Alert archive / Kentucky / Butler County
Weather alerts in Butler County, Kentucky, 2017
117 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Butler County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 117
- Warnings
- 33
- Watches
- 15
- Advisories
- 28
- Busiest month
- March24 alerts
- Busiest day
- March 1, 201712 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Butler County in 2017 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 3 minutes after it went out.
Butler County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 3 | 67% | 3 min |
| Severe thunderstorm warnings | 16 | 11 | 31% | 3 | 67% | 21 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Louisville, KY: tornado warnings | 32 | 7 | 78% | 38 | 29% | 8 min |
| NWS Louisville, KY: severe thunderstorm warnings | 304 | 142 | 53% | 444 | 72% | 16 min |
| NWS Louisville, KY: flash flood warnings | 31 | 24 | 23% | 66 | 89% | 85 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 1, 9:54 PM CST | Dense Fog Advisory | LMK | 13 hr |
| Jan 4, 1:37 PM CST | Winter Weather Advisory | LMK | 32 hr |
| Jan 9, 6:54 PM CST | Wind Advisory | LMK | 28 hr |
| Jan 13, 11:32 PM CST | Dense Fog Advisory | LMK | 10 hr |
| Jan 15, 10:34 PM CST | Dense Fog Advisory | LMK | 10 hr |
| Jan 17, 10:19 AM CST | River Flood Advisory | LMK | 36 hr |
| Jan 17, 3:50 PM CST | River Flood Advisory | LMK | 59 hr |
| Jan 18, 9:54 AM CST | River Flood Warning | LMK | 72 hr |
| Jan 18, 9:54 AM CST | River Flood Warning | LMK | 72 hr |
| Feb 7, 3:28 AM CST | Special Weather Statement | LMK | 62 min |
| Feb 7, 7:28 AM CST | Special Weather Statement | LMK | 47 min |
| Feb 7, 4:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 7, 7:55 PM CST | Special Weather Statement | LMK | 35 min |
| Feb 19, 9:23 PM CST | Dense Fog Advisory | LMK | 10 hr |
| Feb 24, 5:28 PM CST | Mesoscale Discussion | SPC | 62 min |
| Feb 28, 8:29 PM CST | Tornado Watch | SPC | 12 hr |
| Mar 1, 12:22 AM CST | Severe Thunderstorm Warning | LMK | 23 min |
| Mar 1, 12:32 AM CST | Tornado Warning | LMK | 28 min |
| Mar 1, 12:59 AM CST | Severe Thunderstorm Warning | LMK | 20 min |
| Mar 1, 1:32 AM CST | Mesoscale Discussion | SPC | 88 min |
| Mar 1, 4:19 AM CST | Mesoscale Discussion | SPC | 56 min |
| Mar 1, 4:57 AM CST | Tornado Watch | SPC | 5 hr |
| Mar 1, 5:28 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 1, 5:32 AM CST | Severe Thunderstorm Warning | LMK | 43 min |
| Mar 1, 6:08 AM CST | Severe Thunderstorm Warning | LMK | 37 min |
| Mar 1, 6:29 AM CST | Severe Thunderstorm Warning | LMK | 46 min |
| Mar 1, 6:41 AM CST | Severe Thunderstorm Warning | LMK | 34 min |
| Mar 7, 2:40 AM CST | Wind Advisory | LMK | 7 hr |
| Mar 9, 1:56 PM CST | Freeze Warning | LMK | 42 hr |
| Mar 11, 2:19 AM CST | Freeze Warning | LMK | 31 hr |
| Mar 13, 2:49 PM CDT | Freeze Warning | LMK | 67 hr |
| Mar 17, 1:13 PM CDT | Special Weather Statement | LMK | 17 min |
| Mar 18, 12:28 AM CDT | Dense Fog Advisory | LMK | 8 hr |
| Mar 27, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 27, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 27, 3:26 PM CDT | Special Weather Statement | LMK | 49 min |
| Mar 27, 4:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 30, 5:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 3, 5:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 5, 1:02 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 5, 1:50 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 5, 2:33 PM CDT | Special Weather Statement | LMK | 12 min |
| Apr 5, 3:02 PM CDT | Special Weather Statement | LMK | 13 min |
| Apr 5, 3:22 PM CDT | Severe Thunderstorm Warning | LMK | 23 min |
| Apr 5, 3:28 PM CDT | Severe Thunderstorm Warning | LMK | 32 min |
| Apr 5, 3:36 PM CDT | Severe Thunderstorm Warning | LMK | 24 min |
| Apr 5, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 5, 4:04 PM CDT | Severe Thunderstorm Warning | LMK | 26 min |
| Apr 5, 6:54 PM CDT | Wind Advisory | LMK | 3 hr |
| Apr 6, 2:31 AM CDT | Wind Advisory | LMK | 18 hr |
| Apr 7, 2:40 AM CDT | Frost Advisory | LMK | 29 hr |
| Apr 10, 7:48 AM CDT | Red Flag Warning | LMK | 11 hr |
