Alert archive / Kentucky / Knox County
Weather alerts in Knox County, Kentucky, 2019
132 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 132
- Warnings
- 30
- Watches
- 15
- Advisories
- 55
- Busiest month
- June34 alerts
- Busiest day
- June 20, 20198 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Knox County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 7 | 30% | 1 | 100% | 19 min |
| Flash flood warnings | 4 | 2 | 50% | 4 | 100% | 49 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jackson, KY: tornado warnings | 3 | 0 | 100% | 0 | ||
| NWS Jackson, KY: severe thunderstorm warnings | 87 | 63 | 28% | 182 | 81% | 17 min |
| NWS Jackson, KY: flash flood warnings | 35 | 17 | 51% | 85 | 71% | 75 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 |
|---|---|---|---|
| Jan 4, 5:47 PM EST | Special Weather Statement | JKL | 28 min |
| Jan 4, 6:06 PM EST | Special Weather Statement | JKL | 24 min |
| Jan 4, 6:53 PM EST | Areal Flood Advisory | JKL | 3 hr |
| Jan 18, 3:15 PM EST | Winter Weather Advisory | JKL | 45 hr |
| Jan 19, 1:18 PM EST | Areal Flood Advisory | JKL | 8 hr |
| Jan 19, 2:58 PM EST | Areal Flood Advisory | JKL | 6 hr |
| Jan 19, 3:22 PM EST | Areal Flood Advisory | JKL | 6 hr |
| Jan 20, 9:57 AM EST | River Flood Advisory | JKL | 4 days |
| Jan 27, 3:31 PM EST | Winter Storm Watch | JKL | 13 hr |
| Jan 28, 4:44 AM EST | Winter Weather Advisory | JKL | 32 hr |
| Feb 5, 3:52 PM EST | Flood Watch | JKL | 43 hr |
| Feb 7, 12:43 AM EST | Areal Flood Advisory | JKL | 3 hr |
| Feb 7, 6:11 AM EST | Special Weather Statement | JKL | 34 min |
| Feb 7, 3:50 PM EST | River Flood Advisory | JKL | 43 hr |
| Feb 9, 3:50 PM EST | Flood Watch | JKL | 3 days |
| Feb 12, 11:00 PM EST | River Flood Advisory | JKL | 40 hr |
| Feb 18, 2:28 AM EST | River Flood Advisory | JKL | 33 hr |
| Feb 18, 3:49 PM EST | Flood Watch | JKL | 53 hr |
| Feb 20, 8:14 AM EST | Areal Flood Advisory | JKL | 6 hr |
| Feb 20, 11:11 AM EST | Areal Flood Warning | JKL | 6 hr |
| Feb 20, 12:26 PM EST | Areal Flood Warning | JKL | 7 hr |
| Feb 20, 5:15 PM EST | Areal Flood Warning | JKL | 2 hr |
| Feb 20, 6:24 PM EST | River Flood Advisory | JKL | 48 hr |
| Feb 20, 7:13 PM EST | Areal Flood Advisory | JKL | 3 hr |
| Feb 20, 7:23 PM EST | Areal Flood Advisory | JKL | 3 hr |
| Feb 20, 9:35 PM EST | River Flood Warning | JKL | 5 days |
| Feb 21, 2:25 PM EST | Flash Flood Watch | JKL | 62 hr |
| Feb 22, 1:03 PM EST | Areal Flood Warning | JKL | 3 hr |
| Feb 23, 10:55 AM EST | Areal Flood Warning | JKL | 12 hr |
| Feb 23, 3:37 PM EST | Wind Advisory | JKL | 27 hr |
| Feb 23, 10:30 PM EST | Areal Flood Warning | JKL | 12 hr |
| Feb 24, 10:35 AM EST | Areal Flood Warning | JKL | 30 hr |
| Feb 25, 3:32 PM EST | Areal Flood Warning | JKL | 22 hr |
| Feb 26, 1:51 AM EST | River Flood Advisory | JKL | 17 hr |
| Mar 13, 3:37 PM EDT | Wind Advisory | JKL | 31 hr |
| Mar 30, 4:45 AM EDT | Freeze Watch | JKL | 23 hr |
| Mar 31, 3:38 AM EDT | Freeze Warning | JKL | 30 hr |
| Apr 8, 10:26 AM EDT | Special Weather Statement | JKL | 34 min |
| Apr 9, 6:36 AM EDT | Dense Fog Advisory | JKL | 3 hr |
