Weather alerts in Iowa, 1986
263 weather alerts in 1986, 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 1986. Tap one for its archive.
- Alerts
- 263
- Warnings
- 263
- Watches
- 0
- Advisories
- 0
- Busiest month
- July98 alerts
- Busiest day
- July 29, 198637 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, 5:14 PM CST | Severe Thunderstorm Warning | DMX | Jasper | 46 min |
| Apr 4, 4:00 PM CST | Tornado Warning | DMX | Sac | 40 min |
| Apr 4, 4:40 PM CST | Tornado Warning | DMX | Sac | 15 min |
| Apr 4, 6:42 PM CST | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 48 min |
| Apr 4, 7:19 PM CST | Severe Thunderstorm Warning | DMX | Calhoun, Greene | 41 min |
| Apr 4, 7:40 PM CST | Severe Thunderstorm Warning | DMX | Webster | 25 min |
| Apr 24, 10:37 PM CST | Severe Thunderstorm Warning | DMX | Madison, Warren | 33 min |
| Apr 24, 11:07 PM CST | Severe Thunderstorm Warning | DMX | Warren | 38 min |
| Apr 24, 11:39 PM CST | Severe Thunderstorm Warning | DMX | Marion | 36 min |
| Apr 25, 1:17 AM CST | Severe Thunderstorm Warning | DMX | Keokuk, Mahaska, Wapello | 58 min |
| Apr 25, 4:24 PM CST | Severe Thunderstorm Warning | DMX | Floyd | 41 min |
| Apr 25, 4:42 PM CST | Severe Thunderstorm Warning | DMX | Allamakee | 53 min |
| Apr 26, 6:23 PM CST | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 67 min |
| Apr 26, 6:38 PM CST | Tornado Warning | FSD | Lyon, Osceola | 37 min |
| Apr 26, 6:46 PM CST | Tornado Warning | FSD | Lyon, Osceola | 29 min |
| Apr 26, 6:55 PM CST | Tornado Warning | FSD | Lyon, Osceola | 35 min |
| Apr 26, 7:58 PM CST | Severe Thunderstorm Warning | FSD | Osceola | 62 min |
| Apr 26, 8:01 PM CST | Severe Thunderstorm Warning | FSD | Monona | 59 min |
| Apr 26, 8:12 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Apr 26, 8:41 PM CST | Severe Thunderstorm Warning | DMX | Sac | 34 min |
| Apr 26, 8:45 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 25 min |
| Apr 26, 9:15 PM CST | Severe Thunderstorm Warning | DMX | Sac | 30 min |
| Apr 26, 9:45 PM CST | Severe Thunderstorm Warning | DMX | Sac | 45 min |
| Apr 29, 3:33 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 27 min |
| Apr 29, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 39 min |
| Apr 29, 5:23 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 37 min |
| Apr 29, 6:08 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Iowa | 32 min |
| Apr 29, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 35 min |
| Apr 29, 7:00 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 35 min |
| Apr 29, 10:45 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 30 min |
| Apr 29, 10:56 PM CDT | Severe Thunderstorm Warning | DMX | Iowa, Poweshiek | 44 min |
| Apr 30, 1:02 AM CDT | Severe Thunderstorm Warning | DMX | Adams, Union | 53 min |
| Apr 30, 7:06 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 59 min |
| Apr 30, 7:59 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 56 min |
| Apr 30, 8:03 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 27 min |
| Apr 30, 8:20 AM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 40 min |
| Apr 30, 8:20 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll | 20 min |
| Apr 30, 9:03 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 24 min |
| Apr 30, 7:59 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 56 min |
| May 6, 12:12 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 18 min |
| May 8, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 45 min |
| May 8, 3:15 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 45 min |
| May 8, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 42 min |
| May 8, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 44 min |
| May 8, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 28 min |
| May 8, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 32 min |
| May 8, 4:44 PM CDT | Tornado Warning | DMX | Polk | 36 min |
| May 8, 5:04 PM CDT | Tornado Warning | DMX | Jasper | 16 min |
| May 8, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Lee | 30 min |
| May 8, 6:07 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 43 min |
| May 9, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 29 min |
| May 9, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 28 min |
| May 9, 7:09 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 21 min |
| May 9, 7:15 PM CDT | Tornado Warning | DMX | Dallas, Polk | 30 min |
