Alert archive / Ohio / Mesoscale Discussions

Mesoscale Discussions in Ohio, 2025

93 mesoscale discussions in 2025. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2025. Tap one for its archive.

Mesoscale Discussions
93
Busiest month
June23 mesoscale discussions
Busiest day
April 3, 20255 mesoscale discussions

Over time

By month

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.

IssuedProductOfficeCountiesLasted
Jan 5, 10:39 PM ESTMesoscale DiscussionSPCAthens, Clinton, Fairfield, Fayette, Gallia, Greene and 15 more4 hr
Feb 5, 9:43 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Carroll, Champaign, Clark and 45 more6 hr
Feb 8, 12:46 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Carroll, Columbiana, Coshocton and 37 more5 hr
Feb 12, 3:29 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Crawford, Darke, Defiance and 22 more4 hr
Feb 27, 4:19 PM ESTMesoscale DiscussionSPCAdams, Allen, Athens, Auglaize, Brown, Butler and 48 more2 hr
Mar 15, 2:09 AM EDTMesoscale DiscussionSPCButler, Darke, Hamilton, Mercer, Miami, Montgomery and 2 more96 min
Mar 15, 8:19 AM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Brown, Clermont, Coshocton and 31 more86 min
Mar 15, 3:48 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 23 more87 min
Mar 16, 10:04 AM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Geauga and 16 more86 min
Mar 16, 12:08 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Geauga, Guernsey, Harrison and 9 more97 min
Mar 19, 8:48 PM EDTMesoscale DiscussionSPCDarke87 min
Mar 19, 11:04 PM EDTMesoscale DiscussionSPCBrown, Butler, Champaign, Clark, Clermont, Clinton and 10 more86 min
Mar 30, 3:49 PM EDTMesoscale DiscussionSPCAllen, Defiance, Fulton, Hancock, Henry, Lucas and 8 more116 min
Mar 30, 6:35 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clermont, Clinton, Darke and 8 more115 min
Mar 30, 9:13 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Champaign, Clark, Clermont and 28 more2 hr
Apr 2, 9:31 AM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Carroll, Champaign, Clark and 46 more119 min
Apr 2, 8:45 PM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Auglaize, Brown, Butler and 45 more2 hr
Apr 2, 10:46 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Darke and 10 more89 min
Apr 2, 10:53 PM EDTMesoscale DiscussionSPCClermont2 hr
Apr 3, 12:05 AM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Carroll, Columbiana and 24 more115 min
Apr 3, 4:54 AM EDTMesoscale DiscussionSPCGallia, Lawrence, Meigs, Monroe, Washington96 min
Apr 14, 2:18 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clermont, Gallia, Highland and 12 more117 min
Apr 14, 5:30 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clermont, Gallia, Highland and 9 more90 min
Apr 19, 3:25 PM EDTMesoscale DiscussionSPCBrown, Butler, Clermont, Clinton, Fayette, Greene and 4 more2 hr
Apr 19, 6:20 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Gallia, Guernsey, Hocking and 11 more85 min
Apr 21, 12:47 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Mahoning, Portage, Stark, Trumbull2 hr
Apr 25, 3:19 PM EDTMesoscale DiscussionSPCAdams, Scioto116 min
Apr 29, 12:01 PM EDTMesoscale DiscussionSPCAllen, Ashland, Athens, Auglaize, Belmont, Butler and 57 more89 min
Apr 29, 4:27 PM EDTMesoscale DiscussionSPCButler, Clermont, Clinton, Greene, Hamilton, Montgomery and 2 more2 hr
Apr 29, 7:59 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Highland, Jackson, Lawrence and 3 more91 min
May 1, 12:12 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Belmont, Brown, Carroll and 49 more2 hr
May 1, 2:43 PM EDTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Carroll and 38 more92 min
May 1, 6:50 PM EDTMesoscale DiscussionSPCGallia, Lawrence, Meigs, Monroe, Washington115 min
May 2, 11:43 AM EDTMesoscale DiscussionSPCAshland, Carroll, Champaign, Clark, Columbiana, Coshocton and 36 more2 hr
May 2, 2:58 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 24 more2 hr
May 2, 4:22 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont113 min
May 4, 2:34 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Carroll, Clermont and 33 more2 hr
May 5, 1:02 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Gallia and 21 more118 min
May 5, 6:56 PM EDTMesoscale DiscussionSPCAshland, Crawford, Erie, Holmes, Huron, Knox and 8 more94 min
May 16, 4:36 AM EDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Erie, Geauga, Lake, Lorain and 2 more84 min
May 16, 4:38 AM EDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Erie, Geauga, Lake, Lorain and 2 more97 min
May 16, 6:51 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 10 more114 min
May 16, 8:37 PM EDTMesoscale DiscussionSPCAshland, Carroll, Columbiana, Coshocton, Crawford, Cuyahoga and 24 more2 hr
May 16, 11:12 PM EDTMesoscale DiscussionSPCLawrence2 hr
May 21, 1:46 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning2 hr
Jun 4, 12:57 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Paulding, Williams2 hr
Jun 5, 1:50 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 10 more115 min
