Alert archive / Iowa / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Iowa, 2002
564 severe thunderstorm warnings in 2002. 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 2002. Tap one for its archive.
- Severe Thunderstorm Warnings
- 564
- Busiest month
- August109 severe thunderstorm warnings
- Busiest day
- April 18, 200253 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 7, 10:51 PM CST | Severe Thunderstorm Warning | OAX | Monona | 139 days |
| Mar 8, 10:06 PM CST | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 29 min |
| Mar 8, 10:34 PM CST | Severe Thunderstorm Warning | DMX | Ringgold, Union | 41 min |
| Mar 8, 10:53 PM CST | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 32 min |
| Mar 8, 11:18 PM CST | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 42 min |
| Mar 8, 11:29 PM CST | Severe Thunderstorm Warning | DMX | Warren | 46 min |
| Mar 8, 11:46 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk | 44 min |
| Mar 8, 11:58 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 47 min |
| Mar 9, 12:13 AM CST | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek, Tama | 47 min |
| Mar 9, 12:20 AM CST | Severe Thunderstorm Warning | DMX | Davis, Wapello | 40 min |
| Mar 9, 12:28 AM CST | Severe Thunderstorm Warning | DMX | Grundy, Marshall, Tama | 47 min |
| Mar 9, 12:37 AM CST | Severe Thunderstorm Warning | DVN | Iowa, Jefferson, Keokuk, Van Buren | 68 min |
| Mar 9, 1:06 AM CST | Severe Thunderstorm Warning | DVN | Benton | 39 min |
| Mar 9, 1:20 AM CST | Severe Thunderstorm Warning | DVN | Henry, Johnson, Lee, Washington | 70 min |
| Mar 9, 1:43 AM CST | Severe Thunderstorm Warning | DVN | Buchanan, Linn | 62 min |
| Mar 9, 2:35 AM CST | Severe Thunderstorm Warning | DVN | Des Moines | 40 min |
| Mar 9, 2:50 AM CST | Severe Thunderstorm Warning | DVN | Scott | 40 min |
| Mar 9, 3:05 AM CST | Severe Thunderstorm Warning | DVN | Clinton | 40 min |
| Apr 16, 6:28 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux, Woodbury | 47 min |
| Apr 16, 6:51 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 24 min |
| Apr 16, 7:19 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, O'Brien, Sioux | 26 min |
| Apr 16, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 31 min |
| Apr 16, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 33 min |
| Apr 16, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 43 min |
| Apr 16, 8:23 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 37 min |
| Apr 16, 8:28 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 32 min |
| Apr 16, 9:06 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 39 min |
| Apr 16, 9:23 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 52 min |
| Apr 16, 9:48 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 57 min |
| Apr 16, 9:49 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 26 min |
| Apr 16, 10:16 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 29 min |
| Apr 16, 10:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 57 min |
| Apr 16, 10:19 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto, Pocahontas | 41 min |
| Apr 16, 10:23 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 37 min |
| Apr 16, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 31 min |
| Apr 17, 7:39 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 51 min |
| Apr 17, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 31 min |
| Apr 17, 9:09 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 66 min |
| Apr 17, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 59 min |
| Apr 17, 9:45 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 15 min |
| Apr 17, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 45 min |
| Apr 17, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 66 min |
| Apr 17, 10:58 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 47 min |
| Apr 17, 11:47 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 43 min |
| Apr 18, 12:01 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Story | 59 min |
| Apr 18, 12:28 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 47 min |
| Apr 18, 12:34 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 56 min |
| Apr 18, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 61 min |
| Apr 18, 1:30 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 30 min |
| Apr 18, 1:34 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin | 56 min |
| Apr 18, 1:47 AM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 58 min |
| Apr 18, 2:19 AM CDT | Severe Thunderstorm Warning | DMX | Bremer | 41 min |
| Apr 18, 2:22 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 38 min |
| Apr 18, 2:48 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 42 min |
| Apr 18, 2:50 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 55 min |
| Apr 18, 2:58 AM CDT | Severe Thunderstorm Warning | ARX | Fayette | 47 min |
| Apr 18, 3:29 AM CDT | Severe Thunderstorm Warning | ARX | Howard | 46 min |
| Apr 18, 3:49 AM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 56 min |
| Apr 18, 4:01 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 44 min |
| Apr 18, 2:13 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 47 min |
| Apr 18, 2:27 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 48 min |
| Apr 18, 2:52 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 38 min |
| Apr 18, 3:04 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 41 min |
| Apr 18, 4:29 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 31 min |
| Apr 18, 4:31 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 44 min |
| Apr 18, 4:51 PM CDT | Severe Thunderstorm Warning | OAX | Page | 24 min |
| Apr 18, 4:57 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 63 min |
