Alert archive / Iowa / Mesoscale Discussions

Mesoscale Discussions in Iowa, 2003

187 mesoscale discussions in 2003. 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 2003. Tap one for its archive.

Mesoscale Discussions
187
Busiest month
July70 mesoscale discussions
Busiest day
July 8, 200310 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 28, 5:41 PM CSTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Lee, Van Buren5 hr
Feb 3, 9:38 AM CSTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 26 more5 hr
Feb 3, 1:37 PM CSTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Howard, Mitchell and 1 more6 hr
Feb 14, 9:02 AM CSTMesoscale DiscussionSPCBuena Vista, Butler, Calhoun, Cerro Gordo, Cherokee, Clay and 22 more6 hr
Feb 14, 3:45 PM CSTMesoscale DiscussionSPCBenton, Buchanan, Cedar, Clayton, Clinton, Delaware and 9 more5 hr
Feb 14, 9:18 PM CSTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 40 more6 hr
Mar 4, 10:21 AM CSTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Boone and 41 more4 hr
Mar 24, 5:54 PM CSTMesoscale DiscussionSPCLee3 hr
Apr 3, 8:39 PM CSTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 11 more2 hr
Apr 3, 11:44 PM CSTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Lucas, Monroe, Page and 3 more2 hr
Apr 4, 1:47 AM CSTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Lucas, Monroe, Page and 3 more88 min
Apr 4, 1:33 PM CSTMesoscale DiscussionSPCAllamakee, Clayton, Fayette6 hr
Apr 6, 5:41 PM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Bremer, Buena Vista and 37 more5 hr
Apr 15, 7:19 PM CDTMesoscale DiscussionSPCLyon, Osceola, Plymouth, Sioux86 min
Apr 15, 8:34 PM CDTMesoscale DiscussionSPCEmmet, Winnebago, Worth86 min
Apr 18, 5:15 PM CDTMesoscale DiscussionSPCFremont90 min
Apr 18, 7:33 PM CDTMesoscale DiscussionSPCFremont, Mills, Page, Taylor57 min
Apr 18, 7:48 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Calhoun, Carroll, Cass and 24 more87 min
Apr 18, 9:56 PM CDTMesoscale DiscussionSPCCrawford, Harrison, Ida, Monona, Pottawattamie, Sac and 2 more64 min
Apr 19, 12:15 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Cedar, Clinton and 20 more3 hr
Apr 29, 7:00 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 13 more3 hr
Apr 29, 10:40 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 17 more2 hr
Apr 30, 11:04 AM CDTMesoscale DiscussionSPCCedar, Clinton, Dubuque, Jackson, Jones, Scott116 min
Apr 30, 12:22 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee113 min
Apr 30, 2:49 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Lucas, Monroe, Page and 3 more116 min
Apr 30, 3:24 PM CDTMesoscale DiscussionSPCDes Moines, Louisa, Muscatine2 hr
Apr 30, 7:31 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Clinton, Davis, Decatur and 22 more119 min
Apr 30, 10:31 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clarke, Clinton, Davis, Decatur and 22 more89 min
May 3, 11:46 PM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Harrison, Mills, Monona and 5 more59 min
May 4, 2:58 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 37 more92 min
May 4, 7:43 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 15 more2 hr
May 4, 9:48 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Carroll, Cass, Cherokee, Clay and 17 more117 min
May 4, 12:14 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie, Taylor2 hr
May 4, 2:22 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Pottawattamie, Taylor113 min
May 4, 3:56 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Audubon, Boone, Carroll, Cass and 22 more2 hr
May 4, 7:39 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Clarke, Dallas, Decatur and 14 more96 min
May 4, 8:05 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Lee, Louisa and 4 more85 min
May 8, 3:51 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Decatur and 13 more3 hr
May 8, 7:50 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 7 more85 min
May 8, 7:55 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 7 more95 min
May 8, 4:18 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 11 more57 min
May 8, 9:27 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 53 more93 min
May 8, 11:50 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Buchanan, Davis, Des Moines and 24 more55 min
May 10, 5:43 AM CDTMesoscale DiscussionSPCLee92 min
May 10, 10:54 AM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa, Van Buren66 min
May 10, 3:17 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 26 more58 min
