Alert archive / Ohio / Hancock County
Weather alerts in Hancock County, Ohio, 2017
124 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hancock County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 124
- Warnings
- 35
- Watches
- 13
- Advisories
- 29
- Busiest month
- July25 alerts
- Busiest day
- March 1, 20179 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Hancock County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 16 | 13 | 19% | 15 | 87% | 14 min |
| Flash flood warnings | 3 | 1 | 67% | 1 | 100% | 65 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cleveland, OH: tornado warnings | 15 | 5 | 67% | 24 | 50% | 10 min |
| NWS Cleveland, OH: severe thunderstorm warnings | 148 | 107 | 28% | 281 | 76% | 22 min |
| NWS Cleveland, OH: flash flood warnings | 17 | 8 | 53% | 16 | 100% | 50 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 6, 3:20 AM EST | Wind Chill Advisory | CLE | 7 hr |
| Jan 6, 2:35 PM EST | Wind Chill Advisory | CLE | 18 hr |
| Jan 9, 12:52 PM EST | Winter Weather Advisory | CLE | 24 hr |
| Jan 9, 2:59 PM EST | Wind Advisory | CLE | 33 hr |
| Jan 10, 7:59 PM EST | Special Weather Statement | CLE | 2 hr |
| Jan 10, 9:07 PM EST | Severe Thunderstorm Warning | CLE | 38 min |
| Jan 12, 9:40 AM EST | Areal Flood Advisory | CLE | 6 hr |
| Jan 12, 5:30 PM EST | Areal Flood Advisory | CLE | 18 hr |
| Feb 7, 2:44 AM EST | Dense Fog Advisory | CLE | 6 hr |
| Feb 8, 2:43 PM EST | Winter Weather Advisory | CLE | 8 hr |
| Feb 24, 5:56 PM EST | Mesoscale Discussion | SPC | 94 min |
| Feb 24, 6:36 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
| Feb 24, 10:09 PM EST | Special Weather Statement | CLE | 66 min |
| Feb 28, 6:59 PM EST | Special Weather Statement | CLE | 61 min |
| Feb 28, 7:00 PM EST | Mesoscale Discussion | SPC | 90 min |
| Feb 28, 11:03 PM EST | Mesoscale Discussion | SPC | 117 min |
| Mar 1, 12:37 AM EST | Special Weather Statement | CLE | 38 min |
| Mar 1, 12:55 AM EST | Severe Thunderstorm Warning | CLE | 65 min |
| Mar 1, 1:44 AM EST | Mesoscale Discussion | SPC | 61 min |
| Mar 1, 2:51 AM EST | Wind Advisory | CLE | 25 hr |
| Mar 1, 3:18 AM EST | Severe Thunderstorm Warning | CLE | 42 min |
| Mar 1, 3:24 AM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 1, 3:59 AM EST | Severe Thunderstorm Warning | CLE | 61 min |
| Mar 7, 12:01 PM EST | Wind Advisory | CLE | 33 hr |
| Mar 7, 9:53 PM EST | High Wind Warning | CLE | 21 hr |
| Mar 12, 2:36 PM EDT | Winter Weather Advisory | CLE | 3 days |
| Mar 13, 4:10 PM EDT | Winter Weather Advisory | CLE | 12 hr |
| Mar 21, 5:13 AM EDT | Dense Fog Advisory | CLE | 5 hr |
| Mar 22, 9:50 AM EDT | Special Weather Statement | CLE | 10 min |
| Apr 6, 3:33 AM EDT | Wind Advisory | CLE | 24 hr |
| Apr 10, 6:45 PM EDT | Special Weather Statement | CLE | 60 min |
| Apr 19, 2:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Apr 20, 1:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 20, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 20, 4:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 20, 5:27 PM EDT | Severe Thunderstorm Warning | CLE | 39 min |
| Apr 20, 7:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Apr 30, 5:48 PM EDT | Special Weather Statement | CLE | 57 min |
| Apr 30, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | 32 min |
| May 2, 3:12 AM EDT | Wind Advisory | CLE | 15 hr |
| May 3, 5:16 PM EDT | Flood Watch | CLE | 47 hr |
| May 4, 11:28 AM EDT | River Flood Warning | CLE | 3 days |
| May 4, 6:33 PM EDT | Areal Flood Warning | CLE | 24 hr |
| May 4, 10:46 PM EDT | River Flood Warning | CLE | 46 hr |
| May 7, 3:36 AM EDT | Freeze Watch | CLE | 11 hr |
| May 7, 2:10 PM EDT | Freeze Warning | CLE | 19 hr |
| May 18, 7:18 PM EDT | Special Weather Statement | CLE | 27 min |
| May 27, 8:26 PM EDT | River Flood Warning | CLE | 14 hr |
| May 28, 1:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 28, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 28, 3:05 PM EDT | Special Weather Statement | CLE | 55 min |
| May 28, 3:16 PM EDT | Special Weather Statement | CLE | 44 min |
| May 28, 4:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 28, 5:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| May 28, 7:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 4, 4:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 13, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 4:27 PM EDT | Severe Thunderstorm Warning | CLE | 63 min |
| Jun 13, 5:53 PM EDT | Severe Thunderstorm Warning | CLE | 52 min |