| Apr 18, 5:00 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 45 min |
| Apr 18, 5:02 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 18 min |
| Apr 18, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 38 min |
| Apr 18, 5:10 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 35 min |
| Apr 18, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 53 min |
| Apr 18, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 37 min |
| Apr 18, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 33 min |
| Apr 18, 5:34 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 26 min |
| Apr 18, 5:41 PM CDT | Severe Thunderstorm Warning | DMX | Story | 34 min |
| Apr 18, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 43 min |
| Apr 18, 5:49 PM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 56 min |
| Apr 18, 5:53 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 52 min |
| Apr 18, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 60 min |
| Apr 18, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie, Madison | 24 min |
| Apr 18, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Story | 42 min |
| Apr 18, 6:31 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 59 min |
| Apr 18, 6:34 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 41 min |
| Apr 18, 6:40 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 50 min |
| Apr 18, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 60 min |
| Apr 18, 6:49 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 56 min |
| Apr 18, 6:55 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 65 min |
| Apr 18, 7:02 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 58 min |
| Apr 18, 7:04 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 26 min |
| Apr 18, 7:10 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 65 min |
| Apr 18, 7:34 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton | 56 min |
| Apr 18, 7:38 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 52 min |
| Apr 18, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 34 min |
| Apr 18, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 33 min |
| Apr 18, 8:11 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 64 min |
| Apr 18, 8:17 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 33 min |
| Apr 18, 8:44 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 31 min |
| Apr 18, 9:10 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 50 min |
| Apr 18, 9:16 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 44 min |
| Apr 18, 9:30 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jones | 45 min |
| Apr 18, 9:50 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 40 min |
| Apr 18, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 51 min |
| Apr 24, 6:57 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 33 min |
| Apr 24, 7:13 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 32 min |
| Apr 24, 7:25 AM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 35 min |
| Apr 24, 7:43 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 32 min |
| Apr 24, 8:08 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 37 min |
| Apr 24, 8:14 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 46 min |
| Apr 24, 8:25 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 50 min |
| Apr 24, 8:33 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 42 min |
| Apr 24, 8:39 AM CDT | Severe Thunderstorm Warning | OAX | Page | 51 min |
| Apr 24, 9:43 AM CDT | Severe Thunderstorm Warning | DMX | Clarke | 32 min |
| Apr 24, 10:22 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 38 min |
| Apr 24, 10:46 AM CDT | Severe Thunderstorm Warning | DMX | Decatur | 44 min |
| Apr 24, 10:54 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe, Wapello | 36 min |
| Apr 24, 11:30 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 30 min |
| Apr 24, 11:33 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 42 min |
| Apr 24, 11:40 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 50 min |
| Apr 24, 11:58 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 47 min |
| May 1, 4:49 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 41 min |
| May 5, 5:38 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 37 min |
| May 5, 6:11 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 34 min |
| May 5, 6:13 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 32 min |
| May 5, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 45 min |
| May 5, 6:40 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 35 min |
| May 5, 6:44 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 31 min |
| May 5, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 47 min |
| May 5, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 45 min |
| May 5, 7:17 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| May 5, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 47 min |
| May 5, 7:33 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Ida, Osceola | 27 min |
| May 5, 7:35 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 40 min |
| May 5, 7:43 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 32 min |
| May 5, 7:54 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 21 min |
| May 5, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 49 min |
| May 5, 7:58 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 32 min |
| May 5, 8:01 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 44 min |
| May 5, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Ida | 43 min |
| May 5, 8:06 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 39 min |
| May 5, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 38 min |
