Alert archive / Iowa / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Iowa, 1989
229 severe thunderstorm warnings in 1989. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 229
- Busiest month
- May66 severe thunderstorm warnings
- Busiest day
- August 5, 198939 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Mar 17, 10:27 AM CST | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 33 min |
| Apr 22, 6:26 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story | 49 min |
| Apr 22, 9:05 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Winnebago | 25 min |
| Apr 22, 9:41 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 34 min |
| Apr 22, 10:28 AM CDT | Severe Thunderstorm Warning | DMX | Wright | 30 min |
| Apr 22, 10:52 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 38 min |
| Apr 22, 11:30 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 30 min |
| Apr 22, 12:00 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 30 min |
| Apr 22, 1:29 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 31 min |
| Apr 22, 1:29 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 16 min |
| Apr 22, 2:00 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 25 min |
| Apr 22, 2:13 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 57 min |
| Apr 24, 9:27 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 63 min |
| Apr 24, 9:57 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 63 min |
| Apr 24, 11:03 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 42 min |
| Apr 24, 11:48 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 32 min |
| Apr 24, 2:33 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 42 min |
| Apr 24, 2:51 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 54 min |
| Apr 24, 11:21 PM CDT | Severe Thunderstorm Warning | DVN | Allamakee, Clayton | 54 min |
| Apr 26, 11:19 AM CDT | Severe Thunderstorm Warning | DMX | Dickinson, Emmet | 41 min |
| Apr 26, 12:06 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth | 54 min |
| Apr 26, 12:32 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 28 min |
| Apr 26, 1:05 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 40 min |
| Apr 26, 2:51 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 39 min |
| Apr 26, 2:54 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Buchanan | 51 min |
| Apr 26, 4:06 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Linn | 39 min |
| Apr 26, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 65 min |
| Apr 26, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Johnson, Linn | 45 min |
| Apr 26, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| Apr 26, 4:53 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 37 min |
| Apr 26, 5:20 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk | 55 min |
| Apr 26, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Muscatine, Scott | 60 min |
| Apr 26, 5:32 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 43 min |
| Apr 26, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 30 min |
| Apr 26, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 30 min |
| Apr 26, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 50 min |
| Apr 26, 6:23 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 67 min |
| Apr 26, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 21 min |
| Apr 26, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Wapello | 67 min |
| Apr 26, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Van Buren | 28 min |
| Apr 26, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Lee | 22 min |
| Apr 26, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 62 min |
| Apr 26, 7:48 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 27 min |
| Apr 27, 7:53 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 52 min |
| Apr 27, 7:53 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson | 36 min |
| Apr 27, 7:22 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 68 min |
| Apr 27, 7:52 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 68 min |
| Apr 27, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 37 min |
| Apr 27, 8:58 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 62 min |
| Apr 27, 9:00 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 60 min |
| Apr 27, 9:42 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 63 min |
| Apr 27, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Cass | 40 min |
| Apr 27, 10:05 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor, Union | 40 min |
| Apr 27, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison | 42 min |
| Apr 27, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 42 min |
| Apr 27, 11:05 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk, Warren | 40 min |
| Apr 27, 11:26 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 49 min |
| Apr 27, 11:42 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 48 min |
| Apr 28, 12:01 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 44 min |
| Apr 28, 12:01 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 44 min |
| Apr 28, 12:01 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 44 min |
| Apr 28, 12:16 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 44 min |
| May 4, 8:31 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 29 min |
| May 8, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 36 min |
| May 8, 11:30 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 30 min |
| May 9, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Van Buren | 43 min |
| May 9, 12:39 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 51 min |
| May 23, 1:28 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 47 min |
| May 23, 7:27 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 48 min |
| May 23, 7:27 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 48 min |
| May 23, 8:21 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 69 min |
| May 23, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 38 min |
| May 23, 8:34 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 41 min |
| May 23, 8:37 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 38 min |
| May 23, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 41 min |
| May 23, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 61 min |
| May 23, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Palo Alto, Pocahontas | 60 min |
| May 23, 10:25 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Calhoun, Pocahontas, Sac | 80 min |
| May 23, 11:20 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 70 min |
| May 23, 11:29 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 46 min |
