Alert archive / Ohio / Mesoscale Discussions

Mesoscale Discussions in Ohio, 2024

114 mesoscale discussions in 2024. 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 2024. Tap one for its archive.

Mesoscale Discussions
114
Busiest month
May21 mesoscale discussions
Busiest day
April 2, 20248 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 22, 10:17 AM ESTMesoscale DiscussionSPCWilliams4 hr
Feb 16, 12:26 PM ESTMesoscale DiscussionSPCAuglaize, Champaign, Clark, Darke, Logan, Mercer and 3 more4 hr
Feb 16, 4:04 PM ESTMesoscale DiscussionSPCButler, Clark, Clermont, Clinton, Greene, Hamilton and 3 more4 hr
Feb 16, 7:40 PM ESTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Carroll and 37 more4 hr
Feb 17, 11:34 AM ESTMesoscale DiscussionSPCGeauga, Trumbull5 hr
Feb 27, 8:46 PM ESTMesoscale DiscussionSPCButler, Darke, Hamilton, Preble119 min
Feb 28, 3:01 AM ESTMesoscale DiscussionSPCBrown, Butler, Clermont, Clinton, Greene, Hamilton and 4 more119 min
Feb 28, 4:25 AM ESTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Columbiana, Coshocton and 30 more65 min
Feb 28, 6:08 AM ESTMesoscale DiscussionSPCAthens, Belmont, Coshocton, Fairfield, Gallia, Guernsey and 18 more2 hr
Mar 10, 12:13 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Geauga, Jefferson, Mahoning, Portage and 3 more4 hr
Mar 14, 12:55 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Brown, Butler, Champaign, Clark and 25 more65 min
Mar 14, 4:36 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Darke, Defiance, Fulton, Hancock and 16 more114 min
Mar 14, 6:28 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Darke, Hancock, Hardin and 9 more92 min
Mar 14, 7:25 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Carroll, Clermont and 22 more95 min
Mar 14, 7:56 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clinton, Darke, Delaware and 12 more64 min
Mar 14, 9:23 PM EDTMesoscale DiscussionSPCChampaign, Clark, Clinton, Darke, Delaware, Fairfield and 10 more67 min
Mar 14, 11:59 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clermont, Gallia, Highland and 10 more2 hr
Mar 26, 2:08 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Hancock, Henry and 7 more3 hr
Mar 30, 4:27 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Carroll and 45 more3 hr
Mar 30, 7:09 PM EDTMesoscale DiscussionSPCAthens, Belmont, Fairfield, Guernsey, Hocking, Jackson and 11 more96 min
Apr 1, 3:46 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Gallia and 10 more119 min
Apr 1, 8:37 PM EDTMesoscale DiscussionSPCBrown, Butler, Clark, Clermont, Clinton, Fayette and 7 more83 min
Apr 2, 4:10 AM EDTMesoscale DiscussionSPCHamilton95 min
Apr 2, 5:55 AM EDTMesoscale DiscussionSPCClermont95 min
Apr 2, 10:00 AM EDTMesoscale DiscussionSPCLawrence60 min
Apr 2, 3:28 PM EDTMesoscale DiscussionSPCBrown, Butler, Clermont, Hamilton, Warren92 min
Apr 2, 5:34 PM EDTMesoscale DiscussionSPCButler, Clermont, Clinton, Greene, Hamilton, Warren86 min
Apr 2, 6:15 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Champaign, Clark and 41 more90 min
Apr 2, 7:59 PM EDTMesoscale DiscussionSPCAdams, Gallia, Jackson, Lawrence, Scioto61 min
Apr 2, 8:42 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Carroll, Columbiana, Coshocton and 19 more93 min
Apr 14, 3:29 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Guernsey and 15 more2 hr
Apr 14, 6:46 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Jefferson, Mahoning, Portage, Stark89 min
Apr 14, 9:34 PM EDTMesoscale DiscussionSPCAshland, Carroll, Columbiana, Harrison, Holmes, Jefferson and 7 more86 min
Apr 15, 2:55 PM EDTMesoscale DiscussionSPCLawrence2 hr
Apr 17, 11:50 AM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Butler, Champaign, Clark and 49 more85 min
Apr 17, 2:12 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 68 more93 min
Apr 17, 3:44 PM EDTMesoscale DiscussionSPCChampaign, Clark, Crawford, Delaware, Franklin, Hardin and 9 more91 min