| May 5, 8:07 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 23 min |
| May 5, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 46 min |
| May 5, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 42 min |
| May 5, 8:23 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 52 min |
| May 5, 8:23 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 22 min |
| May 5, 8:30 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| May 5, 8:33 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 27 min |
| May 5, 8:36 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 54 min |
| May 5, 8:41 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 64 min |
| May 5, 8:43 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 47 min |
| May 5, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 28 min |
| May 5, 8:48 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 27 min |
| May 5, 9:11 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 34 min |
| May 5, 9:33 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 42 min |
| May 6, 4:10 AM CDT | Severe Thunderstorm Warning | OAX | Page | 35 min |
| May 6, 5:50 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 40 min |
| May 6, 6:29 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 16 min |
| May 6, 6:36 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 54 min |
| May 6, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 39 min |
| May 6, 9:11 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 34 min |
| May 6, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 23 min |
| May 8, 5:16 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 44 min |
| May 8, 5:31 PM CDT | Severe Thunderstorm Warning | OAX | Page | 29 min |
| May 8, 5:51 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 54 min |
| May 8, 5:55 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 50 min |
| May 8, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 39 min |
| May 8, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| May 8, 6:42 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 63 min |
| May 8, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 48 min |
| May 8, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 41 min |
| May 8, 7:36 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Warren | 39 min |
| May 8, 7:37 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 53 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 65 min |
| May 8, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 47 min |
| May 8, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 44 min |
| May 8, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 49 min |
| May 8, 10:00 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 60 min |
| May 8, 10:06 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 39 min |
| May 13, 4:34 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 41 min |
| May 13, 4:49 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 41 min |
| May 16, 1:11 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 34 min |
| May 28, 3:07 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 23 min |
| May 28, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 54 min |
| May 28, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Story | 40 min |
| May 28, 6:36 PM CDT | Severe Thunderstorm Warning | DMX | Story | 39 min |
| May 28, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 33 min |
| May 30, 7:19 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 46 min |
| May 30, 8:22 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 23 min |
| May 30, 8:58 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 32 min |
| May 31, 9:43 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 47 min |
| May 31, 10:18 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 57 min |
| May 31, 10:22 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 38 min |
| May 31, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 67 min |
| May 31, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 56 min |
| Jun 1, 12:56 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 49 min |
| Jun 1, 2:18 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 42 min |
| Jun 1, 2:38 AM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 67 min |
| Jun 1, 3:00 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 45 min |
| Jun 1, 3:31 AM CDT | Severe Thunderstorm Warning | DVN | Henry | 44 min |
| Jun 1, 4:28 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 62 min |
| Jun 1, 10:27 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 33 min |
| Jun 1, 10:51 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 39 min |
| Jun 2, 1:08 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 37 min |
| Jun 2, 3:21 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 39 min |
| Jun 2, 3:59 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 46 min |
| Jun 3, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 33 min |
| Jun 3, 10:07 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 53 min |
| Jun 3, 10:16 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 54 min |
| Jun 4, 4:15 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 60 min |
| Jun 4, 8:55 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 50 min |
| Jun 4, 9:24 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 66 min |
| Jun 4, 10:02 AM CDT | Severe Thunderstorm Warning | DVN | Linn | 43 min |
| Jun 4, 10:31 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 44 min |
| Jun 4, 11:04 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 41 min |
| Jun 7, 5:01 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 29 min |
| Jun 7, 5:41 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 34 min |