May 10, 5:57 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Fayette93 min
May 10, 8:18 PM CDTMesoscale DiscussionSPCCedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 8 more117 min
May 13, 1:13 PM CDTMesoscale DiscussionSPCHarrison92 min
May 13, 8:38 PM CDTMesoscale DiscussionSPCFremont, Page2 hr
May 14, 12:36 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Johnson, Lee, Louisa, Muscatine and 1 more84 min
May 14, 12:40 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Cass, Clarke and 22 more95 min
May 14, 3:23 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 33 more97 min
May 30, 4:32 AM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 40 more58 min
May 30, 2:06 PM CDTMesoscale DiscussionSPCBenton, Boone, Carroll, Cedar, Clinton, Crawford and 13 more2 hr
May 30, 6:55 PM CDTMesoscale DiscussionSPCClinton, Jackson, Scott95 min
Jun 9, 7:23 PM CDTMesoscale DiscussionSPCMonona2 hr
Jun 9, 8:52 PM CDTMesoscale DiscussionSPCMonona, Woodbury113 min
Jun 9, 9:22 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 32 more53 min
Jun 9, 10:13 PM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Sioux2 hr
Jun 9, 11:20 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Carroll, Cass and 16 more115 min
Jun 9, 11:46 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page119 min
Jun 10, 2:44 AM CDTMesoscale DiscussionSPCAppanoose, Decatur, Lucas, Mahaska, Monroe, Ringgold and 2 more2 hr
Jun 18, 1:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Benton, Buchanan, Cass, Cedar and 33 more95 min
Jun 21, 3:03 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 7 more117 min
Jun 22, 9:30 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 20 more3 hr
Jun 23, 6:24 PM CDTMesoscale DiscussionSPCLyon, Osceola, Sioux66 min
Jun 23, 8:08 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 28 more67 min
Jun 23, 9:10 PM CDTMesoscale DiscussionSPCCherokee, Dickinson, Lyon, O'Brien, Osceola, Sioux65 min
Jun 23, 10:38 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Humboldt, Ida and 9 more67 min
Jun 24, 1:52 AM CDTMesoscale DiscussionSPCPlymouth53 min
Jun 24, 2:44 AM CDTMesoscale DiscussionSPCLyon, Osceola, Sioux2 hr
Jun 24, 3:09 AM CDTMesoscale DiscussionSPCBoone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 12 more96 min
Jun 24, 11:43 AM CDTMesoscale DiscussionSPCAdams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more2 hr
Jun 24, 3:56 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Fremont, Guthrie and 6 more64 min
Jun 24, 5:59 PM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Plymouth, Sioux61 min
Jun 24, 10:27 PM CDTMesoscale DiscussionSPCDickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux93 min
Jun 25, 12:37 AM CDTMesoscale DiscussionSPCBoone, Butler, Calhoun, Carroll, Chickasaw, Crawford and 12 more113 min
Jun 25, 10:36 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Benton, Cass, Clarke, Davis and 24 more114 min
Jun 25, 11:38 AM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Clay, Emmet, Greene and 8 more2 hr
Jun 25, 11:50 AM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Delaware, Des Moines and 18 more115 min
Jun 25, 2:43 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Decatur, Des Moines and 20 more2 hr
Jun 27, 5:44 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 24 more91 min
Jun 27, 9:43 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 5 more62 min
Jun 27, 10:06 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Ringgold, Taylor84 min
Jun 28, 2:58 PM CDTMesoscale DiscussionSPCCedar, Clinton, Dubuque, Iowa, Jackson, Jasper and 6 more2 hr
Jul 3, 8:11 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more94 min
Jul 3, 11:23 PM CDTMesoscale DiscussionSPCAllamakee, Boone, Bremer, Buena Vista, Butler, Calhoun and 36 more97 min
Jul 4, 12:42 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Boone, Bremer, Butler, Calhoun and 24 more63 min
Jul 4, 3:27 AM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 14 more93 min
Jul 4, 12:48 PM CDTMesoscale DiscussionSPCDes Moines, Henry117 min
Jul 4, 8:43 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 20 more62 min
Jul 4, 10:45 PM CDTMesoscale DiscussionSPCAdair, Audubon, Benton, Black Hawk, Bremer, Buchanan and 68 more90 min
Jul 5, 2:31 AM CDTMesoscale DiscussionSPCCedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 10 more89 min
Jul 5, 12:19 PM CDTMesoscale DiscussionSPCHarrison, Monona2 hr
Jul 5, 5:18 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 37 more57 min
Jul 5, 6:42 PM CDTMesoscale DiscussionSPCFremont, Harrison, Mills, Monona, Page, Pottawattamie and 1 more93 min
