Alert archive / Iowa / Severe Thunderstorm Warnings / 1998
Severe Thunderstorm Warnings in Iowa, July 1998
58 severe thunderstorm warnings in July 1998. 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 July 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 58
- Busiest day
- July 15, 199815 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 |
|---|---|---|---|---|
| Jul 2, 9:00 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Jul 3, 7:24 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 31 min |
| Jul 6, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 48 min |
| Jul 6, 6:16 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 64 min |
| Jul 6, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 32 min |
| Jul 6, 6:55 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Jul 6, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 35 min |
| Jul 6, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 36 min |
| Jul 6, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Story | 35 min |
| Jul 6, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 46 min |
| Jul 6, 9:45 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 45 min |
| Jul 6, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 35 min |
| Jul 6, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 33 min |
| Jul 7, 3:59 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 61 min |
| Jul 7, 5:02 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 88 min |
| Jul 15, 12:57 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 33 min |
| Jul 15, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 32 min |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Pocahontas, Webster | 64 min |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Wright | 64 min |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Worth | 64 min |
| Jul 15, 2:05 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 60 min |
| Jul 15, 2:05 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 60 min |
| Jul 15, 2:22 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 63 min |
| Jul 15, 2:22 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 63 min |
| Jul 15, 2:30 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 65 min |
| Jul 15, 2:32 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 63 min |
| Jul 15, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie, Polk | 64 min |
| Jul 15, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Story | 64 min |
| Jul 15, 3:02 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 63 min |
| Jul 15, 3:33 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 62 min |
| Jul 18, 9:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 34 min |
| Jul 18, 9:45 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 45 min |
| Jul 18, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 33 min |
| Jul 18, 10:23 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 32 min |
| Jul 18, 10:41 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 29 min |
| Jul 18, 10:52 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 33 min |
| Jul 18, 11:07 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Pocahontas | 33 min |
| Jul 18, 11:23 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 17 min |
| Jul 18, 11:34 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Pocahontas | 31 min |
| Jul 19, 2:12 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 48 min |
| Jul 20, 4:38 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 62 min |
| Jul 21, 6:16 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 44 min |
| Jul 21, 6:40 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 20 min |
| Jul 21, 6:43 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 32 min |
| Jul 21, 6:43 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 52 min |
| Jul 21, 7:03 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 47 min |
| Jul 21, 7:07 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 48 min |
| Jul 21, 7:26 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 34 min |
| Jul 21, 7:30 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 30 min |
| Jul 21, 7:49 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 31 min |
| Jul 21, 8:00 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 35 min |
| Jul 21, 8:13 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 32 min |
| Jul 21, 8:13 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 32 min |
| Jul 21, 9:00 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 50 min |
| Jul 21, 9:18 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 37 min |
| Jul 21, 9:09 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 46 min |
| Jul 21, 9:54 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 51 min |
| Jul 21, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County4
- Polk County4
- Pocahontas County4
- Crawford County3
- Dallas County3
- Clay County3
- O'Brien County3
- Humboldt County3
- Shelby County3
- Emmet County3
- Palo Alto County3
- Kossuth County3
- Woodbury County2
- Monona County2
- Guthrie County2
- Story County2
- Jasper County2
- Marion County2
- Allamakee County2
- Clayton County2
- Buena Vista County2
- Hancock County2
- Wright County2
- Hamilton County2
- Pottawattamie County2
- Sioux County2
- Dickinson County2
- Cherokee County2
- Warren County1
- Calhoun County1
- Webster County1
- Cerro Gordo County1
- Worth County1
- Carroll County1
- Greene County1
- Hardin County1
- Boone County1
- Harrison County1
- Osceola County1
- Plymouth County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.