| Jun 7, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 43 min |
| Jun 7, 5:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 46 min |
| Jun 7, 6:03 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 42 min |
| Jun 7, 6:13 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 32 min |
| Jun 7, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 46 min |
| Jun 7, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 60 min |
| Jun 7, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Jun 7, 6:42 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 18 min |
| Jun 7, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 47 min |
| Jun 10, 10:49 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 41 min |
| Jun 10, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 34 min |
| Jun 10, 11:11 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 49 min |
| Jun 10, 11:22 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 38 min |
| Jun 10, 11:31 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 29 min |
| Jun 10, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 55 min |
| Jun 10, 11:53 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 52 min |
| Jun 11, 12:22 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 23 min |
| Jun 11, 12:42 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Webster | 63 min |
| Jun 11, 12:45 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 30 min |
| Jun 11, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 46 min |
| Jun 11, 1:00 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 30 min |
| Jun 11, 1:12 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 33 min |
| Jun 11, 1:17 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 43 min |
| Jun 11, 1:24 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 51 min |
| Jun 11, 3:47 AM CDT | Severe Thunderstorm Warning | DVN | Johnson, Linn | 43 min |
| Jun 12, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 41 min |
| Jun 12, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison | 45 min |
| Jun 12, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 31 min |
| Jun 12, 4:58 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 32 min |
| Jun 12, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 47 min |
| Jun 12, 5:40 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 35 min |
| Jun 12, 5:50 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 40 min |
| Jun 12, 5:54 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 36 min |
| Jun 12, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Jun 12, 6:16 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 29 min |
| Jun 12, 6:55 PM CDT | Severe Thunderstorm Warning | OAX | Page | 35 min |
| Jun 12, 8:22 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 28 min |
| Jun 12, 9:47 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 28 min |
| Jun 12, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 34 min |
| Jun 12, 10:36 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 24 min |
| Jun 12, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 53 min |
| Jun 12, 11:23 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Warren | 67 min |
| Jun 12, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 34 min |
| Jun 13, 1:29 AM CDT | Severe Thunderstorm Warning | DMX | Monroe | 16 min |
| Jun 19, 8:38 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 22 min |
| Jun 19, 9:12 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 33 min |
| Jun 19, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 31 min |
| Jun 20, 7:21 PM CDT | Severe Thunderstorm Warning | DMX | Story | 54 min |
| Jun 20, 8:05 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 55 min |
| Jun 20, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 33 min |
| Jun 20, 8:56 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Jun 20, 9:23 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 47 min |
| Jun 20, 9:40 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 50 min |
| Jun 20, 10:53 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 52 min |
| Jun 21, 1:07 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 38 min |
| Jun 21, 1:16 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 44 min |
| Jun 21, 6:06 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 84 min |
| Jun 26, 1:04 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 41 min |
| Jun 26, 1:26 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Union | 64 min |
| Jun 26, 1:44 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| Jun 26, 1:47 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 43 min |
| Jun 26, 2:11 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 49 min |
| Jun 26, 2:28 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 47 min |
| Jun 26, 2:34 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 26 min |
| Jun 26, 3:36 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 24 min |
| Jun 26, 3:50 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 40 min |
| Jun 26, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 55 min |
| Jun 26, 4:26 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 49 min |
| Jun 26, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 55 min |
| Jun 26, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 61 min |
| Jun 26, 5:29 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 61 min |
| Jun 26, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 53 min |
| Jun 26, 5:43 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 47 min |
| Jun 26, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 54 min |
| Jun 26, 6:50 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 40 min |
