Alert archive / Ohio / Mercer County
Weather alerts in Mercer County, Ohio, 2012
140 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mercer County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 140
- Warnings
- 24
- Watches
- 25
- Advisories
- 36
- Busiest month
- July29 alerts
- Busiest day
- May 7, 20127 alerts
Over time
By month
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 12, 10:51 AM EST | Winter Weather Advisory | ILN | 25 hr |
| Jan 17, 7:25 AM EST | Mesoscale Discussion | SPC | 65 min |
| Jan 20, 3:53 AM EST | Winter Weather Advisory | ILN | 26 hr |
| Jan 22, 3:57 PM EST | Wind Advisory | ILN | 24 hr |
| Jan 25, 3:42 PM EST | Winter Weather Advisory | ILN | 14 hr |
| Feb 5, 5:50 AM EST | Dense Fog Advisory | ILN | 4 hr |
| Feb 23, 2:47 AM EST | Dense Fog Advisory | ILN | 6 hr |
| Feb 24, 4:11 AM EST | Wind Advisory | ILN | 13 hr |
| Mar 2, 4:08 AM EST | Wind Advisory | ILN | 24 hr |
| Mar 2, 8:37 AM EST | Special Weather Statement | ILN | 38 min |
| Mar 2, 11:30 AM EST | Mesoscale Discussion | SPC | 90 min |
| Mar 2, 1:02 PM EST | Tornado Watch | SPC | 8 hr |
| Mar 4, 3:30 PM EST | Winter Weather Advisory | ILN | 17 hr |
| Mar 7, 9:40 AM EST | Wind Advisory | ILN | 8 hr |
| Mar 15, 5:28 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Mar 15, 7:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Mar 23, 11:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Mar 25, 4:17 AM EDT | Freeze Watch | ILN | 24 hr |
| Mar 26, 4:13 AM EDT | Freeze Warning | ILN | 30 hr |
| Mar 30, 2:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Mar 30, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 30, 4:52 PM EDT | Special Weather Statement | ILN | 53 min |
| Apr 1, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 4, 4:09 PM EDT | Freeze Watch | ILN | 23 hr |
| Apr 5, 3:23 PM EDT | Freeze Watch | ILN | 13 hr |
| Apr 5, 3:23 PM EDT | Freeze Warning | ILN | 18 hr |
| Apr 6, 4:09 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 9, 4:12 AM EDT | Freeze Watch | ILN | 36 hr |
| Apr 10, 3:19 PM EDT | Freeze Watch | ILN | 12 hr |
| Apr 10, 3:19 PM EDT | Freeze Warning | ILN | 18 hr |
| Apr 11, 3:45 AM EDT | Freeze Warning | ILN | 29 hr |
| Apr 15, 11:47 AM EDT | Wind Advisory | ILN | 4 hr |
| Apr 16, 4:00 AM EDT | Wind Advisory | ILN | 15 hr |
| Apr 22, 3:57 AM EDT | Freeze Watch | ILN | 12 hr |
| Apr 22, 3:48 PM EDT | Freeze Warning | ILN | 12 hr |
| Apr 23, 3:52 PM EDT | Freeze Warning | ILN | 10 hr |
| Apr 26, 2:29 AM EDT | Special Weather Statement | ILN | 31 min |
| Apr 26, 3:53 AM EDT | Freeze Watch | ILN | 12 hr |
| Apr 26, 3:54 PM EDT | Freeze Warning | ILN | 17 hr |
| Apr 30, 4:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 30, 6:04 PM EDT | Special Weather Statement | ILN | 56 min |
| Apr 30, 6:04 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 30, 6:53 PM EDT | Severe Thunderstorm Warning | ILN | 37 min |
| May 2, 12:19 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 2, 12:19 AM EDT | Special Weather Statement | IWX | 26 min |
| May 2, 3:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 4, 7:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 7, 3:45 PM EDT | Special Weather Statement | ILN | 30 min |
| May 7, 4:08 PM EDT | Special Weather Statement | ILN | 37 min |
| May 7, 4:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 7, 4:17 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| May 7, 4:35 PM EDT | Severe Thunderstorm Warning | ILN | 40 min |
| May 7, 4:38 PM EDT | Areal Flood Advisory | ILN | 109 min |
| May 7, 4:59 PM EDT | Flash Flood Warning | ILN | 88 min |
| May 25, 6:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 25, 8:38 PM EDT | Special Weather Statement | ILN | 67 min |
| Jun 21, 7:11 PM EDT | Special Weather Statement | ILN | 19 min |
| Jun 27, 3:57 AM EDT | Fire Weather Watch | ILN | 12 hr |
| Jun 27, 3:57 AM EDT | Heat Advisory | ILN | 56 hr |
| Jun 27, 3:20 PM EDT | Excessive Heat Warning | ILN | 51 hr |
| Jun 27, 3:41 PM EDT | Red Flag Warning | ILN | 28 hr |
| Jun 29, 10:22 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 29, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 3:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 29, 3:11 PM EDT | Severe Thunderstorm Warning | ILN | 64 min |
| Jun 29, 3:17 PM EDT | Heat Advisory | ILN | 29 hr |
| Jun 30, 12:46 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 30, 4:51 AM EDT | Special Weather Statement | ILN | 54 min |
