Alert archive / Kentucky / Mason County
Weather alerts in Mason County, Kentucky, 2013
119 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mason County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 119
- Warnings
- 17
- Watches
- 19
- Advisories
- 39
- Busiest month
- July20 alerts
- Busiest day
- July 23, 20136 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 Mason County in 2013 had a tornado report inside them.
Mason County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 8 | 7 | 13% | 5 | 60% | 24 min |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wilmington, OH: tornado warnings | 18 | 4 | 78% | 9 | 56% | 6 min |
| NWS Wilmington, OH: severe thunderstorm warnings | 186 | 142 | 24% | 516 | 85% | 23 min |
| NWS Wilmington, OH: flash flood warnings | 42 | 29 | 31% | 85 | 82% | 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 15, 3:09 PM EST | Winter Weather Advisory | ILN | 14 hr |
| Jan 15, 8:36 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 24, 3:45 PM EST | Winter Weather Advisory | ILN | 22 hr |
| Jan 30, 3:33 AM EST | Mesoscale Discussion | SPC | 57 min |
| Jan 30, 4:35 AM EST | Tornado Watch | SPC | 4 hr |
| Jan 30, 6:10 AM EST | Special Weather Statement | ILN | 50 min |
| Jan 30, 6:54 AM EST | Special Weather Statement | ILN | 66 min |
| Jan 31, 4:07 PM EST | Winter Weather Advisory | ILN | 12 hr |
| Feb 1, 3:07 PM EST | Winter Weather Advisory | ILN | 29 hr |
| Feb 13, 11:49 AM EST | Winter Weather Advisory | ILN | 4 hr |
| Feb 18, 11:02 PM EST | Wind Advisory | ILN | 3 hr |
| Feb 21, 3:35 AM EST | Winter Weather Advisory | ILN | 32 hr |
| Feb 22, 12:24 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 4, 4:26 PM EST | Winter Weather Advisory | ILN | 41 hr |
| Mar 16, 3:33 PM EDT | Winter Weather Advisory | ILN | 27 hr |
| Mar 17, 2:18 PM EDT | Winter Storm Warning | ILN | 5 hr |
| Mar 18, 4:08 AM EDT | Flood Watch | ILN | 14 hr |
| Mar 18, 7:00 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Mar 18, 8:41 AM EDT | Flash Flood Warning | ILN | 5 hr |
| Mar 18, 1:18 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Mar 20, 9:46 AM EDT | Red Flag Warning | ILN | 6 hr |
| Apr 16, 1:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 16, 3:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 16, 7:22 PM EDT | Special Weather Statement | ILN | 53 min |
| Apr 16, 9:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 19, 6:12 AM EDT | Special Weather Statement | ILN | 63 min |
| Apr 20, 3:50 AM EDT | Frost Advisory | ILN | 11 hr |
| Apr 20, 3:50 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 24, 3:20 PM EDT | Frost Advisory | ILN | 18 hr |
| Apr 25, 2:34 PM EDT | Frost Advisory | ILN | 18 hr |
| May 8, 3:05 AM EDT | Dense Fog Advisory | ILN | 6 hr |
| May 12, 3:52 AM EDT | Frost Advisory | ILN | 29 hr |
| May 16, 2:23 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 21, 5:51 PM EDT | Special Weather Statement | ILN | 39 min |
| May 21, 7:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 31, 1:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| May 31, 5:13 PM EDT | Special Weather Statement | ILN | 47 min |
| May 31, 5:49 PM EDT | Special Weather Statement | ILN | 26 min |
| Jun 1, 2:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 1, 6:10 PM EDT | Special Weather Statement | ILN | 35 min |
| Jun 1, 6:52 PM EDT | Special Weather Statement | ILN | 23 min |
| Jun 1, 7:09 PM EDT | Areal Flood Advisory | ILN | 111 min |
| Jun 13, 8:32 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 13, 9:08 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 9:49 AM EDT | Special Weather Statement | ILN | 56 min |
| Jun 26, 11:29 AM EDT | Flash Flood Watch | ILN | 16 hr |
| Jun 26, 12:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 3:23 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 26, 3:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 26, 7:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 26, 10:42 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jun 29, 4:25 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jun 29, 7:03 PM EDT | Special Weather Statement | ILN | 42 min |
| Jun 30, 7:28 PM EDT | Special Weather Statement | ILN | 47 min |
| Jul 3, 4:07 PM EDT | Flash Flood Watch | ILN | 50 hr |
| Jul 5, 2:08 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 6, 3:54 PM EDT | Flash Flood Watch | ILN | 18 hr |
