Alert archive / Tennessee / Henry County
Weather alerts in Henry County, Tennessee, 2024
153 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Henry County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 153
- Warnings
- 30
- Watches
- 21
- Advisories
- 57
- Busiest month
- May62 alerts
- Busiest day
- May 22, 202411 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Henry County in 2024 had a tornado report inside them.
Henry County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 15 | 10 | 33% | 9 | 100% | 18 min |
| Flash flood warnings | 2 | 0 | 100% | 1 | 0% |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 20 | 1 | 95% | 7 | 14% | 18 min |
| NWS Memphis, TN: severe thunderstorm warnings | 210 | 127 | 40% | 258 | 91% | 20 min |
| NWS Memphis, TN: flash flood warnings | 32 | 17 | 47% | 36 | 78% | 49 min |
An office's figures cover every county it serves, including across state lines.
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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 7, 2:16 PM CST | Wind Advisory | MEG | 57 hr |
| Jan 11, 2:26 AM CST | Wind Advisory | MEG | 45 hr |
| Jan 12, 2:54 PM CST | Winter Storm Watch | MEG | 36 hr |
| Jan 13, 2:48 PM CST | Wind Chill Advisory | MEG | 22 hr |
| Jan 13, 2:48 PM CST | Winter Storm Warning | MEG | 54 hr |
| Jan 14, 3:05 AM CST | Wind Chill Advisory | MEG | 3 days |
| Jan 14, 3:05 AM CST | Winter Weather Advisory | MEG | 39 hr |
| Jan 17, 2:58 PM CST | Winter Weather Advisory | MEG | 28 hr |
| Jan 18, 3:02 PM CST | Wind Chill Advisory | MEG | 66 hr |
| Jan 18, 5:49 PM CST | Freezing Fog Advisory | MEG | 13 hr |
| Jan 23, 3:08 AM CST | Flood Watch | MEG | 59 hr |
| Jan 24, 3:06 PM CST | Dense Fog Advisory | MEG | 20 hr |
| Jan 25, 9:04 PM CST | Dense Fog Advisory | MEG | 13 hr |
| Feb 12, 11:23 AM CST | Winter Weather Advisory | MEG | 11 hr |
| Feb 26, 1:13 PM CST | Wind Advisory | MEG | 44 hr |
| Feb 28, 4:58 AM CST | Special Weather Statement | MEG | 47 min |
| Mar 3, 1:53 AM CST | Dense Fog Advisory | MEG | 7 hr |
| Mar 14, 5:27 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 14, 9:22 PM CDT | Special Weather Statement | MEG | 23 min |
| Mar 14, 9:42 PM CDT | Special Weather Statement | MEG | 33 min |
| Mar 16, 1:00 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Mar 17, 3:25 AM CDT | Freeze Watch | MEG | 18 hr |
| Mar 17, 3:25 AM CDT | Freeze Warning | MEG | 30 hr |
| Mar 17, 9:15 PM CDT | Freeze Warning | MEG | 36 hr |
| Mar 24, 2:44 AM CDT | High Wind Watch | MEG | 12 hr |
| Mar 24, 2:55 PM CDT | Wind Advisory | MEG | 33 hr |
| Mar 26, 2:42 PM CDT | Frost Advisory | MEG | 18 hr |
| Mar 27, 1:58 PM CDT | Freeze Warning | MEG | 19 hr |
| Apr 2, 8:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 2, 9:50 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 2, 12:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 2, 3:08 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 5, 3:10 AM CDT | Frost Advisory | MEG | 29 hr |
| Apr 7, 5:26 PM CDT | Special Weather Statement | MEG | 34 min |
| Apr 7, 5:52 PM CDT | Special Weather Statement | MEG | 38 min |
| Apr 7, 11:07 PM CDT | Severe Thunderstorm Warning | MEG | 38 min |
| Apr 7, 11:45 PM CDT | Special Weather Statement | MEG | 15 min |
| Apr 8, 5:42 AM CDT | Dense Fog Advisory | MEG | 3 hr |
| Apr 8, 5:43 PM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Apr 8, 6:21 PM CDT | Severe Thunderstorm Warning | MEG | 29 min |
