Alert archive / Iowa / Mesoscale Discussions

Mesoscale Discussions in Iowa, 2014

181 mesoscale discussions in 2014. 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 2014. Tap one for its archive.

Mesoscale Discussions
181
Busiest month
June72 mesoscale discussions
Busiest day
June 30, 201411 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
Feb 4, 11:38 AM CSTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Des Moines, Fremont, Henry and 6 more6 hr
Feb 17, 2:26 AM CSTMesoscale DiscussionSPCDes Moines, Lee, Van Buren4 hr
Feb 17, 3:29 AM CSTMesoscale DiscussionSPCClay, Dickinson, Emmet, Hancock, Kossuth, Palo Alto and 2 more3 hr
Feb 17, 11:30 AM CSTMesoscale DiscussionSPCClinton, Jackson, Scott5 hr
Feb 20, 4:24 AM CSTMesoscale DiscussionSPCDecatur, Ringgold2 hr
Feb 20, 5:28 AM CSTMesoscale DiscussionSPCCherokee, Harrison, Lyon, Monona, O'Brien, Osceola and 3 more5 hr
Feb 20, 10:20 AM CSTMesoscale DiscussionSPCAppanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 31 more85 min
Feb 20, 11:20 AM CSTMesoscale DiscussionSPCAdair, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 39 more6 hr
Mar 11, 11:52 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Lee, Van Buren6 hr
Mar 31, 3:52 PM CDTMesoscale DiscussionSPCBoone, Butler, Cerro Gordo, Clarke, Dallas, Decatur and 21 more113 min
Mar 31, 6:43 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 25 more3 hr
Apr 3, 1:05 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 25 more55 min
Apr 3, 2:49 AM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Lee, Louisa, Van Buren116 min
Apr 12, 10:24 AM CDTMesoscale DiscussionSPCAllamakee, Winneshiek2 hr
Apr 12, 2:30 PM CDTMesoscale DiscussionSPCAdair, Audubon, Benton, Black Hawk, Boone, Bremer and 44 more2 hr
Apr 12, 4:46 PM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Mills, Montgomery, Page and 4 more59 min
Apr 12, 6:20 PM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Audubon, Benton, Black Hawk and 46 more55 min
Apr 12, 9:08 PM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Audubon, Benton, Black Hawk and 46 more67 min
Apr 12, 9:12 PM CDTMesoscale DiscussionSPCDecatur, Page, Ringgold, Taylor63 min
Apr 12, 11:26 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 35 more64 min
Apr 13, 1:37 AM CDTMesoscale DiscussionSPCClinton, Jackson, Muscatine, Scott83 min
Apr 13, 7:41 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 15 more2 hr
Apr 13, 1:16 PM CDTMesoscale DiscussionSPCBuena Vista, Carroll, Cherokee, Crawford, Harrison, Ida and 7 more6 hr
Apr 27, 10:37 AM CDTMesoscale DiscussionSPCPage, Ringgold, Taylor113 min
Apr 27, 1:59 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Audubon, Boone, Calhoun, Carroll and 28 more61 min
Apr 27, 4:26 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Cedar, Clayton and 19 more64 min
Apr 28, 12:54 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Audubon, Boone, Calhoun, Carroll and 33 more2 hr
Apr 28, 3:38 PM CDTMesoscale DiscussionSPCCarroll, Cedar, Dallas, Davis, Des Moines, Greene and 18 more2 hr
May 7, 2:28 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, Osceola, Palo Alto2 hr
May 7, 5:35 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Hancock, Kossuth, Osceola and 3 more85 min
May 7, 7:48 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Fremont, Guthrie and 7 more87 min
May 7, 9:44 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more91 min
May 8, 3:46 AM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more119 min
May 8, 12:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Butler and 40 more2 hr
May 8, 5:56 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 42 more94 min
May 8, 8:34 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 22 more86 min
May 10, 12:54 PM CDTMesoscale DiscussionSPCFremont2 hr
May 10, 3:42 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Crawford and 13 more93 min
May 10, 5:07 PM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 17 more83 min
May 11, 1:19 AM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more2 hr
May 11, 7:02 AM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie118 min
May 11, 9:16 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 64 more89 min
May 11, 10:47 AM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 19 more118 min