| Jun 26, 7:22 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 58 min |
| Jun 26, 7:31 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 49 min |
| Jul 6, 1:52 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 53 min |
| Jul 6, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 63 min |
| Jul 8, 7:36 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Muscatine | 39 min |
| Jul 8, 8:06 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 39 min |
| Jul 8, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 32 min |
| Jul 8, 8:46 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 44 min |
| Jul 10, 1:34 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 26 min |
| Jul 10, 1:35 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 40 min |
| Jul 10, 3:08 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 52 min |
| Jul 10, 4:23 AM CDT | Severe Thunderstorm Warning | DMX | Story | 27 min |
| Jul 10, 4:53 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 52 min |
| Jul 10, 5:51 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 54 min |
| Jul 10, 6:05 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 25 min |
| Jul 10, 6:11 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 49 min |
| Jul 10, 6:28 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Sac | 62 min |
| Jul 10, 6:52 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 53 min |
| Jul 10, 7:10 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 35 min |
| Jul 10, 7:13 AM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 62 min |
| Jul 10, 7:22 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 53 min |
| Jul 10, 7:31 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 29 min |
| Jul 10, 7:44 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 46 min |
| Jul 10, 7:50 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 40 min |
| Jul 10, 8:05 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 55 min |
| Jul 10, 8:12 AM CDT | Severe Thunderstorm Warning | DMX | Union | 33 min |
| Jul 10, 8:15 AM CDT | Severe Thunderstorm Warning | DMX | Madison, Polk | 15 min |
| Jul 10, 8:16 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 44 min |
| Jul 10, 8:17 AM CDT | Severe Thunderstorm Warning | DMX | Union | 28 min |
| Jul 10, 8:29 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 46 min |
| Jul 10, 8:36 AM CDT | Severe Thunderstorm Warning | DMX | Lucas | 39 min |
| Jul 10, 8:50 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 55 min |
| Jul 11, 4:27 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 63 min |
| Jul 18, 5:57 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 48 min |
| Jul 18, 6:21 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 59 min |
| Jul 18, 6:42 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 63 min |
| Jul 18, 7:45 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson | 45 min |
| Jul 18, 11:11 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 69 min |
| Jul 20, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 62 min |
| Jul 21, 5:04 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 41 min |
| Jul 21, 5:34 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 26 min |
| Jul 21, 5:45 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 45 min |
| Jul 21, 5:51 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 39 min |
| Jul 21, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 48 min |
| Jul 21, 6:24 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 66 min |
| Jul 21, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Jul 21, 6:45 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 45 min |
| Jul 21, 6:55 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 50 min |
| Jul 21, 7:13 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 47 min |
| Jul 21, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 43 min |
| Jul 21, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 56 min |
| Jul 24, 2:48 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 42 min |
| Jul 25, 2:11 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 49 min |
| Jul 25, 2:33 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 42 min |
| Jul 25, 3:00 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 45 min |
| Jul 25, 3:09 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 51 min |
| Jul 25, 3:38 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 22 min |
| Jul 25, 3:53 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 37 min |
| Jul 25, 3:58 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 62 min |
| Jul 25, 4:25 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 35 min |
| Jul 25, 4:38 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 37 min |
| Jul 25, 4:50 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 40 min |
| Jul 25, 4:56 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 64 min |
| Jul 25, 5:00 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 30 min |
| Jul 25, 5:31 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 44 min |
| Jul 25, 6:28 AM CDT | Severe Thunderstorm Warning | OAX | Page | 47 min |
| Jul 26, 7:16 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 44 min |
| Jul 26, 7:22 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 23 min |
| Jul 26, 8:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 27 min |
| Jul 26, 8:30 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 60 min |
| Jul 26, 8:30 PM CDT | Severe Thunderstorm Warning | OAX | Page | 30 min |
| Jul 26, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 36 min |
| Jul 26, 11:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 54 min |
| Jul 26, 11:43 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 47 min |