Apr 17, 6:23 PM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 26 more97 min
Apr 19, 12:08 AM EDTMesoscale DiscussionSPCHamilton2 hr
May 5, 1:12 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Fairfield, Franklin and 21 more3 hr
May 7, 1:48 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clinton, Fayette, Gallia and 10 more87 min
May 7, 4:33 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Brown, Butler, Champaign, Clark and 23 more87 min
May 7, 6:46 PM EDTMesoscale DiscussionSPCAllen, Defiance, Fulton, Hancock, Hardin, Henry and 7 more89 min
May 7, 7:56 PM EDTMesoscale DiscussionSPCAuglaize, Butler, Champaign, Clark, Darke, Logan and 6 more94 min
May 7, 10:20 PM EDTMesoscale DiscussionSPCAshland, Brown, Butler, Champaign, Clark, Clermont and 21 more55 min
May 8, 12:16 AM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Carroll, Clermont, Clinton and 21 more119 min
May 8, 2:26 AM EDTMesoscale DiscussionSPCAdams, Athens, Gallia, Jackson, Lawrence, Meigs and 4 more2 hr
May 9, 4:06 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clark and 30 more84 min
May 9, 8:00 PM EDTMesoscale DiscussionSPCAdams, Athens, Gallia, Jackson, Lawrence, Meigs and 4 more2 hr
May 11, 2:37 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Guernsey, Harrison and 13 more113 min
May 22, 12:28 PM EDTMesoscale DiscussionSPCBelmont, Columbiana, Harrison, Jefferson, Monroe, Noble and 1 more2 hr
May 22, 4:18 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Brown, Butler, Champaign and 33 more117 min
May 22, 7:30 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clermont, Clinton, Greene and 5 more90 min
May 25, 11:39 AM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning and 3 more3 hr
May 26, 12:20 PM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Athens, Auglaize, Brown and 56 more85 min
May 26, 3:25 PM EDTMesoscale DiscussionSPCAllen, Ashland, Athens, Auglaize, Belmont, Carroll and 48 more95 min
May 26, 5:00 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 21 more90 min
May 26, 7:22 PM EDTMesoscale DiscussionSPCColumbiana, Jefferson, Mahoning, Trumbull83 min
May 26, 9:59 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Hamilton61 min
May 27, 12:42 AM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Scioto93 min
Jun 5, 11:38 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Darke, Defiance, Erie, Fulton and 16 more3 hr
Jun 13, 5:46 PM EDTMesoscale DiscussionSPCWilliams89 min
Jun 14, 1:55 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Champaign, Clark, Clinton and 38 more2 hr
Jun 14, 6:36 PM EDTMesoscale DiscussionSPCAthens, Belmont, Coshocton, Fairfield, Guernsey, Harrison and 14 more84 min
Jun 16, 11:08 PM EDTMesoscale DiscussionSPCWilliams67 min
Jun 17, 1:28 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Champaign and 46 more2 hr
Jun 18, 1:35 PM EDTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Carroll and 40 more85 min
Jun 19, 1:47 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Champaign, Clark, Crawford and 30 more88 min
Jun 20, 12:17 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Crawford, Cuyahoga, Defiance, Erie and 21 more118 min
Jun 21, 1:57 PM EDTMesoscale DiscussionSPCAshland, Erie, Fulton, Henry, Huron, Lucas and 4 more93 min
Jun 23, 1:42 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Carroll, Clermont and 25 more2 hr
Jun 25, 5:37 AM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Williams113 min
Jun 25, 7:28 AM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Paulding, Williams92 min
Jun 25, 3:57 PM EDTMesoscale DiscussionSPCClermont, Hamilton93 min
Jun 26, 12:32 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 24 more2 hr
Jun 26, 4:35 PM EDTMesoscale DiscussionSPCBelmont, Gallia, Harrison, Jefferson, Lawrence, Meigs and 3 more115 min
Jun 29, 12:03 PM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Champaign, Clark and 53 more117 min
Jun 29, 5:30 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Hamilton and 6 more90 min
