Alert archive / Ohio / Mesoscale Discussions

Mesoscale Discussions in Ohio, 2021

77 mesoscale discussions in 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Mesoscale Discussions
77
Busiest month
June24 mesoscale discussions
Busiest day
August 11, 20218 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 30, 10:39 PM ESTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 10 more4 hr
Feb 9, 12:18 AM ESTMesoscale DiscussionSPCBrown, Clermont, Highland, Pike, Ross117 min
Feb 15, 11:44 AM ESTMesoscale DiscussionSPCAuglaize, Butler, Champaign, Clark, Clermont, Clinton and 13 more6 hr
Feb 15, 2:44 PM ESTMesoscale DiscussionSPCAdams, Athens, Belmont, Carroll, Columbiana, Coshocton and 25 more6 hr
Feb 15, 3:52 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Crawford, Cuyahoga, Defiance and 26 more6 hr
Mar 18, 2:25 PM EDTMesoscale DiscussionSPCAthens, Gallia, Jackson, Lawrence, Meigs, Morgan and 4 more3 hr
Mar 25, 10:07 PM EDTMesoscale DiscussionSPCHamilton83 min
Apr 8, 4:24 PM EDTMesoscale DiscussionSPCBrown, Butler, Clermont, Hamilton, Preble96 min
Apr 28, 1:06 PM EDTMesoscale DiscussionSPCAshtabula114 min
May 3, 2:47 PM EDTMesoscale DiscussionSPCAthens, Belmont, Fairfield, Gallia, Guernsey, Hocking and 10 more118 min
May 26, 12:16 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Geauga, Guernsey, Harrison and 6 more119 min
Jun 12, 6:19 PM EDTMesoscale DiscussionSPCDefiance, Paulding, Williams116 min
Jun 13, 12:13 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 5 more2 hr
Jun 13, 2:04 PM EDTMesoscale DiscussionSPCClermont, Hamilton56 min
Jun 13, 3:26 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Belmont, Carroll, Columbiana and 34 more94 min
Jun 13, 4:31 PM EDTMesoscale DiscussionSPCAdams, Gallia, Jackson, Lawrence, Scioto89 min
Jun 14, 11:31 AM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning89 min
Jun 14, 3:25 PM EDTMesoscale DiscussionSPCBelmont, Harrison, Jefferson95 min
Jun 18, 3:37 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Greene and 11 more83 min
Jun 18, 4:38 PM EDTMesoscale DiscussionSPCChampaign, Clark, Darke, Greene, Logan, Miami and 3 more67 min
Jun 18, 7:18 PM EDTMesoscale DiscussionSPCBrown, Butler, Clark, Clermont, Clinton, Darke and 9 more117 min
Jun 18, 8:53 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Fayette and 12 more67 min
Jun 19, 7:07 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Geauga, Jefferson, Mahoning, Portage and 3 more83 min
Jun 19, 8:14 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Darke, Defiance, Mercer, Paulding and 4 more91 min
Jun 20, 8:14 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Erie, Fulton, Hancock and 15 more61 min
Jun 20, 11:51 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Hancock, Henry, Lucas, Ottawa and 7 more54 min
Jun 21, 2:14 AM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Ottawa, Paulding and 3 more2 hr
Jun 21, 11:59 AM EDTMesoscale DiscussionSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 31 more91 min
Jun 25, 5:48 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Crawford, Defiance, Delaware, Erie and 20 more87 min
Jun 26, 7:08 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Paulding, Williams67 min
Jun 26, 9:23 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Paulding, Williams67 min
Jun 28, 1:08 PM EDTMesoscale DiscussionSPCFulton, Williams2 hr
Jun 29, 12:54 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Putnam and 3 more2 hr
Jun 29, 2:33 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Crawford, Cuyahoga and 17 more117 min
Jun 30, 11:30 AM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 10 more2 hr
Jul 7, 12:07 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 37 more83 min
Jul 7, 3:59 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Crawford, Cuyahoga, Defiance, Erie and 28 more91 min
Jul 8, 1:31 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga and 11 more2 hr
Jul 8, 1:51 PM EDTMesoscale DiscussionSPCButler, Hamilton84 min
Jul 13, 4:07 PM EDTMesoscale DiscussionSPCAshtabula, Mahoning, Trumbull113 min
