Alert archive / Ohio / Mesoscale Discussions / 2018

Mesoscale Discussions in Ohio, May 2018

22 mesoscale discussions in May 2018. 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 2018. Tap one for its archive.

Mesoscale Discussions
22
Busiest day
May 22, 20185 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 4, 1:04 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Carroll, Columbiana, Crawford, Cuyahoga and 13 more86 min
May 4, 4:20 PM EDTMesoscale DiscussionSPCAshtabula, Belmont, Carroll, Columbiana, Harrison, Jefferson and 3 more55 min
May 4, 4:30 PM EDTMesoscale DiscussionSPCAdams, Athens, Brown, Butler, Clark, Clermont and 21 more2 hr
May 12, 1:51 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Guernsey and 15 more2 hr
May 12, 4:20 PM EDTMesoscale DiscussionSPCButler, Champaign, Clark, Clinton, Darke, Fairfield and 12 more115 min
May 12, 5:05 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 7 more115 min
May 13, 1:56 PM EDTMesoscale DiscussionSPCMonroe2 hr
May 13, 7:00 PM EDTMesoscale DiscussionSPCBelmont, Carroll, Guernsey, Harrison, Jefferson, Monroe and 4 more60 min
May 14, 11:56 AM EDTMesoscale DiscussionSPCBelmont, Carroll, Columbiana, Harrison, Jefferson, Monroe64 min
May 14, 3:26 PM EDTMesoscale DiscussionSPCBelmont, Monroe, Morgan, Noble, Washington2 hr
May 20, 6:40 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clermont, Clinton, Hamilton and 4 more3 hr
May 21, 3:30 PM EDTMesoscale DiscussionSPCAthens, Gallia, Lawrence, Meigs, Washington60 min
May 21, 4:15 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clermont and 16 more60 min
May 21, 8:03 PM EDTMesoscale DiscussionSPCAshland, Butler, Champaign, Clark, Crawford, Delaware and 14 more117 min
May 21, 10:23 PM EDTMesoscale DiscussionSPCClinton, Coshocton, Fairfield, Fayette, Franklin, Highland and 5 more97 min
May 22, 12:57 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Brown, Butler and 63 more3 hr
May 22, 3:48 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Auglaize, Belmont, Brown and 57 more117 min
May 22, 6:36 PM EDTMesoscale DiscussionSPCBelmont, Brown, Butler, Carroll, Champaign, Clark and 31 more114 min
May 30, 4:35 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Clinton, Crawford and 32 more115 min
May 31, 2:05 PM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Clark, Clermont, Clinton and 6 more85 min
May 31, 3:00 PM EDTMesoscale DiscussionSPCDefiance, Mercer, Paulding, Van Wert, Williams90 min
May 31, 4:44 PM EDTMesoscale DiscussionSPCAdams, Allen, Auglaize, Brown, Champaign, Clark and 15 more91 min

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 archive20172019

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.