Alert archive / Ohio / Greene County
Weather alerts in Greene County, Ohio, 2016
146 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greene County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 146
- Warnings
- 34
- Watches
- 15
- Advisories
- 45
- Busiest month
- April35 alerts
- Busiest day
- April 26, 201610 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Greene County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 14 | 30% | 7 | 86% | 15 min |
| Flash flood warnings | 4 | 4 | 0% | 2 | 50% | 20 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wilmington, OH: tornado warnings | 27 | 8 | 70% | 24 | 67% | 5 min |
| NWS Wilmington, OH: severe thunderstorm warnings | 202 | 119 | 41% | 445 | 63% | 17 min |
| NWS Wilmington, OH: flash flood warnings | 61 | 38 | 38% | 115 | 82% | 60 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, 1:33 AM EST | Special Weather Statement | ILN | 117 min |
| Jan 4, 2:50 AM EST | Special Weather Statement | ILN | 115 min |
| Jan 4, 4:40 AM EST | Special Weather Statement | ILN | 65 min |
| Jan 9, 9:09 PM EST | Winter Weather Advisory | ILN | 14 hr |
| Jan 10, 4:06 AM EST | Wind Advisory | ILN | 9 hr |
| Jan 11, 2:06 PM EST | Winter Weather Advisory | ILN | 29 hr |
| Jan 12, 8:56 AM EST | Special Weather Statement | ILN | 34 min |
| Jan 12, 10:11 AM EST | Special Weather Statement | ILN | 49 min |
| Jan 12, 10:57 AM EST | Special Weather Statement | ILN | 63 min |
| Jan 12, 11:41 AM EST | Special Weather Statement | ILN | 64 min |
| Jan 12, 3:38 PM EST | Wind Chill Advisory | ILN | 19 hr |
| Jan 17, 4:12 AM EST | Wind Chill Advisory | ILN | 33 hr |
| Jan 18, 3:32 PM EST | Wind Chill Advisory | ILN | 18 hr |
| Feb 3, 1:45 AM EST | Areal Flood Advisory | ILN | 4 hr |
| Feb 8, 4:22 AM EST | Winter Weather Advisory | ILN | 59 hr |
| Feb 8, 10:55 AM EST | Special Weather Statement | ILN | 65 min |
| Feb 12, 2:45 PM EST | Wind Chill Advisory | ILN | 19 hr |
| Feb 12, 6:13 PM EST | Special Weather Statement | ILN | 92 min |
| Feb 12, 6:22 PM EST | Special Weather Statement | ILN | 23 min |
| Feb 15, 5:40 AM EST | Freezing Rain Advisory | ILN | 6 hr |
| Feb 15, 5:52 PM EST | Dense Fog Advisory | ILN | 14 hr |
| Feb 18, 4:00 PM EST | Wind Advisory | ILN | 27 hr |
| Feb 24, 1:27 PM EST | Special Weather Statement | ILN | 33 min |
| Feb 24, 1:31 PM EST | Mesoscale Discussion | SPC | 59 min |
| Feb 24, 2:00 PM EST | Special Weather Statement | ILN | 30 min |
| Feb 24, 2:51 PM EST | Special Weather Statement | ILN | 24 min |
| Feb 24, 3:17 PM EST | Severe Thunderstorm Warning | ILN | 28 min |
| Feb 24, 3:22 PM EST | Special Weather Statement | ILN | 23 min |
| Feb 27, 3:04 PM EST | Wind Advisory | ILN | 28 hr |
| Mar 13, 11:49 PM EDT | Dense Fog Advisory | ILN | 3 hr |
| Mar 14, 2:13 PM EDT | Special Weather Statement | ILN | 62 min |
| Mar 15, 3:50 PM EDT | Wind Advisory | ILN | 28 hr |
| Mar 17, 9:18 AM EDT | Red Flag Warning | ILN | 11 hr |
| Mar 24, 3:45 AM EDT | Wind Advisory | ILN | 14 hr |
| Mar 24, 5:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 27, 10:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 1, 3:58 PM EDT | Freeze Watch | ILN | 12 hr |
| Apr 1, 3:58 PM EDT | Wind Advisory | ILN | 31 hr |
| Apr 2, 3:29 AM EDT | Freeze Warning | ILN | 31 hr |
| Apr 2, 11:38 AM EDT | High Wind Warning | ILN | 8 hr |
| Apr 2, 11:38 AM EDT | Wind Advisory | ILN | 11 hr |
