Alert archive / Iowa / Mesoscale Discussions
Mesoscale Discussions in Iowa, 2024
175 mesoscale discussions in 2024. 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 2024. Tap one for its archive.
- Mesoscale Discussions
- 175
- Busiest month
- June40 mesoscale discussions
- Busiest day
- May 21, 202411 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 9, 9:12 AM CST | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Delaware, Des Moines and 26 more | 3 hr |
| Jan 9, 1:09 PM CST | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clayton, Clinton, Delaware and 12 more | 3 hr |
| Jan 12, 4:23 AM CST | Mesoscale Discussion | SPC | Cedar, Clinton, Dubuque, Jackson, Jones, Linn and 2 more | 4 hr |
| Jan 12, 10:24 AM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clayton, Clinton and 16 more | 4 hr |
| Jan 12, 2:29 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 61 more | 4 hr |
| Jan 22, 3:27 AM CST | Mesoscale Discussion | SPC | Lee | 5 hr |
| Feb 8, 2:53 PM CST | Mesoscale Discussion | SPC | Clinton, Jackson, Scott | 3 hr |
| Feb 27, 3:53 PM CST | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Crawford, Dickinson and 18 more | 3 hr |
| Mar 4, 1:25 PM CST | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 8 more | 2 hr |
| Mar 14, 2:30 AM CDT | Mesoscale Discussion | SPC | Lee | 90 min |
| Mar 22, 6:11 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Clayton and 9 more | 4 hr |
| Mar 24, 11:28 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 11 more | 2 hr |
| Mar 25, 2:44 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 14 more | 2 hr |
| Mar 29, 8:52 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Des Moines, Henry, Iowa and 16 more | 83 min |
| Mar 31, 10:58 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Wayne | 3 hr |
| Apr 7, 2:05 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 38 more | 2 hr |
| Apr 16, 6:00 AM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 2 hr |
| Apr 16, 8:50 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Cass and 37 more | 55 min |
| Apr 16, 11:04 AM CDT | Mesoscale Discussion | SPC | Henry, Jefferson, Lee, Van Buren | 2 hr |
| Apr 16, 11:43 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 13 more | 92 min |
| Apr 16, 1:56 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 34 more | 64 min |
| Apr 16, 2:03 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more | 87 min |
| Apr 16, 3:36 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 24 more | 54 min |
| Apr 16, 4:47 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Johnson and 6 more | 88 min |
| Apr 16, 6:12 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 16 more | 63 min |
| Apr 16, 7:32 PM CDT | Mesoscale Discussion | SPC | Clinton, Des Moines, Jackson, Scott | 88 min |
| Apr 26, 12:21 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie | 54 min |
| Apr 26, 1:04 PM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more | 86 min |
| Apr 26, 2:31 PM CDT | Mesoscale Discussion | SPC | Fremont, Harrison, Mills, Monona, Pottawattamie | 89 min |
| Apr 26, 5:36 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 14 more | 84 min |
| Apr 26, 7:27 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 16 more | 93 min |
| Apr 27, 3:40 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clarke, Clinton, Davis and 28 more | 95 min |
| Apr 27, 5:17 PM CDT | Mesoscale Discussion | SPC | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 17 more | 58 min |
| Apr 27, 7:11 PM CDT | Mesoscale Discussion | SPC | Cedar, Davis, Des Moines, Henry, Iowa, Jefferson and 8 more | 64 min |
| Apr 30, 1:05 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 23 more | 85 min |
| Apr 30, 2:29 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Butler, Calhoun, Cerro Gordo, Cherokee, Clay and 25 more | 2 hr |
| Apr 30, 3:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 29 more | 93 min |
| Apr 30, 6:54 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 31 more | 96 min |
| Apr 30, 7:55 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 7 more | 95 min |
| May 2, 2:38 AM CDT | Mesoscale Discussion | SPC | Fremont | 67 min |
| May 6, 3:07 PM CDT | Mesoscale Discussion | SPC | Fremont | 113 min |
| May 6, 6:18 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 13 more | 117 min |
| May 6, 8:06 PM CDT | Mesoscale Discussion | SPC | Fremont | 84 min |
| May 6, 9:16 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more | 119 min |
| May 6, 11:56 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Van Buren | 94 min |
| May 7, 5:24 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 5 more | 96 min |
| May 8, 2:17 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Carroll, Cherokee, Clay, Crawford, Dickinson and 13 more | 88 min |
| May 10, 6:32 PM CDT | Mesoscale Discussion | SPC | Allamakee | 58 min |
| May 19, 4:32 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Iowa, Johnson, Jones, Keokuk and 7 more | 118 min |
| May 19, 5:55 PM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Mills, Montgomery, Page and 3 more | 95 min |
| May 20, 5:54 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Crawford and 21 more | 2 hr |
| May 20, 9:23 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 20 more | 97 min |
| May 20, 10:01 PM CDT | Mesoscale Discussion | SPC | Audubon, Cass, Harrison, Mills, Montgomery, Pottawattamie and 1 more | 119 min |
| May 20, 11:34 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Chickasaw, Clay and 18 more | 86 min |
| May 21, 2:04 AM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Mills, Monona, Pottawattamie, Shelby and 1 more | 116 min |
| May 21, 5:51 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Cass and 32 more | 114 min |
| May 21, 9:29 AM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Delaware, Dubuque, Henry and 23 more | 91 min |
| May 21, 10:27 AM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Fremont, Harrison, Ida, Mills and 5 more | 2 hr |
| May 21, 12:32 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Appanoose, Audubon, Benton and 70 more | 118 min |
| May 21, 3:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Clarke, Dallas, Madison, Marion and 3 more | 85 min |
| May 21, 5:03 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Bremer, Buchanan, Butler and 29 more | 87 min |
| May 21, 5:09 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 11 more | 96 min |
| May 23, 10:38 PM CDT | Mesoscale Discussion | SPC | Audubon, Cherokee, Crawford, Fremont, Harrison, Ida and 7 more | 2 hr |
| May 24, 1:15 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 30 more | 2 hr |
| May 24, 3:54 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 40 more | 2 hr |
| May 24, 5:17 AM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Black Hawk, Boone, Bremer, Buchanan and 38 more | 118 min |
| May 27, 1:10 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 50 more | 95 min |
| May 27, 5:10 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Delaware, Des Moines, Dubuque and 15 more | 2 hr |
| May 28, 1:02 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Delaware, Dubuque, Jackson | 3 hr |
| Jun 2, 2:54 AM CDT | Mesoscale Discussion | SPC | Fremont | 96 min |
| Jun 3, 2:15 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 12 more | 2 hr |
| Jun 4, 12:24 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 1 more | 3 hr |
| Jun 4, 5:26 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 47 more | 94 min |
| Jun 12, 7:16 AM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 2 more | 89 min |
| Jun 12, 2:34 PM CDT | Mesoscale Discussion | SPC | Allamakee, Audubon, Boone, Bremer, Buena Vista, Butler and 41 more | 116 min |
| Jun 12, 6:17 PM CDT | Mesoscale Discussion | SPC | Harrison, Mills, Monona | 2 hr |
| Jun 12, 9:11 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Pottawattamie | 2 hr |
| Jun 13, 2:02 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Cedar, Clarke, Davis, Decatur and 22 more | 118 min |
| Jun 13, 5:18 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Van Buren | 87 min |
| Jun 15, 5:44 PM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Plymouth, Woodbury | 91 min |
| Jun 15, 6:58 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 15 more | 92 min |
| Jun 15, 7:47 PM CDT | Mesoscale Discussion | SPC | Monona, Woodbury | 88 min |
| Jun 15, 9:34 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more | 86 min |
| Jun 16, 1:47 AM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Crawford and 15 more | 88 min |
| Jun 16, 12:33 PM CDT | Mesoscale Discussion | SPC | Louisa, Scott | 117 min |
| Jun 16, 11:34 PM CDT | Mesoscale Discussion | SPC | Lyon | 86 min |
| Jun 17, 2:55 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 16 more | 95 min |
| Jun 17, 5:12 AM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Howard, Mitchell, Winnebago, Winneshiek, Worth | 2 hr |
| Jun 17, 2:34 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 11 more | 116 min |
| Jun 18, 12:54 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more | 2 hr |
| Jun 18, 3:40 PM CDT | Mesoscale Discussion | SPC | Cherokee, Harrison, Ida, Monona, Woodbury | 95 min |
| Jun 18, 5:51 PM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Ida, Monona, Pottawattamie, Sac and 2 more | 84 min |
| Jun 19, 3:58 PM CDT | Mesoscale Discussion | SPC | Clinton, Des Moines, Henry, Lee, Louisa, Muscatine and 2 more | 92 min |
| Jun 20, 11:37 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 83 min |
| Jun 21, 1:25 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 23 more | 2 hr |
| Jun 21, 4:58 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buena Vista, Cerro Gordo, Chickasaw, Clay, Dickinson and 16 more | 92 min |
| Jun 21, 6:18 PM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more | 87 min |
| Jun 21, 8:25 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more | 95 min |
| Jun 21, 10:38 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 14 more | 67 min |
| Jun 22, 12:56 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 24 more | 2 hr |
| Jun 22, 5:25 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Chickasaw and 8 more | 95 min |
| Jun 22, 5:46 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Jasper, Jefferson and 11 more | 119 min |
| Jun 24, 5:37 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 98 min |
| Jun 25, 8:01 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Louisa, Muscatine, Scott | 119 min |
| Jun 25, 4:54 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 41 more | 96 min |
| Jun 25, 7:09 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Cedar and 39 more | 66 min |
| Jun 25, 11:13 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Decatur, Fremont, Mills, Montgomery and 5 more | 62 min |
| Jun 28, 3:23 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 21 more | 3 hr |
| Jun 28, 8:08 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Boone, Cass, Clarke, Dallas and 15 more | 97 min |
| Jul 1, 6:43 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 8 more | 92 min |
| Jul 2, 2:24 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Clarke, Davis and 26 more | 2 hr |
| Jul 2, 5:13 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Davis, Des Moines, Henry, Jackson and 11 more | 92 min |
| Jul 2, 6:09 PM CDT | Mesoscale Discussion | SPC | Cedar, Muscatine, Scott | 66 min |
| Jul 4, 1:58 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 18 more | 2 hr |
| Jul 6, 5:00 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 60 min |
| Jul 6, 7:56 PM CDT | Mesoscale Discussion | SPC | Fremont | 64 min |
| Jul 10, 2:12 PM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Mills, Montgomery, Page and 4 more | 3 hr |
| Jul 10, 5:04 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Ringgold, Taylor and 1 more | 86 min |
| Jul 13, 5:14 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 3 more | 91 min |
| Jul 13, 10:00 PM CDT | Mesoscale Discussion | SPC | Clayton, Clinton, Delaware, Dubuque, Jackson | 60 min |
| Jul 14, 2:50 AM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek | 115 min |
| Jul 14, 3:58 AM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 2 hr |
| Jul 14, 3:15 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 45 more | 90 min |
| Jul 14, 7:51 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 25 more | 84 min |
| Jul 15, 1:59 PM CDT | Mesoscale Discussion | SPC | Adair, Appanoose, Benton, Black Hawk, Boone, Bremer and 55 more | 3 hr |
| Jul 15, 5:26 PM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clinton, Dallas and 30 more | 2 hr |
| Jul 15, 6:55 PM CDT | Mesoscale Discussion | SPC | Clinton, Louisa, Muscatine, Scott, Washington | 95 min |
| Jul 23, 12:56 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 32 more | 94 min |
| Jul 28, 3:49 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 14 more | 116 min |
| Jul 29, 12:39 AM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Monona, Plymouth, Woodbury | 2 hr |
| Jul 29, 7:56 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Harrison, Ida, Monona, Plymouth and 5 more | 2 hr |
| Jul 29, 11:41 PM CDT | Mesoscale Discussion | SPC | Audubon, Calhoun, Carroll, Cherokee, Crawford, Greene and 7 more | 2 hr |
| Jul 30, 1:45 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more | 60 min |
| Jul 30, 4:07 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 7 more | 83 min |
| Jul 30, 5:43 AM CDT | Mesoscale Discussion | SPC | Des Moines, Lee, Louisa | 92 min |
| Jul 30, 8:47 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 29 more | 88 min |
| Jul 30, 12:49 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Van Buren | 116 min |
| Jul 30, 3:36 PM CDT | Mesoscale Discussion | SPC | Davis, Henry, Jefferson, Lee, Mahaska, Monroe and 2 more | 84 min |
| Jul 30, 11:17 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 19 more | 118 min |
| Jul 31, 2:31 AM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Dallas, Davis, Des Moines, Guthrie and 16 more | 119 min |
| Jul 31, 5:30 AM CDT | Mesoscale Discussion | SPC | Des Moines, Lee | 2 hr |
| Jul 31, 11:01 AM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Lee, Van Buren | 89 min |
| Jul 31, 5:12 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 12 more | 2 hr |
| Jul 31, 6:04 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Crawford and 8 more | 56 min |
| Jul 31, 6:56 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola | 2 hr |
| Jul 31, 8:42 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Davis, Iowa, Jasper, Keokuk and 12 more | 93 min |
| Jul 31, 8:55 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buena Vista, Butler, Cerro Gordo, Cherokee and 24 more | 2 hr |
| Aug 3, 11:56 PM CDT | Mesoscale Discussion | SPC | Mitchell, Winnebago, Worth | 94 min |
| Aug 5, 2:06 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buena Vista, Butler, Cerro Gordo and 25 more | 114 min |
| Aug 5, 5:09 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 8 more | 66 min |
| Aug 5, 6:59 PM CDT | Mesoscale Discussion | SPC | Chickasaw, Floyd, Howard, Mitchell, Winneshiek, Worth | 61 min |
| Aug 5, 9:40 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Chickasaw, Clayton, Delaware and 5 more | 65 min |
| Aug 5, 11:25 PM CDT | Mesoscale Discussion | SPC | Clayton, Dubuque | 35 min |
| Aug 14, 3:57 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills | 3 hr |
| Aug 14, 7:09 PM CDT | Mesoscale Discussion | SPC | Fremont | 96 min |
| Aug 14, 9:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 115 min |
| Aug 15, 1:14 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Greene and 6 more | 2 hr |
| Aug 15, 3:03 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Des Moines, Henry and 16 more | 2 hr |
| Aug 15, 6:14 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 33 more | 91 min |
| Aug 15, 8:51 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Johnson, Keokuk, Lee and 5 more | 84 min |
| Aug 16, 1:53 PM CDT | Mesoscale Discussion | SPC | Jackson | 3 hr |
| Aug 26, 4:39 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 2 more | 96 min |
| Aug 26, 9:28 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 6 more | 92 min |
| Aug 27, 12:41 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 94 min |
| Aug 27, 3:46 AM CDT | Mesoscale Discussion | SPC | Buena Vista, Butler, Calhoun, Cerro Gordo, Chickasaw, Clay and 15 more | 59 min |
| Aug 27, 4:47 PM CDT | Mesoscale Discussion | SPC | Des Moines | 88 min |
| Aug 29, 2:35 PM CDT | Mesoscale Discussion | SPC | Crawford, Harrison, Ida, Monona, Woodbury | 115 min |
| Aug 29, 3:17 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Calhoun, Carroll, Cerro Gordo, Crawford and 17 more | 88 min |
| Sep 19, 1:26 PM CDT | Mesoscale Discussion | SPC | Emmet, Hancock, Kossuth, Winnebago, Worth | 2 hr |
| Oct 4, 2:11 AM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Des Moines, Henry, Iowa and 17 more | 2 hr |
| Oct 24, 5:22 PM CDT | Mesoscale Discussion | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 72 more | 2 hr |
| Oct 30, 1:05 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Boone, Cass, Clarke and 32 more | 115 min |
| Oct 30, 3:05 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Davis, Decatur, Grundy, Jasper and 16 more | 115 min |
| Dec 13, 11:41 PM CST | Mesoscale Discussion | SPC | Appanoose, Davis, Jefferson, Keokuk, Mahaska, Marion and 4 more | 4 hr |
| Dec 14, 4:58 AM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 26 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County44
- Warren County44
- Henry County42
- Marion County42
- Guthrie County42
- Jefferson County41
- Keokuk County41
- Mahaska County40
- Van Buren County40
- Wapello County40
- Washington County40
- Audubon County40
- Union County40
- Louisa County39
- Lucas County39
- Poweshiek County39
- Davis County38
- Lee County38
- Monroe County38
- Dallas County38
- Harrison County38
- Fremont County38
- Clarke County37
- Des Moines County36
- Jasper County36
- Muscatine County36
- Adams County36
- Carroll County36
- Shelby County36
- Mills County36
- Iowa County35
- Johnson County35
- Adair County35
- Appanoose County35
- Crawford County35
- Greene County35
- Wayne County35
- Ringgold County35
- Cass County34
- Decatur County34
59 more counties
- Pocahontas County34
- Scott County33
- Boone County33
- Calhoun County33
- Humboldt County33
- Madison County33
- Cherokee County33
- Ida County33
- Monona County33
- Plymouth County33
- Pottawattamie County33
- Cedar County32
- Clinton County32
- Buena Vista County32
- Taylor County32
- Jackson County31
- Linn County31
- Tama County31
- Story County31
- O'Brien County31
- Woodbury County31
- Jones County30
- Sac County30
- Benton County29
- Wright County29
- Clay County29
- Montgomery County29
- Delaware County28
- Cerro Gordo County28
- Chickasaw County28
- Mitchell County28
- Worth County28
- Marshall County27
- Clayton County27
- Bremer County27
- Floyd County27
- Hancock County27
- Dickinson County27
- Emmet County27
- Osceola County27
- Palo Alto County27
- Sioux County27
- Page County27
- Franklin County26
- Howard County26
- Kossuth County26
- Dubuque County25
- Black Hawk County25
- Winneshiek County25
- Winnebago County25
- Buchanan County24
- Butler County24
- Fayette County24
- Grundy County24
- Allamakee County23
- Hardin County23
- Lyon County23
- Hamilton County22
- Webster County22
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.