Alert archive / Kentucky / Harrison County
Weather alerts in Harrison County, Kentucky, 2023
130 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Harrison County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 130
- Warnings
- 28
- Watches
- 17
- Advisories
- 38
- Busiest month
- July32 alerts
- Busiest day
- July 28, 20237 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 Harrison County in 2023 had a tornado report inside them.
Harrison County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 15 | 6 | 60% | 1 | 100% | 6 min |
| Flash flood warnings | 3 | 2 | 33% | 3 | 100% | 71 min |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Louisville, KY: tornado warnings | 42 | 12 | 71% | 40 | 45% | 18 min |
| NWS Louisville, KY: severe thunderstorm warnings | 328 | 208 | 37% | 560 | 82% | 17 min |
| NWS Louisville, KY: flash flood warnings | 34 | 19 | 44% | 66 | 83% | 63 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 9:50 PM EST | Dense Fog Advisory | LMK | 12 hr |
| Jan 3, 4:06 AM EST | Flood Watch | LMK | 9 hr |
| Jan 3, 8:01 AM EST | Severe Thunderstorm Warning | LMK | 29 min |
| Jan 3, 8:25 AM EST | Flash Flood Warning | LMK | 3 hr |
| Jan 3, 8:42 AM EST | Areal Flood Advisory | LMK | 6 hr |
| Jan 3, 11:27 AM EST | Areal Flood Warning | LMK | 3 hr |
| Jan 12, 6:00 AM EST | Severe Thunderstorm Watch | SPC | 7 hr |
| Jan 12, 7:19 AM EST | Severe Thunderstorm Warning | LMK | 26 min |
| Jan 12, 9:26 AM EST | Severe Thunderstorm Warning | LMK | 34 min |
| Jan 12, 9:27 AM EST | Special Weather Statement | LMK | 33 min |
| Jan 12, 9:28 AM EST | Mesoscale Discussion | SPC | 62 min |
| Jan 12, 9:54 AM EST | Severe Thunderstorm Warning | LMK | 23 min |
| Jan 13, 10:37 PM EST | Winter Weather Advisory | LMK | 5 hr |
| Jan 18, 2:55 PM EST | Wind Advisory | LMK | 28 hr |
| Jan 24, 3:37 AM EST | Winter Weather Advisory | LMK | 31 hr |
| Jan 24, 2:50 PM EST | Wind Advisory | LMK | 28 hr |
| Jan 30, 3:34 AM EST | Winter Weather Advisory | LMK | 32 hr |
| Feb 8, 3:15 AM EST | Wind Advisory | LMK | 40 hr |
| Feb 9, 12:14 PM EST | High Wind Warning | LMK | 4 hr |
| Feb 13, 2:53 PM EST | Wind Advisory | LMK | 33 hr |
| Feb 16, 3:35 AM EST | Flood Watch | LMK | 15 hr |
| Feb 16, 9:03 PM EST | River Flood Advisory | LMK | 13 hr |
| Feb 21, 3:52 PM EST | Wind Advisory | LMK | 30 hr |
| Feb 26, 4:14 AM EST | Wind Advisory | LMK | 35 hr |
| Feb 27, 2:49 PM EST | High Wind Warning | LMK | 2 hr |
| Feb 27, 5:01 PM EST | Wind Advisory | LMK | 119 min |
| Mar 1, 5:56 PM EST | Mesoscale Discussion | SPC | 64 min |
| Mar 1, 8:26 PM EST | Special Weather Statement | LMK | 49 min |
| Mar 2, 3:39 AM EST | Flood Watch | LMK | 36 hr |
| Mar 2, 3:41 AM EST | Wind Advisory | LMK | 44 hr |
| Mar 2, 1:45 PM EST | High Wind Warning | LMK | 32 hr |
| Mar 3, 12:07 PM EST | Tornado Watch | SPC | 4 hr |
| Mar 3, 2:40 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Mar 3, 3:24 PM EST | Severe Thunderstorm Warning | LMK | 36 min |
| Mar 22, 2:50 PM EDT | Flood Watch | LMK | 60 hr |
| Mar 24, 3:25 AM EDT | Special Weather Statement | LMK | 35 min |
| Mar 24, 12:41 PM EDT | Wind Advisory | LMK | 28 hr |
| Mar 25, 2:16 AM EDT | Special Weather Statement | LMK | 59 min |
| Mar 31, 3:50 AM EDT | Wind Advisory | LMK | 37 hr |
| Mar 31, 7:59 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 1, 1:21 AM EDT | Severe Thunderstorm Warning | LMK | 24 min |
| Apr 1, 1:45 AM EDT | Tornado Warning | LMK | 16 min |
| Apr 1, 2:16 AM EDT | Special Weather Statement | LMK | 44 min |
| Apr 1, 10:30 AM EDT | High Wind Warning | LMK | 5 hr |
| Apr 1, 10:30 AM EDT | Wind Advisory | LMK | 7 hr |
| Apr 4, 2:00 PM EDT | Wind Advisory | LMK | 30 hr |
| Apr 5, 1:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 5, 2:38 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 5, 5:55 PM EDT | Special Weather Statement | LMK | 50 min |
| Apr 5, 6:12 PM EDT | Severe Thunderstorm Warning | LMK | 48 min |
| Apr 17, 3:11 PM EDT | Frost Advisory | LMK | 18 hr |
| Apr 19, 3:26 AM EDT | Fire Weather Watch | LMK | 12 hr |
| Apr 19, 3:24 PM EDT | Red Flag Warning | LMK | 29 hr |
| Apr 21, 4:04 PM EDT | Special Weather Statement | LMK | 26 min |
| Apr 21, 4:26 PM EDT | Special Weather Statement | LMK | 19 min |
| Apr 22, 3:38 AM EDT | Frost Advisory | LMK | 29 hr |
| Apr 23, 4:00 AM EDT | Freeze Warning | LMK | 29 hr |
| Apr 24, 2:55 PM EDT | Frost Advisory | LMK | 18 hr |
| Apr 30, 5:46 PM EDT | Special Weather Statement | LMK | 44 min |
| May 1, 2:49 AM EDT | Wind Advisory | LMK | 17 hr |
| May 7, 9:28 AM EDT | Mesoscale Discussion | SPC | 92 min |