| Apr 3, 3:00 PM EDT | Freeze Watch | ILN | 13 hr |
| Apr 4, 4:07 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 5, 12:39 PM EDT | Freeze Warning | ILN | 20 hr |
| Apr 6, 3:00 AM EDT | Wind Advisory | ILN | 16 hr |
| Apr 7, 3:14 AM EDT | Freeze Watch | ILN | 12 hr |
| Apr 7, 3:16 PM EDT | Freeze Watch | ILN | 13 hr |
| Apr 7, 3:16 PM EDT | Freeze Warning | ILN | 18 hr |
| Apr 8, 4:27 AM EDT | Freeze Watch | ILN | 23 hr |
| Apr 8, 4:27 AM EDT | Freeze Warning | ILN | 32 hr |
| Apr 9, 1:34 AM EDT | Special Weather Statement | ILN | 56 min |
| Apr 9, 3:39 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 9, 6:32 AM EDT | Special Weather Statement | ILN | 58 min |
| Apr 11, 3:25 PM EDT | Freeze Watch | ILN | 12 hr |
| Apr 12, 3:21 AM EDT | Freeze Warning | ILN | 30 hr |
| Apr 13, 2:58 PM EDT | Frost Advisory | ILN | 18 hr |
| Apr 26, 1:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 26, 2:54 PM EDT | Severe Thunderstorm Warning | ILN | 36 min |
| Apr 26, 3:34 PM EDT | Severe Thunderstorm Warning | ILN | 26 min |
| Apr 26, 3:38 PM EDT | Special Weather Statement | ILN | 37 min |
| Apr 26, 4:35 PM EDT | Special Weather Statement | ILN | 25 min |
| Apr 26, 4:59 PM EDT | Special Weather Statement | ILN | 31 min |
| Apr 26, 5:26 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Apr 26, 5:44 PM EDT | Special Weather Statement | ILN | 31 min |
| Apr 26, 6:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Apr 26, 6:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 3:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 28, 6:12 PM EDT | Special Weather Statement | ILN | 33 min |
| Apr 28, 6:20 PM EDT | Severe Thunderstorm Warning | ILN | 25 min |
| Apr 28, 6:34 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| Apr 28, 7:06 PM EDT | Severe Thunderstorm Warning | ILN | 24 min |
| May 1, 1:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 8:32 PM EDT | Severe Thunderstorm Warning | ILN | 43 min |
| May 1, 9:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 10, 4:48 PM EDT | Severe Thunderstorm Warning | ILN | 27 min |
| May 15, 10:40 AM EDT | Frost Advisory | ILN | 22 hr |
| May 15, 3:44 PM EDT | Freeze Warning | ILN | 17 hr |
| May 29, 5:42 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 29, 6:00 PM EDT | Special Weather Statement | ILN | 30 min |
| Jun 1, 7:00 PM EDT | Special Weather Statement | ILN | 45 min |
| Jun 6, 11:41 AM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 6, 3:11 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 15, 7:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 15, 7:37 PM EDT | Severe Thunderstorm Warning | ILN | 23 min |
| Jun 15, 7:58 PM EDT | Severe Thunderstorm Warning | ILN | 47 min |
| Jun 20, 4:03 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 2:44 PM EDT | Flash Flood Watch | ILN | 30 hr |
| Jun 22, 9:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 10:33 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 23, 12:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 23, 2:12 AM EDT | Severe Thunderstorm Warning | ILN | 33 min |
| Jun 23, 2:23 AM EDT | Severe Thunderstorm Warning | ILN | 37 min |
| Jun 23, 2:41 AM EDT | Severe Thunderstorm Warning | ILN | 34 min |
| Jun 23, 2:55 AM EDT | Severe Thunderstorm Warning | ILN | 50 min |
| Jun 23, 2:57 PM EDT | Special Weather Statement | ILN | 33 min |
| Jun 23, 3:01 PM EDT | Tornado Watch | SPC | 7 hr |
