Alert archive / Ohio / Frost Advisories / 2021
Frost Advisories in Ohio, May 2021
18 frost advisories in May 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Frost Advisories
- 18
- Busiest day
- May 11, 20215 frost advisories
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 | Counties | Lasted |
|---|---|---|---|---|
| May 7, 2:37 PM EDT | Frost Advisory | IWX | Williams | 18 hr |
| May 7, 2:58 PM EDT | Frost Advisory | ILN | Adams, Brown, Butler, Clermont, Clinton, Darke and 5 more | 17 hr |
| May 9, 2:47 PM EDT | Frost Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 17 hr |
| May 9, 3:10 PM EDT | Frost Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 21 more | 15 hr |
| May 9, 3:39 PM EDT | Frost Advisory | ILN | Auglaize, Butler, Champaign, Clark, Darke, Delaware and 10 more | 16 hr |
| May 10, 12:29 PM EDT | Frost Advisory | CLE | Ashtabula, Hancock, Lucas, Ottawa, Sandusky, Seneca and 1 more | 15 hr |
| May 10, 2:56 PM EDT | Frost Advisory | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Williams | 17 hr |
| May 11, 11:52 AM EDT | Frost Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 19 hr |
| May 11, 12:12 PM EDT | Frost Advisory | RLX | Athens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more | 21 hr |
| May 11, 12:18 PM EDT | Frost Advisory | CLE | Ashland, Crawford, Hancock, Holmes, Huron, Knox and 16 more | 20 hr |
| May 11, 1:09 PM EDT | Frost Advisory | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 19 hr |
| May 11, 1:15 PM EDT | Frost Advisory | ILN | Auglaize, Brown, Butler, Champaign, Clark, Clermont and 24 more | 20 hr |
| May 12, 11:40 AM EDT | Frost Advisory | PBZ | Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more | 20 hr |
| May 12, 11:56 AM EDT | Frost Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 21 hr |
| May 12, 2:15 PM EDT | Frost Advisory | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 17 hr |
| May 12, 3:07 PM EDT | Frost Advisory | ILN | Fairfield, Hocking, Licking | 17 hr |
| May 12, 3:23 PM EDT | Frost Advisory | IWX | Defiance, Fulton, Henry, Paulding, Putnam, Williams | 16 hr |
| May 13, 2:40 PM EDT | Frost Advisory | RLX | Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Williams County5
- Defiance County4
- Fulton County4
- Henry County4
- Paulding County4
- Putnam County4
- Hancock County4
- Lucas County4
- Sandusky County4
- Seneca County4
- Wood County4
- Butler County3
- Darke County3
- Montgomery County3
- Preble County3
- Ashland County3
- Ashtabula County3
- Crawford County3
- Holmes County3
- Huron County3
- Knox County3
- Lorain County3
- Mahoning County3
- Marion County3
- Medina County3
- Morrow County3
- Ottawa County3
- Portage County3
- Richland County3
- Stark County3
- Summit County3
- Trumbull County3
- Wayne County3
- Wyandot County3
- Athens County3
- Gallia County3
- Jackson County3
- Meigs County3
- Morgan County3
- Perry County3
47 more counties
- Vinton County3
- Washington County3
- Brown County2
- Clermont County2
- Clinton County2
- Hamilton County2
- Highland County2
- Warren County2
- Allen County2
- Van Wert County2
- Cuyahoga County2
- Erie County2
- Geauga County2
- Auglaize County2
- Champaign County2
- Clark County2
- Delaware County2
- Greene County2
- Hardin County2
- Logan County2
- Madison County2
- Mercer County2
- Miami County2
- Shelby County2
- Union County2
- Belmont County2
- Carroll County2
- Columbiana County2
- Coshocton County2
- Guernsey County2
- Harrison County2
- Jefferson County2
- Monroe County2
- Muskingum County2
- Noble County2
- Tuscarawas County2
- Fairfield County2
- Hocking County2
- Licking County2
- Lawrence County2
- Adams County1
- Fayette County1
- Franklin County1
- Pickaway County1
- Pike County1
- Ross County1
- Lake County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.