Alert archive / Ohio / Guernsey County
Weather alerts in Guernsey County, Ohio, 2025
115 weather alerts in 2025, 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 2025. Tap one for its archive.
- Alerts
- 115
- Warnings
- 38
- Watches
- 22
- Advisories
- 24
- Busiest month
- June25 alerts
- Busiest day
- March 16, 20257 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 Guernsey County in 2025 had a tornado report inside them.
Guernsey County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 26 | 17 | 35% | 15 | 93% | 17 min |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 23 | 6 | 74% | 14 | 79% | 6 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 273 | 175 | 36% | 988 | 93% | 24 min |
| NWS Pittsburgh, PA: flash flood warnings | 125 | 93 | 26% | 452 | 92% | 70 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 2, 12:37 PM EST | Winter Weather Advisory | PBZ | 45 hr |
| Jan 3, 4:47 PM EST | Winter Storm Watch | PBZ | 34 hr |
| Jan 4, 4:18 PM EST | Winter Storm Warning | PBZ | 63 hr |
| Jan 9, 1:34 PM EST | Winter Weather Advisory | PBZ | 53 hr |
| Jan 15, 1:41 PM EST | Winter Weather Advisory | PBZ | 38 hr |
| Jan 17, 10:48 AM EST | Extreme Cold Watch | PBZ | 40 hr |
| Jan 19, 3:25 AM EST | Cold Weather Advisory | PBZ | 3 days |
| Feb 4, 2:33 PM EST | Winter Weather Advisory | PBZ | 43 hr |
| Feb 5, 9:43 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 13, 1:44 AM EST | Flood Watch | PBZ | 3 days |
| Feb 14, 2:36 PM EST | Winter Weather Advisory | PBZ | 26 hr |
| Feb 15, 2:56 PM EST | Winter Weather Advisory | PBZ | 46 hr |
| Feb 16, 3:56 AM EST | Flash Flood Warning | PBZ | 4 hr |
| Feb 16, 9:38 AM EST | Areal Flood Warning | PBZ | 11 hr |
| Feb 28, 9:52 PM EST | Special Weather Statement | PBZ | 38 min |
| Mar 1, 10:46 AM EST | Special Weather Statement | PBZ | 44 min |
| Mar 15, 8:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 16, 6:36 AM EDT | Special Weather Statement | PBZ | 39 min |
| Mar 16, 10:04 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 16, 10:31 AM EDT | Tornado Watch | SPC | 5 hr |
| Mar 16, 11:50 AM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Mar 16, 12:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Mar 16, 12:17 PM EDT | Severe Thunderstorm Warning | PBZ | 58 min |
| Mar 16, 5:10 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Mar 18, 5:54 PM EDT | Fire Weather Watch | PBZ | 13 hr |
| Mar 19, 6:28 AM EDT | Red Flag Warning | PBZ | 16 hr |
| Mar 30, 9:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 30, 10:12 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 1, 11:59 AM EDT | Flood Watch | PBZ | 5 days |
| Apr 2, 11:33 AM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Apr 2, 12:05 PM EDT | Severe Thunderstorm Warning | PBZ | 24 min |
| Apr 3, 12:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Apr 3, 12:56 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 3, 2:23 AM EDT | Severe Thunderstorm Warning | PBZ | 52 min |
| Apr 3, 3:05 AM EDT | Tornado Warning | PBZ | 25 min |
| Apr 3, 3:13 AM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Apr 4, 7:33 AM EDT | Areal Flood Warning | PBZ | 6 hr |
| Apr 5, 1:20 AM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Apr 5, 2:25 AM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| Apr 5, 4:21 AM EDT | River Flood Warning | PBZ | 3 days |
| Apr 16, 3:00 AM EDT | Frost Advisory | PBZ | 30 hr |
| Apr 19, 6:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 29, 12:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 29, 12:27 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 3:44 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| Apr 29, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | 44 min |
