Alert archive / Iowa / Mesoscale Discussions

Mesoscale Discussions in Iowa, 2022

145 mesoscale discussions in 2022. 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 2022. Tap one for its archive.

Mesoscale Discussions
145
Busiest month
May39 mesoscale discussions
Busiest day
May 30, 20228 mesoscale discussions

Over time

By month

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
Jan 1, 10:31 AM CSTMesoscale DiscussionSPCAdams, Clarke, Decatur, Fremont, Page, Ringgold and 3 more4 hr
Jan 1, 2:27 PM CSTMesoscale DiscussionSPCCedar, Clinton, Davis, Des Moines, Henry, Iowa and 18 more4 hr
Jan 14, 2:14 AM CSTMesoscale DiscussionSPCClay, Dickinson, Emmet, Kossuth, O'Brien, Osceola and 2 more4 hr
Jan 14, 8:51 AM CSTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 48 more3 hr
Jan 14, 2:35 PM CSTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Butler, Cerro Gordo and 29 more4 hr
Feb 18, 8:07 PM CSTMesoscale DiscussionSPCClinton, Scott3 hr
Mar 5, 1:20 PM CSTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 34 more2 hr
Mar 5, 3:46 PM CSTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Boone and 27 more89 min
Mar 5, 5:33 PM CSTMesoscale DiscussionSPCAppanoose, Benton, Cedar, Clarke, Dallas, Davis and 29 more117 min
Mar 5, 7:51 PM CSTMesoscale DiscussionSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more114 min
Mar 25, 2:18 PM CDTMesoscale DiscussionSPCJackson2 hr
Mar 29, 3:38 PM CDTMesoscale DiscussionSPCFremont, Harrison, Mills, Monona, Montgomery, Page and 4 more2 hr
Mar 29, 5:07 PM CDTMesoscale DiscussionSPCCrawford, Harrison, Ida, Mills, Monona, Pottawattamie and 1 more83 min
Mar 29, 7:50 PM CDTMesoscale DiscussionSPCAdams, Fremont, Montgomery, Page, Taylor85 min
Apr 12, 2:48 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more87 min
Apr 12, 5:45 PM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Cherokee, Clay, Hamilton and 9 more2 hr
Apr 12, 6:26 PM CDTMesoscale DiscussionSPCHarrison, Mills, Pottawattamie, Shelby2 hr
Apr 12, 7:14 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 14 more2 hr
Apr 12, 9:38 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Benton, Black Hawk, Boone and 31 more2 hr
Apr 12, 10:26 PM CDTMesoscale DiscussionSPCAllamakee, Winneshiek64 min
Apr 22, 1:53 AM CDTMesoscale DiscussionSPCCass, Crawford, Harrison, Mills, Monona, Montgomery and 3 more3 hr
Apr 23, 12:03 PM CDTMesoscale DiscussionSPCDickinson, Lyon, O'Brien, Osceola, Sioux87 min
Apr 23, 1:16 PM CDTMesoscale DiscussionSPCPage119 min
Apr 23, 2:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Bremer, Butler and 41 more2 hr
Apr 23, 7:03 PM CDTMesoscale DiscussionSPCBlack Hawk, Bremer, Butler, Cerro Gordo, Chickasaw, Clarke and 23 more117 min
Apr 29, 8:31 PM CDTMesoscale DiscussionSPCCass, Fremont, Harrison, Mills, Montgomery, Pottawattamie and 1 more89 min
Apr 29, 11:34 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Dallas, Decatur, Lucas, Madison and 4 more86 min
Apr 30, 12:32 PM CDTMesoscale DiscussionSPCClinton, Dubuque, Jackson, Jones, Scott118 min
Apr 30, 2:43 PM CDTMesoscale DiscussionSPCAllamakee, Buchanan, Cedar, Chickasaw, Clayton, Clinton and 10 more92 min
May 9, 1:54 PM CDTMesoscale DiscussionSPCCerro Gordo, Chickasaw, Floyd, Hancock, Howard, Mitchell and 3 more96 min
May 9, 6:32 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 21 more88 min
May 9, 9:05 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 8 more85 min
May 9, 9:44 PM CDTMesoscale DiscussionSPCAdams, Appanoose, Cedar, Clarke, Decatur, Iowa and 18 more91 min
May 9, 11:07 PM CDTMesoscale DiscussionSPCClayton113 min
