Alert archive / Iowa / Severe Thunderstorm Warnings / 1990
Severe Thunderstorm Warnings in Iowa, August 1990
33 severe thunderstorm warnings in August 1990. 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 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 33
- Busiest day
- August 29, 199012 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 2, 6:02 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 58 min |
| Aug 2, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Worth | 61 min |
| Aug 9, 10:11 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 34 min |
| Aug 9, 11:44 PM CDT | Severe Thunderstorm Warning | DMX | Story | 31 min |
| Aug 10, 12:49 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 34 min |
| Aug 10, 12:49 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 41 min |
| Aug 18, 8:39 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 21 min |
| Aug 18, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 41 min |
| Aug 19, 4:46 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Polk, Story | 29 min |
| Aug 19, 5:01 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 44 min |
| Aug 19, 5:53 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Wright | 27 min |
| Aug 23, 8:52 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 48 min |
| Aug 23, 9:06 PM CDT | Severe Thunderstorm Warning | FSD | Monona | 69 min |
| Aug 23, 11:06 PM CDT | Severe Thunderstorm Warning | DMX | Clay | 39 min |
| Aug 24, 5:20 PM CDT | Severe Thunderstorm Warning | DMX | Jones | 40 min |
| Aug 24, 5:20 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 40 min |
| Aug 24, 6:48 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 42 min |
| Aug 26, 6:35 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 18 min |
| Aug 26, 6:35 AM CDT | Severe Thunderstorm Warning | DMX | Wright | 30 min |
| Aug 26, 7:04 AM CDT | Severe Thunderstorm Warning | DMX | Wright | 31 min |
| Aug 26, 7:43 AM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 37 min |
| Aug 29, 12:04 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 26 min |
| Aug 29, 12:20 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 40 min |
| Aug 29, 12:26 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa | 34 min |
| Aug 29, 12:39 AM CDT | Severe Thunderstorm Warning | DMX | Wapello | 51 min |
| Aug 29, 12:53 AM CDT | Severe Thunderstorm Warning | DMX | Jefferson | 52 min |
| Aug 29, 1:11 AM CDT | Severe Thunderstorm Warning | DMX | Van Buren | 49 min |
| Aug 29, 1:49 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 41 min |
| Aug 29, 2:31 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 44 min |
| Aug 29, 1:37 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 23 min |
| Aug 29, 5:00 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 45 min |
| Aug 29, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 47 min |
| Aug 29, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Guthrie | 50 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mahaska County4
- Wright County3
- Harrison County2
- Hardin County2
- Story County2
- Boone County2
- Palo Alto County2
- Marion County2
- Wapello County2
- Lee County2
- Worth County1
- Dallas County1
- Emmet County1
- Kossuth County1
- Polk County1
- Clinton County1
- Hancock County1
- Monona County1
- Clay County1
- Jones County1
- Davis County1
- Humboldt County1
- Allamakee County1
- Des Moines County1
- Henry County1
- Louisa County1
- Jefferson County1
- Van Buren County1
- Adair County1
- Guthrie County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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.