| Apr 8, 6:56 PM CDT | Special Weather Statement | MEG | 34 min |
| Apr 8, 7:21 PM CDT | Severe Thunderstorm Warning | MEG | 39 min |
| Apr 10, 2:45 PM CDT | Wind Advisory | MEG | 26 hr |
| Apr 18, 9:11 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 21, 9:51 AM CDT | Frost Advisory | MEG | 22 hr |
| Apr 29, 11:31 PM CDT | Dense Fog Advisory | MEG | 8 hr |
| May 3, 9:13 PM CDT | Dense Fog Advisory | MEG | 11 hr |
| May 8, 3:17 AM CDT | Flood Watch | MEG | 27 hr |
| May 8, 7:50 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 1:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 8, 2:18 PM CDT | Special Weather Statement | MEG | 27 min |
| May 8, 2:45 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| May 8, 2:51 PM CDT | Tornado Watch | SPC | 5 hr |
| May 8, 3:24 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| May 8, 3:34 PM CDT | Tornado Warning | MEG | 41 min |
| May 8, 3:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 8, 7:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 8, 8:13 PM CDT | Tornado Watch | SPC | 7 hr |
| May 8, 11:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 9, 12:30 AM CDT | Severe Thunderstorm Warning | MEG | 30 min |
| May 9, 12:54 AM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| May 9, 12:55 AM CDT | Severe Thunderstorm Warning | MEG | 15 min |
| May 10, 10:35 AM CDT | River Flood Advisory | MEG | 12 hr |
| May 10, 2:40 PM CDT | River Flood Warning | MEG | 4 days |
| May 14, 12:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 14, 1:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 14, 4:05 PM CDT | Special Weather Statement | MEG | 25 min |
| May 14, 4:41 PM CDT | Special Weather Statement | MEG | 34 min |
| May 14, 4:44 PM CDT | Areal Flood Advisory | MEG | 2 hr |
| May 14, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 14, 6:36 PM CDT | Areal Flood Advisory | MEG | 114 min |
| May 14, 6:41 PM CDT | Areal Flood Advisory | MEG | 2 hr |
| May 14, 7:32 PM CDT | Areal Flood Advisory | MEG | 96 min |
| May 16, 2:18 PM CDT | Flood Watch | MEG | 21 hr |
| May 18, 5:11 PM CDT | Special Weather Statement | MEG | 34 min |
| May 18, 11:07 PM CDT | Dense Fog Advisory | MEG | 9 hr |
| May 22, 11:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 11:46 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 22, 1:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 22, 1:48 PM CDT | Special Weather Statement | MEG | 27 min |
| May 22, 1:48 PM CDT | Special Weather Statement | MEG | 27 min |
| May 22, 2:12 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| May 22, 2:19 PM CDT | Special Weather Statement | MEG | 41 min |
| May 22, 3:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 22, 3:09 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| May 22, 3:11 PM CDT | Areal Flood Warning | MEG | 94 min |
| May 22, 5:16 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 22, 8:10 PM CDT | Areal Flood Warning | MEG | 3 hr |
| May 24, 11:03 AM CDT | Flood Watch | MEG | 64 hr |
| May 26, 2:35 AM CDT | Tornado Watch | SPC | 7 hr |
| May 26, 7:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 26, 8:25 AM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| May 26, 8:56 AM CDT | Areal Flood Advisory | MEG | 3 hr |
| May 26, 8:58 AM CDT | Severe Thunderstorm Warning | MEG | 33 min |
| May 26, 9:49 AM CDT | Special Weather Statement | MEG | 26 min |
| May 26, 11:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| May 26, 12:08 PM CDT | Special Weather Statement | MEG | 37 min |
