Warning | OHX | 3 hr |
| Mar 27, 2:37 PM CDT | River Flood Warning | OHX | 47 hr |
| Mar 27, 2:37 PM CDT | River Flood Warning | OHX | 48 hr |
| Mar 27, 6:18 PM CDT | Severe Thunderstorm Warning | OHX | 42 min |
| Mar 27, 6:38 PM CDT | Severe Thunderstorm Warning | OHX | 22 min |
| Mar 27, 6:44 PM CDT | Flash Flood Warning | OHX | 3 hr |
| Mar 27, 6:59 PM CDT | Severe Thunderstorm Warning | OHX | 46 min |
| Mar 27, 7:35 PM CDT | Flash Flood Warning | OHX | 3 hr |
| Mar 27, 9:22 PM CDT | Flash Flood Warning | OHX | 14 hr |
| Mar 27, 9:35 PM CDT | Flash Flood Warning | OHX | 13 hr |
| Mar 27, 9:59 PM CDT | Severe Thunderstorm Warning | OHX | 31 min |
| Mar 27, 10:29 PM CDT | Severe Thunderstorm Warning | OHX | 31 min |
| Mar 27, 10:37 PM CDT | Flash Flood Warning | OHX | 11 hr |
| Mar 27, 11:44 PM CDT | Severe Thunderstorm Warning | OHX | 31 min |
| Mar 28, 12:41 AM CDT | Flash Flood Warning | OHX | 4 hr |
| Mar 28, 12:54 AM CDT | Severe Thunderstorm Warning | OHX | 36 min |
| Mar 28, 1:25 AM CDT | Severe Thunderstorm Warning | OHX | 35 min |
| Mar 28, 7:28 AM CDT | River Flood Warning | OHX | 28 hr |
| Mar 29, 11:38 AM CDT | River Flood Advisory | OHX | 19 hr |
| Mar 29, 1:27 PM CDT | River Flood Advisory | OHX | 20 hr |
| Mar 29, 6:09 PM CDT | Flash Flood Watch | OHX | 39 hr |
| Mar 30, 11:44 PM CDT | Special Weather Statement | OHX | 46 min |
| Mar 30, 11:53 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 31, 12:39 AM CDT | Special Weather Statement | OHX | 66 min |
| Mar 31, 2:55 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Mar 31, 9:29 AM CDT | River Flood Advisory | OHX | 17 hr |
| Mar 31, 1:39 PM CDT | Freeze Warning | OHX | 19 hr |
| Mar 31, 1:39 PM CDT | Hard Freeze Warning | OHX | 43 hr |
| Apr 1, 1:13 PM CDT | Freeze Warning | OHX | 44 hr |
| Apr 21, 2:13 AM CDT | Frost Advisory | OHX | 30 hr |
| Apr 24, 4:17 PM CDT | Special Weather Statement | OHX | 28 min |
| May 3, 4:41 AM CDT | Special Weather Statement | OHX | 34 min |
| May 3, 6:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 3, 7:50 AM CDT | Flash Flood Warning | OHX | 3 hr |
| May 4, 4:17 AM CDT | Mesoscale Discussion | SPC | 88 min |
| May 4, 5:13 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 4, 6:23 AM CDT | Special Weather Statement | OHX | 37 min |
| May 6, 4:44 PM CDT | Severe Thunderstorm Warning | OHX | 31 min |
| May 6, 5:05 PM CDT | Severe Thunderstorm Warning | OHX | 40 min |
| May 6, 5:09 PM CDT | Severe Thunderstorm Warning | OHX | 36 min |
| May 6, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 6, 5:42 PM CDT | Severe Thunderstorm Warning | OHX | 33 min |
| May 6, 5:45 PM CDT | Severe Thunderstorm Warning | OHX | 45 min |
| May 9, 2:22 AM CDT | Wind Advisory | OHX | 17 hr |
| May 9, 3:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 5:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 9, 7:05 PM CDT | Special Weather Statement | OHX | 40 min |
| May 9, 7:30 PM CDT | Severe Thunderstorm Warning | OHX | 11 min |
| May 26, 8:58 PM CDT | Dense Fog Advisory | OHX | 12 hr |
| Jun 2, 2:55 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Jun 2, 9:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 3, 12:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 4:06 AM CDT | Dense Fog Advisory | OHX | 4 hr |
| Jun 8, 5:30 PM CDT | Special Weather Statement | OHX | 45 min |
| Jun 12, 4:17 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Jun 12, 5:41 PM CDT | Flash Flood Warning | OHX | 3 hr |
| Jun 13, 8:25 AM CDT | Special Weather Statement | OHX | 35 min |
| Jun 13, 4:13 PM CDT | Special Weather Statement | OHX | 17 min |
| Jun 21, 11:35 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 21, 12:52 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 21, 3:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 18, 4:03 PM CDT | Areal Flood Advisory | OHX | 117 min |
| Jul 18, 4:27 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| Jul 26, 10:57 AM CDT | Areal Flood Advisory | OHX | 2 hr |
| Jul 26, 5:48 PM CDT | Special Weather Statement | OHX | 42 min |
| Jul 26, 5:55 PM CDT | Severe Thunderstorm Warning | OHX | 16 min |
| Jul 28, 2:30 PM CDT | Heat Advisory | OHX | 28 hr |
| Jul 29, 3:23 AM CDT | Dense Fog Advisory | OHX | 4 hr |
| Jul 29, 1:58 PM CDT | Heat Advisory | OHX | 28 hr |
| Jul 31, 8:24 PM CDT | Severe Thunderstorm Warning | OHX | 36 min |
