Weather alerts in Iowa, 1991
320 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Alerts
- 320
- Warnings
- 320
- Watches
- 0
- Advisories
- 0
- Busiest month
- May100 alerts
- Busiest day
- May 14, 199131 alerts
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 18, 6:50 PM CST | Severe Thunderstorm Warning | DMX | Adams, Taylor | 40 min |
| Mar 22, 2:08 PM CST | Severe Thunderstorm Warning | DMX | Cass | 67 min |
| Mar 22, 3:10 PM CST | Severe Thunderstorm Warning | DMX | Guthrie | 50 min |
| Mar 22, 3:58 PM CST | Tornado Warning | DMX | Boone | 32 min |
| Mar 22, 4:14 PM CST | Tornado Warning | DMX | Boone | 29 min |
| Mar 22, 4:24 PM CST | Severe Thunderstorm Warning | DMX | Story | 36 min |
| Mar 22, 4:34 PM CST | Tornado Warning | DMX | Story | 26 min |
| Mar 22, 5:02 PM CST | Tornado Warning | DMX | Hardin | 28 min |
| Mar 22, 5:15 PM CST | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 27 min |
| Mar 22, 5:28 PM CST | Tornado Warning | DMX | Grundy | 47 min |
| Mar 22, 6:11 PM CST | Severe Thunderstorm Warning | DMX | Black Hawk | 49 min |
| Mar 22, 7:14 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 41 min |
| Mar 22, 8:25 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 45 min |
| Mar 26, 10:15 PM CST | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 30 min |
| Mar 26, 10:49 PM CST | Severe Thunderstorm Warning | OAX | Harrison | 56 min |
| Mar 26, 11:09 PM CST | Severe Thunderstorm Warning | OAX | Pottawattamie | 66 min |
| Mar 26, 11:46 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Carroll | 44 min |
| Mar 27, 12:10 AM CST | Severe Thunderstorm Warning | DMX | Tama | 28 min |
| Mar 27, 12:34 AM CST | Severe Thunderstorm Warning | DMX | Marshall | 34 min |
| Mar 27, 12:06 PM CST | Severe Thunderstorm Warning | DVN | Dubuque, Jackson | 39 min |
| Mar 27, 12:13 PM CST | Tornado Warning | DVN | Dubuque, Jackson | 32 min |
| Mar 27, 12:51 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 69 min |
| Apr 8, 8:55 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 65 min |
| Apr 8, 11:18 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 42 min |
| Apr 8, 2:41 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 49 min |
| Apr 8, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Clayton, Delaware | 64 min |
| Apr 8, 3:20 PM CDT | Severe Thunderstorm Warning | DVN | Jackson, Jones | 40 min |
| Apr 8, 3:28 PM CDT | Tornado Warning | DVN | Dubuque, Jones | 32 min |
| Apr 8, 3:43 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 62 min |
| Apr 8, 6:06 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 54 min |
| Apr 8, 6:09 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 36 min |
| Apr 8, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 34 min |
| Apr 8, 6:45 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 30 min |
| Apr 8, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Washington | 46 min |
| Apr 8, 11:15 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 45 min |
| Apr 12, 3:30 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 24 min |
| Apr 12, 4:07 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 53 min |
| Apr 12, 10:57 AM CDT | Severe Thunderstorm Warning | DMX | Jasper | 33 min |
| Apr 17, 2:40 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 50 min |
| Apr 17, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 38 min |
| Apr 17, 5:37 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 38 min |
| Apr 17, 6:15 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 31 min |
| Apr 26, 6:23 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 52 min |
| Apr 26, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 35 min |
| Apr 26, 7:20 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 70 min |
| Apr 26, 7:43 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 32 min |
| Apr 26, 7:49 PM CDT | Tornado Warning | DMX | Crawford | 26 min |
| Apr 26, 8:19 PM CDT | Tornado Warning | DMX | Sac | 56 min |
| Apr 26, 8:36 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista | 29 min |
| Apr 26, 8:55 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 30 min |
| Apr 26, 9:19 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 35 min |
| Apr 26, 9:19 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 41 min |
| Apr 26, 9:46 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 44 min |
| Apr 26, 10:59 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 31 min |
| Apr 26, 11:18 PM CDT | Tornado Warning | DMX | Wayne | 27 min |
| Apr 26, 11:23 PM CDT | Tornado Warning | DMX | Lucas | 37 min |
| Apr 27, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe | 28 min |
| Apr 27, 1:30 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 45 min |
| Apr 27, 2:04 AM CDT | Tornado Warning | DMX | Iowa | 41 min |
| Apr 27, 2:04 AM CDT | Tornado Warning | DMX | Keokuk | 15 min |
| Apr 28, 11:30 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 60 min |
| Apr 28, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 44 min |
| Apr 28, 6:43 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 52 min |
| Apr 28, 7:04 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 41 min |
| Apr 28, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| Apr 28, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 51 min |
