Alert archive / Ohio / Cuyahoga County
Weather alerts in Cuyahoga County, Ohio, 2018
117 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cuyahoga County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 117
- Warnings
- 22
- Watches
- 5
- Advisories
- 37
- Busiest month
- January16 alerts
- Busiest day
- July 5, 20185 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Cuyahoga County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 16 | 12 | 25% | 36 | 61% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cleveland, OH: tornado warnings | 11 | 2 | 82% | 6 | 50% | 15 min |
| NWS Cleveland, OH: severe thunderstorm warnings | 84 | 55 | 35% | 190 | 55% | 21 min |
| NWS Cleveland, OH: flash flood warnings | 15 | 2 | 87% | 7 | 57% | 45 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 1, 3:18 PM EST | Wind Chill Advisory | CLE | 43 hr |
| Jan 3, 3:18 PM EST | Wind Chill Advisory | CLE | 4 days |
| Jan 6, 11:35 AM EST | Wind Chill Advisory | CLE | 22 hr |
| Jan 7, 2:29 PM EST | Winter Weather Advisory | CLE | 22 hr |
| Jan 8, 1:00 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 10, 4:02 PM EST | Winter Storm Watch | CLE | 24 hr |
| Jan 11, 3:35 PM EST | Winter Storm Warning | CLE | 38 hr |
| Jan 12, 8:51 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 12, 9:59 AM EST | Areal Flood Advisory | CLE | 12 hr |
| Jan 12, 2:58 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 13, 6:14 AM EST | Special Weather Statement | CLE | 91 min |
| Jan 13, 8:23 AM EST | Special Weather Statement | CLE | 82 min |
| Jan 13, 9:42 AM EST | Special Weather Statement | CLE | 2 hr |
| Jan 23, 12:30 AM EST | Special Weather Statement | CLE | 75 min |
| Jan 23, 3:59 PM EST | Special Weather Statement | CLE | 61 min |
| Jan 29, 2:42 AM EST | Winter Weather Advisory | CLE | 31 hr |
| Feb 1, 11:32 PM EST | Special Weather Statement | CLE | 118 min |
| Feb 6, 2:41 AM EST | Winter Weather Advisory | CLE | 33 hr |
| Feb 7, 5:28 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 10, 10:05 AM EST | Winter Weather Advisory | CLE | 9 hr |
| Feb 21, 3:28 PM EST | Winter Weather Advisory | CLE | 19 hr |
| Feb 25, 2:35 AM EST | Wind Advisory | CLE | 9 hr |
| Mar 1, 11:45 AM EST | Wind Advisory | CLE | 16 hr |
| Mar 1, 2:10 PM EST | Winter Storm Warning | CLE | 20 hr |
| Mar 1, 5:48 PM EST | Areal Flood Advisory | CLE | 12 hr |
| Mar 1, 6:59 PM EST | River Flood Warning | CLE | 26 hr |
| Mar 8, 2:41 AM EST | Special Weather Statement | CLE | 79 min |
| Mar 8, 2:47 AM EST | Winter Weather Advisory | CLE | 40 hr |
| Mar 9, 1:13 PM EST | Special Weather Statement | CLE | 77 min |
| Mar 9, 2:41 PM EST | Special Weather Statement | CLE | 2 hr |
| Mar 13, 9:11 AM EDT | Special Weather Statement | CLE | 49 min |
| Apr 4, 3:39 AM EDT | Wind Advisory | CLE | 16 hr |
| Apr 15, 6:22 PM EDT | Areal Flood Warning | CLE | 6 hr |
| Apr 15, 8:05 PM EDT | River Flood Warning | CLE | 27 hr |
| Apr 16, 12:22 AM EDT | Areal Flood Advisory | CLE | 18 hr |
| Apr 27, 4:45 PM EDT | Special Weather Statement | CLE | 75 min |
| May 4, 3:34 AM EDT | Wind Advisory | CLE | 14 hr |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 14, 5:25 AM EDT | Dense Fog Advisory | CLE | 4 hr |
| May 19, 4:01 PM EDT | Special Weather Statement | CLE | 29 min |
| May 19, 4:24 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| May 19, 5:05 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| May 22, 12:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 22, 1:23 PM EDT | Severe Thunderstorm Warning | CLE | 52 min |
| May 22, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 22, 2:12 PM EDT | Severe Thunderstorm Warning | CLE | 44 min |
| May 31, 3:29 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| May 31, 4:10 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| May 31, 4:39 PM EDT | Severe Thunderstorm Warning | CLE | 36 min |
| Jun 3, 1:13 PM EDT | Special Weather Statement | CLE | 92 min |
| Jun 3, 1:58 PM EDT | Severe Thunderstorm Warning | CLE | 47 min |
| Jun 4, 4:03 AM EDT | Beach Hazards Statement | CLE | 17 hr |
| Jun 5, 2:18 AM EDT | Special Weather Statement | CLE | 42 min |
| Jun 10, 4:25 AM EDT | Beach Hazards Statement | CLE | 7 hr |
