Alert archive / Iowa / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Iowa, 1988
108 severe thunderstorm warnings in 1988. 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 1988. Tap one for its archive.
- Severe Thunderstorm Warnings
- 108
- Busiest month
- May44 severe thunderstorm warnings
- Busiest day
- May 8, 198834 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 24, 3:14 PM CST | Severe Thunderstorm Warning | DMX | Warren | 26 min |
| Mar 24, 3:47 PM CST | Severe Thunderstorm Warning | DMX | Floyd, Howard, Mitchell | 28 min |
| Mar 24, 4:21 PM CST | Severe Thunderstorm Warning | DMX | Jasper | 19 min |
| Mar 24, 4:21 PM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 39 min |
| Mar 24, 4:53 PM CST | Severe Thunderstorm Warning | DMX | Benton, Tama | 25 min |
| Mar 24, 6:07 PM CST | Severe Thunderstorm Warning | DMX | Winneshiek | 38 min |
| Apr 2, 4:06 PM CST | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 69 min |
| Apr 2, 5:55 PM CST | Severe Thunderstorm Warning | DVN | Jackson | 65 min |
| Apr 2, 6:02 PM CST | Severe Thunderstorm Warning | DVN | Clinton | 43 min |
| May 7, 3:27 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 33 min |
| May 7, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 30 min |
| May 7, 8:14 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 61 min |
| May 7, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 25 min |
| May 7, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 40 min |
| May 7, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 40 min |
| May 7, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 35 min |
| May 7, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 20 min |
| May 7, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 44 min |
| May 7, 9:34 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 26 min |
| May 8, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 43 min |
| May 8, 12:04 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 56 min |
| May 8, 12:07 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 38 min |
| May 8, 12:22 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola, Sioux | 53 min |
| May 8, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| May 8, 4:38 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 37 min |
| May 8, 9:42 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 33 min |
| May 8, 10:26 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 34 min |
| May 8, 11:08 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 52 min |
| May 8, 11:20 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 70 min |
| May 8, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 49 min |
| May 8, 11:44 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 61 min |
| May 8, 12:25 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 65 min |
| May 8, 12:34 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 41 min |
| May 8, 12:43 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 32 min |
| May 8, 12:55 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 50 min |
| May 8, 12:58 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 47 min |
| May 8, 12:58 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 62 min |
| May 8, 1:24 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 36 min |
| May 8, 1:25 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 35 min |
| May 8, 1:40 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 50 min |
| May 8, 2:23 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan, Fayette | 42 min |
| May 8, 3:34 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 41 min |
| May 8, 3:34 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Louisa | 41 min |
| May 8, 4:34 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 26 min |
| May 19, 6:12 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 63 min |
| May 19, 6:20 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 40 min |
| May 19, 6:36 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 69 min |
| May 20, 1:23 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 22 min |
| May 20, 2:36 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 39 min |
| May 20, 2:46 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 59 min |
| May 20, 6:24 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 51 min |
| May 30, 5:47 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 28 min |
| May 31, 1:42 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 48 min |
| Jun 19, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Dickinson | 56 min |
| Jul 9, 8:33 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 27 min |
| Jul 10, 11:53 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 37 min |
| Jul 15, 5:31 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 59 min |
| Jul 15, 5:56 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 39 min |
| Jul 15, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 45 min |
| Jul 15, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 41 min |
| Jul 15, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Page | 34 min |
| Jul 24, 3:38 PM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 52 min |
| Jul 24, 4:40 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 65 min |
| Jul 24, 6:02 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene | 43 min |
| Jul 24, 6:10 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 35 min |
| Jul 24, 7:06 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 41 min |
| Jul 24, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 37 min |
| Jul 24, 8:13 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 47 min |
| Aug 4, 4:15 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 60 min |
| Aug 4, 6:06 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 54 min |
| Aug 4, 7:27 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 27 min |
| Aug 8, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 40 min |
| Aug 8, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 45 min |
| Aug 8, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 15 min |
| Aug 8, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Aug 8, 4:24 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 36 min |
| Aug 8, 4:39 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 51 min |
| Aug 8, 4:58 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine, Scott | 32 min |
| Aug 8, 5:05 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 53 min |
| Aug 8, 5:30 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 45 min |
| Aug 8, 5:49 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 26 min |
| Aug 8, 5:58 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 32 min |
| Aug 8, 6:52 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 38 min |
| Aug 18, 3:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 45 min |
| Aug 18, 3:15 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 40 min |
| Aug 18, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Linn | 25 min |
| Aug 18, 6:58 PM CDT | Severe Thunderstorm Warning | DMX | Benton, Linn | 17 min |
| Aug 18, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 26 min |
| Aug 18, 7:59 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 46 min |
| Aug 21, 11:56 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 64 min |
| Aug 22, 12:56 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien, Plymouth | 64 min |
| Aug 22, 1:31 AM CDT | Severe Thunderstorm Warning | DMX | Pocahontas, Webster | 29 min |
| Aug 22, 2:04 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 56 min |
| Aug 22, 2:28 AM CDT | Severe Thunderstorm Warning | FSD | Monona | 62 min |
| Aug 22, 3:07 AM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 68 min |
| Aug 22, 3:44 AM CDT | Severe Thunderstorm Warning | DMX | Webster | 31 min |
| Aug 22, 12:50 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 55 min |
| Aug 22, 2:23 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 52 min |
| Aug 22, 2:46 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 37 min |
| Aug 22, 2:48 PM CDT | Severe Thunderstorm Warning | OAX | Page | 28 min |
| Aug 22, 3:39 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur | 51 min |
| Sep 2, 7:00 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 60 min |
| Sep 2, 7:51 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 69 min |
| Sep 2, 8:04 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk | 56 min |
| Oct 22, 6:30 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 30 min |
| Oct 22, 7:50 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 55 min |
| Nov 15, 8:23 PM CST | Severe Thunderstorm Warning | DMX | Linn | 25 min |
| Nov 15, 8:35 PM CST | Severe Thunderstorm Warning | DVN | Delaware | 55 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County9
- Cedar County7
- Crawford County6
- Mills County6
- Woodbury County5
- Scott County5
- Linn County5
- Benton County4
- Tama County4
- Muscatine County4
- Clinton County4
- Sac County4
- Clarke County4
- Warren County3
- Poweshiek County3
- Marion County3
- Harrison County3
- Calhoun County3
- Sioux County3
- Jasper County2
- Winneshiek County2
- Pocahontas County2
- Humboldt County2
- O'Brien County2
- Ringgold County2
- Taylor County2
- Madison County2
- Polk County2
- Lucas County2
- Jones County2
- Montgomery County2
- Cass County2
- Adair County2
- Page County2
- Ida County2
- Carroll County2
- Union County2
- Webster County2
- Floyd County1
- Howard County1
29 more counties
- Mitchell County1
- Jackson County1
- Emmet County1
- Lyon County1
- Osceola County1
- Franklin County1
- Cerro Gordo County1
- Marshall County1
- Black Hawk County1
- Bremer County1
- Buchanan County1
- Fayette County1
- Henry County1
- Louisa County1
- Dickinson County1
- Grundy County1
- Fremont County1
- Greene County1
- Audubon County1
- Dubuque County1
- Appanoose County1
- Wayne County1
- Cherokee County1
- Plymouth County1
- Monona County1
- Decatur County1
- Boone County1
- Mahaska County1
- Delaware County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19871989
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.