Alert archive / Ohio / Mesoscale Discussions / 2011

Mesoscale Discussions in Ohio, May 2011

40 mesoscale discussions in May 2011. 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 May 2011. Tap one for its archive.

Mesoscale Discussions
40
Busiest day
May 23, 20118 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
May 10, 11:21 AM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clark, Clermont, Clinton and 15 more114 min
May 10, 4:32 PM EDTMesoscale DiscussionSPCAdams, Auglaize, Brown, Butler, Champaign, Clark and 25 more88 min
May 10, 7:17 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Gallia, Highland, Hocking and 7 more28 min
May 10, 11:17 PM EDTMesoscale DiscussionSPCAdams, Brown, Gallia, Lawrence, Scioto58 min
May 11, 12:37 AM EDTMesoscale DiscussionSPCAdams, Allen, Auglaize, Champaign, Clark, Delaware and 21 more53 min
May 11, 5:07 AM EDTMesoscale DiscussionSPCAdams, Auglaize, Brown, Champaign, Clark, Clermont and 15 more53 min
May 12, 10:30 AM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Coshocton, Crawford, Erie and 21 more90 min
May 12, 3:36 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Coshocton, Guernsey, Harrison and 12 more84 min
May 12, 6:52 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 26 more
May 18, 11:55 AM EDTMesoscale DiscussionSPCBelmont, Harrison, Jefferson65 min
May 18, 3:08 PM EDTMesoscale DiscussionSPCAshland, Belmont, Carroll, Columbiana, Crawford, Cuyahoga and 20 more67 min
May 22, 2:51 PM EDTMesoscale DiscussionSPCAdams, Allen, Athens, Auglaize, Brown, Butler and 51 more54 min
May 22, 3:15 PM EDTMesoscale DiscussionSPCFulton, Lucas, Williams60 min
May 22, 4:44 PM EDTMesoscale DiscussionSPCAdams, Brown, Gallia, Jackson, Lawrence, Meigs and 3 more61 min
May 22, 7:26 PM EDTMesoscale DiscussionSPCAthens, Gallia, Hocking, Jackson, Lawrence, Meigs and 6 more2 hr
May 22, 8:20 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Mercer, Paulding, Putnam and 2 more115 min
May 23, 4:20 AM EDTMesoscale DiscussionSPCAdams, Brown, Clermont85 min
May 23, 8:25 AM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Champaign, Clark and 40 more65 min
May 23, 12:35 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Henry, Lucas and 6 more85 min
May 23, 3:52 PM EDTMesoscale DiscussionSPCButler, Clermont, Hamilton, Montgomery, Preble, Warren53 min
May 23, 6:20 PM EDTMesoscale DiscussionSPCAdams, Allen, Ashland, Auglaize, Brown, Butler and 46 more55 min
May 23, 6:40 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Defiance, Fulton, Hancock, Henry and 7 more65 min
May 23, 7:20 PM EDTMesoscale DiscussionSPCAthens, Belmont, Coshocton, Gallia, Guernsey, Harrison and 15 more85 min
May 23, 8:07 PM EDTMesoscale DiscussionSPCAshtabula, Carroll, Columbiana, Cuyahoga, Geauga, Holmes and 9 more83 min
May 24, 2:11 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Crawford, Hancock, Hardin and 17 more94 min
May 25, 1:26 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Clinton, Crawford and 36 more94 min
May 25, 4:45 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 37 more60 min
May 25, 8:14 PM EDTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Brown and 54 more2 hr
May 26, 12:23 AM EDTMesoscale DiscussionSPCMercer, Van Wert2 hr
May 26, 2:37 AM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 27 more83 min
May 26, 3:09 PM EDTMesoscale DiscussionSPCAdams, Brown, Champaign, Clark, Clermont, Clinton and 19 more96 min
May 28, 6:39 PM EDTMesoscale DiscussionSPCDarke, Mercer66 min
May 29, 12:59 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Ottawa, Paulding and 4 more61 min
May 29, 4:17 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Henry, Lucas, Ottawa, Paulding and 3 more88 min
May 29, 6:05 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Cuyahoga, Geauga, Lake, Lorain and 5 more25 min
May 29, 6:51 PM EDTMesoscale DiscussionSPCAllen, Fulton, Hancock, Henry, Lucas, Ottawa and 4 more54 min
May 29, 7:28 PM EDTMesoscale DiscussionSPCAshtabula, Cuyahoga, Erie, Geauga, Huron, Lake and 5 more62 min
May 31, 1:59 PM EDTMesoscale DiscussionSPCWilliams3 hr
May 31, 4:07 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Coshocton, Cuyahoga, Geauga, Holmes and 8 more113 min
May 31, 7:26 PM EDTMesoscale DiscussionSPCDefiance, Fulton, Paulding, Williams2 hr

By county

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

48 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.