May 11, 7:44 AM CDTMesoscale DiscussionSPCLyon, Sioux91 min
May 11, 12:50 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Emmet, Ida, Lyon and 6 more2 hr
May 11, 3:52 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 4 more113 min
May 11, 5:50 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Osceola85 min
May 11, 7:01 PM CDTMesoscale DiscussionSPCDickinson, Emmet, Kossuth, Winnebago59 min
May 12, 4:32 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux58 min
May 12, 6:12 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Harrison, Ida, Monona, Sac and 1 more63 min
May 12, 7:02 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more88 min
May 17, 8:56 AM CDTMesoscale DiscussionSPCHarrison, Monona, Woodbury2 hr
May 17, 1:28 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Crawford, Fremont and 12 more2 hr
May 17, 4:18 PM CDTMesoscale DiscussionSPCDecatur, Ringgold, Taylor87 min
May 17, 6:12 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Van Buren, Wayne93 min
May 19, 11:36 AM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Floyd, Howard, Mitchell and 3 more84 min
May 19, 1:36 PM CDTMesoscale DiscussionSPCCerro Gordo, Dickinson, Emmet, Floyd, Franklin, Hancock and 7 more114 min
May 19, 4:54 PM CDTMesoscale DiscussionSPCHoward, Mitchell, Winneshiek, Worth2 hr
May 19, 7:04 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 39 more116 min
May 20, 7:10 PM CDTMesoscale DiscussionSPCDes Moines, Lee2 hr
May 25, 6:46 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Jackson, Johnson, Jones and 4 more119 min
May 26, 9:52 AM CDTMesoscale DiscussionSPCDes Moines, Lee83 min
May 29, 4:16 AM CDTMesoscale DiscussionSPCLyon, Osceola89 min
May 29, 5:54 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 25 more2 hr
May 29, 10:02 AM CDTMesoscale DiscussionSPCAllamakee88 min
May 29, 11:25 PM CDTMesoscale DiscussionSPCLyon, Osceola, Sioux95 min
May 30, 2:21 AM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more84 min
May 30, 5:40 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more95 min
May 30, 9:27 AM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Plymouth, Sioux93 min
May 30, 11:28 AM CDTMesoscale DiscussionSPCLyon, Osceola, Plymouth, Sioux92 min
May 30, 1:34 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Ida, Lyon, Monona and 5 more86 min
May 30, 1:55 PM CDTMesoscale DiscussionSPCAdams, Audubon, Cass, Crawford, Fremont, Harrison and 6 more2 hr
May 30, 6:51 PM CDTMesoscale DiscussionSPCDickinson, Osceola54 min
May 30, 7:30 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more90 min
May 30, 9:39 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Cass, Clarke and 15 more66 min
May 30, 11:27 PM CDTMesoscale DiscussionSPCCerro Gordo, Chickasaw, Floyd, Howard, Mitchell, Winneshiek and 1 more63 min
May 31, 6:22 PM CDTMesoscale DiscussionSPCClinton, Davis, Des Moines, Henry, Jefferson, Lee and 5 more83 min
Jun 5, 3:45 PM CDTMesoscale DiscussionSPCAdair, Audubon, Black Hawk, Boone, Butler, Calhoun and 26 more2 hr
Jun 6, 12:36 PM CDTMesoscale DiscussionSPCAdair, Adams, Clarke, Dallas, Decatur, Guthrie and 11 more114 min
Jun 6, 3:45 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 14 more2 hr
Jun 7, 7:47 PM CDTMesoscale DiscussionSPCAdair, Adams, Clarke, Decatur, Lucas, Madison and 4 more118 min
Jun 7, 8:18 PM CDTMesoscale DiscussionSPCFremont, Harrison, Mills, Pottawattamie87 min
Jun 11, 2:59 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Crawford, Decatur and 13 more91 min
Jun 12, 12:44 AM CDTMesoscale DiscussionSPCPlymouth, Sioux2 hr
Jun 13, 5:40 AM CDTMesoscale DiscussionSPCEmmet, Winnebago, Worth3 hr
