Alert archive / Ohio / Union County / 2026
Weather alerts in Union County, Ohio, May 2026
14 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 14
- Warnings
- 2
- Watches
- 2
- Advisories
- 5
- Busiest day
- May 19, 20264 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| May 1, 3:11 AM EDT | Frost Advisory | ILN | 30 hr |
| May 2, 1:13 PM EDT | Frost Advisory | ILN | 20 hr |
| May 16, 8:42 AM EDT | Special Weather Statement | ILN | 33 min |
| May 16, 9:02 AM EDT | Special Weather Statement | ILN | 43 min |
| May 18, 2:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 19, 4:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 19, 7:22 PM EDT | Special Weather Statement | ILN | 38 min |
| May 19, 7:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 19, 7:49 PM EDT | Severe Thunderstorm Warning | ILN | 41 min |
| May 19, 8:25 PM EDT | Severe Thunderstorm Warning | ILN | 65 min |
| May 19, 9:03 PM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 23, 2:19 AM EDT | Areal Flood Advisory | ILN | 3 hr |
| May 25, 1:09 AM EDT | Dense Fog Advisory | ILN | 5 hr |
| May 26, 1:44 PM EDT | Flood Watch | ILN | 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 | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 3 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Cold | |
| Frost Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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. Rebuilt daily.