Alert archive / Kentucky / Lyon County
Weather alerts in Lyon County, Kentucky, 2020
111 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lyon County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 111
- Warnings
- 16
- Watches
- 24
- Advisories
- 41
- Busiest month
- March19 alerts
- Busiest day
- January 11, 20208 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 Lyon County in 2020 had a tornado report inside them.
Lyon County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 6 | 5 | 17% | 2 | 100% | 22 min |
| Flash flood warnings | 5 | 4 | 20% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Paducah, KY: tornado warnings | 45 | 14 | 69% | 33 | 55% | 13 min |
| NWS Paducah, KY: severe thunderstorm warnings | 177 | 82 | 54% | 296 | 72% | 23 min |
| NWS Paducah, KY: flash flood warnings | 106 | 58 | 45% | 95 | 89% | 102 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 8, 2:59 PM CST | Flash Flood Watch | PAH | 3 days |
| Jan 10, 2:47 AM CST | Wind Advisory | PAH | 39 hr |
| Jan 11, 4:59 AM CST | Areal Flood Advisory | PAH | 5 hr |
| Jan 11, 5:43 AM CST | Severe Thunderstorm Warning | PAH | 20 min |
| Jan 11, 5:45 AM CST | Tornado Warning | PAH | 17 min |
| Jan 11, 5:58 AM CST | Severe Thunderstorm Warning | PAH | 32 min |
| Jan 11, 6:08 AM CST | Flash Flood Warning | PAH | 6 hr |
| Jan 11, 6:54 AM CST | Severe Thunderstorm Warning | PAH | 51 min |
| Jan 11, 6:57 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 11, 12:02 PM CST | Areal Flood Warning | PAH | 6 hr |
| Feb 6, 1:25 PM CST | Winter Weather Advisory | PAH | 19 hr |
| Feb 11, 10:28 AM CST | Flash Flood Watch | PAH | 34 hr |
| Feb 12, 3:37 PM CST | Flash Flood Warning | PAH | 4 hr |
| Mar 2, 3:54 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 2, 5:21 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 2, 6:26 PM CST | Severe Thunderstorm Warning | PAH | 49 min |
| Mar 2, 9:00 PM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 2, 11:10 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 2, 11:11 PM CST | Flash Flood Warning | PAH | 6 hr |
| Mar 10, 7:57 AM CDT | Special Weather Statement | PAH | 48 min |
| Mar 12, 11:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 11:44 AM CDT | Tornado Watch | SPC | 6 hr |
| Mar 12, 1:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 3:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Mar 19, 2:36 AM CDT | Flash Flood Watch | PAH | 25 hr |
| Mar 19, 3:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 19, 4:06 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 19, 9:50 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 20, 2:16 AM CDT | Special Weather Statement | PAH | 59 min |
| Mar 20, 2:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 28, 4:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Mar 28, 6:34 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 8, 4:24 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 8, 7:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 8, 7:53 PM CDT | Severe Thunderstorm Warning | PAH | 52 min |
| Apr 10, 3:24 AM CDT | Frost Advisory | PAH | 28 hr |
| Apr 12, 3:21 AM CDT | Wind Advisory | PAH | 31 hr |
| Apr 13, 5:57 PM CDT | Freeze Watch | PAH | 9 hr |
| Apr 14, 2:27 AM CDT | Freeze Warning | PAH | 30 hr |
| Apr 15, 1:32 PM CDT | Frost Advisory | PAH | 17 hr |
| Apr 17, 2:27 AM CDT | Frost Advisory | PAH | 30 hr |
| May 2, 3:30 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| May 3, 11:44 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 3, 12:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 5, 2:15 AM CDT | Lake Wind Advisory | PAH | 17 hr |
| May 6, 2:53 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| May 8, 3:59 AM CDT | Frost Advisory | PAH | 28 hr |
| May 8, 3:59 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| May 9, 3:13 PM CDT | Lake Wind Advisory | PAH | 27 hr |
| May 14, 3:25 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| May 15, 6:05 PM CDT | Areal Flood Advisory | PAH | 55 min |