Jun 13, 9:06 AM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more114 min
Jun 14, 5:32 PM CDTMesoscale DiscussionSPCFremont2 hr
Jun 14, 8:46 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 19 more2 hr
Jun 14, 11:20 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Carroll, Cass, Dallas and 11 more115 min
Jun 15, 1:52 AM CDTMesoscale DiscussionSPCAdair, Audubon, Black Hawk, Boone, Bremer, Buchanan and 38 more83 min
Jun 15, 3:42 AM CDTMesoscale DiscussionSPCAdair, Allamakee, Audubon, Benton, Black Hawk, Boone and 44 more93 min
Jun 15, 11:18 AM CDTMesoscale DiscussionSPCAllamakee, Howard, Mitchell, Winneshiek87 min
Jun 15, 1:22 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 14 more113 min
Jun 15, 3:19 PM CDTMesoscale DiscussionSPCAllamakee86 min
Jun 15, 5:06 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Henry, Iowa, Jefferson, Johnson and 9 more114 min
Jun 15, 7:53 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa, Scott, Van Buren97 min
Jun 16, 9:50 PM CDTMesoscale DiscussionSPCFremont, Mills, Page, Taylor115 min
Jun 17, 3:29 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Fremont, Lee, Page and 3 more2 hr
Jun 21, 5:26 PM CDTMesoscale DiscussionSPCBenton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 14 more94 min
Jun 25, 1:56 AM CDTMesoscale DiscussionSPCBoone, Buena Vista, Butler, Calhoun, Carroll, Cerro Gordo and 25 more3 hr
Jun 25, 2:17 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Davis, Decatur, Des Moines, Henry and 17 more118 min
Jun 25, 7:16 PM CDTMesoscale DiscussionSPCDes Moines, Lee89 min
Jun 28, 8:25 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 8 more95 min
Jul 4, 6:33 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Chickasaw, Clayton, Delaware, Dubuque and 4 more117 min
Jul 4, 9:47 PM CDTMesoscale DiscussionSPCClayton, Delaware, Dubuque, Jackson88 min
Jul 5, 2:44 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 4 more2 hr
Jul 5, 3:32 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 17 more118 min
Jul 5, 5:09 PM CDTMesoscale DiscussionSPCBlack Hawk, Boone, Bremer, Buchanan, Buena Vista, Butler and 35 more66 min
Jul 5, 6:29 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Delaware, Dubuque, Fayette and 3 more91 min
Jul 5, 6:49 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Benton, Black Hawk, Boone and 34 more86 min
Jul 5, 8:41 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 12 more94 min
Jul 5, 10:24 PM CDTMesoscale DiscussionSPCCedar, Clinton, Dubuque, Jackson, Jones, Muscatine and 1 more96 min
Jul 7, 7:52 PM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Mills, Montgomery, Page and 3 more113 min
Jul 10, 10:55 PM CDTMesoscale DiscussionSPCBuena Vista, Carroll, Cherokee, Crawford, Harrison, Ida and 7 more2 hr
Jul 11, 3:58 AM CDTMesoscale DiscussionSPCAudubon, Boone, Calhoun, Carroll, Crawford, Dallas and 13 more92 min
Jul 11, 5:25 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Buchanan, Cedar, Clinton and 20 more65 min
Jul 11, 7:29 AM CDTMesoscale DiscussionSPCClinton, Muscatine, Scott61 min
Jul 22, 5:39 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Ida, Monona, O'Brien and 4 more2 hr
Jul 22, 10:22 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Butler and 36 more113 min
Jul 23, 2:05 AM CDTMesoscale DiscussionSPCBenton, Cedar, Clinton, Delaware, Des Moines, Dubuque and 14 more2 hr
Jul 23, 10:43 AM CDTMesoscale DiscussionSPCAllamakee, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 18 more92 min
Jul 23, 1:58 PM CDTMesoscale DiscussionSPCClinton2 hr