Jul 5, 7:51 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 30 more54 min
Jul 5, 8:04 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more86 min
Jul 5, 10:46 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 28 more59 min
Jul 5, 10:57 PM CDTMesoscale DiscussionSPCFremont, Harrison, Mills, Monona, Montgomery, Page and 1 more63 min
Jul 6, 2:26 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Benton, Black Hawk, Boone and 49 more94 min
Jul 6, 4:33 AM CDTMesoscale DiscussionSPCAdair, Audubon, Carroll, Cass, Clarke, Crawford and 12 more87 min
Jul 6, 5:17 AM CDTMesoscale DiscussionSPCAllamakee, Cedar, Clinton, Dubuque, Jackson, Jones118 min
Jul 6, 9:48 AM CDTMesoscale DiscussionSPCClinton, Des Moines, Jackson, Lee, Louisa, Muscatine and 1 more117 min
Jul 6, 5:28 PM CDTMesoscale DiscussionSPCClinton, Dubuque, Jackson, Scott62 min
Jul 6, 8:57 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 35 more3 hr
Jul 6, 11:06 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Buena Vista and 62 more114 min
Jul 7, 1:25 AM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 16 more95 min
Jul 7, 4:22 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 5 more83 min
Jul 7, 6:23 AM CDTMesoscale DiscussionSPCCedar, Clinton, Delaware, Dubuque, Iowa, Jackson and 5 more97 min
Jul 7, 12:14 PM CDTMesoscale DiscussionSPCClinton, Des Moines, Lee, Louisa, Muscatine, Scott61 min
Jul 7, 2:35 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Delaware, Dubuque115 min
Jul 7, 3:30 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Cass and 31 more3 hr
Jul 7, 7:16 PM CDTMesoscale DiscussionSPCAdair, Audubon, Benton, Cass, Cedar, Clinton and 20 more3 hr
Jul 7, 10:15 PM CDTMesoscale DiscussionSPCCrawford, Harrison, Ida, Monona, Plymouth, Pottawattamie and 1 more3 hr
Jul 7, 11:25 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more2 hr
Jul 8, 1:34 AM CDTMesoscale DiscussionSPCCherokee, Crawford, Fremont, Harrison, Ida, Mills and 5 more116 min
Jul 8, 2:52 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 49 more113 min
Jul 8, 8:50 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Cass and 32 more115 min
Jul 8, 12:59 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 17 more91 min
Jul 8, 3:40 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee95 min
Jul 8, 5:13 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 19 more92 min
Jul 8, 6:46 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Lee, Ringgold, Taylor and 2 more3 hr
Jul 8, 8:59 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 9 more2 hr
Jul 9, 4:15 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Buena Vista and 50 more2 hr
Jul 9, 1:08 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Benton, Black Hawk, Boone and 47 more67 min
Jul 9, 5:38 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Benton, Black Hawk, Boone and 61 more97 min
Jul 9, 7:43 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 18 more32 min
Jul 9, 8:04 PM CDTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Lee, Louisa and 3 more56 min
Jul 9, 10:00 PM CDTMesoscale DiscussionSPCBlack Hawk, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 11 more60 min
Jul 14, 9:58 AM CDTMesoscale DiscussionSPCBremer, Buena Vista, Butler, Cerro Gordo, Cherokee, Chickasaw and 17 more62 min
Jul 14, 1:52 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Carroll, Cherokee, Clay, Crawford and 18 more113 min
Jul 14, 7:16 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Howard, Mitchell and 1 more119 min
Jul 14, 9:24 PM CDTMesoscale DiscussionSPCAudubon, Boone, Calhoun, Carroll, Crawford, Dallas and 7 more36 min
Jul 14, 11:05 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 22 more55 min
Jul 15, 2:40 AM CDTMesoscale DiscussionSPCClinton, Davis, Des Moines, Henry, Jefferson, Lee and 6 more3 hr
Jul 16, 10:44 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Jefferson, Lucas and 10 more2 hr
Jul 17, 1:29 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Dubuque, Jackson91 min
Jul 17, 6:42 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 18 more2 hr
Jul 18, 2:26 AM CDTMesoscale DiscussionSPCBenton, Cedar, Dallas, Des Moines, Henry, Iowa and 19 more3 hr
Jul 18, 6:15 AM CDTMesoscale DiscussionSPCDavis60 min
Jul 20, 4:14 AM CDTMesoscale DiscussionSPCHoward, Mitchell, Winnebago, Winneshiek, Worth3 hr
Jul 20, 10:07 AM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more53 min
Jul 20, 2:09 PM CDTMesoscale DiscussionSPCCrawford, Harrison, Monona, Plymouth, Pottawattamie, Shelby and 2 more66 min
