Areal Flood Advisories in Iowa
466 areal flood advisories since 1986. 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 areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Areal Flood Advisories
- 466
- Busiest year
- 201098 areal flood advisories
- Average year
- 25over 19 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County96
- Mills County68
- Fremont County55
- Page County41
- Harrison County37
- Montgomery County33
- Clayton County32
- Allamakee County29
- Fayette County28
- Shelby County26
- Monona County25
- Black Hawk County23
- Floyd County22
- Grundy County21
- Winneshiek County20
- Jasper County19
- Polk County18
- Warren County18
- Appanoose County17
- Decatur County17
- Mitchell County17
- Wapello County17
- Wayne County17
- Chickasaw County16
- Madison County16
- Marion County16
- Tama County16
- Marshall County15
- Butler County14
- Howard County14
- Poweshiek County14
- Bremer County13
- Davis County13
- Lucas County13
- Story County13
- Clarke County12
- Mahaska County12
- Dallas County10
- Franklin County9
- Union County9
31 more counties
- Audubon County8
- Guthrie County8
- Monroe County8
- Ringgold County8
- Webster County8
- Wright County8
- Boone County7
- Calhoun County7
- Carroll County7
- Cerro Gordo County7
- Greene County6
- Hancock County6
- Hardin County6
- Kossuth County6
- Adair County6
- Adams County5
- Crawford County5
- Emmet County5
- Humboldt County5
- Palo Alto County5
- Sac County5
- Taylor County5
- Winnebago County5
- Worth County5
- Hamilton County4
- Pocahontas County4
- Cass County4
- Des Moines County1
- Lee County1
- Louisa County1
- Muscatine County1
The latest areal flood advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 12:27 AM CDT | Areal Flood Advisory | OAX | Harrison, Pottawattamie, Shelby | 2 hr |
| Aug 19, 2:35 PM CDT | Areal Flood Advisory | OAX | Fremont | 4 hr |
| Aug 13, 5:01 AM CDT | Areal Flood Advisory | OAX | Monona | 2 hr |
| Aug 13, 4:49 AM CDT | Areal Flood Advisory | OAX | Pottawattamie | 116 min |
| Aug 11, 7:24 AM CDT | Areal Flood Advisory | ARX | Chickasaw, Floyd | 3 hr |
| Aug 5, 3:26 AM CDT | Areal Flood Advisory | OAX | Pottawattamie | 3 hr |
| Jul 28, 4:19 AM CDT | Areal Flood Advisory | OAX | Fremont | 3 hr |
| Jul 8, 9:29 PM CDT | Areal Flood Advisory | OAX | Harrison, Shelby | 3 hr |
| Jul 1, 10:17 PM CDT | Areal Flood Advisory | ARX | Howard, Winneshiek | 3 hr |
| Jun 21, 3:36 AM CDT | Areal Flood Advisory | OAX | Pottawattamie | 4 hr |
| Jun 13, 8:52 AM CDT | Areal Flood Advisory | OAX | Pottawattamie | 2 hr |
| Jun 11, 9:49 PM CDT | Areal Flood Advisory | OAX | Fremont | 10 hr |
Nearby
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.