Alert archive / Ohio / Summit County
Weather alerts in Summit County, Ohio, 2023
135 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Summit County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 135
- Warnings
- 29
- Watches
- 15
- Advisories
- 27
- Busiest month
- August31 alerts
- Busiest day
- March 25, 20237 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Summit County in 2023 had a tornado report inside them.
Summit County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 17 | 15 | 12% | 25 | 100% | 28 min |
| Flash flood warnings | 3 | 1 | 67% | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cleveland, OH: tornado warnings | 31 | 11 | 65% | 32 | 66% | 14 min |
| NWS Cleveland, OH: severe thunderstorm warnings | 176 | 130 | 26% | 552 | 89% | 25 min |
| NWS Cleveland, OH: flash flood warnings | 25 | 13 | 48% | 22 | 100% | 67 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, 5:35 PM EST | Dense Fog Advisory | CLE | 12 hr |
| Jan 12, 4:28 AM EST | Winter Weather Advisory | CLE | 47 hr |
| Jan 19, 1:54 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Jan 19, 4:49 PM EST | Mesoscale Discussion | SPC | 86 min |
| Jan 19, 6:05 PM EST | Severe Thunderstorm Warning | CLE | 55 min |
| Jan 19, 6:30 PM EST | Special Weather Statement | CLE | 45 min |
| Jan 22, 9:17 AM EST | Winter Weather Advisory | CLE | 13 hr |
| Jan 22, 9:29 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 22, 1:03 PM EST | Mesoscale Discussion | SPC | 117 min |
| Jan 24, 3:52 AM EST | Winter Weather Advisory | CLE | 36 hr |
| Jan 25, 9:12 AM EST | Special Weather Statement | CLE | 63 min |
| Jan 30, 5:38 AM EST | Winter Weather Advisory | CLE | 5 hr |
| Feb 8, 2:42 PM EST | Wind Advisory | CLE | 36 hr |
| Feb 21, 9:29 PM EST | Winter Weather Advisory | CLE | 18 hr |
| Feb 27, 6:11 PM EST | Areal Flood Advisory | CLE | 3 hr |
| Mar 3, 11:21 AM EST | Wind Advisory | CLE | 15 hr |
| Mar 9, 3:58 AM EST | Winter Weather Advisory | CLE | 47 hr |
| Mar 13, 7:19 PM EDT | Special Weather Statement | CLE | 86 min |
| Mar 13, 8:46 PM EDT | Special Weather Statement | CLE | 89 min |
| Mar 13, 9:29 PM EDT | Special Weather Statement | CLE | 61 min |
| Mar 18, 11:04 AM EDT | Special Weather Statement | CLE | 56 min |
| Mar 18, 11:43 AM EDT | Special Weather Statement | CLE | 77 min |
| Mar 18, 12:56 PM EDT | Special Weather Statement | CLE | 94 min |
| Mar 18, 5:46 PM EDT | Special Weather Statement | CLE | 59 min |
| Mar 18, 6:37 PM EDT | Special Weather Statement | CLE | 53 min |
| Mar 24, 2:18 PM EDT | Wind Advisory | CLE | 26 hr |
| Mar 24, 9:47 PM EDT | High Wind Warning | CLE | 26 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, 1:31 PM EDT | Special Weather Statement | CLE | 29 min |
| Mar 25, 1:44 PM EDT | Severe Thunderstorm Warning | CLE | 31 min |
| Mar 25, 1:54 PM EDT | Severe Thunderstorm Warning | CLE | 36 min |
| Mar 25, 2:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Mar 31, 11:57 AM EDT | Wind Advisory | CLE | 31 hr |
| Apr 1, 12:28 AM EDT | Special Weather Statement | CLE | 47 min |
| Apr 1, 12:57 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 1, 2:47 AM EDT | Severe Thunderstorm Warning | CLE | 58 min |
| 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, 12:17 PM EDT | Severe Thunderstorm Warning | CLE | 58 min |
| Apr 5, 1:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 5, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 5, 6:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 15, 6:38 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Apr 16, 1:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 16, 4:05 PM EDT | Special Weather Statement | CLE | 40 min |
| Apr 16, 4:19 PM EDT | Special Weather Statement | CLE | 41 min |
| Apr 16, 4:57 PM EDT | Special Weather Statement | CLE | 48 min |
| Apr 17, 12:49 PM EDT | Special Weather Statement | CLE | 71 min |
| Apr 18, 11:51 AM EDT | Freeze Warning | CLE | 21 hr |
| Apr 22, 3:34 PM EDT | Special Weather Statement | CLE | 56 min |
| Apr 24, 3:32 AM EDT | Freeze Watch | CLE | 12 hr |
| Apr 24, 3:03 PM EDT | Freeze Warning | CLE | 17 hr |
| Apr 25, 9:31 PM EDT | Freeze Watch | CLE | 15 hr |
| Apr 26, 12:17 PM EDT | Freeze Warning | CLE | 20 hr |
| May 4, 1:07 PM EDT | Frost Advisory | CLE | 19 hr |
| May 17, 9:47 AM EDT | Frost Advisory | CLE | 22 hr |
| May 17, 2:35 PM EDT | Freeze Warning | CLE | 17 hr |
| Jun 15, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 15, 7:17 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 15, 7:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 25, 7:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 26, 3:25 PM EDT | Special Weather Statement | CLE | 65 min |
| Jul 15, 3:01 PM EDT | Special Weather Statement | CLE | 44 min |