| Jul 13, 7:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 9:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 4:38 PM EDT | Flash Flood Warning | ILN | 112 min |
| Jul 14, 4:44 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Jul 21, 2:32 PM EDT | Heat Advisory | ILN | 4 days |
| Jul 22, 11:45 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Jul 22, 12:19 PM EDT | Areal Flood Advisory | ILN | 116 min |
| Jul 29, 4:15 PM EDT | Areal Flood Advisory | ILN | 90 min |
| Aug 2, 3:40 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| Aug 10, 10:09 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 10, 11:10 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 10, 8:19 PM EDT | Special Weather Statement | ILN | 26 min |
| Aug 12, 9:08 AM EDT | Flash Flood Watch | ILN | 55 hr |
| Aug 12, 9:21 AM EDT | Heat Advisory | ILN | 10 hr |
| Aug 14, 11:32 AM EDT | Areal Flood Advisory | ILN | 5 hr |
| Aug 14, 12:53 PM EDT | Areal Flood Advisory | ILN | 4 hr |
| Aug 15, 6:22 AM EDT | Severe Thunderstorm Warning | ILN | 23 min |
| Aug 15, 7:00 AM EDT | Severe Thunderstorm Warning | ILN | 30 min |
| Aug 15, 7:15 AM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 15, 4:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 16, 3:45 PM EDT | Special Weather Statement | ILN | 30 min |
| Aug 27, 1:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 2:45 PM EDT | Severe Thunderstorm Warning | ILN | 30 min |
| Aug 27, 3:13 PM EDT | Severe Thunderstorm Warning | ILN | 47 min |
| Aug 27, 3:21 PM EDT | Special Weather Statement | ILN | 24 min |
| Aug 28, 8:17 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Aug 28, 8:30 PM EDT | Severe Thunderstorm Warning | ILN | 30 min |
| Aug 28, 8:42 PM EDT | Flash Flood Warning | ILN | 3 hr |
| Aug 28, 8:50 PM EDT | Flash Flood Warning | ILN | 2 hr |
| Aug 28, 8:58 PM EDT | Severe Thunderstorm Warning | ILN | 47 min |
| Aug 28, 9:15 PM EDT | Flash Flood Warning | ILN | 3 hr |
| Sep 8, 2:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 8, 6:47 PM EDT | Special Weather Statement | ILN | 28 min |
| Sep 9, 12:51 AM EDT | Areal Flood Advisory | ILN | 114 min |
| Sep 9, 3:46 PM EDT | Flash Flood Watch | ILN | 12 hr |
| Sep 10, 1:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 10, 3:55 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Sep 10, 4:00 PM EDT | Special Weather Statement | ILN | 30 min |
| Sep 10, 4:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 4:57 PM EDT | Areal Flood Advisory | ILN | 2 hr |
| Sep 16, 6:46 PM EDT | Special Weather Statement | ILN | 29 min |
| Sep 16, 7:15 PM EDT | Special Weather Statement | ILN | 30 min |
| Sep 29, 1:30 AM EDT | Dense Fog Advisory | ILN | 6 hr |
| Oct 19, 9:50 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Oct 19, 10:15 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| Dec 14, 3:20 AM EST | Wind Chill Advisory | ILN | 34 hr |
| Dec 16, 4:59 AM EST | Freezing Rain Advisory | ILN | 31 hr |
| Dec 16, 11:42 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 17, 11:51 AM EST | Winter Weather Advisory | ILN | 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 | 20 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 32 |
| Flooding | |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 18 |
| Winter | |
| Freezing Rain Advisory | 2 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 6 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.