Alert archive / Tennessee / Humphreys County
Weather alerts in Humphreys County, Tennessee, 2018
132 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Humphreys County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 132
- Warnings
- 22
- Watches
- 19
- Advisories
- 39
- Busiest month
- June30 alerts
- Busiest day
- June 28, 20189 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Humphreys County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 7 | 30% | 6 | 67% | 22 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Nashville, TN: tornado warnings | 32 | 10 | 69% | 20 | 70% | 15 min |
| NWS Nashville, TN: severe thunderstorm warnings | 183 | 100 | 45% | 394 | 61% | 15 min |
| NWS Nashville, TN: flash flood warnings | 32 | 18 | 44% | 61 | 72% | 73 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 3, 10:49 AM CST | Wind Chill Advisory | OHX | 22 hr |
| Jan 8, 7:12 PM CST | Dense Fog Advisory | OHX | 14 hr |
| Jan 10, 12:59 AM CST | Dense Fog Advisory | OHX | 8 hr |
| Jan 10, 2:22 PM CST | Winter Storm Watch | OHX | 24 hr |
| Jan 11, 1:52 PM CST | Winter Storm Warning | OHX | 31 hr |
| Jan 12, 2:00 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 15, 3:54 AM CST | Winter Weather Advisory | OHX | 35 hr |
| Jan 15, 9:08 PM CST | Winter Storm Warning | OHX | 15 hr |
| Jan 16, 4:09 AM CST | Wind Chill Advisory | OHX | 32 hr |
| Feb 9, 3:24 AM CST | Flood Watch | OHX | 60 hr |
| Feb 11, 9:13 AM CST | River Flood Advisory | OHX | 68 hr |
| Feb 18, 1:15 AM CST | Dense Fog Advisory | OHX | 8 hr |
| Feb 20, 2:32 PM CST | Flood Watch | OHX | 5 days |
| Feb 22, 1:25 AM CST | Areal Flood Advisory | OHX | 5 hr |
| Feb 24, 2:00 PM CST | Special Weather Statement | OHX | 45 min |
| Feb 24, 3:16 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 24, 6:40 PM CST | Mesoscale Discussion | SPC | 95 min |
| Feb 24, 8:10 PM CST | Severe Thunderstorm Warning | OHX | 50 min |
| Feb 24, 9:34 PM CST | Mesoscale Discussion | SPC | 86 min |
| Feb 27, 3:16 AM CST | Flood Watch | OHX | 57 hr |
| Feb 28, 9:43 AM CST | River Flood Advisory | OHX | 6 days |
| Feb 28, 10:45 PM CST | Areal Flood Advisory | OHX | 6 hr |
| Mar 1, 4:42 AM CST | Areal Flood Advisory | OHX | 4 hr |
| Mar 11, 2:43 PM CDT | Winter Weather Advisory | OHX | 19 hr |
| Mar 20, 2:04 AM CDT | Freeze Warning | OHX | 32 hr |
| Mar 21, 2:06 AM CDT | Freeze Warning | OHX | 31 hr |
| Mar 28, 1:51 AM CDT | Flood Watch | OHX | 38 hr |
| Apr 2, 2:26 PM CDT | Wind Advisory | OHX | 32 hr |
| Apr 3, 6:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 3, 7:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 3, 7:22 PM CDT | Special Weather Statement | OHX | 23 min |
| Apr 3, 8:26 PM CDT | Special Weather Statement | OHX | 49 min |
| Apr 3, 8:29 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Apr 3, 8:34 PM CDT | Severe Thunderstorm Warning | OHX | 26 min |
| Apr 4, 2:47 AM CDT | Freeze Warning | OHX | 30 hr |
| Apr 6, 6:38 PM CDT | Freeze Watch | OHX | 8 hr |
| Apr 7, 2:59 AM CDT | Freeze Warning | OHX | 29 hr |
| Apr 10, 3:02 PM CDT | Frost Advisory | OHX | 17 hr |
| Apr 14, 6:37 AM CDT | Special Weather Statement | OHX | 23 min |
| Apr 14, 7:03 AM CDT | Special Weather Statement | OHX | 42 min |
| Apr 15, 3:46 PM CDT | Freeze Watch | OHX | 13 hr |
| Apr 15, 3:46 PM CDT | Freeze Warning | OHX | 16 hr |
| Apr 16, 4:39 AM CDT | Frost Advisory | OHX | 11 hr |
| Apr 16, 4:39 AM CDT | Freeze Warning | OHX | 27 hr |
| Apr 19, 2:55 AM CDT | Frost Advisory | OHX | 29 hr |
| Apr 23, 10:19 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| May 6, 12:33 AM CDT | Dense Fog Advisory | OHX | 8 hr |
| May 6, 3:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 6, 4:23 PM CDT | Special Weather Statement | OHX | 67 min |
| May 10, 12:14 PM CDT | Special Weather Statement | OHX | 31 min |
| May 17, 12:28 PM CDT | Special Weather Statement | OHX | 32 min |
| May 20, 6:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 20, 7:20 PM CDT | Severe Thunderstorm Warning | OHX | 25 min |
| May 25, 2:41 PM CDT | Special Weather Statement | OHX | 49 min |
| May 28, 2:04 AM CDT | Flash Flood Watch | OHX | 52 hr |
| May 31, 5:46 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 7:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 1, 2:21 AM CDT | Special Weather Statement | OHX | 24 min |
| Jun 3, 2:46 AM CDT | Special Weather Statement | OHX | 74 min |
| Jun 12, 1:26 PM CDT | Mesoscale Discussion | SPC | 109 min |
| Jun 13, 8:25 AM CDT | Areal Flood Advisory | OHX | 2 hr |
| Jun 17, 7:57 PM CDT | Severe Thunderstorm Warning | OHX | 28 min |