| Apr 13, 3:25 PM EDT | Wind Advisory | JKL | 31 hr |
| Apr 14, 10:26 AM EDT | Special Weather Statement | JKL | 64 min |
| Apr 14, 1:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 2:33 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 3:05 PM EDT | Frost Advisory | JKL | 18 hr |
| May 2, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 2, 4:49 PM EDT | Severe Thunderstorm Warning | JKL | 26 min |
| May 2, 5:18 PM EDT | Special Weather Statement | JKL | 27 min |
| May 2, 5:39 PM EDT | Severe Thunderstorm Warning | JKL | 38 min |
| May 3, 12:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 4:32 AM EDT | Flash Flood Watch | JKL | 23 hr |
| May 6, 3:15 AM EDT | Dense Fog Advisory | JKL | 7 hr |
| May 11, 8:28 PM EDT | Areal Flood Advisory | JKL | 4 hr |
| May 11, 11:52 PM EDT | Areal Flood Warning | JKL | 4 hr |
| May 12, 4:21 PM EDT | River Flood Advisory | JKL | 19 hr |
| May 16, 11:08 PM EDT | Special Weather Statement | JKL | 52 min |
| May 26, 6:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 7:20 PM EDT | Special Weather Statement | JKL | 40 min |
| May 30, 1:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 9:53 PM EDT | Special Weather Statement | JKL | 37 min |
| Jun 5, 6:26 PM EDT | Severe Thunderstorm Warning | JKL | 34 min |
| Jun 5, 6:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 5, 6:58 PM EDT | Severe Thunderstorm Warning | JKL | 47 min |
| Jun 7, 3:43 AM EDT | Flash Flood Watch | JKL | 68 hr |
| Jun 9, 10:06 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jun 16, 7:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 17, 3:48 AM EDT | Areal Flood Warning | JKL | 3 hr |
| Jun 17, 4:15 AM EDT | Flash Flood Watch | JKL | 4 days |
| Jun 17, 6:55 AM EDT | Areal Flood Warning | JKL | 6 hr |
| Jun 17, 1:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 6:26 PM EDT | Areal Flood Advisory | JKL | 4 hr |
| Jun 19, 6:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 8:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 11:14 PM EDT | Special Weather Statement | JKL | 46 min |
| Jun 19, 11:48 PM EDT | Areal Flood Advisory | JKL | 117 min |
| Jun 19, 11:58 PM EDT | Special Weather Statement | JKL | 32 min |
| Jun 20, 12:26 AM EDT | Special Weather Statement | JKL | 34 min |
| Jun 20, 7:51 AM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jun 20, 8:38 AM EDT | Flash Flood Warning | JKL | 3 hr |
| Jun 20, 4:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 21, 10:55 PM EDT | Severe Thunderstorm Warning | JKL | 35 min |
| Jun 21, 11:26 PM EDT | Severe Thunderstorm Warning | JKL | 34 min |
| Jun 22, 11:14 AM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jun 23, 5:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 23, 8:01 PM EDT | Severe Thunderstorm Warning | JKL | 44 min |
| Jun 24, 11:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 24, 1:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 3:59 PM EDT | Special Weather Statement | JKL | 31 min |
| Jun 24, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 4:29 PM EDT | Special Weather Statement | JKL | 46 min |
| Jun 28, 4:36 PM EDT | Severe Thunderstorm Warning | JKL | 39 min |