| May 9, 7:45 PM CDT | Tornado Warning | DMX | Dallas, Polk | 30 min |
| May 9, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 37 min |
| May 9, 7:58 PM CDT | Tornado Warning | DMX | Webster | 32 min |
| May 9, 8:16 PM CDT | Tornado Warning | DMX | Dallas, Polk | 44 min |
| May 9, 8:29 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 3 hr |
| May 9, 8:47 PM CDT | Tornado Warning | DMX | Boone | 43 min |
| May 9, 9:02 PM CDT | Tornado Warning | DMX | Dallas, Polk | 28 min |
| May 9, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 22 min |
| May 10, 1:22 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 53 min |
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 60 min |
| May 12, 4:18 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 57 min |
| May 12, 4:35 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 40 min |
| May 12, 5:07 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 68 min |
| May 12, 5:15 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 30 min |
| May 12, 5:15 PM CDT | Tornado Warning | OAX | Pottawattamie | 30 min |
| May 12, 5:36 PM CDT | Tornado Warning | OAX | Mills | 39 min |
| May 12, 5:50 PM CDT | Severe Thunderstorm Warning | DMX | Clay, Dickinson | 40 min |
| May 12, 5:50 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 55 min |
| May 12, 6:05 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 55 min |
| May 12, 6:10 PM CDT | Tornado Warning | OAX | Harrison | 35 min |
| May 12, 6:30 PM CDT | Tornado Warning | OAX | Mills | 30 min |
| May 12, 6:31 PM CDT | Severe Thunderstorm Warning | DMX | Buena Vista, Clay | 24 min |
| May 12, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 60 min |
| May 12, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 61 min |
| May 12, 7:10 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 65 min |
| May 12, 7:20 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 23 min |
| May 12, 7:31 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 59 min |
| May 12, 7:36 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 69 min |
| May 12, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 52 min |
| May 12, 9:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 50 min |
| May 13, 12:36 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Wapello | 39 min |
| Jun 4, 3:36 PM CDT | Flash Flood Warning | DVN | Des Moines, Louisa | 114 min |
| Jun 10, 7:02 PM CDT | Tornado Warning | FSD | O'Brien | 28 min |
| Jun 10, 11:14 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 31 min |
| Jun 10, 11:26 PM CDT | Severe Thunderstorm Warning | DMX | Washington | 14 min |
| Jun 14, 2:44 AM CDT | Flash Flood Warning | OAX | Harrison | 4 hr |
| Jun 15, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell, Worth | 62 min |
| Jun 20, 2:41 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 64 min |
| Jun 21, 4:26 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 34 min |
| Jun 21, 5:31 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 44 min |
| Jun 22, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 58 min |
| Jun 22, 12:35 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 55 min |
| Jun 22, 1:05 AM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 35 min |
| Jun 28, 5:03 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 42 min |
| Jun 28, 5:33 AM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 37 min |
| Jun 28, 8:36 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 49 min |
| Jun 28, 9:01 AM CDT | Severe Thunderstorm Warning | DMX | Hancock | 59 min |
| Jun 28, 12:38 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 22 min |
| Jun 28, 12:53 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 47 min |
| Jun 28, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 33 min |
| Jun 29, 5:14 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 46 min |
| Jun 29, 6:17 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 58 min |
| Jun 29, 7:30 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 45 min |
| Jun 29, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 49 min |
| Jun 29, 9:00 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 45 min |
| Jun 29, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 68 min |
| Jun 29, 9:46 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 29 min |
| Jun 29, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 40 min |