| May 23, 11:34 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 56 min |
| May 23, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 40 min |
| May 24, 12:17 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 58 min |
| May 24, 12:32 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 28 min |
| May 24, 12:34 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 56 min |
| May 24, 12:37 AM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 53 min |
| May 24, 12:56 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 34 min |
| May 24, 1:35 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 40 min |
| May 24, 1:51 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 39 min |
| May 24, 2:04 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 26 min |
| May 24, 2:15 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 30 min |
| May 24, 2:30 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 45 min |
| May 24, 2:33 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison, Polk, Warren | 57 min |
| May 24, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Keokuk, Wapello | 29 min |
| May 24, 3:49 AM CDT | Severe Thunderstorm Warning | DMX | Buchanan, Fayette | 56 min |
| May 24, 4:04 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 56 min |
| May 24, 4:36 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 69 min |
| May 24, 4:52 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 53 min |
| May 24, 5:33 AM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 57 min |
| May 24, 5:18 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 27 min |
| May 24, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 50 min |
| May 24, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 50 min |
| May 24, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 58 min |
| May 24, 7:49 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 26 min |
| May 24, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 50 min |
| May 24, 8:30 PM CDT | Severe Thunderstorm Warning | DMX | Floyd, Howard | 60 min |
| May 24, 8:31 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 59 min |
| May 24, 9:07 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 68 min |
| May 24, 9:12 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 23 min |
| May 24, 9:12 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 63 min |
| May 24, 9:24 PM CDT | Severe Thunderstorm Warning | DMX | Johnson, Linn | 66 min |
| May 24, 9:48 PM CDT | Severe Thunderstorm Warning | DMX | Iowa | 27 min |
| May 24, 10:09 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 66 min |
| May 24, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Washington | 46 min |
| May 24, 10:28 PM CDT | Severe Thunderstorm Warning | DMX | Johnson | 32 min |
| May 28, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 59 min |
| May 28, 11:24 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 66 min |
| May 29, 3:17 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 58 min |
| May 30, 6:49 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 41 min |
| May 30, 7:01 AM CDT | Severe Thunderstorm Warning | DMX | Bremer, Chickasaw, Fayette | 44 min |
| May 30, 7:44 AM CDT | Severe Thunderstorm Warning | DVN | Clayton | 61 min |
| May 30, 8:18 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 57 min |
| May 30, 8:44 AM CDT | Severe Thunderstorm Warning | DVN | Clayton | 61 min |
| May 30, 9:55 AM CDT | Severe Thunderstorm Warning | DVN | Clayton | 65 min |
| May 30, 10:18 AM CDT | Severe Thunderstorm Warning | DMX | Howard | 32 min |
| May 30, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 40 min |
| May 30, 7:10 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 65 min |
| May 30, 7:30 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 45 min |
| Jun 2, 10:54 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 66 min |
| Jun 7, 7:06 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 54 min |
| Jun 7, 7:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 57 min |
| Jun 12, 4:59 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 46 min |
| Jun 20, 11:38 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 52 min |
| Jun 21, 12:20 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 25 min |
| Jun 22, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 23 min |
| Jun 25, 1:56 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 49 min |
| Jun 25, 3:00 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 45 min |
| Jun 26, 2:56 PM CDT | Severe Thunderstorm Warning | DMX | Keokuk, Mahaska | 49 min |
| Jun 26, 3:25 PM CDT | Severe Thunderstorm Warning | DMX | Keokuk | 50 min |
| Jun 26, 3:27 PM CDT | Severe Thunderstorm Warning | DMX | Keokuk | 48 min |
| Jun 26, 4:53 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 37 min |
| Jun 26, 5:12 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 33 min |
| Jul 4, 1:43 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 32 min |
| Jul 4, 1:43 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 32 min |
| Jul 10, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 51 min |
| Jul 10, 8:06 PM CDT | Severe Thunderstorm Warning | DMX | Story | 54 min |
| Jul 10, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 51 min |
| Jul 11, 1:36 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 69 min |
| Jul 11, 2:12 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 48 min |
| Jul 17, 9:54 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 66 min |
| Jul 17, 10:28 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 35 min |
| Jul 17, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Webster | 35 min |
| Jul 18, 12:22 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 53 min |
| Jul 18, 1:00 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 25 min |
| Jul 18, 1:54 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 21 min |
| Jul 18, 2:41 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 24 min |
| Jul 18, 4:03 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 27 min |
| Jul 18, 4:16 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 29 min |
| Jul 18, 4:31 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Scott | 29 min |
| Jul 18, 4:45 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson | 25 min |
| Aug 4, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 43 min |
| Aug 4, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Clayton, Delaware | 68 min |
| Aug 4, 6:32 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 28 min |
| Aug 4, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 57 min |
| Aug 4, 7:33 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 27 min |