May 11, 12:49 PM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Mills, Montgomery, Page and 2 more116 min
May 11, 12:51 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Des Moines, Dubuque and 14 more54 min
May 11, 2:36 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Iowa, Jefferson, Johnson, Keokuk and 5 more84 min
May 11, 5:09 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Lee, Louisa, Van Buren and 1 more66 min
May 11, 6:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Fremont, Mills, Montgomery and 5 more67 min
May 11, 7:04 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Calhoun, Carroll, Clarke and 21 more56 min
May 11, 9:31 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more59 min
May 11, 11:01 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more59 min
May 12, 11:54 AM CDTMesoscale DiscussionSPCAppanoose, Benton, Cedar, Clarke, Clinton, Davis and 31 more2 hr
May 12, 3:21 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 23 more54 min
May 12, 6:56 PM CDTMesoscale DiscussionSPCJackson64 min
May 12, 7:26 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Cedar, Clinton and 22 more64 min
May 20, 2:55 PM CDTMesoscale DiscussionSPCBenton, Delaware, Dubuque, Jackson, Jones, Linn2 hr
May 20, 5:49 PM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Buchanan, Cedar and 18 more86 min
May 20, 9:56 PM CDTMesoscale DiscussionSPCBenton, Cedar, Clinton, Dallas, Guthrie, Iowa and 10 more94 min
May 21, 1:27 AM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Clinton, Davis, Decatur and 21 more93 min
May 21, 1:40 PM CDTMesoscale DiscussionSPCLee2 hr
May 31, 1:18 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Emmet, Lyon, O'Brien and 4 more117 min
Jun 1, 1:50 PM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Clay, Emmet, Floyd and 12 more85 min
Jun 1, 2:34 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more86 min
Jun 1, 3:42 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Crawford, Harrison, Ida and 9 more63 min
Jun 1, 4:52 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Buena Vista, Butler, Calhoun and 27 more53 min
Jun 3, 3:48 PM CDTMesoscale DiscussionSPCAudubon, Cass, Harrison, Monona, Pottawattamie, Shelby87 min
Jun 3, 4:37 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 22 more83 min
Jun 3, 7:04 PM CDTMesoscale DiscussionSPCAdams, Decatur, Fremont, Mills, Montgomery, Page and 4 more56 min
Jun 3, 9:41 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 14 more64 min
Jun 5, 1:55 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more95 min
Jun 5, 4:35 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 19 more85 min
Jun 5, 8:24 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 2 more96 min
Jun 14, 1:57 PM CDTMesoscale DiscussionSPCPlymouth2 hr
Jun 14, 7:39 PM CDTMesoscale DiscussionSPCPlymouth, Woodbury96 min
Jun 14, 9:39 PM CDTMesoscale DiscussionSPCPlymouth96 min
Jun 14, 11:22 PM CDTMesoscale DiscussionSPCHarrison, Monona, Woodbury53 min
Jun 15, 1:10 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 11 more95 min
Jun 15, 3:00 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more90 min
Jun 16, 10:19 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Buena Vista and 64 more116 min
Jun 16, 2:13 PM CDTMesoscale DiscussionSPCFremont, Mills62 min
Jun 16, 2:19 PM CDTMesoscale DiscussionSPCDavis, Jefferson, Lee, Van Buren, Wapello86 min
Jun 16, 3:11 PM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more2 hr
Jun 16, 5:10 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Chickasaw, Clayton, Fayette, Floyd and 3 more35 min
Jun 16, 9:11 PM CDTMesoscale DiscussionSPCAudubon, Boone, Calhoun, Carroll, Cherokee, Crawford and 15 more64 min
Jun 16, 11:11 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 23 more64 min
Jun 16, 11:40 PM CDTMesoscale DiscussionSPCCedar, Clinton, Iowa, Jackson, Johnson, Jones and 5 more65 min
Jun 17, 1:29 AM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Davis, Decatur, Des Moines and 23 more91 min
Jun 17, 3:41 AM CDTMesoscale DiscussionSPCClinton, Jackson, Scott64 min
Jun 17, 5:12 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Lyon, O'Brien, Osceola and 2 more2 hr
Jun 17, 7:44 PM CDTMesoscale DiscussionSPCAllamakee, Howard, Winneshiek2 hr
Jun 17, 9:38 PM CDTMesoscale DiscussionSPCClinton, Jackson97 min