Jun 5, 4:20 PM EDTMesoscale DiscussionSPCBelmont, Guernsey, Harrison, Monroe, Noble, Washington115 min
Jun 9, 2:06 PM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Columbiana, Coshocton and 36 more84 min
Jun 9, 2:17 PM EDTMesoscale DiscussionSPCFulton, Williams88 min
Jun 9, 4:51 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 22 more54 min
Jun 9, 6:42 PM EDTMesoscale DiscussionSPCWilliams93 min
Jun 18, 3:38 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Hancock, Hardin and 14 more2 hr
Jun 18, 4:08 PM EDTMesoscale DiscussionSPCButler, Darke, Montgomery, Preble97 min
Jun 18, 6:03 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Cuyahoga, Geauga, Jefferson, Mahoning and 4 more87 min
Jun 18, 6:24 PM EDTMesoscale DiscussionSPCAdams, Allen, Auglaize, Brown, Butler, Champaign and 39 more96 min
Jun 18, 7:48 PM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 24 more57 min
Jun 18, 9:18 PM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 23 more87 min
Jun 19, 2:17 PM EDTMesoscale DiscussionSPCAthens, Belmont, Columbiana, Gallia, Harrison, Jefferson and 5 more118 min
Jun 24, 1:36 PM EDTMesoscale DiscussionSPCFulton, Lucas, Williams114 min
Jun 25, 2:22 PM EDTMesoscale DiscussionSPCAllen, Ashland, Athens, Auglaize, Belmont, Butler and 53 more113 min
Jun 26, 2:07 PM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Athens, Auglaize, Belmont and 81 more113 min
Jun 27, 12:47 PM EDTMesoscale DiscussionSPCAshtabula, Carroll, Columbiana, Geauga, Harrison, Jefferson and 6 more118 min
Jun 27, 1:10 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Lucas, Williams2 hr
Jun 27, 4:03 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Paulding, Van Wert, Williams87 min
Jun 28, 2:14 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Coshocton, Fairfield, Gallia and 15 more91 min
Jun 28, 4:40 PM EDTMesoscale DiscussionSPCBelmont, Monroe, Noble95 min
Jun 30, 12:46 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Williams and 1 more119 min
Jul 7, 2:04 PM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Champaign, Clark and 41 more2 hr
Jul 9, 2:03 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Williams, Wood117 min
Jul 10, 12:51 PM EDTMesoscale DiscussionSPCAshland, Carroll, Columbiana, Coshocton, Geauga, Harrison and 11 more114 min
Jul 12, 12:42 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Crawford and 33 more3 hr
Jul 12, 4:29 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 28 more91 min
Jul 16, 1:40 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Auglaize, Brown, Butler and 41 more2 hr
Jul 16, 7:43 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Henry, Mercer and 5 more92 min
Jul 17, 1:53 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clermont, Clinton, Gallia and 10 more2 hr
Jul 20, 2:35 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Fayette and 10 more3 hr
Jul 24, 3:10 PM EDTMesoscale DiscussionSPCWilliams2 hr
Jul 26, 5:34 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Belmont, Champaign, Clark and 37 more116 min
Aug 12, 5:59 PM EDTMesoscale DiscussionSPCWilliams2 hr
Aug 19, 2:15 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Butler, Champaign, Clark and 32 more90 min
Sep 5, 4:30 PM EDTMesoscale DiscussionSPCGallia, Lawrence2 hr
Sep 5, 6:01 PM EDTMesoscale DiscussionSPCBelmont, Gallia, Lawrence, Meigs, Monroe, Washington119 min
Sep 21, 2:24 PM EDTMesoscale DiscussionSPCAdams, Ashland, Brown, Clark, Clermont, Clinton and 27 more2 hr
Sep 22, 1:28 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clark, Clermont and 24 more3 hr
Sep 22, 6:14 PM EDTMesoscale DiscussionSPCAthens, Fairfield, Gallia, Guernsey, Hocking, Jackson and 12 more2 hr
Oct 21, 6:01 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Champaign, Clark, Coshocton, Crawford and 29 more119 min
Nov 15, 6:14 PM ESTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 17 more3 hr
Nov 29, 3:16 PM ESTMesoscale DiscussionSPCDefiance, Paulding, Williams4 hr
Dec 1, 10:10 PM ESTMesoscale DiscussionSPCAdams, Brown6 hr
Dec 2, 4:54 AM ESTMesoscale DiscussionSPCAdams, Ashland, Athens, Auglaize, Belmont, Brown and 58 more4 hr
Dec 29, 3:14 PM ESTMesoscale DiscussionSPCAshtabula, Cuyahoga, Geauga, Lake, Medina, Portage and 2 more4 hr
Dec 31, 6:42 PM ESTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Crawford, Cuyahoga and 25 more5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

48 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 3, 20255mesoscale discussions
  2. June 18, 20255mesoscale discussions
  3. June 9, 20254mesoscale discussions
  4. March 15, 20253mesoscale discussions
  5. April 29, 20253mesoscale discussions
  6. May 1, 20253mesoscale discussions
  7. May 2, 20253mesoscale discussions
  8. May 16, 20253mesoscale discussions
  9. June 27, 20253mesoscale discussions
  10. March 16, 20252mesoscale discussions
  11. March 20, 20252mesoscale discussions
  12. March 30, 20252mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe 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.