| Jun 30, 5:23 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 30, 5:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 6:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 1, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 3:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 1, 4:14 PM EDT | Severe Thunderstorm Warning | ILN | 46 min |
| Jul 1, 4:57 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jul 2, 3:56 PM EDT | Heat Advisory | ILN | 28 hr |
| Jul 3, 3:39 PM EDT | Excessive Heat Warning | ILN | 4 days |
| Jul 3, 3:39 PM EDT | Heat Advisory | ILN | 24 hr |
| Jul 4, 10:19 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 5, 3:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 5, 5:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 5, 6:43 PM EDT | Special Weather Statement | ILN | 32 min |
| Jul 5, 6:55 PM EDT | Severe Thunderstorm Warning | ILN | 35 min |
| Jul 5, 7:41 PM EDT | Special Weather Statement | ILN | 49 min |
| Jul 16, 3:34 PM EDT | Heat Advisory | ILN | 28 hr |
| Jul 18, 10:34 AM EDT | Heat Advisory | ILN | 8 hr |
| Jul 18, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 19, 8:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 24, 10:06 AM EDT | Special Weather Statement | ILN | 39 min |
| Jul 24, 10:08 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 24, 10:26 AM EDT | Severe Thunderstorm Warning | ILN | 34 min |
| Jul 24, 3:35 PM EDT | Heat Advisory | ILN | 28 hr |
| Jul 25, 3:07 PM EDT | Heat Advisory | ILN | 26 hr |
| Jul 25, 4:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 26, 12:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 27, 1:52 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 2:43 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 5:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 4, 10:55 AM EDT | Heat Advisory | ILN | 9 hr |
| Aug 4, 7:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 7:50 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 8:38 PM EDT | Severe Thunderstorm Warning | ILN | 67 min |
| Aug 5, 4:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 5:29 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 5, 7:15 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| Aug 9, 10:54 PM EDT | Special Weather Statement | ILN | 51 min |
| Aug 9, 10:59 PM EDT | Severe Thunderstorm Warning | ILN | 61 min |
| Aug 9, 11:02 PM EDT | Severe Thunderstorm Watch | SPC | 76 min |
| Aug 9, 11:41 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 16, 11:01 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Sep 5, 1:08 AM EDT | Dense Fog Advisory | ILN | 9 hr |
| Sep 7, 11:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 11:36 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 7, 1:05 PM EDT | Special Weather Statement | ILN | 85 min |
| Sep 7, 1:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 7, 2:08 PM EDT | Special Weather Statement | ILN | 52 min |
| Sep 7, 2:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 23, 4:07 AM EDT | Frost Advisory | ILN | 29 hr |
| Oct 6, 4:06 AM EDT | Freeze Watch | ILN | 24 hr |
| Oct 7, 4:02 AM EDT | Freeze Warning | ILN | 29 hr |
| Oct 14, 3:53 AM EDT | Wind Advisory | ILN | 18 hr |
| Oct 14, 8:27 PM EDT | Special Weather Statement | ILN | 63 min |
| Oct 18, 4:26 PM EDT | Special Weather Statement | ILN | 94 min |
| Oct 23, 11:10 AM EDT | Special Weather Statement | ILN | 110 min |
| Oct 28, 2:16 PM EDT | High Wind Watch | ILN | 14 hr |
| Oct 28, 2:16 PM EDT | Wind Advisory | ILN | 45 hr |
| Dec 2, 10:26 PM EST | Dense Fog Advisory | ILN | 9 hr |
| Dec 7, 5:21 AM EST | Dense Fog Advisory | ILN | 4 hr |
| Dec 19, 3:48 PM EST | Wind Advisory | ILN | 48 hr |
| Dec 19, 3:48 PM EST | Winter Weather Advisory | ILN | 54 hr |
| Dec 24, 3:56 AM EST | Winter Storm Watch | ILN | 36 hr |
| Dec 25, 4:14 AM EST | Winter Storm Warning | ILN | 35 hr |
| Dec 25, 3:46 PM EST | Blizzard Warning | ILN | 24 hr |
| Dec 25, 3:46 PM EST | Winter Weather Advisory | ILN | 27 hr |
| Dec 26, 3:25 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 26, 10:39 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 28, 3:31 AM EST | Winter Weather Advisory | ILN | 30 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 | 9 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 36 |
| Special Weather Statement | 19 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 9 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 8 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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. Rebuilt daily.