| Apr 28, 9:30 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 60 min |
| Apr 28, 9:33 PM CDT | Flash Flood Warning | DMX | Wayne | 117 min |
| Apr 28, 9:47 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 58 min |
| Apr 28, 10:54 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 36 min |
| Apr 29, 1:14 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 61 min |
| Apr 29, 1:17 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 58 min |
| Apr 29, 1:23 PM CDT | Tornado Warning | OAX | Pottawattamie | 37 min |
| Apr 29, 1:25 PM CDT | Tornado Warning | DMX | Crawford, Sac | 35 min |
| Apr 29, 1:52 PM CDT | Tornado Warning | DMX | Crawford | 53 min |
| Apr 29, 1:54 PM CDT | Tornado Warning | OAX | Harrison, Pottawattamie, Shelby | 36 min |
| Apr 29, 1:57 PM CDT | Tornado Warning | DMX | Buena Vista | 33 min |
| Apr 29, 2:19 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 36 min |
| Apr 29, 2:31 PM CDT | Tornado Warning | DMX | Pocahontas | 44 min |
| Apr 29, 2:31 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 59 min |
| Apr 29, 2:31 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie, Shelby | 39 min |
| Apr 29, 2:40 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 50 min |
| Apr 29, 3:05 PM CDT | Tornado Warning | DMX | Palo Alto | 40 min |
| Apr 29, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 40 min |
| Apr 29, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 26 min |
| May 4, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 41 min |
| May 12, 10:24 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 16 min |
| May 13, 12:46 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 29 min |
| May 13, 1:12 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 43 min |
| May 13, 4:04 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Monroe | 20 min |
| May 13, 4:24 AM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 36 min |
| May 13, 6:26 AM CDT | Severe Thunderstorm Warning | DVN | Clayton | 34 min |
| May 14, 6:26 AM CDT | Severe Thunderstorm Warning | DVN | Clayton | 34 min |
| May 14, 8:33 AM CDT | Severe Thunderstorm Warning | DMX | Lucas | 42 min |
| May 14, 8:44 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Story | 46 min |
| May 14, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 42 min |
| May 14, 9:15 AM CDT | Severe Thunderstorm Warning | DMX | Lucas | 45 min |
| May 14, 9:43 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 47 min |
| May 14, 10:00 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 45 min |
| May 14, 10:36 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 69 min |
| May 14, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Wayne | 40 min |
| May 14, 11:05 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 40 min |
| May 14, 11:17 AM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 58 min |
| May 14, 11:26 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 64 min |
| May 14, 12:04 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 38 min |
| May 14, 12:34 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 41 min |
| May 14, 12:43 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 47 min |
| May 14, 1:01 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 44 min |
| May 14, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 33 min |
| May 14, 1:30 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 45 min |
| May 14, 1:38 PM CDT | Tornado Warning | DVN | Delaware | 37 min |
| May 14, 1:40 PM CDT | Tornado Warning | DMX | Linn | 35 min |
| May 14, 1:52 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 21 min |
| May 14, 2:01 PM CDT | Tornado Warning | DVN | Dubuque | 29 min |
| May 14, 2:24 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 66 min |
| May 14, 2:45 PM CDT | Tornado Warning | DVN | Cedar | 30 min |
| May 14, 3:23 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 67 min |
| May 14, 3:37 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 68 min |
| May 14, 5:05 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 40 min |
| May 14, 5:22 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 68 min |
| May 14, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 41 min |
| May 14, 6:42 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Warren | 63 min |
| May 14, 6:56 PM CDT | Tornado Warning | DMX | Polk | 34 min |
| May 14, 7:10 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 42 min |
| May 14, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 33 min |
| May 15, 3:23 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 22 min |
| May 16, 7:33 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 42 min |
| May 16, 8:36 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 39 min |
| May 17, 1:54 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 36 min |
| May 17, 2:05 PM CDT | Tornado Warning | DMX | Hamilton, Wright | 25 min |
| May 17, 2:35 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 40 min |
| May 17, 3:01 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 44 min |
| May 17, 3:17 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 58 min |
| May 17, 3:46 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 59 min |
| May 17, 3:53 PM CDT | Tornado Warning | DMX | Johnson | 37 min |
| May 17, 3:59 PM CDT | Tornado Warning | DVN | Muscatine | 31 min |