| Jun 29, 10:18 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 42 min |
| Jun 29, 10:25 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 6 hr |
| Jun 29, 11:50 PM CDT | Tornado Warning | DMX | Polk | 25 min |
| Jun 30, 1:12 AM CDT | Severe Thunderstorm Warning | DMX | Iowa, Poweshiek | 48 min |
| Jun 30, 3:45 AM CDT | Flash Flood Warning | DMX | Polk | 6 hr |
| Jul 5, 6:35 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 55 min |
| Jul 8, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 55 min |
| Jul 8, 6:39 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 51 min |
| Jul 8, 6:57 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 33 min |
| Jul 8, 7:08 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 37 min |
| Jul 8, 7:28 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 36 min |
| Jul 8, 7:35 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 25 min |
| Jul 8, 8:25 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 22 min |
| Jul 8, 8:51 PM CDT | Flash Flood Warning | DVN | Cedar, Clinton, Scott | 3 hr |
| Jul 8, 9:05 PM CDT | Tornado Warning | DMX | Poweshiek | 25 min |
| Jul 8, 9:20 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 40 min |
| Jul 8, 9:39 PM CDT | Tornado Warning | DMX | Ringgold, Taylor | 26 min |
| Jul 8, 10:31 PM CDT | Tornado Warning | DMX | Decatur | 29 min |
| Jul 8, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Monroe | 30 min |
| Jul 10, 9:30 PM CDT | Flash Flood Warning | DVN | Muscatine, Scott | 60 min |
| Jul 12, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 64 min |
| Jul 12, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 26 min |
| Jul 12, 1:29 AM CDT | Severe Thunderstorm Warning | DMX | Clarke | 46 min |
| Jul 13, 7:44 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 61 min |
| Jul 13, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 65 min |
| Jul 13, 7:57 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 63 min |
| Jul 13, 8:25 PM CDT | Tornado Warning | DMX | Cass | 55 min |
| Jul 13, 9:19 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 56 min |
| Jul 13, 9:40 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 35 min |
| Jul 13, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 32 min |
| Jul 13, 10:20 PM CDT | Tornado Warning | DMX | Audubon, Cass | 30 min |
| Jul 13, 10:36 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 39 min |
| Jul 13, 10:41 PM CDT | Flash Flood Warning | DMX | Adair | 89 min |
| Jul 13, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union | 36 min |
| Jul 13, 11:40 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 60 min |
| Jul 14, 12:15 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Wayne | 45 min |
| Jul 14, 12:58 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 62 min |
| Jul 14, 3:00 AM CDT | Severe Thunderstorm Warning | DMX | Adair | 30 min |
| Jul 14, 9:18 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 42 min |
| Jul 15, 12:05 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 35 min |
| Jul 15, 12:11 PM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 29 min |
| Jul 19, 5:04 AM CDT | Severe Thunderstorm Warning | DMX | Buena Vista | 41 min |
| Jul 19, 5:35 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 40 min |
| Jul 19, 5:57 PM CDT | Tornado Warning | DVN | Des Moines, Henry | 43 min |
| Jul 24, 6:30 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 60 min |
| Jul 24, 7:17 PM CDT | Severe Thunderstorm Warning | FSD | Monona | 58 min |
| Jul 24, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 26 min |
| Jul 24, 7:33 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 57 min |
| Jul 24, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 26 min |
| Jul 24, 9:55 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 35 min |
| Jul 24, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 27 min |
| Jul 24, 11:42 PM CDT | Severe Thunderstorm Warning | DMX | Iowa, Johnson, Linn | 33 min |
| Jul 27, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 44 min |
| Jul 27, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Howard, Winneshiek | 48 min |
| Jul 27, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 48 min |
| Jul 27, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Floyd | 62 min |
| Jul 27, 9:13 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 62 min |
| Jul 27, 9:32 PM CDT | Severe Thunderstorm Warning | DMX | Bremer, Chickasaw | 58 min |