| Jun 28, 5:07 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jun 28, 5:15 PM EDT | Flash Flood Warning | JKL | 3 hr |
| Jun 28, 5:57 PM EDT | Special Weather Statement | JKL | 33 min |
| Jun 30, 8:25 PM EDT | Special Weather Statement | JKL | 50 min |
| Jul 2, 2:30 PM EDT | Severe Thunderstorm Warning | JKL | 45 min |
| Jul 7, 12:27 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jul 7, 2:12 PM EDT | Areal Flood Advisory | JKL | 2 hr |
| Jul 7, 2:50 PM EDT | Flash Flood Warning | JKL | 3 hr |
| Jul 11, 8:34 AM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jul 11, 7:16 PM EDT | Special Weather Statement | JKL | 44 min |
| Jul 14, 11:52 AM EDT | Areal Flood Advisory | JKL | 110 min |
| Jul 15, 7:16 PM EDT | Special Weather Statement | JKL | 29 min |
| Jul 18, 1:28 AM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jul 18, 4:00 AM EDT | Heat Advisory | JKL | 64 hr |
| Jul 18, 4:05 AM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jul 18, 4:45 AM EDT | Flash Flood Warning | JKL | 3 hr |
| Jul 18, 7:33 AM EDT | Areal Flood Advisory | JKL | 117 min |
| Jul 21, 5:30 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Jul 22, 3:20 AM EDT | Flash Flood Watch | JKL | 20 hr |
| Aug 1, 5:51 PM EDT | Areal Flood Advisory | JKL | 80 min |
| Aug 2, 5:31 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Aug 2, 6:44 PM EDT | Areal Flood Advisory | JKL | 3 hr |
| Aug 20, 7:33 PM EDT | Severe Thunderstorm Warning | JKL | 27 min |
| Sep 27, 1:40 AM EDT | Dense Fog Advisory | JKL | 7 hr |
| Oct 12, 3:02 PM EDT | Frost Advisory | JKL | 18 hr |
| Oct 17, 3:40 PM EDT | Frost Advisory | JKL | 17 hr |
| Oct 23, 3:30 PM EDT | Frost Advisory | JKL | 17 hr |
| Oct 31, 3:56 AM EDT | Freeze Warning | JKL | 30 hr |
| Nov 11, 3:45 AM EST | Winter Weather Advisory | JKL | 31 hr |
| Nov 23, 12:26 PM EST | Special Weather Statement | JKL | 34 min |
| Nov 26, 12:50 PM EST | Wind Advisory | JKL | 30 hr |
| Nov 30, 9:07 PM EST | Areal Flood Advisory | JKL | 11 hr |
| Dec 1, 2:50 PM EST | Winter Weather Advisory | JKL | 30 hr |
| Dec 1, 7:11 PM EST | River Flood Advisory | JKL | 9 hr |
| Dec 2, 12:06 PM EST | Winter Weather Advisory | JKL | 9 hr |
| Dec 15, 3:14 PM EST | Flood Watch | JKL | 40 hr |
| Dec 16, 4:43 AM EST | Areal Flood Advisory | JKL | 3 hr |
| Dec 16, 6:24 AM EST | Areal Flood Advisory | JKL | 3 hr |
| Dec 16, 5:05 PM EST | Special Weather Statement | JKL | 55 min |
| Dec 16, 7:36 PM EST | Areal Flood Warning | JKL | 12 hr |
| Dec 17, 11:02 AM EST | River Flood Advisory | JKL | 19 hr |
| Dec 30, 1:21 AM EST | Areal Flood Warning | JKL | 9 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 | 10 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 20 |
| Flooding | |
| Areal Flood Warning | 13 |
| Flash Flood Warning | 4 |
| River Flood Warning | 1 |
| Flash Flood Watch | 5 |
| Flood Watch | 4 |
| Areal Flood Advisory | 29 |
| River Flood Advisory | 9 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 5 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 4 |
| 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 archive20182020
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.