| May 17, 4:12 PM CDT | Tornado Warning | DMX | Hamilton, Webster | 33 min |
| May 17, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 44 min |
| May 17, 4:19 PM CDT | Tornado Warning | DVN | Scott | 41 min |
| May 17, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Floyd | 38 min |
| May 17, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 68 min |
| May 17, 4:48 PM CDT | Tornado Warning | DVN | Muscatine | 27 min |
| May 17, 4:55 PM CDT | Tornado Warning | DMX | Wright | 50 min |
| May 17, 5:02 PM CDT | Tornado Warning | DVN | Scott | 28 min |
| May 17, 5:14 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Iowa | 46 min |
| May 17, 5:27 PM CDT | Severe Thunderstorm Warning | DMX | Van Buren | 48 min |
| May 17, 5:36 PM CDT | Severe Thunderstorm Warning | DMX | Iowa, Johnson, Linn | 69 min |
| May 17, 5:45 PM CDT | Flash Flood Warning | DMX | Hamilton, Hardin, Humboldt, Webster, Wright | 4 hr |
| May 17, 6:13 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 62 min |
| May 17, 6:21 PM CDT | Flash Flood Warning | DVN | Scott | 2 hr |
| May 25, 8:33 PM CDT | Severe Thunderstorm Warning | OAX | Page | 24 min |
| May 25, 9:26 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 44 min |
| May 25, 10:53 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 67 min |
| May 27, 8:14 PM CDT | Tornado Warning | DMX | Mitchell | 41 min |
| May 28, 12:04 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 41 min |
| May 28, 12:35 AM CDT | Severe Thunderstorm Warning | FSD | Monona | 55 min |
| May 28, 12:52 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 44 min |
| May 28, 3:26 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 49 min |
| May 28, 3:58 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 47 min |
| May 28, 4:18 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 57 min |
| May 28, 4:29 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 46 min |
| May 28, 5:09 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Grundy | 51 min |
| May 28, 5:30 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 30 min |
| May 29, 1:19 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 56 min |
| May 29, 1:19 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 56 min |
| May 29, 1:33 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 27 min |
| May 29, 2:00 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 60 min |
| May 29, 2:26 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 49 min |
| May 29, 2:50 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 25 min |
| May 29, 3:58 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 62 min |
| May 29, 9:02 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 28 min |
| May 29, 9:22 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 48 min |
| May 29, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 64 min |
| May 31, 5:06 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 54 min |
| May 31, 5:34 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 56 min |
| May 31, 8:22 AM CDT | Severe Thunderstorm Warning | DMX | Bremer, Butler | 68 min |
| May 31, 9:23 AM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 67 min |
| May 31, 10:39 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 66 min |
| May 31, 10:57 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 63 min |
| May 31, 10:59 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 31 min |
| May 31, 11:18 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 42 min |
| May 31, 12:36 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 39 min |
| May 31, 12:50 PM CDT | Flash Flood Warning | DMX | Benton, Linn | 3 hr |
| May 31, 2:51 PM CDT | Flash Flood Warning | DMX | Iowa, Johnson | 3 hr |
| May 31, 2:51 PM CDT | Flash Flood Warning | DMX | Poweshiek | 3 hr |
| Jun 1, 1:45 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 60 min |
| Jun 1, 2:21 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 16 hr |
| Jun 1, 2:33 AM CDT | Flash Flood Warning | FSD | Plymouth | 4 hr |
| Jun 1, 3:13 PM CDT | Tornado Warning | OAX | Pottawattamie | 62 min |
| Jun 1, 3:46 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 59 min |
| Jun 1, 4:16 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 59 min |
| Jun 1, 4:24 PM CDT | Tornado Warning | OAX | Mills | 36 min |
| Jun 1, 4:42 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 63 min |
| Jun 1, 4:50 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jun 1, 5:00 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 60 min |
| Jun 1, 5:05 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 55 min |
| Jun 1, 5:16 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 59 min |
| Jun 1, 5:20 PM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Jun 3, 8:53 PM CDT | Flash Flood Warning | DMX | Emmet | 3 hr |
| Jun 3, 10:59 PM CDT | Flash Flood Warning | DMX | Story | 4 hr |
| Jun 4, 2:21 AM CDT | Flash Flood Warning | DMX | Carroll | 4 hr |
| Jun 4, 3:52 AM CDT | Flash Flood Warning | DMX | Webster | 4 hr |
| Jun 10, 3:43 PM CDT | Tornado Warning | DMX | Tama | 11 min |
| Jun 10, 4:48 PM CDT | Flash Flood Warning | DMX | Polk | 3 hr |
| Jun 10, 5:14 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jun 13, 12:14 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 46 min |