| Jun 13, 5:57 PM EDT | Flash Flood Warning | CLE | 6 hr |
| Jun 13, 7:55 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| Jun 13, 11:46 PM EDT | Areal Flood Advisory | CLE | 6 hr |
| Jun 16, 6:50 PM EDT | Special Weather Statement | CLE | 40 min |
| Jun 19, 2:32 PM EDT | Special Weather Statement | CLE | 118 min |
| Jun 29, 7:04 PM EDT | Special Weather Statement | CLE | 26 min |
| Jun 30, 1:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 5:33 PM EDT | Flash Flood Watch | CLE | 6 hr |
| Jun 30, 6:39 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 3, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | 40 min |
| Jul 3, 6:39 PM EDT | Special Weather Statement | CLE | 36 min |
| Jul 7, 6:46 AM EDT | Special Weather Statement | CLE | 44 min |
| Jul 7, 9:46 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 10:34 AM EDT | Severe Thunderstorm Warning | CLE | 41 min |
| Jul 7, 10:46 AM EDT | Severe Thunderstorm Warning | CLE | 59 min |
| Jul 7, 11:22 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 7, 11:29 AM EDT | Areal Flood Warning | CLE | 3 hr |
| Jul 10, 9:34 AM EDT | Special Weather Statement | CLE | 26 min |
| Jul 10, 11:49 AM EDT | Severe Thunderstorm Warning | CLE | 44 min |
| Jul 10, 9:36 PM EDT | Special Weather Statement | CLE | 24 min |
| Jul 11, 12:22 AM EDT | River Flood Warning | CLE | 17 hr |
| Jul 12, 3:18 PM EDT | Flash Flood Watch | CLE | 37 hr |
| Jul 13, 3:19 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 13, 3:31 AM EDT | Special Weather Statement | CLE | 59 min |
| Jul 13, 3:49 AM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 13, 4:36 AM EDT | River Flood Warning | CLE | 3 days |
| Jul 13, 4:40 AM EDT | Flash Flood Warning | CLE | 6 hr |
| Jul 13, 5:32 AM EDT | River Flood Warning | CLE | 31 hr |
| Jul 13, 10:46 AM EDT | Areal Flood Warning | CLE | 30 hr |
| Jul 14, 4:25 PM EDT | Areal Flood Warning | CLE | 24 hr |
| Jul 16, 4:55 PM EDT | Severe Thunderstorm Warning | CLE | 65 min |
| Jul 16, 6:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 23, 2:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 5:46 PM EDT | Severe Thunderstorm Warning | CLE | 36 min |
| Aug 17, 12:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 21, 3:03 PM EDT | Special Weather Statement | CLE | 57 min |
| Aug 28, 6:40 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Aug 28, 8:16 PM EDT | Special Weather Statement | CLE | 104 min |
| Aug 29, 11:13 AM EDT | Special Weather Statement | CLE | 3 hr |
| Aug 30, 2:59 AM EDT | Dense Fog Advisory | CLE | 7 hr |
| Sep 4, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 4, 6:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 4, 7:58 PM EDT | Special Weather Statement | CLE | 62 min |
| Sep 4, 9:08 PM EDT | Special Weather Statement | CLE | 52 min |
| Sep 4, 10:14 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| Sep 4, 10:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Sep 4, 10:36 PM EDT | Flash Flood Warning | CLE | 6 hr |
| Sep 30, 2:00 PM EDT | Frost Advisory | CLE | 18 hr |
| Oct 7, 10:35 PM EDT | Special Weather Statement | CLE | 55 min |
| Oct 25, 4:10 AM EDT | Freeze Warning | CLE | 29 hr |
| Nov 5, 2:08 AM EST | Flash Flood Watch | CLE | 25 hr |
| Nov 5, 12:08 PM EST | Tornado Watch | SPC | 7 hr |
| Nov 5, 2:53 PM EST | Severe Thunderstorm Warning | CLE | 67 min |
| Nov 5, 3:57 PM EST | Mesoscale Discussion | SPC | 63 min |
| Nov 5, 4:01 PM EST | Severe Thunderstorm Warning | CLE | 30 min |
| Nov 17, 2:45 PM EST | Wind Advisory | CLE | 42 hr |
| Nov 18, 9:49 AM EST | Flood Watch | CLE | 14 hr |
| Nov 18, 4:11 PM EST | River Flood Warning | CLE | 55 hr |
| Nov 18, 4:11 PM EST | River Flood Warning | CLE | 27 hr |
| Nov 18, 5:14 PM EST | Areal Flood Warning | CLE | 12 hr |
| Nov 19, 5:27 AM EST | Areal Flood Advisory | CLE | 5 hr |
| Nov 19, 10:20 AM EST | Areal Flood Advisory | CLE | 5 hr |
| Dec 23, 3:24 PM EST | Winter Weather Advisory | CLE | 48 hr |
| Dec 26, 3:27 AM EST | Wind Chill Advisory | CLE | 32 hr |
| Dec 31, 3:13 AM EST | Wind Chill Advisory | CLE | 6 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 | 16 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 24 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 3 |
| River Flood Warning | 8 |
| Flash Flood Watch | 3 |
| Flood Watch | 2 |
| Areal Flood Advisory | 10 |
| Winter | |
| Winter Weather Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| 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 archive20162018
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.