| Jul 28, 6:24 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 66 min |
| Jul 28, 6:28 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 62 min |
| Jul 28, 6:51 PM CDT | Tornado Warning | FSD | Woodbury | 39 min |
| Jul 28, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 62 min |
| Jul 28, 7:03 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 57 min |
| Jul 28, 7:03 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 57 min |
| Jul 28, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 63 min |
| Jul 28, 7:16 PM CDT | Tornado Warning | FSD | Sioux | 29 min |
| Jul 28, 7:22 PM CDT | Tornado Warning | FSD | Woodbury | 38 min |
| Jul 28, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 61 min |
| Jul 28, 7:43 PM CDT | Tornado Warning | FSD | O'Brien | 62 min |
| Jul 28, 7:48 PM CDT | Tornado Warning | DMX | Clay | 32 min |
| Jul 28, 7:57 PM CDT | Tornado Warning | DMX | Buena Vista, Pocahontas | 58 min |
| Jul 28, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 58 min |
| Jul 28, 8:03 PM CDT | Tornado Warning | FSD | Monona, Woodbury | 27 min |
| Jul 28, 8:07 PM CDT | Tornado Warning | DMX | Buena Vista | 48 min |
| Jul 28, 8:18 PM CDT | Tornado Warning | FSD | Cherokee | 47 min |
| Jul 28, 8:34 PM CDT | Tornado Warning | FSD | Monona | 26 min |
| Jul 28, 8:51 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 64 min |
| Jul 28, 9:02 PM CDT | Severe Thunderstorm Warning | FSD | Monona | 58 min |
| Jul 28, 9:10 PM CDT | Tornado Warning | DMX | Crawford | 20 min |
| Jul 28, 9:22 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 58 min |
| Jul 28, 9:34 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 56 min |
| Jul 28, 9:48 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 42 min |
| Jul 28, 9:48 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Hamilton | 42 min |
| Jul 28, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 46 min |
| Jul 28, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 46 min |
| Jul 28, 10:27 PM CDT | Tornado Warning | DMX | Jasper, Polk | 53 min |
| Jul 28, 10:31 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 49 min |
| Jul 28, 10:31 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 49 min |
| Jul 28, 10:46 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 54 min |
| Jul 28, 10:54 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 46 min |
| Jul 28, 11:16 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Monroe | 44 min |
| Jul 28, 11:16 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 44 min |
| Jul 28, 11:22 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 98 min |
| Jul 28, 11:38 PM CDT | Tornado Warning | DMX | Adair, Union | 97 min |
| Jul 28, 11:47 PM CDT | Severe Thunderstorm Warning | DMX | Keokuk, Wapello | 43 min |
| Jul 28, 11:47 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis | 43 min |
| Jul 29, 12:10 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Van Buren | 50 min |
| Jul 29, 12:43 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 47 min |
| Jul 29, 12:50 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 55 min |
| Jul 30, 10:54 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 66 min |
| Jul 30, 11:15 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 37 min |
| Jul 30, 11:26 PM CDT | Tornado Warning | OAX | Montgomery | 34 min |
| Jul 31, 12:05 AM CDT | Tornado Warning | DMX | Taylor | 40 min |
| Aug 1, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 59 min |
| Aug 1, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 62 min |
| Aug 7, 7:08 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 27 min |
| Aug 13, 9:28 AM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 3 hr |
| Aug 13, 12:13 PM CDT | Flash Flood Warning | DMX | Dallas, Polk | 3 hr |
| Aug 17, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 65 min |
| Aug 17, 12:30 AM CDT | Severe Thunderstorm Warning | FSD | Monona | 60 min |
| Aug 17, 1:17 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 38 min |
| Sep 10, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 30 min |
| Sep 10, 6:00 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 45 min |
| Sep 18, 7:05 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 20 min |
| Sep 18, 7:32 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 48 min |
| Sep 19, 1:00 AM CDT | Flash Flood Warning | DMX | Ringgold | 3 hr |
| Sep 19, 8:06 AM CDT | Flash Flood Warning | DMX | Lucas | 4 hr |