Jun 17, 10:18 PM CDTMesoscale DiscussionSPCCherokee, Clay, Dickinson, Ida, Lyon, O'Brien and 4 more57 min
Jun 17, 11:01 PM CDTMesoscale DiscussionSPCPlymouth, Sioux29 min
Jun 17, 11:23 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 11 more37 min
Jun 18, 1:52 AM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 27 more83 min
Jun 18, 3:07 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 11 more53 min
Jun 18, 5:36 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Clayton and 12 more54 min
Jun 18, 3:29 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux91 min
Jun 18, 8:47 PM CDTMesoscale DiscussionSPCDickinson, Lyon, O'Brien, Osceola, Sioux88 min
Jun 19, 1:15 AM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury90 min
Jun 19, 3:15 AM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury90 min
Jun 19, 1:10 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Clay and 15 more95 min
Jun 19, 2:02 PM CDTMesoscale DiscussionSPCKossuth, Winnebago, Worth88 min
Jun 19, 2:40 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 4 more65 min
Jun 20, 5:40 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 16 more95 min
Jun 20, 8:29 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Calhoun, Carroll, Cass and 15 more91 min
Jun 20, 11:28 PM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Decatur, Fremont, Harrison and 8 more92 min
Jun 21, 1:57 AM CDTMesoscale DiscussionSPCAdams, Fremont, Mills, Montgomery, Page, Ringgold and 2 more63 min
Jun 21, 12:41 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more2 hr
Jun 21, 11:57 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Kossuth and 7 more93 min
Jun 22, 11:19 AM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 38 more101 min
Jun 22, 12:24 PM CDTMesoscale DiscussionSPCDecatur, Ringgold, Wayne66 min
Jun 22, 2:30 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 18 more60 min
Jun 22, 5:58 PM CDTMesoscale DiscussionSPCDes Moines, Lee92 min
Jun 26, 2:54 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 88 more3 hr
Jun 27, 2:30 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Bremer, Buchanan, Cedar and 33 more60 min
Jun 28, 1:12 PM CDTMesoscale DiscussionSPCBlack Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 25 more2 hr
Jun 28, 5:15 PM CDTMesoscale DiscussionSPCCherokee, Harrison, Lyon, Monona, O'Brien, Osceola and 3 more90 min
Jun 28, 6:09 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 32 more96 min
Jun 29, 2:02 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 33 more118 min
Jun 29, 5:14 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 20 more91 min
Jun 29, 6:06 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 20 more84 min
Jun 29, 7:50 PM CDTMesoscale DiscussionSPCBuchanan, Clayton, Delaware, Dubuque, Fayette, Jackson and 2 more85 min
Jun 29, 9:43 PM CDTMesoscale DiscussionSPCAllamakee, Buchanan, Cedar, Clayton, Clinton, Delaware and 6 more92 min
Jun 29, 10:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Clarke, Dallas, Decatur and 16 more65 min
Jun 30, 3:32 AM CDTMesoscale DiscussionSPCAudubon, Boone, Calhoun, Carroll, Cherokee, Crawford and 15 more58 min
Jun 30, 7:16 AM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 36 more89 min
Jun 30, 9:08 AM CDTMesoscale DiscussionSPCAdair, Adams, Cass, Harrison, Mills, Montgomery and 2 more67 min
Jun 30, 10:48 AM CDTMesoscale DiscussionSPCAudubon, Calhoun, Carroll, Crawford, Greene, Guthrie and 7 more87 min
Jun 30, 1:27 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 60 more93 min
Jun 30, 3:17 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 28 more58 min
Jun 30, 3:25 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 18 more35 min
Jun 30, 6:28 PM CDTMesoscale DiscussionSPCBenton, Cedar, Clinton, Dubuque, Iowa, Jackson and 10 more92 min
Jun 30, 7:26 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Keokuk, Lee and 5 more2 hr
Jun 30, 7:48 PM CDTMesoscale DiscussionSPCLee57 min
Jul 5, 1:54 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 15 more96 min
Jul 6, 4:44 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 42 more61 min
Jul 6, 9:07 PM CDTMesoscale DiscussionSPCAdair, Adams, Benton, Cedar, Clarke, Delaware and 20 more53 min
Jul 7, 4:47 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 4 more88 min