| Jul 27, 3:50 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 40 min |
| Jul 27, 7:52 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 53 min |
| Jul 27, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Webster | 33 min |
| Jul 28, 5:39 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson, Osceola | 36 min |
| Jul 28, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 33 min |
| Jul 28, 7:04 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 41 min |
| Jul 28, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 29 min |
| Jul 28, 7:43 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 47 min |
| Jul 28, 7:47 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 43 min |
| Jul 28, 7:52 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 38 min |
| Jul 28, 8:03 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 27 min |
| Jul 28, 8:19 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 41 min |
| Jul 28, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 38 min |
| Jul 28, 8:29 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 46 min |
| Jul 28, 8:30 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 30 min |
| Jul 28, 8:45 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 45 min |
| Jul 28, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 37 min |
| Jul 28, 9:02 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 28 min |
| Jul 28, 9:03 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 42 min |
| Jul 28, 9:32 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 28 min |
| Jul 28, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 38 min |
| Jul 30, 6:37 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 53 min |
| Aug 11, 3:01 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Washington | 44 min |
| Aug 11, 3:55 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 25 min |
| Aug 11, 5:10 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 50 min |
| Aug 11, 6:27 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 48 min |
| Aug 11, 10:52 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 38 min |
| Aug 11, 11:14 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 46 min |
| Aug 11, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 43 min |
| Aug 12, 12:09 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 36 min |
| Aug 12, 12:40 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 35 min |
| Aug 12, 12:44 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 31 min |
| Aug 12, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Aug 12, 1:42 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 33 min |
| Aug 12, 1:43 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 32 min |
| Aug 12, 2:16 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 29 min |
| Aug 12, 2:21 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 54 min |
| Aug 12, 2:25 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 50 min |
| Aug 12, 2:57 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 33 min |
| Aug 12, 3:17 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Aug 12, 4:32 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 43 min |
| Aug 12, 5:32 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 43 min |
| Aug 12, 7:38 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 37 min |
| Aug 12, 8:00 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 45 min |
| Aug 12, 8:57 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 33 min |
| Aug 12, 9:24 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 51 min |
| Aug 12, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 21 min |
| Aug 12, 11:11 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 49 min |
| Aug 12, 11:32 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 43 min |
| Aug 16, 11:43 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 32 min |
| Aug 16, 12:00 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 30 min |
| Aug 16, 12:29 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 31 min |
| Aug 16, 12:50 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 25 min |
| Aug 16, 12:52 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 53 min |
| Aug 16, 12:57 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 33 min |
| Aug 16, 1:08 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 37 min |
| Aug 16, 1:19 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 41 min |
| Aug 16, 1:33 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 42 min |
| Aug 16, 1:44 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 31 min |
| Aug 16, 2:01 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 29 min |
| Aug 16, 2:20 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 25 min |
| Aug 16, 2:30 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Aug 16, 2:40 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 50 min |
| Aug 16, 2:53 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 47 min |
| Aug 16, 3:10 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Aug 16, 3:23 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 52 min |
| Aug 16, 3:32 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 18 min |
| Aug 16, 3:41 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 34 min |
| Aug 16, 3:49 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 26 min |
| Aug 16, 3:56 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 34 min |
| Aug 16, 4:16 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 29 min |
| Aug 16, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 42 min |
| Aug 16, 4:32 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 28 min |
| Aug 16, 4:53 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 37 min |
| Aug 16, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 59 min |
