Alert archive / Ohio / Guernsey County
Weather alerts in Guernsey County, Ohio, 2023
83 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Guernsey County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 83
- Warnings
- 19
- Watches
- 15
- Advisories
- 14
- Busiest month
- April22 alerts
- Busiest day
- July 29, 20238 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Guernsey County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 10 | 17% | 3 | 67% | 42 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 15 | 2 | 87% | 7 | 57% | 15 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 133 | 98 | 26% | 502 | 76% | 21 min |
| NWS Pittsburgh, PA: flash flood warnings | 32 | 19 | 41% | 63 | 71% | 49 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 19, 6:27 PM EST | Special Weather Statement | PBZ | 33 min |
| Jan 19, 6:57 PM EST | Special Weather Statement | PBZ | 48 min |
| Jan 24, 3:31 AM EST | Winter Weather Advisory | PBZ | 35 hr |
| Feb 8, 11:21 AM EST | Wind Advisory | PBZ | 43 hr |
| Feb 27, 4:07 PM EST | Tornado Watch | SPC | 3 hr |
| Mar 2, 1:13 PM EST | Wind Advisory | PBZ | 48 hr |
| Mar 2, 5:07 PM EST | Flood Watch | PBZ | 25 hr |
| Mar 3, 7:02 PM EST | Mesoscale Discussion | SPC | 58 min |
| Mar 18, 1:22 PM EDT | Special Weather Statement | PBZ | 38 min |
| Mar 18, 1:56 PM EDT | Special Weather Statement | PBZ | 49 min |
| Mar 23, 11:53 AM EDT | Flood Watch | PBZ | 29 hr |
| Mar 23, 6:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 1:26 PM EDT | Wind Advisory | PBZ | 34 hr |
| Mar 25, 11:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Mar 25, 1:01 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 25, 2:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Mar 31, 1:32 PM EDT | High Wind Warning | PBZ | 36 hr |
| Apr 1, 12:57 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 1, 11:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 1, 11:59 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 1, 12:13 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Apr 5, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 5, 5:51 PM EDT | Severe Thunderstorm Warning | PBZ | 54 min |
| Apr 5, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| Apr 5, 6:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 5, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | 66 min |
| Apr 5, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | 63 min |
| Apr 16, 1:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 16, 3:19 PM EDT | Special Weather Statement | PBZ | 26 min |
| Apr 16, 3:47 PM EDT | Special Weather Statement | PBZ | 28 min |
| Apr 16, 3:57 PM EDT | Special Weather Statement | PBZ | 33 min |
| Apr 18, 11:39 AM EDT | Freeze Warning | PBZ | 21 hr |
| Apr 19, 2:58 PM EDT | Red Flag Warning | PBZ | 29 hr |
| Apr 21, 2:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 22, 3:09 PM EDT | Frost Advisory | PBZ | 17 hr |
| Apr 24, 2:48 AM EDT | Freeze Watch | PBZ | 9 hr |
| Apr 24, 11:22 AM EDT | Freeze Warning | PBZ | 22 hr |
| Apr 25, 8:00 PM EDT | Freeze Watch | PBZ | 17 hr |
| Apr 26, 12:59 PM EDT | Frost Advisory | PBZ | 20 hr |
| Jun 15, 10:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 16, 12:09 AM EDT | Special Weather Statement | PBZ | 36 min |
| Jul 2, 8:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 2, 9:13 PM EDT | Special Weather Statement | PBZ | 32 min |
| Jul 2, 9:44 PM EDT | Special Weather Statement | PBZ | 46 min |
| Jul 6, 4:13 PM EDT | Special Weather Statement | PBZ | 32 min |
| Jul 17, 1:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 20, 6:19 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 24, 9:41 PM EDT | Special Weather Statement | PBZ | 34 min |
| Jul 24, 10:09 PM EDT | Special Weather Statement | PBZ | 36 min |
| Jul 24, 10:14 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| Jul 24, 10:34 PM EDT | Severe Thunderstorm Warning | PBZ | 56 min |
| Jul 24, 11:22 PM EDT | Areal Flood Advisory | PBZ | 108 min |
| Jul 27, 3:05 AM EDT | Heat Advisory | PBZ | 38 hr |
| Jul 28, 12:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 28, 2:40 PM EDT | Severe Thunderstorm Warning | PBZ | 26 min |
| Jul 29, 1:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 2:19 AM EDT | Special Weather Statement | PBZ | 41 min |
| Jul 29, 2:37 AM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Jul 29, 2:52 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 29, 5:30 AM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jul 29, 5:40 AM EDT | Severe Thunderstorm Warning | PBZ | 65 min |
| Jul 29, 6:06 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 29, 7:58 AM EDT | Areal Flood Advisory | PBZ | 2 hr |
| Aug 7, 10:57 AM EDT | Tornado Watch | SPC | 7 hr |
| Aug 12, 11:37 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 12:50 PM EDT | Tornado Watch | SPC | 8 hr |
| Aug 12, 4:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 12, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Aug 12, 8:06 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 23, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 23, 10:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 25, 2:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 25, 2:14 AM EDT | Special Weather Statement | PBZ | 31 min |
| Aug 25, 3:40 AM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Sep 13, 3:27 AM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Sep 30, 2:41 AM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Oct 1, 2:56 AM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Oct 9, 12:09 PM EDT | Frost Advisory | PBZ | 21 hr |
| Oct 10, 1:20 PM EDT | Frost Advisory | PBZ | 19 hr |
| Oct 21, 2:03 PM EDT | Freeze Watch | PBZ | 23 hr |
| Oct 22, 2:33 AM EDT | Freeze Warning | PBZ | 30 hr |
| Oct 29, 2:48 PM EDT | Freeze Watch | PBZ | 12 hr |
| Oct 30, 2:47 AM EDT | Freeze Warning | PBZ | 31 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 | 12 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 15 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 4 |
| Frost Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| 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 archive20222024
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.