| Jul 8, 3:44 PM EDT | Flash Flood Watch | ILN | 55 hr |
| Jul 10, 12:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 1:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 10, 3:55 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 17, 3:59 AM EDT | Heat Advisory | ILN | 62 hr |
| Jul 20, 11:47 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 20, 1:07 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 20, 3:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 21, 5:46 AM EDT | Special Weather Statement | ILN | 44 min |
| Jul 22, 3:41 AM EDT | Flash Flood Watch | ILN | 16 hr |
| Jul 22, 12:11 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jul 23, 1:22 AM EDT | Dense Fog Advisory | ILN | 8 hr |
| Jul 23, 12:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 23, 1:54 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 23, 4:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 6:22 PM EDT | Special Weather Statement | ILN | 38 min |
| Jul 23, 6:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 8, 3:25 PM EDT | Flash Flood Watch | ILN | 24 hr |
| Aug 10, 3:00 AM EDT | Flash Flood Watch | ILN | 4 hr |
| Aug 10, 3:37 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 21, 1:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 22, 2:51 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 6:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 31, 9:15 AM EDT | Special Weather Statement | ILN | 45 min |
| Aug 31, 10:01 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Sep 10, 10:36 AM EDT | Heat Advisory | ILN | 8 hr |
| Oct 6, 3:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Oct 6, 3:57 PM EDT | Special Weather Statement | ILN | 33 min |
| Oct 6, 4:26 PM EDT | Severe Thunderstorm Warning | ILN | 49 min |
| Oct 6, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | 45 min |
| Oct 13, 5:48 AM EDT | Dense Fog Advisory | ILN | 4 hr |
| Oct 19, 7:15 PM EDT | Frost Advisory | ILN | 14 hr |
| Oct 23, 3:31 AM EDT | Frost Advisory | ILN | 11 hr |
| Oct 23, 2:59 PM EDT | Freeze Warning | ILN | 19 hr |
| Oct 24, 4:09 AM EDT | Freeze Warning | ILN | 30 hr |
| Oct 25, 10:35 AM EDT | Freeze Warning | ILN | 23 hr |
| Oct 31, 9:38 AM EDT | Wind Advisory | ILN | 17 hr |
| Oct 31, 9:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 31, 10:09 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 1, 12:39 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Nov 1, 12:41 AM EDT | Severe Thunderstorm Warning | ILN | 49 min |
| Nov 11, 3:29 PM EST | Winter Weather Advisory | ILN | 15 hr |
| Nov 16, 3:33 PM EST | Wind Advisory | ILN | 32 hr |
| Nov 17, 10:35 AM EST | Areal Flood Advisory | ILN | 5 hr |
| Nov 17, 4:25 PM EST | Tornado Watch | SPC | 5 hr |
| Nov 17, 6:06 PM EST | Mesoscale Discussion | SPC | 54 min |
| Nov 17, 6:53 PM EST | Severe Thunderstorm Warning | ILN | 52 min |
| Nov 17, 7:20 PM EST | Tornado Warning | ILN | 25 min |
| Nov 17, 7:30 PM EST | Severe Thunderstorm Warning | ILN | 60 min |
| Nov 17, 7:31 PM EST | Mesoscale Discussion | SPC | 59 min |
| Nov 17, 7:35 PM EST | Severe Thunderstorm Warning | ILN | 55 min |
| Nov 26, 3:09 AM EST | Winter Weather Advisory | ILN | 22 hr |
| Dec 5, 4:01 AM EST | Winter Weather Advisory | ILN | 45 hr |
| Dec 6, 12:31 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 6, 4:02 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 7, 4:00 AM EST | Winter Weather Advisory | ILN | 48 hr |
| Dec 10, 7:22 AM EST | Winter Weather Advisory | ILN | 3 hr |
| Dec 19, 3:49 PM EST | Flood Watch | ILN | 63 hr |
| Dec 21, 9:03 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Dec 21, 11:18 PM EST | Flash Flood Warning | ILN | 5 hr |
| Dec 21, 11:28 PM EST | Severe Thunderstorm Warning | ILN | 47 min |
| Dec 22, 12:03 AM EST | Severe Thunderstorm Warning | ILN | 57 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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 16 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 7 |
| Flood Watch | 2 |
| Areal Flood Advisory | 12 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 13 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 4 |
| Frost Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 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 archive20122014
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.