| May 1, 12:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 1, 2:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 2, 11:43 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 12:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 2, 2:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 3:00 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| May 2, 3:43 PM EDT | Severe Thunderstorm Warning | PBZ | 35 min |
| May 2, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | 37 min |
| May 2, 9:12 PM EDT | Severe Thunderstorm Warning | PBZ | 33 min |
| May 4, 2:34 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 4:22 AM EDT | Dense Fog Advisory | PBZ | 5 hr |
| May 5, 1:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| May 5, 4:07 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 5, 4:43 PM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| May 9, 2:19 AM EDT | Frost Advisory | PBZ | 30 hr |
| May 16, 9:56 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 16, 11:17 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| May 16, 11:24 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| May 16, 11:52 PM EDT | Severe Thunderstorm Warning | PBZ | 53 min |
| May 21, 2:43 PM EDT | Tornado Watch | SPC | 4 hr |
| May 29, 4:08 AM EDT | Dense Fog Advisory | PBZ | 5 hr |
| Jun 5, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 5, 4:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 7, 5:31 PM EDT | Flood Watch | PBZ | 26 hr |
| Jun 9, 2:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 9, 2:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 9, 4:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 15, 3:21 AM EDT | Flood Watch | PBZ | 39 hr |
| Jun 15, 5:54 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jun 17, 3:17 AM EDT | Flood Watch | PBZ | 27 hr |
| Jun 18, 7:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 18, 8:14 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 9:17 PM EDT | Severe Thunderstorm Warning | PBZ | 58 min |
| Jun 18, 9:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 18, 10:01 PM EDT | Severe Thunderstorm Warning | PBZ | 59 min |
| Jun 18, 10:06 PM EDT | Severe Thunderstorm Warning | PBZ | 54 min |
| Jun 18, 10:57 PM EDT | Severe Thunderstorm Warning | PBZ | 63 min |
| Jun 20, 2:02 AM EDT | Extreme Heat Watch | PBZ | 23 hr |
| Jun 21, 1:28 AM EDT | Heat Advisory | PBZ | 7 days |
| Jun 25, 2:10 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Jun 25, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 26, 2:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 26, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| Jun 27, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Jun 28, 11:48 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 28, 2:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 2, 5:25 AM EDT | Dense Fog Advisory | PBZ | 4 hr |
| Jul 7, 2:04 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 2:04 AM EDT | Flood Watch | PBZ | 21 hr |
| Jul 23, 1:10 PM EDT | Heat Advisory | PBZ | 31 hr |
| Jul 26, 5:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 28, 1:13 PM EDT | Heat Advisory | PBZ | 31 hr |
| Sep 22, 6:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 1:44 AM EDT | Dense Fog Advisory | PBZ | 8 hr |
| Oct 9, 12:18 PM EDT | Frost Advisory | PBZ | 21 hr |
| Oct 16, 12:40 PM EDT | Frost Advisory | PBZ | 20 hr |
| Oct 23, 1:14 AM EDT | Frost Advisory | PBZ | 16 hr |
| Oct 23, 5:02 PM EDT | Freeze Warning | PBZ | 16 hr |
| Oct 24, 12:53 PM EDT | Freeze Warning | PBZ | 20 hr |
| Oct 25, 12:58 PM EDT | Freeze Warning | PBZ | 20 hr |
| Nov 8, 5:47 AM EST | Dense Fog Advisory | PBZ | 4 hr |
| Nov 15, 6:14 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Nov 19, 11:55 PM EST | Dense Fog Advisory | PBZ | 10 hr |
| Dec 1, 1:09 AM EST | Winter Weather Advisory | PBZ | 45 hr |
| Dec 2, 4:54 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 12, 11:41 AM EST | Winter Storm Warning | PBZ | 49 hr |
| Dec 12, 11:41 AM EST | Winter Weather Advisory | PBZ | 67 hr |
| Dec 28, 1:13 AM EST | Wind Advisory | PBZ | 46 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.