| Jul 31, 8:57 PM CDT | Severe Thunderstorm Warning | OHX | 33 min |
| Jul 31, 9:57 PM CDT | Severe Thunderstorm Warning | OHX | 33 min |
| Jul 31, 10:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 10:19 PM CDT | Severe Thunderstorm Warning | OHX | 41 min |
| Jul 31, 10:24 PM CDT | Flash Flood Warning | OHX | 4 hr |
| Jul 31, 10:52 PM CDT | Severe Thunderstorm Warning | OHX | 38 min |
| Aug 10, 1:38 PM CDT | Heat Advisory | OHX | 30 hr |
| Aug 10, 1:38 PM CDT | Heat Advisory | OHX | 54 hr |
| Aug 13, 1:20 PM CDT | Special Weather Statement | OHX | 25 min |
| Aug 13, 1:40 PM CDT | Special Weather Statement | OHX | 50 min |
| Aug 13, 2:03 PM CDT | Areal Flood Advisory | OHX | 117 min |
| Aug 13, 2:51 PM CDT | Severe Thunderstorm Warning | OHX | 39 min |
| Aug 13, 2:56 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| Aug 18, 5:41 PM CDT | Special Weather Statement | OHX | 49 min |
| Aug 18, 6:08 PM CDT | Areal Flood Advisory | OHX | 112 min |
| Aug 18, 6:28 PM CDT | Severe Thunderstorm Warning | OHX | 32 min |
| Aug 20, 4:55 PM CDT | Flash Flood Watch | OHX | 30 hr |
| Aug 21, 6:53 PM CDT | Special Weather Statement | OHX | 37 min |
| Aug 21, 7:24 PM CDT | Flash Flood Warning | OHX | 4 hr |
| Aug 25, 5:28 PM CDT | Special Weather Statement | OHX | 32 min |
| Aug 25, 6:08 PM CDT | Special Weather Statement | OHX | 37 min |
| Aug 29, 4:12 AM CDT | Flash Flood Watch | OHX | 62 hr |
| Aug 29, 5:26 PM CDT | Special Weather Statement | OHX | 34 min |
| Aug 31, 4:40 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Aug 31, 4:49 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Sep 15, 5:55 AM CDT | Flash Flood Watch | OHX | 10 hr |
| Sep 15, 8:23 AM CDT | Areal Flood Advisory | OHX | 4 hr |
| Sep 15, 9:33 AM CDT | Flash Flood Warning | OHX | 117 min |
| Sep 18, 2:24 AM CDT | Flash Flood Watch | OHX | 65 hr |
| Sep 18, 9:54 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Sep 18, 10:28 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Sep 20, 8:29 AM CDT | Areal Flood Advisory | OHX | 2 hr |
| Sep 20, 9:53 AM CDT | Areal Flood Advisory | OHX | 112 min |
| Sep 20, 10:10 AM CDT | Areal Flood Advisory | OHX | 2 hr |
| Sep 20, 10:25 AM CDT | Flash Flood Warning | OHX | 5 hr |
| Sep 20, 10:32 AM CDT | Areal Flood Advisory | OHX | 118 min |
| Sep 20, 12:23 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Sep 20, 3:25 PM CDT | Flash Flood Warning | OHX | 5 hr |
| Sep 20, 3:56 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| Sep 20, 4:10 PM CDT | Flash Flood Warning | OHX | 3 hr |
| Oct 6, 2:53 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 6, 7:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 6, 8:07 PM CDT | Areal Flood Advisory | OHX | 113 min |
| Oct 8, 1:35 AM CDT | Dense Fog Advisory | OHX | 7 hr |
| Oct 15, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Nov 2, 2:53 AM CDT | Frost Advisory | OHX | 30 hr |
| Nov 2, 2:18 PM CDT | Freeze Watch | OHX | 12 hr |
| Nov 3, 2:35 AM CDT | Freeze Warning | OHX | 30 hr |
| Nov 3, 1:50 PM CDT | Freeze Warning | OHX | 43 hr |
| Nov 12, 12:15 AM CST | Dense Fog Advisory | OHX | 8 hr |
| Dec 6, 5:06 AM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 10, 11:22 AM CST | Wind Advisory | OHX | 25 hr |
| Dec 10, 5:52 PM CST | Mesoscale Discussion | SPC | 83 min |
| Dec 10, 6:21 PM CST | Tornado Watch | SPC | 10 hr |
| Dec 10, 10:44 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 11, 2:00 AM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 11, 2:47 AM CST | Severe Thunderstorm Warning | OHX | 58 min |
| Dec 11, 2:51 AM CST | Mesoscale Discussion | SPC | 84 min |
| Dec 11, 2:58 AM CST | Tornado Warning | OHX | 32 min |
| Dec 11, 2:59 AM CST | Tornado Warning | OHX | 31 min |
| Dec 11, 3:19 AM CST | Severe Thunderstorm Warning | OHX | 41 min |
| Dec 11, 3:29 AM CST | Severe Thunderstorm Warning | OHX | 46 min |
| Dec 26, 5:17 AM CST | Dense Fog Advisory | OHX | 6 hr |
| Dec 30, 6:21 AM CST | Dense Fog Advisory | OHX | 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 | 41 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 22 |
| Flooding | |
| Flash Flood Warning | 18 |
| River Flood Warning | 3 |
| Flash Flood Watch | 7 |
| Flood Watch | 2 |
| Areal Flood Advisory | 29 |
| River Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 4 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.