| May 26, 2:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 26, 4:01 PM CDT | Tornado Watch | SPC | 7 hr |
| May 26, 5:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 26, 8:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 26, 10:39 PM CDT | Tornado Watch | SPC | 5 hr |
| May 26, 10:52 PM CDT | Areal Flood Advisory | MEG | 3 hr |
| May 26, 11:30 PM CDT | Severe Thunderstorm Warning | MEG | 45 min |
| May 26, 11:33 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 27, 5:25 PM CDT | River Flood Advisory | MEG | 21 hr |
| May 28, 1:57 PM CDT | River Flood Warning | MEG | 3 days |
| May 31, 1:04 PM CDT | River Flood Advisory | MEG | 54 hr |
| Jun 2, 5:07 AM CDT | Dense Fog Advisory | MEG | 4 hr |
| Jun 3, 4:32 PM CDT | Special Weather Statement | MEG | 28 min |
| Jun 3, 5:28 PM CDT | Special Weather Statement | MEG | 47 min |
| Jun 9, 1:28 AM CDT | Severe Thunderstorm Warning | MEG | 47 min |
| Jun 9, 2:10 AM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Jun 10, 12:37 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Jun 16, 12:12 PM CDT | Heat Advisory | MEG | 7 hr |
| Jun 22, 1:58 PM CDT | Heat Advisory | MEG | 30 hr |
| Jun 24, 2:54 AM CDT | Heat Advisory | MEG | 41 hr |
| Jun 26, 2:06 AM CDT | Special Weather Statement | MEG | 24 min |
| Jun 26, 3:32 PM CDT | Special Weather Statement | MEG | 43 min |
| Jun 26, 4:21 PM CDT | Special Weather Statement | MEG | 24 min |
| Jun 28, 2:55 PM CDT | Heat Advisory | MEG | 30 hr |
| Jun 30, 5:35 AM CDT | Areal Flood Advisory | MEG | 115 min |
| Jul 2, 12:27 PM CDT | Excessive Heat Warning | MEG | 32 hr |
| Jul 2, 12:27 PM CDT | Heat Advisory | MEG | 14 hr |
| Jul 3, 3:58 AM CDT | Excessive Heat Warning | MEG | 40 hr |
| Jul 5, 4:31 AM CDT | Special Weather Statement | MEG | 29 min |
| Jul 5, 5:09 AM CDT | Special Weather Statement | MEG | 21 min |
| Jul 11, 4:39 AM CDT | Dense Fog Advisory | MEG | 3 hr |
| Jul 14, 3:01 PM CDT | Heat Advisory | MEG | 29 hr |
| Jul 15, 1:56 PM CDT | Heat Advisory | MEG | 31 hr |
| Jul 21, 7:14 PM CDT | Special Weather Statement | MEG | 16 min |
| Jul 21, 7:40 PM CDT | Areal Flood Advisory | MEG | 95 min |
| Jul 28, 3:13 AM CDT | Heat Advisory | MEG | 42 hr |
| Jul 29, 3:27 AM CDT | Heat Advisory | MEG | 41 hr |
| Jul 30, 3:05 AM CDT | Excessive Heat Warning | MEG | 41 hr |
| Jul 30, 3:05 AM CDT | Heat Advisory | MEG | 32 hr |
| Jul 31, 2:27 AM CDT | Excessive Heat Warning | MEG | 42 hr |
| Aug 14, 2:30 PM CDT | Heat Advisory | MEG | 55 hr |
| Sep 1, 11:03 PM CDT | Dense Fog Advisory | MEG | 7 hr |
| Sep 11, 3:25 AM CDT | Flood Watch | MEG | 3 days |
| Sep 11, 2:56 PM CDT | Wind Advisory | MEG | 33 hr |
| Sep 23, 3:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 24, 11:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 2:20 AM CDT | Flood Watch | MEG | 49 hr |
| Sep 26, 2:00 PM CDT | Wind Advisory | MEG | 37 hr |
| Sep 30, 1:19 AM CDT | Dense Fog Advisory | MEG | 8 hr |
| Sep 30, 11:32 PM CDT | Dense Fog Advisory | MEG | 7 hr |
| Nov 10, 9:18 PM CST | Dense Fog Advisory | MEG | 8 hr |
| Nov 19, 7:30 PM CST | Dense Fog Advisory | MEG | 11 hr |
| Dec 17, 2:52 PM CST | Flood Watch | MEG | 18 hr |
| Dec 18, 4:36 AM CST | Special Weather Statement | MEG | 24 min |
| Dec 18, 4:55 AM CST | Special Weather Statement | MEG | 35 min |
| Dec 30, 2:10 AM CST | Dense Fog Advisory | MEG | 9 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.