Alert archive / Iowa / Severe Thunderstorm Warnings / 1998
Severe Thunderstorm Warnings in Iowa, August 1998
34 severe thunderstorm warnings in August 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 August 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 34
- Busiest day
- August 24, 199816 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 3, 5:10 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 35 min |
| Aug 3, 6:00 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 35 min |
| Aug 4, 1:41 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 34 min |
| Aug 4, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 30 min |
| Aug 10, 3:06 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 34 min |
| Aug 14, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 31 min |
| Aug 14, 10:00 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 65 min |
| Aug 14, 11:38 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 32 min |
| Aug 14, 11:41 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 64 min |
| Aug 20, 5:01 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 44 min |
| Aug 20, 5:32 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills | 63 min |
| Aug 20, 5:33 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 62 min |
| Aug 20, 6:28 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 62 min |
| Aug 20, 6:38 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 62 min |
| Aug 20, 11:59 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 46 min |
| Aug 24, 8:01 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 34 min |
| Aug 24, 8:07 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 48 min |
| Aug 24, 8:14 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 46 min |
| Aug 24, 8:34 AM CDT | Severe Thunderstorm Warning | DMX | Wright | 36 min |
| Aug 24, 8:36 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 49 min |
| Aug 24, 8:56 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 49 min |
| Aug 24, 9:02 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 33 min |
| Aug 24, 9:19 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 61 min |
| Aug 24, 9:20 AM CDT | Severe Thunderstorm Warning | DMX | Wright | 35 min |
| Aug 24, 9:27 AM CDT | Severe Thunderstorm Warning | DMX | Butler | 33 min |
| Aug 24, 9:37 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 33 min |
| Aug 24, 9:54 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 36 min |
| Aug 24, 10:16 AM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 64 min |
| Aug 24, 10:35 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 65 min |
| Aug 24, 11:12 AM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 48 min |
| Aug 24, 11:39 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 46 min |
| Aug 24, 10:19 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jackson, Jones | 66 min |
| Aug 31, 12:40 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
| Aug 31, 1:25 AM CDT | Severe Thunderstorm Warning | OAX | Monona | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Monona County5
- Wapello County2
- Black Hawk County2
- Harrison County2
- Sioux County2
- Mills County2
- Wright County2
- Dubuque County2
- Jackson County2
- Marshall County1
- Mahaska County1
- Warren County1
- Crawford County1
- Ida County1
- Plymouth County1
- Fremont County1
- Cherokee County1
- O'Brien County1
- Pottawattamie County1
- Clay County1
- Dickinson County1
- Emmet County1
- Palo Alto County1
- Kossuth County1
- Franklin County1
- Humboldt County1
- Lyon County1
- Butler County1
- Grundy County1
- Buchanan County1
- Delaware County1
- Jones 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.