| Jul 15, 3:12 PM EDT | Severe Thunderstorm Warning | CLE | 26 min |
| Jul 17, 7:16 PM EDT | Special Weather Statement | CLE | 44 min |
| Jul 20, 2:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 20, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 20, 5:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 20, 6:59 PM EDT | Severe Thunderstorm Warning | CLE | 76 min |
| Jul 20, 8:00 PM EDT | Severe Thunderstorm Warning | CLE | 75 min |
| Jul 20, 8:12 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 23, 8:30 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 25, 2:04 PM EDT | Severe Thunderstorm Warning | CLE | 41 min |
| Jul 25, 2:41 PM EDT | Severe Thunderstorm Warning | CLE | 39 min |
| Jul 25, 2:44 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| Jul 26, 5:08 PM EDT | Special Weather Statement | CLE | 52 min |
| Jul 26, 5:56 PM EDT | Severe Thunderstorm Warning | CLE | 64 min |
| Jul 26, 6:58 PM EDT | Special Weather Statement | CLE | 77 min |
| Jul 27, 3:23 AM EDT | Heat Advisory | CLE | 36 hr |
| Jul 28, 10:17 AM EDT | Flood Watch | CLE | 22 hr |
| Jul 28, 12:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 29, 2:52 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 29, 4:46 AM EDT | Special Weather Statement | CLE | 44 min |
| Jul 29, 5:20 AM EDT | Areal Flood Advisory | CLE | 4 hr |
| Jul 29, 6:06 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 6, 3:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 3:29 PM EDT | Special Weather Statement | CLE | 31 min |
| Aug 6, 8:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 6, 8:07 PM EDT | Special Weather Statement | CLE | 38 min |
| Aug 6, 8:44 PM EDT | Special Weather Statement | CLE | 61 min |
| Aug 7, 3:35 PM EDT | Areal Flood Advisory | CLE | 103 min |
| Aug 12, 11:37 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 12:50 PM EDT | Tornado Watch | SPC | 8 hr |
| Aug 12, 3:17 PM EDT | Special Weather Statement | CLE | 43 min |
| Aug 12, 3:32 PM EDT | Severe Thunderstorm Warning | CLE | 28 min |
| Aug 12, 3:49 PM EDT | Severe Thunderstorm Warning | CLE | 41 min |
| Aug 12, 4:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 23, 1:31 PM EDT | Special Weather Statement | CLE | 44 min |
| Aug 23, 2:18 PM EDT | Severe Thunderstorm Warning | CLE | 42 min |
| Aug 23, 2:31 PM EDT | Flood Watch | CLE | 37 hr |
| Aug 23, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 23, 3:10 PM EDT | Special Weather Statement | CLE | 50 min |
| Aug 23, 3:52 PM EDT | Special Weather Statement | CLE | 38 min |
| Aug 23, 9:09 PM EDT | Flash Flood Warning | CLE | 5 hr |
| Aug 23, 9:14 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| Aug 23, 9:46 PM EDT | Flash Flood Warning | CLE | 5 hr |
| Aug 23, 10:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 23, 10:24 PM EDT | Flash Flood Warning | CLE | 6 hr |
| Aug 23, 11:57 PM EDT | River Flood Warning | CLE | 2 hr |
| Aug 24, 3:10 PM EDT | Special Weather Statement | CLE | 50 min |
| Aug 24, 9:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 24, 9:48 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 24, 11:34 PM EDT | Severe Thunderstorm Warning | CLE | 56 min |
| Aug 24, 11:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 11:57 PM EDT | Tornado Warning | CLE | 33 min |
| Aug 25, 12:20 AM EDT | Severe Thunderstorm Warning | CLE | 55 min |
| Sep 30, 2:55 PM EDT | Dense Fog Advisory | CLE | 19 hr |
| Oct 21, 2:31 PM EDT | Freeze Watch | CLE | 24 hr |
| Oct 22, 2:01 PM EDT | Freeze Warning | CLE | 19 hr |
| Oct 29, 2:57 PM EDT | Freeze Watch | CLE | 12 hr |
| Oct 30, 3:12 AM EDT | Freeze Warning | CLE | 31 hr |
| Nov 1, 1:29 AM EDT | Special Weather Statement | CLE | 2 hr |
| Nov 26, 2:10 PM EST | Winter Weather Advisory | CLE | 53 hr |
| Nov 28, 8:53 AM EST | Special Weather Statement | CLE | 67 min |
| Nov 28, 10:00 AM EST | Special Weather Statement | CLE | 60 min |
| Dec 3, 8:10 AM EST | Dense Fog Advisory | CLE | 4 hr |
| Dec 3, 3:32 PM EST | Special Weather Statement | CLE | 43 min |
| Dec 9, 7:54 PM EST | Special Weather Statement | CLE | 66 min |
| Dec 18, 4:14 AM EST | Winter Weather Advisory | CLE | 30 hr |
| Dec 18, 4:31 PM EST | Special Weather Statement | CLE | 89 min |
| Dec 18, 7:49 PM EST | Special Weather Statement | CLE | 86 min |
| Dec 19, 12:43 AM EST | Special Weather Statement | CLE | 92 min |
| Dec 24, 1:03 AM EST | Dense Fog Advisory | CLE | 10 hr |
| Dec 27, 1:49 PM EST | Dense Fog Advisory | CLE | 19 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 | 17 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 39 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 4 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 4 |
| 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 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.