Alert archive / Iowa / Excessive Heat Warnings
Excessive Heat Warnings in Iowa, 2011
10 excessive heat warnings in 2011. 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Excessive Heat Warnings
- 10
- Busiest month
- July7 excessive heat warnings
- Busiest day
- July 15, 20113 excessive heat 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 |
|---|---|---|---|---|
| Jul 1, 8:37 AM CDT | Excessive Heat Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 12 hr |
| Jul 14, 2:30 PM CDT | Excessive Heat Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 6 days |
| Jul 15, 3:42 AM CDT | Excessive Heat Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 6 days |
| Jul 15, 3:32 PM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 6 days |
| Jul 15, 3:42 PM CDT | Excessive Heat Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 9 days |
| Jul 16, 3:27 PM CDT | Excessive Heat Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 4 days |
| