Alert archive / Iowa / Mesoscale Discussions
Mesoscale Discussions in Iowa, 2015
167 mesoscale discussions in 2015. 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 2015. Tap one for its archive.
- Mesoscale Discussions
- 167
- Busiest month
- June39 mesoscale discussions
- Busiest day
- July 13, 20157 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 5, 12:25 PM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 60 more | 6 hr |
| Jan 5, 6:29 PM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Buchanan, Cedar, Clinton, Delaware and 15 more | 5 hr |
| Jan 31, 10:13 PM CST | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clarke, Clinton, Davis and 28 more | 6 hr |
| Feb 4, 7:34 AM CST | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Des Moines and 15 more | 4 hr |
| Mar 23, 12:47 AM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Delaware, Dubuque, Fayette and 3 more | 4 hr |
| Apr 1, 3:50 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more | 115 min |
| Apr 1, 8:25 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 11 more | 95 min |
| Apr 1, 11:36 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page | 54 min |
| Apr 8, 9:33 AM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Lucas, Ringgold, Union and 1 more | 57 min |
| Apr 9, 12:29 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 19 more | 91 min |
| Apr 9, 3:12 PM CDT | Mesoscale Discussion | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Des Moines and 19 more | 93 min |
| Apr 9, 6:04 PM CDT | Mesoscale Discussion | SPC | Clinton, Scott | 86 min |
| Apr 12, 5:42 PM CDT | Mesoscale Discussion | SPC | Plymouth, Woodbury | 63 min |
| May 3, 3:41 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 11 more | 2 hr |
| May 3, 3:57 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Cherokee and 14 more | 2 hr |
| May 3, 7:32 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Bremer, Butler, Calhoun, Carroll and 22 more | 58 min |
| May 4, 2:56 PM CDT | Mesoscale Discussion | SPC | Adams, Fremont, Montgomery, Page, Taylor | 2 hr |
| May 4, 6:30 PM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Page, Ringgold, Taylor | 90 min |
| May 6, 7:40 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page | 65 min |
| May 10, 10:24 AM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more | 3 hr |
| May 10, 11:52 AM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Page, Ringgold, Taylor | 2 hr |
| May 10, 2:43 PM CDT | Mesoscale Discussion | SPC | Adams, Audubon, Buena Vista, Cass, Cherokee, Crawford and 11 more | 92 min |
| May 10, 3:13 PM CDT | Mesoscale Discussion | SPC | Page | 92 min |
| May 10, 5:17 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more | 88 min |
| May 10, 9:19 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Dallas, Davis, Decatur, Lucas and 9 more | 56 min |
| May 15, 2:13 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Davis, Decatur, Page, Ringgold and 2 more | 2 hr |
| May 16, 2:10 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 95 min |
| May 16, 3:34 PM CDT | Mesoscale Discussion | SPC | Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 5 more | 86 min |
| May 17, 12:51 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Clay, Crawford, Dickinson and 17 more | 114 min |
| May 24, 3:34 PM CDT | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Davis, Des Moines, Henry and 17 more | 56 min |
| May 24, 6:41 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Henry, Jackson, Lee and 3 more | 94 min |
| May 25, 5:08 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 18 more | 67 min |
| May 25, 6:06 PM CDT | Mesoscale Discussion | SPC | Allamakee, Buena Vista, Cerro Gordo, Cherokee, Chickasaw, Clay and 17 more | 114 min |
| May 25, 8:18 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 28 more | 87 min |
| Jun 4, 1:56 AM CDT | Mesoscale Discussion | SPC | Fremont | 94 min |
| Jun 6, 2:32 PM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, Monona, Plymouth, Sioux, Woodbury | 88 min |
| Jun 6, 6:34 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 116 min |
| Jun 6, 8:11 PM CDT | Mesoscale Discussion | SPC | Cherokee, Ida, Lyon, Monona, O'Brien, Osceola and 3 more | 64 min |
| Jun 6, 11:00 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 14 more | 2 hr |
| Jun 7, 1:56 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Benton, Black Hawk, Bremer, Buchanan and 29 more | 2 hr |
| Jun 7, 1:52 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 9 more | 53 min |
| Jun 7, 6:21 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Lee, Van Buren | 84 min |
| Jun 9, 7:59 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Sioux | 91 min |
| Jun 10, 3:13 PM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 9 more | 92 min |
| Jun 10, 3:51 PM CDT | Mesoscale Discussion | SPC | Des Moines | 114 min |
| Jun 11, 1:01 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more | 119 min |
| Jun 11, 5:48 PM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Page, Ringgold, Taylor, Wayne | 87 min |
| Jun 11, 8:13 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 92 min |
| Jun 11, 10:30 PM CDT | Mesoscale Discussion | SPC | Lee, Van Buren | 90 min |
| Jun 13, 2:42 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee | 2 hr |
| Jun 17, 1:28 PM CDT | Mesoscale Discussion | SPC | Boone, Butler, Calhoun, Cerro Gordo, Chickasaw, Floyd and 16 more | 2 hr |
| Jun 20, 2:52 AM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Lyon, Osceola | 53 min |
| Jun 20, 5:11 AM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Clay, Emmet, Floyd, Hancock, Humboldt and 5 more | 64 min |
| Jun 20, 12:48 PM CDT | Mesoscale Discussion | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 50 more | 117 min |
| Jun 20, 3:10 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Cass, Cedar and 37 more | 2 hr |
| Jun 20, 6:33 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Davis, Decatur and 26 more | 57 min |
| Jun 20, 10:12 PM CDT | Mesoscale Discussion | SPC | Appanoose, Boone, Clarke, Dallas, Davis, Decatur and 26 more | 63 min |
| Jun 21, 6:44 PM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Page, Ringgold, Taylor and 1 more | 91 min |
| Jun 22, 3:10 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 16 more | 95 min |
| Jun 22, 4:53 AM CDT | Mesoscale Discussion | SPC | Allamakee, Cerro Gordo, Chickasaw, Clay, Clayton, Dickinson and 15 more | 2 hr |
| Jun 22, 7:42 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 36 more | 93 min |
| Jun 22, 1:22 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Boone and 42 more | 113 min |
| Jun 22, 6:08 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Davis, Des Moines, Henry, Iowa and 17 more | 67 min |
| Jun 22, 8:16 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Davis, Des Moines, Henry, Iowa and 17 more | 59 min |
| Jun 24, 12:39 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 38 more | 66 min |
| Jun 24, 10:19 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Clarke and 16 more | 116 min |
| Jun 24, 2:23 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Decatur and 13 more | 2 hr |
| Jun 24, 5:58 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Carroll, Clarke, Crawford and 11 more | 2 hr |
| Jun 24, 7:49 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more | 116 min |
| Jun 24, 10:00 PM CDT | Mesoscale Discussion | SPC | Appanoose, Carroll, Clarke, Dallas, Davis, Guthrie and 7 more | 2 hr |
| Jun 24, 11:23 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Van Buren | 2 hr |
| Jun 28, 1:36 PM CDT | Mesoscale Discussion | SPC | Lee, Van Buren | 114 min |
| Jun 29, 7:25 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Mitchell and 1 more | 65 min |
| Jul 5, 3:46 PM CDT | Mesoscale Discussion | SPC | Lyon, Plymouth, Sioux | 119 min |
| Jul 5, 7:24 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 2 hr |
| Jul 5, 9:57 PM CDT | Mesoscale Discussion | SPC | Lyon | 2 hr |
| Jul 6, 1:01 AM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 29 min |
| Jul 12, 3:53 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Emmet, Lyon, O'Brien, Osceola and 1 more | 82 min |
| Jul 12, 7:51 PM CDT | Mesoscale Discussion | SPC | Dickinson, Emmet, Kossuth, Winnebago | 114 min |
| Jul 12, 9:03 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Howard, Winneshiek | 117 min |
| Jul 12, 9:41 PM CDT | Mesoscale Discussion | SPC | Bremer, Butler, Cerro Gordo, Chickasaw, Floyd, Hancock and 4 more | 94 min |
| Jul 12, 11:55 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 7 more | 95 min |
| Jul 13, 2:00 AM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette, Winneshiek | 2 hr |
| Jul 13, 3:21 PM CDT | Mesoscale Discussion | SPC | Clinton | 84 min |
| Jul 13, 6:59 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 4 more | 91 min |
| Jul 15, 9:22 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 9 more | 113 min |
| Jul 16, 3:41 PM CDT | Mesoscale Discussion | SPC | Appanoose, Cedar, Davis, Des Moines, Henry, Iowa and 15 more | 2 hr |
| Jul 16, 6:44 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Cass, Crawford, Harrison, Ida and 6 more | 3 hr |
| Jul 16, 7:58 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Lee, Louisa, Van Buren | 92 min |
| Jul 17, 8:57 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 15 more | 3 hr |
| Jul 17, 11:26 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 12 more | 2 hr |
| Jul 18, 2:05 AM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Winneshiek, Worth | 85 min |
| Jul 18, 3:06 AM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 84 min |
| Jul 18, 12:31 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Buchanan, Cedar, Clayton and 21 more | 119 min |
| Jul 18, 8:30 PM CDT | Mesoscale Discussion | SPC | Fremont, Page, Ringgold, Taylor | 60 min |
| Jul 24, 5:28 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 19 more | 3 hr |
| Jul 24, 6:47 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Calhoun, Carroll, Cass, Crawford and 13 more | 88 min |
| Jul 25, 12:33 AM CDT | Mesoscale Discussion | SPC | Adams, Decatur, Fremont, Mills, Montgomery, Page and 4 more | 2 hr |
| Jul 25, 4:52 PM CDT | Mesoscale Discussion | SPC | Louisa | 2 hr |
| Jul 25, 6:13 PM CDT | Mesoscale Discussion | SPC | Lyon, Osceola | 3 hr |
| Jul 25, 10:54 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Humboldt and 8 more | 2 hr |
| Jul 26, 1:13 AM CDT | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buena Vista, Butler and 40 more | 3 hr |
| Jul 27, 12:40 PM CDT | Mesoscale Discussion | SPC | Dallas, Iowa, Jasper, Jefferson, Keokuk, Madison and 7 more | 3 hr |
| Jul 28, 1:57 AM CDT | Mesoscale Discussion | SPC | Lyon, Sioux | 2 hr |
| Jul 28, 3:37 AM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux | 2 hr |
| Jul 28, 3:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 25 more | 2 hr |
| Jul 28, 8:04 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 29 more | 116 min |
| Jul 28, 10:46 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more | 89 min |
| Aug 2, 4:48 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 25 more | 2 hr |
| Aug 2, 6:22 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 25 more | 53 min |
| Aug 3, 11:44 AM CDT | Mesoscale Discussion | SPC | Decatur, Fremont, Mills, Montgomery, Page, Ringgold and 1 more | 2 hr |
| Aug 6, 6:06 PM CDT | Mesoscale Discussion | SPC | Lyon | 114 min |
| Aug 8, 8:36 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Decatur, Fremont and 7 more | 114 min |
| Aug 8, 11:11 PM CDT | Mesoscale Discussion | SPC | Adams, Clarke, Decatur, Fremont, Montgomery, Page and 3 more | 94 min |
| Aug 9, 1:37 AM CDT | Mesoscale Discussion | SPC | Adams, Appanoose, Cass, Clarke, Davis, Decatur and 8 more | 83 min |
| Aug 9, 1:05 PM CDT | Mesoscale Discussion | SPC | Cherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more | 115 min |
| Aug 9, 4:03 PM CDT | Mesoscale Discussion | SPC | Cherokee, Ida, Lyon, O'Brien, Osceola, Plymouth and 2 more | 117 min |
| Aug 9, 7:15 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Crawford, Dickinson and 15 more | 2 hr |
| Aug 9, 9:33 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Crawford, Harrison and 7 more | 27 min |
| Aug 13, 2:24 PM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 2 hr |
| Aug 16, 4:01 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 14 more | 119 min |
| Aug 18, 12:49 PM CDT | Mesoscale Discussion | SPC | Cedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 7 more | 116 min |
| Aug 18, 3:53 PM CDT | Mesoscale Discussion | SPC | Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 2 more | 2 hr |
| Aug 22, 2:13 PM CDT | Mesoscale Discussion | SPC | Audubon, Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo and 33 more | 62 min |
| Aug 22, 2:55 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 19 more | 65 min |
| Aug 22, 5:52 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Clay, Emmet, Franklin, Hamilton and 10 more | 83 min |
| Aug 22, 6:12 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more | 63 min |
| Aug 22, 6:21 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Carroll, Cass, Clarke and 15 more | 84 min |
| Aug 22, 8:06 PM CDT | Mesoscale Discussion | SPC | Cerro Gordo, Floyd, Franklin, Hancock, Howard, Mitchell and 3 more | 84 min |
| Aug 22, 8:49 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Cass, Clarke, Dallas, Decatur and 12 more | 116 min |
| Sep 6, 2:31 PM CDT | Mesoscale Discussion | SPC | Dickinson, Lyon, O'Brien, Osceola, Sioux | 119 min |
| Sep 6, 5:12 PM CDT | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Howard, Winneshiek | 2 hr |
| Sep 6, 5:26 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 28 more | 94 min |
| Sep 6, 8:42 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 44 more | 93 min |
| Sep 6, 11:41 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 38 more | 64 min |
| Sep 7, 2:18 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 87 min |
| Sep 7, 8:38 PM CDT | Mesoscale Discussion | SPC | Fremont | 67 min |
| Sep 9, 5:10 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Sioux | 2 hr |
| Sep 10, 8:22 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Lee and 4 more | 113 min |
| Sep 17, 3:58 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cerro Gordo, Chickasaw, Clay, Dickinson and 14 more | 2 hr |
| Sep 17, 5:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Clarke, Dallas, Decatur, Fremont and 9 more | 118 min |
| Sep 17, 7:54 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren | 66 min |
| Sep 17, 10:12 PM CDT | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Lucas, Monroe, Ringgold and 1 more | 63 min |
| Sep 18, 9:25 AM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 4 more | 65 min |
| Sep 18, 5:20 PM CDT | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Lee, Van Buren | 2 hr |
| Sep 22, 1:06 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Carroll, Cass, Crawford, Dallas and 6 more | 84 min |
| Oct 23, 6:13 PM CDT | Mesoscale Discussion | SPC | Audubon, Buena Vista, Carroll, Cass, Cherokee, Clay and 14 more | 92 min |
| Nov 5, 3:17 PM CST | Mesoscale Discussion | SPC | Adams, Appanoose, Cedar, Clarke, Davis, Decatur and 25 more | 118 min |
| Nov 11, 10:17 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 54 more | 118 min |
| Nov 11, 12:38 PM CST | Mesoscale Discussion | SPC | Crawford, Harrison | 67 min |
| Nov 11, 1:42 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 24 more | 93 min |
| Nov 11, 2:24 PM CST | Mesoscale Discussion | SPC | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 10 more | 2 hr |
| Nov 11, 4:59 PM CST | Mesoscale Discussion | SPC | Allamakee, Clayton | 91 min |
| Nov 20, 9:00 AM CST | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 18 more | 5 hr |
| Nov 20, 1:51 PM CST | Mesoscale Discussion | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 46 more | 5 hr |
| Nov 20, 7:33 PM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Butler and 23 more | 4 hr |
| Nov 26, 7:04 AM CST | Mesoscale Discussion | SPC | Carroll, Crawford, Harrison, Ida, Monona, Sac and 1 more | 5 hr |
| Nov 26, 7:18 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Cass, Fremont, Montgomery, Page and 2 more | 6 hr |
| Nov 30, 6:44 AM CST | Mesoscale Discussion | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 13 more | 5 hr |
| Nov 30, 12:03 PM CST | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more | 6 hr |
| Dec 12, 5:42 PM CST | Mesoscale Discussion | SPC | Fremont, Page | 2 hr |
| Dec 23, 12:42 PM CST | Mesoscale Discussion | SPC | Davis, Des Moines, Henry, Jefferson, Keokuk, Lee and 5 more | 2 hr |
| Dec 23, 3:24 PM CST | Mesoscale Discussion | SPC | Appanoose, Cedar, Clinton, Davis, Des Moines, Henry and 13 more | 96 min |
| Dec 28, 3:35 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Benton, Black Hawk, Boone and 32 more | 6 hr |
| Dec 28, 5:26 AM CST | Mesoscale Discussion | SPC | Clinton, Louisa, Muscatine, Scott | 4 hr |
| Dec 28, 12:13 PM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 12 more | 5 hr |
| Dec 28, 3:42 PM CST | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Boone, Butler, Calhoun and 32 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Page County46
- Fremont County42
- Ringgold County42
- Taylor County41
- Adams County40
- Montgomery County39
- Union County38
- Henry County37
- Clarke County37
- Decatur County37
- Dallas County36
- Des Moines County36
- Van Buren County36
- Lyon County34
- Lee County34
- Cass County34
- Ida County33
- Jefferson County33
- Mahaska County33
- Appanoose County33
- Davis County33
- Crawford County33
- Carroll County32
- Marion County32
- Osceola County32
- Plymouth County32
- Polk County32
- Sioux County32
- Lucas County32
- Warren County32
- Wayne County32
- Monona County32
- Louisa County31
- Sac County31
- Wapello County31
- Mills County31
- Guthrie County31
- Madison County31
- O'Brien County30
- Monroe County30
59 more counties
- Shelby County30
- Audubon County30
- Adair County30
- Keokuk County29
- Iowa County28
- Jasper County28
- Washington County28
- Woodbury County28
- Buena Vista County27
- Johnson County27
- Poweshiek County27
- Calhoun County26
- Cherokee County26
- Story County26
- Clay County25
- Dickinson County25
- Greene County25
- Muscatine County25
- Pocahontas County25
- Harrison County25
- Pottawattamie County25
- Boone County24
- Cedar County24
- Scott County24
- Hancock County23
- Humboldt County23
- Palo Alto County23
- Cerro Gordo County22
- Chickasaw County22
- Clinton County22
- Floyd County22
- Benton County21
- Kossuth County21
- Marshall County21
- Tama County21
- Winnebago County21
- Emmet County20
- Linn County20
- Worth County20
- Howard County20
- Hamilton County19
- Hardin County19
- Jones County19
- Mitchell County19
- Webster County19
- Wright County19
- Butler County18
- Franklin County18
- Winneshiek County18
- Fayette County17
- Grundy County17
- Jackson County17
- Black Hawk County16
- Bremer County16
- Allamakee County16
- Clayton County15
- Buchanan County13
- Delaware County11
- Dubuque County10
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.