Jul 3, 12:46 PM EDTMesoscale DiscussionSPCAdams, Auglaize, Brown, Butler, Champaign, Clark and 23 more2 hr
Jul 5, 8:56 AM EDTMesoscale DiscussionSPCAdams, Brown, Gallia, Jackson, Lawrence, Meigs and 2 more3 hr
Jul 9, 6:42 PM EDTMesoscale DiscussionSPCButler, Hamilton93 min
Jul 9, 9:42 PM EDTMesoscale DiscussionSPCBrown, Butler, Clermont, Clinton, Greene, Hamilton and 4 more93 min
Jul 14, 10:08 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 16 more2 hr
Jul 14, 3:06 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clinton, Crawford, Delaware and 16 more84 min
Jul 14, 4:37 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clermont, Coshocton, Fairfield and 20 more83 min
Jul 14, 6:29 PM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Cuyahoga and 21 more2 hr
Jul 15, 3:18 PM EDTMesoscale DiscussionSPCAthens, Butler, Champaign, Clark, Clinton, Darke and 19 more117 min
Jul 16, 12:11 AM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Williams, Wood2 hr
Jul 16, 1:38 AM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Butler, Champaign, Clark and 42 more2 hr
Jul 24, 2:06 PM EDTMesoscale DiscussionSPCAuglaize, Champaign, Darke, Hardin, Logan, Mercer and 5 more114 min
Jul 24, 5:02 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 7 more88 min
Jul 30, 2:23 AM EDTMesoscale DiscussionSPCAdams, Fayette, Gallia, Highland, Hocking, Jackson and 5 more97 min
Aug 1, 3:19 PM EDTMesoscale DiscussionSPCAuglaize, Butler, Champaign, Clark, Darke, Delaware and 13 more116 min
Aug 1, 6:15 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Hamilton90 min
Aug 5, 12:48 PM EDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Geauga, Lake, Mahoning, Medina and 4 more87 min
Aug 6, 7:31 AM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Williams, Wood119 min
Aug 6, 10:59 AM EDTMesoscale DiscussionSPCColumbiana, Cuyahoga, Erie, Geauga, Huron, Lorain and 6 more91 min
Aug 6, 2:10 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 20 more95 min
Aug 6, 4:29 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 19 more61 min
Aug 17, 1:31 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Clinton, Fayette, Highland and 4 more119 min
Aug 27, 4:56 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Putnam and 3 more2 hr
Aug 27, 6:11 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 12 more64 min
Aug 27, 8:39 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Crawford, Cuyahoga, Geauga, Huron and 8 more96 min
Aug 30, 2:25 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Williams95 min
Aug 31, 12:39 PM EDTMesoscale DiscussionSPCAthens, Belmont, Gallia, Harrison, Jefferson, Meigs and 3 more2 hr
Sep 6, 3:18 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Belmont, Brown, Butler and 56 more117 min
Sep 21, 2:37 PM EDTMesoscale DiscussionSPCMonroe, Morgan, Washington2 hr
Sep 24, 12:53 PM EDTMesoscale DiscussionSPCButler, Clermont, Hamilton2 hr
Sep 24, 2:10 PM EDTMesoscale DiscussionSPCDefiance, Paulding, Van Wert, Williams2 hr
Sep 24, 4:01 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Greene and 5 more119 min
Oct 6, 4:26 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 18 more94 min
Oct 6, 6:54 PM EDTMesoscale DiscussionSPCJefferson2 hr
Dec 5, 1:47 AM ESTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 7 more4 hr
Dec 29, 1:41 PM ESTMesoscale DiscussionSPCAshland, Athens, Auglaize, Butler, Champaign, Clark and 41 more2 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 2, 20248mesoscale discussions
  2. March 14, 20245mesoscale discussions
  3. February 28, 20244mesoscale discussions
  4. April 17, 20244mesoscale discussions
  5. May 7, 20244mesoscale discussions
  6. May 26, 20244mesoscale discussions
  7. July 14, 20244mesoscale discussions
  8. August 6, 20244mesoscale discussions
  9. May 8, 20243mesoscale discussions
  10. May 22, 20243mesoscale discussions
  11. June 25, 20243mesoscale discussions
  12. September 24, 20243mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.