| Sep 20, 7:16 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 44 min |
| Sep 20, 7:39 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 36 min |
| Sep 20, 8:17 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 28 min |
| Sep 20, 8:42 AM CDT | Severe Thunderstorm Warning | DMX | Hardin, Story | 28 min |
| Sep 20, 10:52 AM CDT | Severe Thunderstorm Warning | DMX | Iowa, Poweshiek | 28 min |
| Sep 20, 11:06 AM CDT | Flash Flood Warning | DMX | Marion | 114 min |
| Sep 20, 11:06 AM CDT | Flash Flood Warning | DMX | Iowa, Keokuk, Mahaska, Poweshiek | 114 min |
| Sep 22, 11:32 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 58 min |
| Sep 22, 2:54 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 66 min |
| Sep 22, 2:55 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 55 min |
| Sep 22, 3:37 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 53 min |
| Sep 22, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 50 min |
| Sep 22, 3:53 PM CDT | Severe Thunderstorm Warning | OAX | Page | 67 min |
| Sep 22, 3:55 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 65 min |
| Sep 22, 4:33 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Union | 41 min |
| Sep 26, 6:56 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 44 min |
| Sep 26, 7:06 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock | 54 min |
| Sep 26, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Hardin | 28 min |
| Sep 26, 8:17 PM CDT | Tornado Warning | DMX | Hamilton, Hardin | 28 min |
| Sep 26, 8:47 PM CDT | Tornado Warning | DMX | Webster, Wright | 23 min |
| Sep 28, 5:24 PM CDT | Tornado Warning | FSD | Sioux | 36 min |
| Sep 28, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 63 min |
| Sep 28, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 30 min |
| Sep 28, 5:51 PM CDT | Tornado Warning | DMX | Jasper, Marshall | 24 min |
| Sep 28, 6:05 PM CDT | Severe Thunderstorm Warning | FSD | Osceola, Sioux | 55 min |
| Sep 28, 6:18 PM CDT | Tornado Warning | DMX | Jasper | 22 min |
| Sep 28, 6:56 PM CDT | Tornado Warning | DMX | Tama | 34 min |
| Sep 28, 7:12 PM CDT | Tornado Warning | DMX | Clay | 33 min |
| Sep 28, 7:15 PM CDT | Tornado Warning | DMX | Webster | 30 min |
| Sep 28, 7:25 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 35 min |
| Sep 28, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 34 min |
| Sep 28, 8:34 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 26 min |
| Sep 28, 8:51 PM CDT | Tornado Warning | DMX | Polk | 29 min |
| Sep 28, 9:17 PM CDT | Tornado Warning | DMX | Jasper | 33 min |
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 | 198 |
| Tornado Warning | 51 |
| Flooding | |
| Flash Flood Warning | 14 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County19
- Harrison County14
- Dallas County13
- Pottawattamie County12
- Lyon County11
- Osceola County11
- Sioux County9
- Woodbury County8
- Cass County8
- Clarke County8
- Jasper County7
- Guthrie County7
- Poweshiek County7
- Mills County7
- Clay County7
- Adair County7
- Greene County6
- Webster County6
- Monona County6
- Iowa County6
- Decatur County6
- Lucas County6
- Taylor County6
- Dickinson County6
- Sac County5
- Warren County5
- Marion County5
- Mahaska County5
- Crawford County5
- Union County5
- O'Brien County5
- Hamilton County5
- Calhoun County4
- Madison County4
- Wapello County4
- Marshall County4
- Audubon County4
- Appanoose County4
- Wayne County4
- Monroe County4
50 more counties
- Ringgold County4
- Buena Vista County4
- Pocahontas County4
- Scott County4
- Keokuk County3
- Linn County3
- Jones County3
- Montgomery County3
- Adams County3
- Carroll County3
- Lee County3
- Henry County3
- Des Moines County3
- Plymouth County3
- Shelby County3
- Hardin County3
- Floyd County2
- Allamakee County2
- Tama County2
- Benton County2
- Davis County2
- Boone County2
- Fremont County2
- Page County2
- Jefferson County2
- Louisa County2
- Kossuth County2
- Hancock County2
- Cedar County2
- Clinton County2
- Muscatine County2
- Cherokee County2
- Story County2
- Washington County1
- Mitchell County1
- Worth County1
- Emmet County1
- Black Hawk County1
- Winnebago County1
- Johnson County1
- Howard County1
- Winneshiek County1
- Clayton County1
- Bremer County1
- Chickasaw County1
- Van Buren County1
- Dubuque County1
- Humboldt County1
- Cerro Gordo County1
- Wright County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.