| Aug 16, 5:28 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 52 min |
| Aug 16, 5:33 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 37 min |
| Aug 16, 5:35 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 55 min |
| Aug 16, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 47 min |
| Aug 16, 6:04 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 26 min |
| Aug 16, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 38 min |
| Aug 16, 9:23 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 52 min |
| Aug 16, 9:45 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 45 min |
| Aug 16, 10:15 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 45 min |
| Aug 16, 11:03 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 37 min |
| Aug 16, 11:25 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 35 min |
| Aug 17, 12:13 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 47 min |
| Aug 17, 12:30 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 30 min |
| Aug 17, 12:49 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 26 min |
| Aug 17, 1:06 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 39 min |
| Aug 17, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 37 min |
| Aug 17, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 32 min |
| Aug 17, 1:15 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 45 min |
| Aug 17, 1:35 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 40 min |
| Aug 17, 1:39 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 36 min |
| Aug 17, 1:44 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 46 min |
| Aug 17, 1:45 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 30 min |
| Aug 17, 2:15 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 45 min |
| Aug 17, 2:24 AM CDT | Severe Thunderstorm Warning | DMX | Sac | 51 min |
| Aug 17, 3:05 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 40 min |
| Aug 17, 3:13 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 47 min |
| Aug 17, 3:33 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 57 min |
| Aug 17, 3:38 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 37 min |
| Aug 17, 3:45 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 30 min |
| Aug 17, 3:49 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams | 56 min |
| Aug 17, 3:52 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor, Union | 53 min |
| Aug 17, 3:58 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hardin | 42 min |
| Aug 17, 4:00 AM CDT | Severe Thunderstorm Warning | DMX | Story | 45 min |
| Aug 17, 4:06 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 39 min |
| Aug 19, 1:38 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 37 min |
| Aug 19, 2:24 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 36 min |
| Aug 19, 8:00 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 30 min |
| Aug 20, 2:05 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 40 min |
| Aug 20, 2:17 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery | 43 min |
| Aug 20, 2:45 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 45 min |
| Aug 20, 6:49 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 41 min |
| Aug 20, 11:10 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 35 min |
| Aug 20, 11:28 AM CDT | Severe Thunderstorm Warning | DMX | Adair | 47 min |
| Aug 21, 3:35 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Washington | 40 min |
| Aug 21, 4:53 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 52 min |
| Aug 21, 5:27 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 33 min |
| Aug 21, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 42 min |
| Aug 21, 6:05 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 40 min |
| Aug 21, 11:15 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 45 min |
| Aug 21, 11:39 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 66 min |
| Aug 22, 8:23 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 52 min |
| Aug 22, 8:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 39 min |
| Aug 22, 9:47 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 43 min |
| Aug 22, 9:58 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 47 min |
| Aug 23, 12:28 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 47 min |
| Aug 23, 12:54 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 51 min |
| Sep 1, 10:15 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 45 min |
| Sep 1, 11:34 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 56 min |
| Sep 18, 2:47 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 28 min |
| Sep 18, 4:12 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 48 min |
| Sep 18, 4:14 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 31 min |
| Sep 18, 4:33 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 27 min |
| Sep 18, 4:40 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 35 min |
| Sep 18, 1:55 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 50 min |
| Sep 18, 3:17 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 43 min |
| Sep 18, 5:46 PM CDT | Severe Thunderstorm Warning | OAX | Page | 29 min |
| Sep 18, 5:56 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 49 min |
| Sep 18, 6:06 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 39 min |
| Sep 18, 6:11 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 64 min |
| Sep 18, 6:15 PM CDT | Severe Thunderstorm Warning | OAX | Page | 30 min |
| Sep 18, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 60 min |
| Sep 18, 6:54 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 36 min |
| Sep 18, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 63 min |