Jul 7, 7:52 PM CDTMesoscale DiscussionSPCDecatur, Fremont, Mills, Montgomery, Page, Ringgold and 1 more83 min
Jul 7, 8:06 PM CDTMesoscale DiscussionSPCAllamakee, Howard, Mitchell, Winneshiek54 min
Jul 7, 10:36 PM CDTMesoscale DiscussionSPCAllamakee54 min
Jul 12, 3:48 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 50 more117 min
Jul 12, 5:51 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Jackson, Johnson and 5 more84 min
Jul 12, 7:09 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Davis, Decatur, Des Moines, Henry and 13 more96 min
Jul 12, 9:09 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Lee, Louisa, Scott and 1 more66 min
Jul 22, 7:16 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more119 min
Jul 22, 7:41 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Van Buren94 min
Jul 24, 11:06 AM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Plymouth, Sioux84 min
Jul 26, 9:44 AM CDTMesoscale DiscussionSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 18 more91 min
Aug 4, 2:06 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 36 more84 min
Aug 18, 2:57 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clay and 17 more93 min
Aug 18, 6:49 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 39 more86 min
Aug 18, 9:49 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 10 more56 min
Aug 20, 2:40 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Clarke and 17 more2 hr
Aug 20, 9:07 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux2 hr
Aug 21, 3:58 AM CDTMesoscale DiscussionSPCDickinson, Emmet, Osceola92 min
Aug 21, 9:04 AM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 31 more86 min
Aug 24, 11:41 PM CDTMesoscale DiscussionSPCAllamakee, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 14 more94 min
Aug 28, 1:12 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 13 more3 hr
Aug 28, 7:49 PM CDTMesoscale DiscussionSPCLyon, Sioux86 min
Aug 29, 1:33 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Taylor2 hr
Aug 29, 3:02 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 29 more2 hr
Aug 31, 2:20 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 30 more85 min
Aug 31, 6:07 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 28 more83 min
Aug 31, 9:09 PM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 39 more96 min
Sep 3, 10:41 PM CDTMesoscale DiscussionSPCAllamakee79 min
Sep 4, 5:04 PM CDTMesoscale DiscussionSPCAllamakee86 min
Sep 8, 3:42 AM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Ida, Lyon, O'Brien, Plymouth and 3 more3 hr
Sep 9, 12:13 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Decatur and 11 more62 min
Sep 9, 3:06 PM CDTMesoscale DiscussionSPCAdams, Decatur, Fremont, Mills, Montgomery, Page and 3 more114 min
Sep 9, 5:06 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Fremont, Guthrie and 9 more54 min
Sep 9, 6:45 PM CDTMesoscale DiscussionSPCAppanoose, Decatur, Fremont, Monroe, Page, Ringgold and 2 more90 min
Sep 19, 6:19 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee, Clay and 21 more2 hr
Sep 19, 10:34 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Kossuth and 6 more116 min
Sep 19, 11:45 PM CDTMesoscale DiscussionSPCButler, Calhoun, Cerro Gordo, Floyd, Franklin, Hamilton and 8 more2 hr
Sep 20, 5:23 PM CDTMesoscale DiscussionSPCAllamakee, Howard, Mitchell, Winneshiek67 min
Sep 20, 6:56 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Lee, Louisa and 4 more2 hr
Sep 20, 7:25 PM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Floyd, Hancock, Howard and 5 more65 min
Sep 30, 5:09 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 8 more96 min
Oct 2, 6:59 AM CDTMesoscale DiscussionSPCPage, Ringgold, Taylor61 min

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. June 30, 201411mesoscale discussions
  2. May 11, 20149mesoscale discussions
  3. June 18, 20149mesoscale discussions
  4. April 13, 20146mesoscale discussions
  5. May 12, 20146mesoscale discussions
  6. June 17, 20146mesoscale discussions
  7. June 19, 20146mesoscale discussions
  8. May 8, 20145mesoscale discussions
  9. June 15, 20145mesoscale discussions
  10. June 16, 20145mesoscale discussions
  11. June 22, 20145mesoscale discussions
  12. February 20, 20144mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20132015

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.