Jul 16, 1:10 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clark, Clermont, Clinton and 14 more4 hr
Jul 24, 8:31 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Ottawa, Paulding and 4 more119 min
Jul 29, 5:55 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Hancock, Hardin and 13 more95 min
Jul 29, 2:48 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Champaign, Clark and 35 more117 min
Jul 29, 6:34 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Carroll and 27 more116 min
Aug 10, 12:12 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Guernsey, Harrison, Jefferson, Monroe and 5 more3 hr
Aug 10, 8:12 PM EDTMesoscale DiscussionSPCWilliams63 min
Aug 10, 10:57 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Putnam and 2 more93 min
Aug 11, 9:31 AM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 19 more89 min
Aug 11, 10:52 AM EDTMesoscale DiscussionSPCDefiance, Paulding, Williams83 min
Aug 11, 11:50 AM EDTMesoscale DiscussionSPCCarroll, Columbiana, Harrison, Jefferson, Mahoning, Trumbull115 min
Aug 11, 1:26 PM EDTMesoscale DiscussionSPCAllen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more94 min
Aug 11, 2:12 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Champaign, Crawford, Delaware and 26 more93 min
Aug 11, 4:24 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Clinton, Columbiana, Coshocton and 31 more96 min
Aug 12, 3:17 PM EDTMesoscale DiscussionSPCAshland, Carroll, Columbiana, Coshocton, Cuyahoga, Geauga and 13 more58 min
Aug 12, 6:22 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Harrison, Jefferson, Mahoning83 min
Aug 13, 1:13 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clark and 32 more2 hr
Aug 13, 7:49 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Coshocton, Harrison, Holmes, Jefferson and 6 more56 min
Aug 25, 12:46 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Champaign, Clark and 33 more2 hr
Aug 29, 1:07 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 28 more83 min
Sep 7, 2:48 PM EDTMesoscale DiscussionSPCWilliams117 min
Sep 7, 5:37 PM EDTMesoscale DiscussionSPCFulton, Williams83 min
Sep 7, 8:16 PM EDTMesoscale DiscussionSPCLucas89 min
Sep 14, 2:12 PM EDTMesoscale DiscussionSPCWilliams2 hr
Sep 14, 6:04 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Van Wert and 1 more86 min
Sep 14, 7:46 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Crawford, Darke and 28 more89 min
Sep 22, 1:08 PM EDTMesoscale DiscussionSPCAshtabula, Belmont, Carroll, Columbiana, Geauga, Guernsey and 11 more3 hr
Sep 22, 4:08 PM EDTMesoscale DiscussionSPCAshtabula, Carroll, Columbiana, Jefferson, Mahoning, Trumbull97 min
Oct 15, 1:59 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 14 more91 min
Oct 15, 10:44 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Clinton, Fayette, Highland and 6 more2 hr
Oct 16, 2:16 AM EDTMesoscale DiscussionSPCCoshocton, Fairfield, Guernsey, Harrison, Hocking, Morgan and 5 more89 min
Oct 21, 2:39 PM EDTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Carroll and 36 more3 hr
Oct 21, 5:25 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Coshocton, Geauga, Harrison, Jefferson and 5 more2 hr
Oct 25, 5:46 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 16 more119 min
Nov 28, 3:15 PM ESTMesoscale DiscussionSPCFulton, Lucas, Ottawa, Sandusky, Wood2 hr
Dec 11, 12:08 AM ESTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 19 more67 min
Dec 11, 2:46 AM ESTMesoscale DiscussionSPCAuglaize, Butler, Darke, Mercer, Miami, Montgomery and 2 more59 min

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. August 11, 20218mesoscale discussions
  2. June 13, 20214mesoscale discussions
  3. June 21, 20214mesoscale discussions
  4. February 15, 20213mesoscale discussions
  5. June 18, 20213mesoscale discussions
  6. July 29, 20213mesoscale discussions
  7. September 14, 20213mesoscale discussions
  8. June 14, 20212mesoscale discussions
  9. June 19, 20212mesoscale discussions
  10. June 29, 20212mesoscale discussions
  11. July 7, 20212mesoscale discussions
  12. July 8, 20212mesoscale discussions

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.