Alert archive / Iowa / Severe Thunderstorm Warnings / 1989
Severe Thunderstorm Warnings in Iowa, August 1989
59 severe thunderstorm warnings in August 1989. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 59
- Busiest day
- August 5, 198939 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 4, 5:17 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 43 min |
| Aug 4, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Clayton, Delaware | 68 min |
| Aug 4, 6:32 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 28 min |
| Aug 4, 7:03 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 57 min |
| Aug 4, 7:33 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 27 min |
| Aug 4, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Winneshiek | 48 min |
| Aug 4, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Chickasaw | 51 min |
| Aug 4, 9:10 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 65 min |
| Aug 4, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 50 min |
| Aug 4, 9:44 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 56 min |
| Aug 4, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 54 min |
| Aug 4, 11:26 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 34 min |
| Aug 4, 11:41 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 34 min |
| Aug 5, 4:20 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 25 min |
| Aug 5, 4:49 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 56 min |
| Aug 5, 4:49 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 26 min |
| Aug 5, 6:45 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 60 min |
| Aug 5, 6:45 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 60 min |
| Aug 5, 6:55 AM CDT | Severe Thunderstorm Warning | FSD | Monona | 65 min |
| Aug 5, 7:04 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 41 min |
| Aug 5, 7:26 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 59 min |
| Aug 5, 7:35 AM CDT | Severe Thunderstorm Warning | FSD | Ida | 55 min |
| Aug 5, 7:36 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 49 min |
| Aug 5, 8:00 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 45 min |
| Aug 5, 8:09 AM CDT | Severe Thunderstorm Warning | DMX | Carroll | 51 min |
| Aug 5, 8:21 AM CDT | Severe Thunderstorm Warning | DMX | Greene, Guthrie | 39 min |
| Aug 5, 8:41 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 44 min |
| Aug 5, 8:55 AM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 50 min |
| Aug 5, 8:55 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 50 min |
| Aug 5, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion | 40 min |
| Aug 5, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Marshall | 40 min |
| Aug 5, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek, Tama | 54 min |
| Aug 5, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 33 min |
| Aug 5, 10:22 AM CDT | Severe Thunderstorm Warning | DMX | Benton, Iowa | 68 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Keokuk | 55 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Johnson, Linn | 43 min |
| Aug 5, 10:50 AM CDT | Severe Thunderstorm Warning | DMX | Washington | 43 min |
| Aug 5, 11:07 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 68 min |
| Aug 5, 11:09 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 66 min |
| Aug 5, 11:43 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 32 min |
| Aug 5, 11:44 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 46 min |
| Aug 5, 11:44 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 46 min |
| Aug 13, 3:07 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 53 min |
| Aug 13, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 25 min |
| Aug 13, 4:22 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 38 min |
| Aug 21, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Aug 22, 6:54 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 36 min |
| Aug 22, 6:59 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 61 min |
| Aug 22, 7:53 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Aug 22, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 30 min |
| Aug 26, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene, Guthrie | 60 min |
| Aug 26, 4:42 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 48 min |
| Aug 26, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 37 min |
| Aug 26, 8:33 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 42 min |
| Aug 26, 9:06 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 54 min |
| Aug 26, 9:26 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 49 min |
| Aug 26, 10:00 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 45 min |
| Aug 26, 10:45 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 30 min |
| Aug 31, 8:53 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson, Van Buren, Wapello | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County3
- Dubuque County3
- Sioux County3
- Fayette County2
- Clayton County2
- Jackson County2
- Plymouth County2
- Carroll County2
- Greene County2
- Guthrie County2
- Dallas County2
- Jasper County2
- Marshall County2
- Muscatine County2
- Pocahontas County2
- Lyon County2
- Ringgold County2
- Winneshiek County1
- Chickasaw County1
- Fremont County1
- Mills County1
- Bremer County1
- Buchanan County1
- Woodbury County1
- Monona County1
- Humboldt County1
- Harrison County1
- Ida County1
- Shelby County1
- Crawford County1
- Boone County1
- Polk County1
- Story County1
- Warren County1
- Marion County1
- Poweshiek County1
- Tama County1
- Benton County1
- Iowa County1
- Keokuk County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19881990
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.