Alert archive / Ohio / Mesoscale Discussions / 2009

Mesoscale Discussions in Ohio, June 2009

33 mesoscale discussions in June 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 June 2009. Tap one for its archive.

Mesoscale Discussions
33
Busiest day
June 19, 20096 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
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

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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.