| May 17, 7:11 AM CDT | Lake Wind Advisory | PAH | 11 hr |
| May 20, 4:11 AM CDT | Dense Fog Advisory | PAH | 97 min |
| May 26, 4:43 PM CDT | Special Weather Statement | PAH | 47 min |
| Jun 4, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 2:00 AM CDT | Wind Advisory | PAH | 17 hr |
| Jun 10, 4:08 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| Jun 26, 2:27 AM CDT | Lake Wind Advisory | PAH | 19 hr |
| Jun 27, 9:20 AM CDT | Lake Wind Advisory | PAH | 11 hr |
| Jun 30, 3:26 AM CDT | Flash Flood Watch | PAH | 40 hr |
| Jul 1, 4:01 PM CDT | Special Weather Statement | PAH | 44 min |
| Jul 2, 5:05 AM CDT | Dense Fog Advisory | PAH | 3 hr |
| Jul 12, 1:35 AM CDT | Special Weather Statement | PAH | 40 min |
| Jul 12, 3:26 AM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 12, 3:27 PM CDT | Special Weather Statement | PAH | 33 min |
| Jul 17, 3:10 AM CDT | Heat Advisory | PAH | 64 hr |
| Jul 17, 1:17 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Jul 20, 12:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 1:58 PM CDT | Flash Flood Watch | PAH | 5 hr |
| Jul 20, 2:23 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Jul 22, 11:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 22, 12:36 PM CDT | Special Weather Statement | PAH | 24 min |
| Jul 30, 1:52 AM CDT | Flash Flood Watch | PAH | 22 hr |
| Jul 31, 3:32 AM CDT | Flash Flood Watch | PAH | 20 hr |
| Jul 31, 1:07 PM CDT | Areal Flood Advisory | PAH | 84 min |
| Aug 9, 1:58 PM CDT | Heat Advisory | PAH | 29 hr |
| Aug 9, 2:59 PM CDT | Special Weather Statement | PAH | 46 min |
| Aug 9, 3:06 PM CDT | Areal Flood Advisory | PAH | 114 min |
| Aug 10, 6:31 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 10, 7:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 10, 9:22 PM CDT | Special Weather Statement | PAH | 53 min |
| Aug 12, 11:33 AM CDT | Flash Flood Watch | PAH | 7 hr |
| Aug 13, 10:56 AM CDT | Flash Flood Watch | PAH | 9 hr |
| Aug 13, 6:35 PM CDT | Areal Flood Advisory | PAH | 77 min |
| Aug 23, 4:08 AM CDT | Dense Fog Advisory | PAH | 5 hr |
| Aug 26, 1:20 PM CDT | Special Weather Statement | PAH | 25 min |
| Aug 27, 3:22 AM CDT | Flash Flood Watch | PAH | 35 hr |
| Aug 27, 7:31 PM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| Aug 28, 9:00 AM CDT | Lake Wind Advisory | PAH | 6 hr |
| Sep 1, 11:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 2, 1:51 PM CDT | Flash Flood Watch | PAH | 17 hr |
| Sep 13, 4:51 AM CDT | Dense Fog Advisory | PAH | 2 hr |
| Sep 26, 2:18 AM CDT | Dense Fog Advisory | PAH | 4 hr |
| Sep 30, 9:47 AM CDT | Lake Wind Advisory | PAH | 7 hr |
| Oct 12, 6:00 AM CDT | Dense Fog Advisory | PAH | 2 hr |
| Oct 15, 2:58 AM CDT | Frost Advisory | PAH | 30 hr |
| Oct 16, 2:56 AM CDT | Frost Advisory | PAH | 29 hr |
| Oct 19, 8:58 AM CDT | Areal Flood Advisory | PAH | 3 hr |
| Oct 23, 1:22 PM CDT | Special Weather Statement | PAH | 38 min |
| Oct 23, 1:30 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 23, 4:03 PM CDT | Special Weather Statement | PAH | 42 min |
| Oct 28, 2:25 AM CDT | Flood Watch | PAH | 32 hr |
| Oct 30, 1:47 PM CDT | Frost Advisory | PAH | 19 hr |
| Oct 30, 1:47 PM CDT | Freeze Watch | PAH | 37 hr |
| Nov 1, 2:14 AM CST | Freeze Warning | PAH | 30 hr |
| Nov 14, 3:16 AM CST | Wind Advisory | PAH | 39 hr |
| Nov 15, 2:55 AM CST | Special Weather Statement | PAH | 35 min |
| Nov 18, 3:07 PM CST | Fire Weather Watch | PAH | 12 hr |
| Nov 19, 3:07 AM CST | Red Flag Warning | PAH | 15 hr |
| Nov 27, 2:11 AM CST | Dense Fog Advisory | PAH | 7 hr |
| Dec 23, 3:34 AM CST | Wind Advisory | PAH | 20 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 | 6 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 11 |
| Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Frost Advisory | 7 |
| Wind and dust | |
| Lake Wind Advisory | 12 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.