Alert archive / Ohio / Mesoscale Discussions

Mesoscale Discussions in Ohio, 2009

95 mesoscale discussions in 2009. 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 2009. Tap one for its archive.

Mesoscale Discussions
95
Busiest month
June33 mesoscale discussions
Busiest day
June 19, 20096 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 6, 1:06 AM ESTMesoscale DiscussionSPCBrown, Clermont, Hamilton4 hr
Jan 6, 5:53 AM ESTMesoscale DiscussionSPCAdams, Athens, Auglaize, Belmont, Brown, Butler and 46 more3 hr
Jan 6, 5:17 PM ESTMesoscale DiscussionSPCColumbiana, Mahoning4 hr
Jan 10, 12:53 AM ESTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clinton and 10 more6 hr
Jan 10, 6:33 AM ESTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 64 more5 hr
Jan 27, 12:44 AM ESTMesoscale DiscussionSPCAdams, Brown, Clermont, Gallia, Jackson, Lawrence and 2 more5 hr
Jan 27, 12:25 PM ESTMesoscale DiscussionSPCAdams, Brown, Clermont, Gallia, Hamilton, Highland and 7 more4 hr
Jan 27, 7:25 PM ESTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clermont and 30 more6 hr
Jan 28, 12:31 AM ESTMesoscale DiscussionSPCAdams, Ashland, Athens, Belmont, Brown, Butler and 61 more5 hr
Jan 28, 7:40 AM ESTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Brown and 54 more5 hr
Feb 3, 10:44 AM ESTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Gallia and 7 more4 hr
Feb 11, 1:35 PM ESTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clermont and 25 more85 min
Feb 11, 4:34 PM ESTMesoscale DiscussionSPCAdams, Athens, Belmont, Champaign, Clark, Clinton and 32 more86 min
Feb 11, 5:32 PM ESTMesoscale DiscussionSPCAthens, Belmont, Carroll, Coshocton, Fairfield, Guernsey and 13 more88 min
Feb 18, 2:09 PM ESTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 26 more51 min
Feb 21, 6:35 AM ESTMesoscale DiscussionSPCAllen, Defiance, Erie, Fulton, Hancock, Henry and 9 more5 hr
Mar 8, 2:31 PM EDTMesoscale DiscussionSPCAuglaize, Butler, Darke, Hamilton, Mercer, Preble and 2 more119 min
Mar 8, 4:14 PM EDTMesoscale DiscussionSPCMercer91 min
Mar 8, 5:36 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clermont, Clinton and 14 more54 min
Apr 2, 5:35 PM EDTMesoscale DiscussionSPCBrown, Clermont, Hamilton85 min
Apr 2, 9:02 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Crawford and 28 more118 min
Apr 5, 6:10 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Hamilton and 5 more65 min
Apr 5, 8:12 PM EDTMesoscale DiscussionSPCAdams, Gallia, Jackson, Lawrence, Meigs, Pike and 3 more63 min
Apr 6, 12:08 AM EDTMesoscale DiscussionSPCAthens, Gallia, Hocking, Jackson, Lawrence, Meigs and 3 more67 min
Apr 25, 7:15 PM EDTMesoscale DiscussionSPCFulton, Williams60 min
May 1, 6:36 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Fairfield, Guernsey and 9 more54 min
May 8, 6:03 PM EDTMesoscale DiscussionSPCGallia, Lawrence87 min
May 14, 5:37 AM EDTMesoscale DiscussionSPCBrown, Butler, Champaign, Clark, Clermont, Clinton and 20 more53 min
May 15, 9:14 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Darke and 11 more2 hr
May 15, 11:28 PM EDTMesoscale DiscussionSPCAdams, Auglaize, Brown, Butler, Champaign, Clark and 13 more2 hr
May 16, 12:05 PM EDTMesoscale DiscussionSPCBelmont, Jefferson, Monroe, Washington55 min
May 16, 2:46 PM EDTMesoscale DiscussionSPCGallia, Lawrence59 min
May 28, 1:28 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Fayette and 10 more62 min
May 28, 4:54 PM EDTMesoscale DiscussionSPCBelmont, Gallia, Harrison, Jefferson, Lawrence, Meigs and 3 more66 min
May 29, 4:17 PM EDTMesoscale DiscussionSPCMercer88 min
May 30, 3:51 PM EDTMesoscale DiscussionSPCAdams, Brown84 min
May 30, 7:01 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Gallia and 8 more59 min
May 30, 9:53 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clark, Clermont and 20 more67 min
May 30, 11:37 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clermont, Clinton and 13 more23 min
Jun 1, 5:36 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Crawford, Darke, Defiance and 22 more54 min
Jun 1, 7:34 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Crawford, Darke, Defiance and 17 more86 min
Jun 1, 9:32 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga and 11 more58 min
Jun 1, 9:57 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Crawford, Darke and 14 more63 min
Jun 2, 4:47 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clark and 29 more88 min
Jun 2, 7:13 PM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Butler, Clark and 31 more62 min
Jun 2, 9:19 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clark, Clermont and 30 more56 min
Jun 3, 12:12 PM EDTMesoscale DiscussionSPCAthens, Gallia, Jackson, Lawrence, Meigs, Pike and 3 more93 min
Jun 8, 3:24 PM EDTMesoscale DiscussionSPCGallia, Lawrence, Meigs, Monroe, Noble, Washington96 min
Jun 9, 1:38 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Clinton, Fairfield, Fayette and 16 more97 min
