Alert archive / Iowa / Flash Flood Warnings
Flash Flood Warnings in Iowa, 1998
55 flash flood warnings in 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 1998. Tap one for its archive.
- Flash Flood Warnings
- 55
- Busiest month
- June39 flash flood warnings
- Busiest day
- June 24, 199813 flash flood 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 |
|---|---|---|---|---|
| Apr 25, 7:47 PM CDT | Flash Flood Warning | OAX | Monona | 5 hr |
| May 28, 6:32 PM CDT | Flash Flood Warning | DVN | Buchanan | 3 hr |
| Jun 10, 11:45 PM CDT | Flash Flood Warning | OAX | Harrison | 4 hr |
| Jun 14, 8:56 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Jun 14, 4:57 PM CDT | Flash Flood Warning | DVN | Benton, Cedar, Iowa, Johnson, Linn, Washington | 5 hr |
| Jun 14, 4:57 PM CDT | Flash Flood Warning | DVN | Henry, Jefferson | 5 hr |
| Jun 14, 4:57 PM CDT | Flash Flood Warning | DVN | Keokuk | 5 hr |
| Jun 14, 5:04 PM CDT | Flash Flood Warning | DVN | Lee, Van Buren | 5 hr |
| Jun 14, 6:32 PM CDT | Flash Flood Warning | DMX | Audubon, Cass | 11 hr |
| Jun 15, 5:43 AM CDT | Flash Flood Warning | DMX | Cass | 10 hr |
| Jun 15, 10:15 AM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
| Jun 15, 2:11 PM CDT | Flash Flood Warning | DMX | Hancock | 3 hr |
| Jun 18, 1:59 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jun 18, 2:16 PM CDT | Flash Flood Warning | DMX | Polk | 3 hr |
| Jun 18, 2:19 PM CDT | Flash Flood Warning | DMX | Story | 3 hr |
| Jun 18, 2:35 PM CDT | Flash Flood Warning | DMX | Madison | 3 hr |
| Jun 18, 4:30 PM CDT | Flash Flood Warning | ARX | Chickasaw, Howard | 4 hr |
| Jun 18, 5:04 PM CDT | Flash Flood Warning | DMX | Polk, Story | 2 hr |
| Jun 18, 7:35 PM CDT | Flash Flood Warning | DMX | Polk | 2 hr |
| Jun 20, 2:06 PM CDT | Flash Flood Warning | DMX | Winnebago | 3 hr |
| Jun 23, 9:55 PM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
| Jun 23, 10:19 PM CDT | Flash Flood Warning | DMX | Palo Alto | 3 hr |
| Jun 23, 10:41 PM CDT | Flash Flood Warning | DMX | Kossuth | 4 hr |
| Jun 23, 10:41 PM CDT | Flash Flood Warning | DMX | Sac | 4 hr |
| Jun 23, 10:54 PM CDT | Flash Flood Warning | DMX | Pocahontas | 4 hr |
| Jun 23, 11:12 PM CDT | Flash Flood Warning | OAX | Monona | 7 hr |
| Jun 23, 11:20 PM CDT | Flash Flood Warning | DMX | Crawford | 4 hr |
| Jun 23, 11:31 PM CDT | Flash Flood Warning | DMX | Winnebago | 4 hr |
| Jun 23, 11:53 PM CDT | Flash Flood Warning | DMX | Calhoun | 4 hr |
| Jun 24, 12:34 AM CDT | Flash Flood Warning | DMX | Hamilton, Webster | 4 hr |
| Jun 24, 1:35 AM CDT | Flash Flood Warning | FSD | Woodbury | 5 hr |
| Jun 24, 2:35 AM CDT | Flash Flood Warning | DMX | Sac | 4 hr |
| Jun 24, 2:50 AM CDT | Flash Flood Warning | DMX | Crawford | 4 hr |
| Jun 27, 8:44 PM CDT | Flash Flood Warning | DMX | Cerro Gordo | 3 hr |
| Jun 27, 10:03 PM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd | 4 hr |
| Jun 27, 10:03 PM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 4 hr |
| Jun 27, 10:16 PM CDT | Flash Flood Warning | ARX | Howard | 4 hr |
| Jun 28, 1:56 AM CDT | Flash Flood Warning | ARX | Chickasaw, Floyd, Howard, Winneshiek | 8 hr |
| Jun 28, 1:56 AM CDT | Flash Flood Warning | ARX | Allamakee | 8 hr |
| Jun 28, 9:50 AM CDT | Flash Flood Warning | ARX | Allamakee, Chickasaw, Howard, Winneshiek | 4 hr |
| Jun 28, 9:50 AM CDT | Flash Flood Warning | ARX | Floyd | 4 hr |
| Jul 5, 6:40 AM CDT | Flash Flood Warning | OAX | Pottawattamie | 4 hr |
| Jul 5, 7:12 AM CDT | Flash Flood Warning | OAX | Harrison | 4 hr |
| Jul 5, 8:54 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Jul 6, 8:46 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jul 6, 9:14 PM CDT | Flash Flood Warning | DMX | Guthrie | 6 hr |
| Jul 6, 9:21 PM CDT | Flash Flood Warning | DMX | Polk | 6 hr |
| Jul 6, 11:41 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jul 22, 12:21 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Aug 20, 6:56 PM CDT | Flash Flood Warning | DMX | Hamilton | 2 hr |
| Aug 20, 9:07 PM CDT | Flash Flood Warning | DMX | Hamilton | 4 hr |
| Oct 17, 4:48 PM CDT | Flash Flood Warning | DVN | Keokuk | 6 hr |
| Oct 17, 4:48 PM CDT | Flash Flood Warning | DVN | Scott | 6 hr |
| Oct 17, 4:48 PM CDT | Flash Flood Warning | DVN | Benton, Iowa, Johnson, Louisa, Muscatine, Washington | 6 hr |
| Oct 17, 4:48 PM CDT | Flash Flood Warning | DVN | Des Moines, Henry, Lee | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cass County6
- Polk County4
- Chickasaw County4
- Howard County4
- Dallas County3
- Hamilton County3
- Floyd County3
- Allamakee County3
- Winneshiek County3
- Monona County2
- Harrison County2
- Benton County2
- Iowa County2
- Johnson County2
- Washington County2
- Henry County2
- Keokuk County2
- Lee County2
- Story County2
- Winnebago County2
- Woodbury County2
- Sac County2
- Crawford County2
- Buchanan County1
- Cedar County1
- Linn County1
- Jefferson County1
- Van Buren County1
- Audubon County1
- Hancock County1
- Madison County1
- Palo Alto County1
- Kossuth County1
- Pocahontas County1
- Calhoun County1
- Webster County1
- Cerro Gordo County1
- Pottawattamie County1
- Guthrie County1
- Scott County1
3 more counties
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.