| Jun 14, 1:09 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 51 min |
| Jun 14, 1:20 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 40 min |
| Jun 14, 4:02 AM CDT | Flash Flood Warning | DMX | Cass | 118 min |
| Jun 14, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 41 min |
| Jun 14, 5:12 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 33 min |
| Jun 14, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 47 min |
| Jun 14, 6:02 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 28 min |
| Jun 14, 7:06 PM CDT | Flash Flood Warning | DVN | Clayton | 3 hr |
| Jun 14, 7:24 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 66 min |
| Jun 14, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Chickasaw | 33 min |
| Jun 14, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 68 min |
| Jun 14, 7:52 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 38 min |
| Jun 14, 8:06 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 69 min |
| Jun 14, 8:07 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 68 min |
| Jun 14, 8:24 PM CDT | Tornado Warning | OAX | Pottawattamie | 36 min |
| Jun 14, 8:24 PM CDT | Tornado Warning | OAX | Mills | 36 min |
| Jun 14, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 47 min |
| Jun 14, 8:59 PM CDT | Tornado Warning | OAX | Harrison | 31 min |
| Jun 14, 9:00 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Page | 60 min |
| Jun 14, 9:00 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 60 min |
| Jun 14, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista | 50 min |
| Jun 14, 9:32 PM CDT | Tornado Warning | OAX | Harrison | 43 min |
| Jun 14, 9:37 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 53 min |
| Jun 14, 9:47 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 43 min |
| Jun 14, 10:04 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 41 min |
| Jun 14, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 47 min |
| Jun 14, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 24 min |
| Jun 14, 10:41 PM CDT | Severe Thunderstorm Warning | DMX | Story | 44 min |
| Jun 14, 11:16 PM CDT | Flash Flood Warning | DVN | Clayton | 3 hr |
| Jun 14, 11:26 PM CDT | Flash Flood Warning | DMX | Cerro Gordo, Floyd | 4 hr |
| Jun 14, 11:26 PM CDT | Flash Flood Warning | DMX | Bremer, Chickasaw, Fayette | 4 hr |
| Jun 15, 12:09 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 16 min |
| Jun 15, 12:21 AM CDT | Tornado Warning | DMX | Bremer | 39 min |
| Jun 15, 2:59 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 46 min |
| Jun 18, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Howard | 60 min |
| Jun 18, 8:47 PM CDT | Severe Thunderstorm Warning | DMX | Chickasaw, Fayette, Howard, Winneshiek | 58 min |
| Jun 18, 9:00 PM CDT | Tornado Warning | DMX | Chickasaw | 45 min |
| Jun 21, 2:24 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 36 min |
| Jul 6, 5:26 AM CDT | Severe Thunderstorm Warning | DVN | Mahaska, Poweshiek | 49 min |
| Jul 6, 5:26 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 49 min |
| Jul 7, 3:10 AM CDT | Severe Thunderstorm Warning | DVN | Clayton, Delaware | 35 min |
| Jul 7, 3:35 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 25 min |
| Jul 7, 9:09 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 51 min |
| Jul 7, 9:33 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 27 min |
| Jul 7, 9:42 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 43 min |
| Jul 7, 10:10 AM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 50 min |
| Jul 7, 10:35 AM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Palo Alto, Pocahontas | 40 min |
| Jul 7, 10:35 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 40 min |
| Jul 7, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 40 min |
| Jul 7, 11:08 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 44 min |
| Jul 7, 11:40 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 35 min |
| Jul 7, 11:45 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 24 min |
| Jul 7, 11:57 AM CDT | Severe Thunderstorm Warning | DMX | Butler, Floyd, Mitchell | 33 min |
| Jul 7, 12:29 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Chickasaw | 31 min |
| Jul 7, 12:29 PM CDT | Severe Thunderstorm Warning | DMX | Howard | 31 min |
| Jul 7, 12:53 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee, Fayette | 37 min |
| Jul 7, 1:13 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 32 min |
| Jul 7, 1:15 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 45 min |
| Jul 17, 9:45 PM CDT | Tornado Warning | DMX | Howard | 30 min |
| Jul 20, 12:33 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 42 min |
| Jul 20, 1:20 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 29 min |
| Jul 20, 10:28 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 32 min |
| Jul 21, 11:16 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 59 min |
| Jul 21, 11:19 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 41 min |
| Jul 22, 4:19 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 26 min |
| Jul 22, 6:05 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 40 min |
| Jul 22, 8:58 PM CDT | Tornado Warning | DVN | Des Moines, Henry | 32 min |
| Aug 7, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Aug 7, 5:08 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 52 min |