| Jun 21, 12:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 5:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 4:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 24, 6:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 7:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 9:08 PM CDT | Special Weather Statement | OHX | 52 min |
| Jun 26, 9:59 PM CDT | Special Weather Statement | OHX | 61 min |
| Jun 26, 10:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 27, 1:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 3:24 PM CDT | Special Weather Statement | OHX | 51 min |
| Jun 28, 10:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 28, 10:46 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 28, 11:44 AM CDT | Severe Thunderstorm Warning | OHX | 46 min |
| Jun 28, 12:07 PM CDT | Flash Flood Watch | OHX | 3 hr |
| Jun 28, 12:11 PM CDT | Severe Thunderstorm Warning | OHX | 49 min |
| Jun 28, 12:18 PM CDT | Areal Flood Advisory | OHX | 117 min |
| Jun 28, 12:27 PM CDT | Severe Thunderstorm Warning | OHX | 33 min |
| Jun 28, 12:39 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Jun 28, 2:20 PM CDT | Heat Advisory | OHX | 53 hr |
| Jun 28, 8:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 28, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 28, 9:15 PM CDT | Severe Thunderstorm Warning | OHX | 45 min |
| Jun 28, 9:50 PM CDT | Special Weather Statement | OHX | 40 min |
| Jul 4, 3:19 AM CDT | Heat Advisory | OHX | 17 hr |
| Jul 5, 3:14 AM CDT | Heat Advisory | OHX | 17 hr |
| Jul 5, 5:41 PM CDT | Severe Thunderstorm Warning | OHX | 24 min |
| Jul 6, 8:50 AM CDT | Special Weather Statement | OHX | 40 min |
| Jul 15, 5:49 AM CDT | Special Weather Statement | OHX | 26 min |
| Jul 15, 6:30 AM CDT | Areal Flood Advisory | OHX | 3 hr |
| Jul 15, 7:01 AM CDT | Flash Flood Warning | OHX | 2 hr |
| Jul 15, 1:03 PM CDT | Special Weather Statement | OHX | 42 min |
| Jul 15, 1:14 PM CDT | Areal Flood Advisory | OHX | 3 hr |
| Jul 15, 1:36 PM CDT | Special Weather Statement | OHX | 39 min |
| Jul 15, 2:00 PM CDT | Flash Flood Warning | OHX | 102 min |
| Jul 20, 5:54 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 20, 6:22 PM CDT | Tornado Watch | SPC | 8 hr |
| Jul 20, 10:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 21, 1:38 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 5, 5:06 PM CDT | Special Weather Statement | OHX | 24 min |
| Aug 5, 6:12 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| Aug 5, 6:12 PM CDT | Special Weather Statement | OHX | 48 min |
| Aug 11, 2:53 AM CDT | Dense Fog Advisory | OHX | 6 hr |
| Aug 16, 10:26 PM CDT | Special Weather Statement | OHX | 49 min |
| Aug 17, 2:22 PM CDT | Special Weather Statement | OHX | 38 min |
| Aug 20, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 1:34 PM CDT | Special Weather Statement | OHX | 41 min |
| Sep 23, 3:03 PM CDT | Flash Flood Watch | OHX | 28 hr |
| Sep 28, 2:23 AM CDT | Dense Fog Advisory | OHX | 8 hr |
| Oct 20, 1:27 PM CDT | Frost Advisory | OHX | 20 hr |
| Oct 21, 2:52 AM CDT | Freeze Warning | OHX | 29 hr |
| Oct 30, 2:40 PM CDT | Flood Watch | OHX | 40 hr |
| Oct 31, 7:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Nov 5, 7:04 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 5, 9:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 8, 9:50 AM CST | Freeze Warning | OHX | 49 hr |
| Nov 13, 2:42 PM CST | Winter Weather Advisory | OHX | 42 hr |
| Nov 21, 5:08 AM CST | Freezing Fog Advisory | OHX | 4 hr |
| Nov 25, 6:49 PM CST | Wind Advisory | OHX | 11 hr |
| Dec 1, 5:28 PM CST | Mesoscale Discussion | SPC | 62 min |
| Dec 8, 3:46 AM CST | Winter Weather Advisory | OHX | 32 hr |
| Dec 11, 4:34 AM CST | Freezing Fog Advisory | OHX | 4 hr |
| Dec 23, 11:58 PM CST | Freezing Fog Advisory | OHX | 10 hr |
| Dec 26, 4:11 AM CST | Wind Advisory | OHX | 46 hr |
| Dec 31, 1:06 AM CST | Wind Advisory | OHX | 17 hr |
| Dec 31, 11:22 AM CST | Mesoscale Discussion | SPC | 83 min |
| Dec 31, 11:47 AM CST | Tornado Watch | SPC | 5 hr |
| Dec 31, 12:22 PM CST | Special Weather Statement | OHX | 38 min |
| Dec 31, 12:50 PM CST | Special Weather Statement | OHX | 40 min |
| Dec 31, 1:08 PM CST | Severe Thunderstorm Warning | OHX | 37 min |
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 | 10 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 26 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 3 |
| Flood Watch | 5 |
| Areal Flood Advisory | 11 |
| River Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 2 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Freezing Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.