Jul 20, 5:29 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Cherokee and 17 more91 min
Jul 20, 7:49 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Calhoun, Carroll, Cass and 17 more56 min
Jul 20, 8:08 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Black Hawk, Bremer, Buchanan, Cedar and 38 more2 hr
Jul 20, 11:14 PM CDTMesoscale DiscussionSPCAppanoose, Benton, Cedar, Clinton, Davis, Delaware and 20 more2 hr
Jul 26, 3:08 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more3 hr
Jul 27, 10:44 AM CDTMesoscale DiscussionSPCClinton, Scott91 min
Jul 30, 2:06 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 11 more114 min
Jul 30, 6:22 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Buchanan, Cedar, Clayton and 22 more113 min
Jul 31, 10:28 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Boone, Bremer, Butler, Cerro Gordo and 15 more2 hr
Jul 31, 2:38 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 9 more2 hr
Jul 31, 5:07 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 12 more53 min
Jul 31, 8:19 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 11 more116 min
Jul 31, 11:14 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Boone, Bremer, Buchanan, Butler and 13 more2 hr
Aug 1, 10:59 AM CDTMesoscale DiscussionSPCDes Moines, Henry, Louisa, Muscatine2 hr
Aug 1, 5:49 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Lee, Louisa, Scott86 min
Aug 1, 7:14 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Clarke, Davis, Lucas and 6 more2 hr
Aug 18, 5:32 PM CDTMesoscale DiscussionSPCDickinson, Lyon, Osceola118 min
Aug 18, 6:19 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 18 more86 min
Aug 19, 1:08 PM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 32 more2 hr
Aug 19, 2:51 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Fremont and 10 more84 min
Aug 19, 6:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 30 more95 min
Aug 20, 2:15 PM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 45 more90 min
Aug 20, 6:09 PM CDTMesoscale DiscussionSPCAllamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 41 more2 hr
Aug 24, 3:09 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Dickinson, Emmet, Kossuth and 7 more3 hr
Aug 24, 8:16 PM CDTMesoscale DiscussionSPCClay, Dickinson, Emmet, Kossuth, Lyon, Mitchell and 5 more119 min
Aug 25, 7:03 PM CDTMesoscale DiscussionSPCBenton, Cedar, Davis, Des Moines, Henry, Iowa and 13 more87 min
Aug 25, 7:38 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Boone, Bremer, Buchanan, Butler and 28 more67 min
Aug 26, 2:19 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Des Moines, Henry and 11 more116 min
Aug 26, 4:45 PM CDTMesoscale DiscussionSPCDes Moines, Henry, Jefferson, Lee, Van Buren90 min
Aug 28, 3:03 PM CDTMesoscale DiscussionSPCAppanoose, Cedar, Clinton, Davis, Des Moines, Henry and 11 more117 min
Aug 28, 5:40 PM CDTMesoscale DiscussionSPCLee65 min
Sep 26, 12:21 PM CDTMesoscale DiscussionSPCLee114 min
Sep 26, 5:06 PM CDTMesoscale DiscussionSPCDes Moines, Lee84 min
Nov 17, 6:42 AM CSTMesoscale DiscussionSPCAdair, Adams, Boone, Clarke, Dallas, Decatur and 14 more3 hr
Nov 17, 3:07 PM CSTMesoscale DiscussionSPCAdams, Audubon, Cass, Fremont, Harrison, Mills and 5 more113 min
Nov 17, 5:42 PM CSTMesoscale DiscussionSPCMills93 min
Nov 22, 10:15 PM CSTMesoscale DiscussionSPCDickinson, Lyon, Osceola, Sioux5 hr
Dec 3, 2:26 AM CSTMesoscale DiscussionSPCBoone, Greene, Hamilton, Hardin, Jasper, Mahaska and 8 more3 hr
Dec 8, 5:11 PM CSTMesoscale DiscussionSPCO'Brien, Plymouth, Sioux5 hr
Dec 9, 10:26 AM CSTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 13 more5 hr
Dec 9, 3:41 PM CSTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Benton, Black Hawk and 61 more6 hr
Dec 9, 9:16 PM CSTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Jasper, Lucas, Madison and 10 more5 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. July 8, 200310mesoscale discussions
  2. June 24, 20039mesoscale discussions
  3. July 6, 20039mesoscale discussions
  4. July 7, 20038mesoscale discussions
  5. May 4, 20037mesoscale discussions
  6. June 10, 20037mesoscale discussions
  7. April 30, 20036mesoscale discussions
  8. June 25, 20036mesoscale discussions
  9. July 5, 20036mesoscale discussions
  10. July 4, 20035mesoscale discussions
  11. April 4, 20034mesoscale discussions
  12. April 19, 20034mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20022004

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.