Jul 23, 2:36 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 10 more84 min
Jul 23, 4:41 PM CDTMesoscale DiscussionSPCPlymouth, Sioux, Woodbury64 min
Jul 23, 7:42 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 14 more2 hr
Jul 23, 11:45 PM CDTMesoscale DiscussionSPCAllamakee, Buchanan, Clayton, Clinton, Delaware, Dubuque and 4 more2 hr
Jul 31, 8:46 PM CDTMesoscale DiscussionSPCBlack Hawk, Boone, Bremer, Butler, Cerro Gordo, Chickasaw and 19 more119 min
Aug 3, 10:42 AM CDTMesoscale DiscussionSPCDelaware, Dubuque93 min
Aug 6, 5:19 PM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Emmet, Fayette, Floyd and 12 more116 min
Aug 7, 2:08 PM CDTMesoscale DiscussionSPCBoone, Calhoun, Carroll, Greene, Pocahontas, Sac and 1 more2 hr
Aug 18, 5:58 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Lyon, Monona, O'Brien and 4 more2 hr
Aug 18, 8:43 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Crawford, Emmet, Harrison and 6 more32 min
Aug 19, 2:31 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Cass and 32 more119 min
Aug 20, 12:51 PM CDTMesoscale DiscussionSPCCedar, Des Moines, Louisa, Muscatine, Scott2 hr
Aug 24, 5:04 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 30 more86 min
Aug 27, 2:50 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 30 more2 hr
Aug 27, 6:55 PM CDTMesoscale DiscussionSPCWinnebago, Worth2 hr
Aug 29, 7:39 AM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 26 more96 min
Aug 29, 9:42 AM CDTMesoscale DiscussionSPCClinton, Des Moines, Henry, Jefferson, Louisa, Muscatine and 2 more2 hr
Sep 17, 2:32 AM CDTMesoscale DiscussionSPCMonona, Plymouth, Woodbury58 min
Sep 17, 5:11 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie4 hr
Sep 17, 6:59 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Butler and 39 more4 hr
Sep 17, 10:34 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Clarke, Davis, Decatur and 15 more116 min
Sep 18, 3:56 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Clarke, Dallas, Davis, Decatur and 23 more2 hr
Sep 18, 8:41 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cedar, Clarke, Davis and 25 more3 hr
Sep 18, 11:28 PM CDTMesoscale DiscussionSPCLee2 hr
Oct 11, 11:50 PM CDTMesoscale DiscussionSPCAdams, Audubon, Cass, Fremont, Mills, Montgomery and 2 more115 min
Oct 23, 7:24 PM CDTMesoscale DiscussionSPCLyon, Osceola, Sioux66 min
Nov 4, 2:05 PM CDTMesoscale DiscussionSPCClinton, Des Moines, Henry, Lee, Louisa, Muscatine and 1 more115 min
Nov 10, 11:47 AM CSTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 36 more88 min
Dec 8, 11:36 PM CSTMesoscale DiscussionSPCBuena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 15 more4 hr
Dec 21, 10:33 AM CSTMesoscale DiscussionSPCDickinson, Emmet, Lyon, O'Brien, Osceola, Sioux4 hr
Dec 21, 11:48 PM CSTMesoscale DiscussionSPCAdair, Adams, Cass, Fremont, Mills, Montgomery and 4 more3 hr
Dec 22, 10:59 AM CSTMesoscale DiscussionSPCDes Moines, Scott4 hr

By county

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

59 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 30, 20228mesoscale discussions
  2. June 15, 20228mesoscale discussions
  3. July 5, 20226mesoscale discussions
  4. July 23, 20226mesoscale discussions
  5. April 30, 20224mesoscale discussions
  6. May 11, 20224mesoscale discussions
  7. May 17, 20224mesoscale discussions
  8. May 31, 20224mesoscale discussions
  9. July 11, 20224mesoscale discussions
  10. January 14, 20223mesoscale discussions
  11. March 5, 20223mesoscale discussions
  12. April 12, 20223mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20212023

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.