| Aug 4, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 48 min |
| Aug 4, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Chickasaw | 51 min |
| Aug 4, 9:10 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 65 min |
| Aug 4, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 50 min |
| Aug 4, 9:44 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 56 min |
| Aug 4, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 54 min |
| Aug 4, 11:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 34 min |
| Aug 4, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 34 min |
| Aug 5, 4:20 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 25 min |
| Aug 5, 4:49 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 56 min |
| Aug 5, 4:49 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 26 min |
| Aug 5, 6:45 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 60 min |
| Aug 5, 6:45 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 60 min |
| Aug 5, 6:55 AM CDT | Severe Thunderstorm Warning | FSD | Monona | 65 min |
| Aug 5, 7:04 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 41 min |
| Aug 5, 7:26 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 59 min |
| Aug 5, 7:35 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 55 min |
| Aug 5, 7:36 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 49 min |
| Aug 5, 8:00 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 45 min |
| Aug 5, 8:09 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 51 min |
| Aug 5, 8:21 AM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 39 min |
| Aug 5, 8:41 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 44 min |
| Aug 5, 8:55 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 50 min |
| Aug 5, 8:55 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 50 min |
| Aug 5, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 40 min |
| Aug 5, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 40 min |
| Aug 5, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 54 min |
| Aug 5, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 33 min |
| Aug 5, 10:22 AM CDT | Severe Thunderstorm Warning | DMX | Benton, Iowa | 68 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Keokuk | 55 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Johnson, Linn | 43 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Washington | 43 min |
| Aug 5, 11:07 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 68 min |
| Aug 5, 11:09 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 66 min |
| Aug 5, 11:43 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 32 min |
| Aug 5, 11:44 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 46 min |
| Aug 5, 11:44 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 46 min |
| Aug 13, 3:07 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 53 min |
| Aug 13, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 25 min |
| Aug 13, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 38 min |
| Aug 21, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Aug 22, 6:54 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 36 min |
| Aug 22, 6:59 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 61 min |
| Aug 22, 7:53 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Aug 22, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 30 min |
| Aug 26, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 60 min |
| Aug 26, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 48 min |
| Aug 26, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 37 min |
| Aug 26, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 42 min |
| Aug 26, 9:06 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 54 min |
| Aug 26, 9:26 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 49 min |
| Aug 26, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 45 min |
| Aug 26, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 30 min |
| Aug 31, 8:53 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Van Buren, Wapello | 42 min |
| Sep 3, 2:04 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 26 min |
| Sep 4, 2:15 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 60 min |
| Sep 4, 3:14 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 61 min |
| Sep 4, 3:14 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 46 min |
| Sep 7, 9:29 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 46 min |
| Sep 7, 10:40 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 50 min |
| Sep 7, 11:31 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 44 min |
| Sep 8, 7:21 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 54 min |
| Oct 15, 7:31 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 44 min |
| Oct 15, 7:59 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 31 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jasper County10
- Guthrie County8
- Carroll County8
- Dallas County8
- Muscatine County7
- Marion County7
- Greene County7
- Madison County7
- Pottawattamie County7
- Kossuth County6
- Marshall County6
- Clayton County6
- Polk County6
- Mahaska County6
- Wapello County6
- Mills County6
- Delaware County6
- Boone County5
- Story County5
- Webster County5
- Clay County5
- Scott County5
- Warren County5
- Harrison County5
- Poweshiek County5
- Davis County5
- Lyon County5
- Sioux County5
- Keokuk County5
- Buchanan County4
- Linn County4
- Jones County4
- Johnson County4
- Audubon County4
- Cedar County4
- Clinton County4
- Jefferson County4
- Henry County4
- Montgomery County4
- Cass County4
56 more counties
- Pocahontas County4
- Fayette County4
- Dubuque County4
- Hamilton County3
- Wright County3
- Hardin County3
- Cherokee County3
- Dickinson County3
- Van Buren County3
- Fremont County3
- Adams County3
- Ringgold County3
- Lucas County3
- Monroe County3
- Appanoose County3
- Calhoun County3
- Osceola County3
- Crawford County3
- Ida County3
- Jackson County3
- Shelby County3
- Bremer County3
- Louisa County2
- Winnebago County2
- Humboldt County2
- Grundy County2
- O'Brien County2
- Emmet County2
- Benton County2
- Lee County2
- Des Moines County2
- Page County2
- Adair County2
- Union County2
- Clarke County2
- Decatur County2
- Buena Vista County2
- Sac County2
- Howard County2
- Iowa County2
- Washington County2
- Woodbury County2
- Chickasaw County2
- Plymouth County2
- Allamakee County1
- Hancock County1
- Black Hawk County1
- Taylor County1
- Palo Alto County1
- Mitchell County1
- Floyd County1
- Wayne County1
- Franklin County1
- Winneshiek County1
- Monona County1
- Tama County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19881990
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.