| Jun 11, 4:04 AM EDT | Beach Hazards Statement | CLE | 13 hr |
| Jun 18, 3:38 AM EDT | Heat Advisory | CLE | 16 hr |
| Jun 21, 9:56 AM EDT | Beach Hazards Statement | CLE | 24 hr |
| Jun 29, 9:41 AM EDT | Heat Advisory | CLE | 35 hr |
| Jul 3, 2:44 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 4, 3:08 AM EDT | Heat Advisory | CLE | 18 hr |
| Jul 5, 3:31 PM EDT | Special Weather Statement | CLE | 44 min |
| Jul 5, 3:35 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 5, 3:42 PM EDT | Severe Thunderstorm Warning | CLE | 48 min |
| Jul 5, 4:16 PM EDT | Beach Hazards Statement | CLE | 38 hr |
| Jul 5, 4:47 PM EDT | Special Weather Statement | CLE | 58 min |
| Jul 5, 10:25 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 5, 10:36 PM EDT | Special Weather Statement | CLE | 54 min |
| Jul 21, 9:18 PM EDT | Beach Hazards Statement | CLE | 20 hr |
| Jul 23, 8:19 PM EDT | Severe Thunderstorm Warning | CLE | 41 min |
| Jul 26, 1:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 26, 4:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 5:06 PM EDT | Special Weather Statement | CLE | 24 min |
| Jul 26, 5:49 PM EDT | Severe Thunderstorm Warning | CLE | 41 min |
| Jul 26, 7:04 PM EDT | Areal Flood Warning | CLE | 3 hr |
| Aug 6, 1:28 PM EDT | Special Weather Statement | CLE | 32 min |
| Aug 6, 3:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 6, 11:01 PM EDT | Special Weather Statement | CLE | 59 min |
| Aug 6, 11:09 PM EDT | Severe Thunderstorm Warning | CLE | 66 min |
| Aug 6, 11:36 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Aug 21, 4:16 PM EDT | Beach Hazards Statement | CLE | 36 hr |
| Aug 26, 5:00 AM EDT | Areal Flood Advisory | CLE | 3 hr |
| Aug 29, 2:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 29, 3:05 PM EDT | Special Weather Statement | CLE | 85 min |
| Aug 29, 3:11 PM EDT | Beach Hazards Statement | CLE | 19 hr |
| Aug 29, 3:23 PM EDT | Severe Thunderstorm Warning | CLE | 38 min |
| Aug 29, 3:47 PM EDT | Areal Flood Advisory | CLE | 88 min |
| Sep 4, 2:56 PM EDT | Areal Flood Advisory | CLE | 2 hr |
| Sep 5, 6:37 PM EDT | Severe Thunderstorm Warning | CLE | 10 min |
| Sep 5, 6:49 PM EDT | Severe Thunderstorm Warning | CLE | 26 min |
| Sep 7, 3:36 PM EDT | Beach Hazards Statement | CLE | 66 hr |
| Sep 8, 4:09 AM EDT | Flash Flood Watch | CLE | 48 hr |
| Sep 18, 3:28 AM EDT | Dense Fog Advisory | CLE | 7 hr |
| Sep 20, 2:26 PM EDT | Severe Thunderstorm Warning | CLE | 49 min |
| Sep 21, 4:02 AM EDT | Beach Hazards Statement | CLE | 35 hr |
| Sep 21, 3:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 21, 4:08 PM EDT | Special Weather Statement | CLE | 37 min |
| Sep 21, 4:24 PM EDT | Severe Thunderstorm Warning | CLE | 27 min |
| Sep 25, 3:50 PM EDT | Beach Hazards Statement | CLE | 30 hr |
| Sep 28, 3:49 PM EDT | Beach Hazards Statement | CLE | 12 hr |
| Oct 2, 4:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Oct 6, 9:15 PM EDT | Special Weather Statement | CLE | 45 min |
| Oct 6, 9:59 PM EDT | Special Weather Statement | CLE | 61 min |
| Oct 20, 12:36 PM EDT | Wind Advisory | CLE | 14 hr |
| Oct 20, 4:21 PM EDT | Severe Thunderstorm Warning | CLE | 54 min |
| Oct 31, 3:56 AM EDT | Flood Watch | CLE | 54 hr |
| Nov 6, 3:42 AM EST | Wind Advisory | CLE | 18 hr |
| Nov 14, 2:28 PM EST | Winter Weather Advisory | CLE | 37 hr |
| Nov 26, 3:43 AM EST | Wind Advisory | CLE | 22 hr |
| Nov 30, 2:45 PM EST | Dense Fog Advisory | CLE | 16 hr |
| Dec 2, 12:43 AM EST | Special Weather Statement | CLE | 62 min |
| Dec 2, 4:28 PM EST | Mesoscale Discussion | SPC | 92 min |
| Dec 2, 6:13 PM EST | Special Weather Statement | CLE | 47 min |
| Dec 2, 6:36 PM EST | Severe Thunderstorm Warning | CLE | 54 min |
| Dec 6, 5:34 PM EST | Special Weather Statement | CLE | 41 min |
| Dec 27, 3:33 AM EST | Wind Advisory | CLE | 27 hr |
| Dec 31, 5:35 PM EST | Special Weather Statement | CLE | 115 min |
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 | 2 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 28 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 13 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Beach Hazards Statement | 12 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.