| Apr 16, 2:02 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 16, 7:03 PM CDT | Special Weather Statement | LMK | 27 min |
| Apr 19, 5:36 PM CDT | Special Weather Statement | LMK | 24 min |
| Apr 26, 6:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 28, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 30, 2:42 AM CDT | Wind Advisory | LMK | 15 hr |
| Apr 30, 2:06 PM CDT | Wind Advisory | LMK | 32 hr |
| May 1, 2:17 PM CDT | Wind Advisory | LMK | 29 hr |
| May 11, 12:58 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 11, 2:21 PM CDT | Special Weather Statement | LMK | 39 min |
| May 20, 11:13 AM CDT | Mesoscale Discussion | SPC | 92 min |
| May 20, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 4:06 PM CDT | Severe Thunderstorm Warning | LMK | 39 min |
| May 20, 4:44 PM CDT | Severe Thunderstorm Warning | LMK | 31 min |
| May 20, 5:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 3:02 AM CDT | Flash Flood Watch | LMK | 23 hr |
| May 27, 12:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 27, 3:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 27, 5:13 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 27, 6:07 PM CDT | Severe Thunderstorm Warning | LMK | 38 min |
| Jun 4, 5:13 PM CDT | Special Weather Statement | LMK | 32 min |
| Jun 4, 8:46 PM CDT | Flash Flood Watch | LMK | 18 hr |
| Jun 5, 10:27 PM CDT | Special Weather Statement | LMK | 33 min |
| Jun 15, 8:05 PM CDT | Dense Fog Advisory | LMK | 12 hr |
| Jun 18, 2:29 PM CDT | Flash Flood Watch | LMK | 12 hr |
| Jun 18, 7:20 PM CDT | Special Weather Statement | LMK | 40 min |
| Jun 22, 12:18 PM CDT | Flash Flood Watch | LMK | 36 hr |
| Jul 3, 2:05 PM CDT | Special Weather Statement | LMK | 25 min |
| Jul 6, 12:26 PM CDT | Special Weather Statement | LMK | 109 min |
| Jul 6, 2:02 PM CDT | Areal Flood Advisory | LMK | 3 hr |
| Jul 7, 4:30 AM CDT | Dense Fog Advisory | LMK | 4 hr |
| Jul 20, 8:49 AM CDT | Heat Advisory | LMK | 3 days |
| Jul 27, 4:07 PM CDT | Special Weather Statement | LMK | 23 min |
| Aug 2, 4:57 PM CDT | Severe Thunderstorm Warning | LMK | 33 min |
| Aug 16, 2:30 PM CDT | Special Weather Statement | LMK | 45 min |
| Aug 30, 2:48 PM CDT | Flash Flood Watch | LMK | 58 hr |
| Sep 1, 12:20 AM CDT | Special Weather Statement | LMK | 55 min |
| Sep 1, 1:30 AM CDT | Flash Flood Warning | LMK | 6 hr |
| Sep 1, 2:52 AM CDT | Areal Flood Advisory | LMK | 3 hr |
| Sep 1, 3:31 AM CDT | Flash Flood Warning | LMK | 6 hr |
| Sep 1, 7:25 AM CDT | Areal Flood Warning | LMK | 6 hr |
| Sep 1, 9:24 AM CDT | Wind Advisory | LMK | 7 hr |
| Sep 1, 10:04 AM CDT | River Flood Warning | LMK | 3 days |
| Sep 1, 10:04 AM CDT | River Flood Warning | LMK | 4 days |
| Sep 1, 1:24 PM CDT | Areal Flood Warning | LMK | 3 hr |
| Sep 5, 3:34 AM CDT | Special Weather Statement | LMK | 26 min |
| Sep 15, 12:38 AM CDT | Dense Fog Advisory | LMK | 9 hr |
| Sep 19, 6:13 AM CDT | Special Weather Statement | LMK | 47 min |
| Sep 19, 7:00 AM CDT | Special Weather Statement | LMK | 30 min |
| Oct 8, 1:43 AM CDT | Areal Flood Advisory | LMK | 6 hr |
| Oct 8, 2:54 AM CDT | Flash Flood Warning | LMK | 2 hr |
| Oct 13, 5:38 AM CDT | Dense Fog Advisory | LMK | 2 hr |
| Oct 29, 1:59 PM CDT | Freeze Warning | LMK | 17 hr |
| Nov 4, 5:33 AM CDT | Dense Fog Advisory | LMK | 3 hr |
| Nov 5, 5:31 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 5, 10:26 PM CST | Severe Thunderstorm Warning | LMK | 34 min |
| Nov 17, 9:30 AM CST | Wind Advisory | LMK | 39 hr |
| Nov 18, 11:04 AM CST | Severe Thunderstorm Watch | SPC | 8 hr |
| Nov 18, 3:20 PM CST | Severe Thunderstorm Warning | LMK | 25 min |
| Dec 13, 2:50 AM CST | Wind Advisory | LMK | 14 hr |
| Dec 21, 2:10 PM CST | Flash Flood Watch | LMK | 43 hr |
| Dec 23, 8:51 AM CST | River Flood Warning | LMK | 3 days |
| Dec 23, 8:51 AM CST | River Flood Warning | LMK | 4 days |
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 | 16 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 21 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 3 |
| River Flood Warning | 6 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 3 |
| River Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.