Alert archive / Iowa / Mesoscale Discussions / 2018

Mesoscale Discussions in Iowa, June 2018

36 mesoscale discussions in June 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 June 2018. Tap one for its archive.

Mesoscale Discussions
36
Busiest day
June 9, 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jun 2, 12:50 AM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie, Taylor55 min
Jun 6, 2:22 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more113 min
Jun 6, 6:20 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Benton, Boone, Calhoun and 35 more85 min
Jun 6, 8:45 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 17 more90 min
Jun 8, 12:51 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Carroll, Cass and 31 more114 min
Jun 8, 11:51 PM CDTMesoscale DiscussionSPCPlymouth84 min
Jun 9, 2:51 AM CDTMesoscale DiscussionSPCAudubon, Carroll, Cass, Crawford, Fremont, Greene and 10 more114 min
Jun 9, 1:46 PM CDTMesoscale DiscussionSPCBremer, Butler, Cerro Gordo, Chickasaw, Floyd, Franklin and 6 more119 min
Jun 9, 3:52 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 23 more83 min
Jun 9, 6:30 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more2 hr
Jun 9, 10:17 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 11 more118 min
Jun 9, 11:44 PM CDTMesoscale DiscussionSPCCedar, Clinton, Dubuque, Iowa, Jackson, Johnson and 5 more2 hr
Jun 10, 1:23 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 23 more3 hr
Jun 11, 2:38 PM CDTMesoscale DiscussionSPCHarrison, Monona, Plymouth, Woodbury2 hr
Jun 11, 9:32 PM CDTMesoscale DiscussionSPCDecatur, Wayne118 min
Jun 12, 6:31 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 25 more2 hr
Jun 13, 11:56 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 13 more3 hr
Jun 14, 1:17 PM CDTMesoscale DiscussionSPCDes Moines, Lee118 min
Jun 15, 3:56 PM CDTMesoscale DiscussionSPCAllamakee, Howard, Mitchell, Winnebago, Winneshiek, Worth2 hr
Jun 17, 3:52 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 13 more53 min
Jun 18, 1:34 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 33 more56 min
Jun 18, 5:46 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 38 more119 min
Jun 19, 12:37 PM CDTMesoscale DiscussionSPCLee113 min
Jun 20, 1:01 PM CDTMesoscale DiscussionSPCBenton, Boone, Dallas, Grundy, Hardin, Iowa and 16 more2 hr
Jun 20, 5:13 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 31 more2 hr
Jun 21, 1:53 PM CDTMesoscale DiscussionSPCBenton, Cedar, Linn, Muscatine, Scott3 hr
Jun 24, 3:28 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Buena Vista and 31 more62 min
Jun 25, 5:14 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Decatur and 14 more2 hr
Jun 25, 7:25 PM CDTMesoscale DiscussionSPCBoone, Carroll, Clarke, Dallas, Greene, Guthrie and 4 more2 hr
Jun 26, 1:31 PM CDTMesoscale DiscussionSPCClinton, Dubuque, Jackson, Jones89 min
Jun 28, 7:20 AM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Fremont, Harrison, Mills and 6 more2 hr
Jun 28, 10:57 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 27 more2 hr
Jun 30, 12:40 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Chickasaw and 26 more3 hr
Jun 30, 3:40 PM CDTMesoscale DiscussionSPCAudubon, Boone, Butler, Calhoun, Carroll, Cass and 25 more2 hr
Jun 30, 4:40 PM CDTMesoscale DiscussionSPCRinggold, Taylor95 min
Jun 30, 6:09 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page96 min

By county

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

59 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.