| Sep 18, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 60 min |
| Sep 18, 7:51 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 54 min |
| Sep 18, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 50 min |
| Sep 18, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 47 min |
| Sep 18, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 58 min |
| Sep 18, 8:12 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 63 min |
| Sep 18, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 53 min |
| Sep 18, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 34 min |
| Sep 18, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 48 min |
| Sep 18, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 46 min |
| Sep 18, 8:38 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 37 min |
| Sep 18, 8:45 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 60 min |
| Sep 18, 8:46 PM CDT | Severe Thunderstorm Warning | OAX | Page | 29 min |
| Sep 18, 8:52 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 53 min |
| Sep 18, 9:00 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 45 min |
| Sep 18, 9:41 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 64 min |
| Sep 18, 9:47 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 58 min |
| Sep 18, 10:27 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 33 min |
| Sep 18, 11:51 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 39 min |
| Sep 24, 6:14 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 31 min |
| Sep 25, 12:11 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 64 min |
| Sep 29, 12:48 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 27 min |
| Sep 30, 9:49 PM CDT | Severe Thunderstorm Warning | OAX | Page | 41 min |
| Oct 1, 2:52 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 23 min |
| Oct 1, 10:09 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 36 min |
| Oct 1, 10:12 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn | 33 min |
| Oct 1, 2:35 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 40 min |
| Oct 1, 2:41 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 39 min |
| Oct 1, 3:16 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Oct 1, 3:19 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 26 min |
| Oct 1, 3:34 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 41 min |
| Oct 1, 4:20 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 40 min |
| Oct 1, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 46 min |
| Oct 1, 5:20 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 40 min |
| Oct 1, 6:10 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 35 min |
| Oct 1, 6:18 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 42 min |
| Oct 1, 6:40 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 50 min |
| Oct 1, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 53 min |
| Oct 1, 7:10 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 50 min |
| Oct 1, 7:16 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 44 min |
| Oct 1, 7:20 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 40 min |
| Oct 1, 7:20 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 40 min |
| Oct 1, 8:19 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 26 min |
| Oct 1, 8:44 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 31 min |
| Oct 1, 11:24 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 66 min |
| Oct 4, 2:35 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene | 25 min |
| Oct 4, 3:23 AM CDT | Severe Thunderstorm Warning | DMX | Story | 22 min |
| Oct 4, 3:29 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 31 min |
| Dec 18, 10:21 AM CST | Severe Thunderstorm Warning | DVN | Van Buren | 39 min |
| Dec 18, 11:14 AM CST | Severe Thunderstorm Warning | DVN | Des Moines | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County26
- Harrison County19
- Monona County17
- Plymouth County17
- Sioux County17
- Woodbury County16
- Clay County16
- Fremont County15
- Lyon County14
- Palo Alto County14
- Mills County14
- Warren County13
- Polk County13
- Page County13
- Ringgold County12
- Johnson County12
- Audubon County11
- Ida County11
- Jasper County10
- Crawford County10
- Muscatine County10
- Jackson County10
- Madison County10
- O'Brien County9
- Carroll County9
- Story County9
- Cedar County9
- Montgomery County9
- Taylor County9
- Dickinson County9
- Guthrie County8
- Clarke County8
- Scott County8
- Clinton County8
- Cherokee County8
- Emmet County8
- Kossuth County8
- Boone County8
- Winneshiek County8
- Adams County8
58 more counties
- Sac County8
- Webster County8
- Adair County7
- Union County7
- Marion County7
- Mahaska County7
- Linn County7
- Shelby County7
- Greene County7
- Allamakee County7
- Buena Vista County7
- Lucas County6
- Poweshiek County6
- Davis County6
- Osceola County6
- Pocahontas County6
- Hamilton County6
- Dubuque County6
- Decatur County5
- Monroe County5
- Tama County5
- Wapello County5
- Jefferson County5
- Des Moines County5
- Fayette County5
- Franklin County5
- Chickasaw County5
- Howard County5
- Jones County5
- Dallas County5
- Calhoun County5
- Black Hawk County5
- Wayne County4
- Iowa County4
- Van Buren County4
- Lee County4
- Buchanan County4
- Hardin County4
- Clayton County4
- Cass County4
- Keokuk County3
- Benton County3
- Washington County3
- Winnebago County3
- Bremer County3
- Floyd County3
- Wright County3
- Louisa County3
- Marshall County2
- Henry County2
- Mitchell County2
- Delaware County2
- Humboldt County2
- Appanoose County1
- Grundy County1
- Hancock County1
- Butler County1
- Cerro Gordo County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20012003
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. Rebuilt daily.