Jun 9, 4:03 PM EDTMesoscale DiscussionSPCAthens, Gallia, Meigs, Vinton57 min
Jun 11, 4:15 AM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Scioto60 min
Jun 14, 12:33 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clark, Clermont, Clinton and 11 more87 min
Jun 14, 5:03 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Fayette and 7 more57 min
Jun 14, 7:05 PM EDTMesoscale DiscussionSPCLawrence, Scioto55 min
Jun 17, 2:00 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Belmont, Brown, Carroll and 48 more60 min
Jun 17, 6:33 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Harrison, Jefferson, Tuscarawas57 min
Jun 17, 9:31 PM EDTMesoscale DiscussionSPCBelmont, Guernsey, Harrison, Jefferson, Monroe, Noble59 min
Jun 19, 3:38 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Darke, Defiance, Fulton, Hancock and 8 more97 min
Jun 19, 7:37 AM EDTMesoscale DiscussionSPCAllen, Ashland, Athens, Auglaize, Champaign, Clark and 46 more83 min
Jun 19, 2:37 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Crawford, Darke and 24 more83 min
Jun 19, 5:56 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Guernsey and 10 more64 min
Jun 19, 6:11 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clermont and 35 more94 min
Jun 19, 7:04 PM EDTMesoscale DiscussionSPCLucas86 min
Jun 19, 9:19 PM EDTMesoscale DiscussionSPCMuskingum, Noble, Washington26 min
Jun 19, 9:34 PM EDTMesoscale DiscussionSPCAuglaize, Butler, Darke, Defiance, Fulton, Hamilton and 9 more86 min
Jun 20, 3:14 AM EDTMesoscale DiscussionSPCAdams, Athens, Belmont, Brown, Carroll, Clinton and 31 more91 min
Jun 25, 1:21 PM EDTMesoscale DiscussionSPCAshland, Athens, Carroll, Champaign, Clark, Clinton and 40 more84 min
Jun 25, 1:30 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Paulding, Putnam and 3 more60 min
Jun 25, 4:12 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 46 more63 min
Jun 25, 7:09 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Belmont, Carroll, Coshocton, Crawford and 33 more96 min
Jun 25, 8:38 PM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Columbiana, Coshocton and 31 more67 min
Jun 26, 3:08 AM EDTMesoscale DiscussionSPCBrown, Clermont2 hr
Jul 11, 4:37 PM EDTMesoscale DiscussionSPCGallia, Lawrence83 min
Jul 21, 1:56 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 6 more64 min
Jul 25, 4:09 AM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Auglaize, Brown, Butler and 43 more96 min
Jul 25, 12:24 PM EDTMesoscale DiscussionSPCAdams, Gallia, Jackson, Lawrence, Meigs, Scioto2 hr
Jul 26, 12:56 PM EDTMesoscale DiscussionSPCAshtabula, Columbiana, Jefferson, Mahoning, Trumbull2 hr
Aug 4, 5:37 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clinton and 12 more53 min
Aug 4, 9:47 AM EDTMesoscale DiscussionSPCButler, Hamilton58 min
Aug 10, 2:26 PM EDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Geauga, Huron, Lake, Medina and 3 more2 hr
Aug 10, 3:24 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Champaign, Clark and 32 more96 min
Aug 10, 8:15 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Coshocton, Harrison, Holmes and 3 more2 hr
Aug 11, 12:39 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 43 more2 hr
Aug 12, 12:36 PM EDTMesoscale DiscussionSPCMonroe, Washington84 min
Aug 18, 2:32 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 7 more88 min
Aug 19, 5:36 PM EDTMesoscale DiscussionSPCAuglaize, Darke, Mercer, Paulding, Van Wert84 min
Aug 19, 9:18 PM EDTMesoscale DiscussionSPCAshland, Coshocton, Crawford, Delaware, Erie, Fairfield and 24 more57 min
Aug 20, 11:42 AM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Athens, Auglaize, Brown and 71 more2 hr
Aug 20, 6:20 PM EDTMesoscale DiscussionSPCAshtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 17 more55 min
Aug 28, 2:57 PM EDTMesoscale DiscussionSPCAshland, Auglaize, Brown, Butler, Champaign, Clark and 37 more3 hr
Sep 28, 2:25 AM EDTMesoscale DiscussionSPCAdams, Allen, Auglaize, Brown, Butler, Champaign and 37 more65 min
Oct 23, 2:44 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clermont and 18 more91 min
Dec 9, 3:46 AM ESTMesoscale DiscussionSPCBrown, Butler, Clermont, Clinton, Hamilton, Highland and 2 more59 min
Dec 9, 11:02 AM ESTMesoscale DiscussionSPCAthens, Belmont, Columbiana, Guernsey, Harrison, Jefferson and 5 more88 min
Dec 13, 5:16 AM ESTMesoscale DiscussionSPCColumbiana, Jefferson, Mahoning, Trumbull4 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. June 19, 20096mesoscale discussions
  2. May 16, 20094mesoscale discussions
  3. June 2, 20094mesoscale discussions
  4. June 25, 20094mesoscale discussions
  5. January 6, 20093mesoscale discussions
  6. January 28, 20093mesoscale discussions
  7. February 11, 20093mesoscale discussions
  8. March 8, 20093mesoscale discussions
  9. June 14, 20093mesoscale discussions
  10. June 20, 20093mesoscale discussions
  11. August 20, 20093mesoscale discussions
  12. January 10, 20092mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.