| Aug 7, 5:38 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 67 min |
| Aug 7, 6:09 PM CDT | Tornado Warning | FSD | Cherokee, Plymouth | 36 min |
| Aug 7, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Clay | 48 min |
| Aug 7, 7:44 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 46 min |
| Aug 7, 7:59 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista | 46 min |
| Aug 11, 6:38 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 35 min |
| Aug 23, 12:59 AM CDT | Severe Thunderstorm Warning | DMX | Clay, Palo Alto | 27 min |
| Aug 23, 2:38 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 67 min |
| Sep 9, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 47 min |
| Sep 9, 5:08 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 37 min |
| Sep 9, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 31 min |
| Sep 9, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 101 min |
| Sep 9, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 66 min |
| Sep 9, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 52 min |
| Sep 9, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 28 min |
| Sep 11, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 34 min |
| Sep 11, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 52 min |
| Sep 11, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 45 min |
| Sep 11, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 31 min |
| Sep 11, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 53 min |
| Sep 12, 3:03 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 29 min |
| Sep 12, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 25 min |
| Sep 12, 3:33 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 42 min |
| Sep 12, 3:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 31 min |
| Sep 12, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 61 min |
| Sep 12, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 31 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Benton | 26 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Tama | 19 min |
| Sep 12, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 49 min |
| Sep 12, 4:57 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 33 min |
| Sep 12, 4:58 PM CDT | Tornado Warning | DMX | Johnson | 32 min |
| Sep 12, 5:01 PM CDT | Tornado Warning | DMX | Linn | 24 min |
| Sep 12, 5:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 57 min |
| Sep 12, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 25 min |
| Sep 12, 5:18 PM CDT | Tornado Warning | DVN | Jones | 27 min |
| Sep 12, 5:42 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 38 min |
| Sep 12, 6:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 40 min |
| Sep 13, 8:37 PM CDT | Tornado Warning | DMX | Winnebago | 38 min |
| Oct 23, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 51 min |
| Oct 23, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 66 min |
| Oct 23, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 51 min |
| Oct 24, 3:45 AM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 29 min |
| Oct 24, 4:02 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 21 min |
| Nov 29, 11:31 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 29 min |
| Dec 11, 5:10 PM CST | Flash Flood Warning | DVN | Scott | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 246 |
| Tornado Warning | 53 |
| Flooding | |
| Flash Flood Warning | 21 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County24
- Harrison County12
- Dubuque County11
- Clayton County11
- Polk County11
- Jones County10
- Story County9
- Delaware County9
- Wright County9
- Marshall County8
- Dallas County8
- Linn County8
- Carroll County7
- Jackson County7
- Shelby County7
- Hamilton County7
- Scott County7
- Bremer County7
- Plymouth County7
- Grundy County6
- Black Hawk County6
- Muscatine County6
- Jasper County6
- Crawford County6
- Buena Vista County6
- Wayne County6
- Benton County6
- Clay County6
- Guthrie County5
- Boone County5
- Hardin County5
- Marion County5
- Lucas County5
- Mahaska County5
- Cerro Gordo County5
- Fayette County5
- Webster County5
- Mills County5
- Chickasaw County5
- Cass County4
57 more counties
- Clinton County4
- Tama County4
- Buchanan County4
- Monroe County4
- Sac County4
- Iowa County4
- Pocahontas County4
- Johnson County4
- Butler County4
- Franklin County4
- Allamakee County4
- Howard County4
- Appanoose County3
- Cedar County3
- Des Moines County3
- Lee County3
- Decatur County3
- Warren County3
- Palo Alto County3
- Woodbury County3
- Greene County3
- Floyd County3
- Cherokee County3
- Taylor County2
- Davis County2
- Henry County2
- Audubon County2
- Louisa County2
- Adair County2
- Ringgold County2
- Clarke County2
- Union County2
- Kossuth County2
- Winneshiek County2
- Hancock County2
- Page County2
- Mitchell County2
- Poweshiek County2
- Montgomery County2
- Emmet County2
- Sioux County2
- O'Brien County2
- Winnebago County2
- Adams County1
- Calhoun County1
- Jefferson County1
- Washington County1
- Keokuk County1
- Worth County1
- Van Buren County1
- Humboldt County1
- Monona County1
- Madison County1
- Dickinson County1
- Osceola County1
- Fremont County1
- Wapello County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.