| May 7, 9:40 AM EDT | Special Weather Statement | LMK | 35 min |
| May 7, 10:12 AM EDT | Areal Flood Advisory | LMK | 3 hr |
| May 16, 1:32 PM EDT | Severe Thunderstorm Warning | LMK | 28 min |
| Jun 25, 3:54 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 25, 5:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 25, 9:10 PM EDT | Severe Thunderstorm Warning | LMK | 35 min |
| Jun 25, 10:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 6:29 PM EDT | Special Weather Statement | LMK | 16 min |
| Jun 29, 3:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 4:17 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 30, 4:33 AM EDT | Areal Flood Advisory | LMK | 4 hr |
| Jul 1, 1:58 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 1, 2:07 AM EDT | Severe Thunderstorm Warning | LMK | 23 min |
| Jul 1, 2:27 AM EDT | Severe Thunderstorm Warning | LMK | 33 min |
| Jul 1, 3:12 AM EDT | Areal Flood Advisory | LMK | 4 hr |
| Jul 1, 5:13 AM EDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 1, 8:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 2, 12:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 1:05 AM EDT | Dense Fog Advisory | LMK | 8 hr |
| Jul 13, 1:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 13, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 7:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 15, 9:04 AM EDT | Special Weather Statement | LMK | 56 min |
| Jul 15, 9:58 AM EDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 15, 10:06 AM EDT | Special Weather Statement | LMK | 39 min |
| Jul 18, 4:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 24, 2:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 24, 3:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 6:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 24, 8:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 26, 3:42 AM EDT | Heat Advisory | LMK | 65 hr |
| Jul 27, 3:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 27, 7:09 PM EDT | Special Weather Statement | LMK | 51 min |
| Jul 27, 7:23 PM EDT | Special Weather Statement | LMK | 52 min |
| Jul 27, 7:52 PM EDT | Areal Flood Advisory | LMK | 2 hr |
| Jul 27, 8:19 PM EDT | Special Weather Statement | LMK | 26 min |
| Jul 27, 10:22 PM EDT | Special Weather Statement | LMK | 53 min |
| Jul 27, 10:32 PM EDT | Flash Flood Warning | LMK | 7 hr |
| Jul 27, 10:59 PM EDT | Severe Thunderstorm Warning | LMK | 31 min |
| Jul 27, 11:20 PM EDT | Severe Thunderstorm Warning | LMK | 25 min |
| Jul 28, 12:58 AM EDT | Flash Flood Warning | LMK | 5 hr |
| Jul 28, 12:07 PM EDT | Special Weather Statement | LMK | 38 min |
| Aug 7, 2:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 10:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 7, 10:57 AM EDT | Tornado Watch | SPC | 7 hr |
| Aug 7, 11:43 AM EDT | Severe Thunderstorm Warning | LMK | 32 min |
| Aug 7, 12:56 PM EDT | Areal Flood Advisory | LMK | 2 hr |
| Aug 7, 1:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 14, 9:14 PM EDT | Special Weather Statement | LMK | 31 min |
| Aug 21, 3:49 AM EDT | Heat Advisory | LMK | 16 hr |
| Aug 22, 3:07 PM EDT | Excessive Heat Warning | LMK | 4 days |
| Aug 22, 3:07 PM EDT | Heat Advisory | LMK | 3 days |
| Aug 24, 7:34 AM EDT | Special Weather Statement | LMK | 26 min |
| Aug 24, 8:04 AM EDT | Special Weather Statement | LMK | 26 min |
| Aug 25, 2:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 25, 5:25 PM EDT | Special Weather Statement | LMK | 35 min |
| Aug 25, 5:35 PM EDT | Severe Thunderstorm Warning | LMK | 25 min |
| Sep 26, 10:27 PM EDT | Special Weather Statement | LMK | 18 min |
| Sep 28, 2:47 AM EDT | Areal Flood Advisory | LMK | 3 hr |
| Sep 28, 9:15 PM EDT | Dense Fog Advisory | LMK | 14 hr |
| Oct 7, 2:41 PM EDT | Frost Advisory | LMK | 18 hr |
| Oct 22, 3:22 AM EDT | Frost Advisory | LMK | 31 hr |
| Oct 29, 3:46 AM EDT | Freeze Watch | LMK | 24 hr |
| Oct 30, 3:32 AM EDT | Freeze Warning | LMK | 30 hr |
| Dec 9, 6:59 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 17, 2:31 PM EST | Winter Weather Advisory | LMK | 25 hr |
| Dec 18, 2:32 PM EST | Special Weather Statement | LMK | 43 min |
| Dec 18, 3:49 PM EST | Special Weather Statement | LMK | 41 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 | 15 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 25 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Flood Watch | 4 |
| Areal Flood Advisory | 9 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 4 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.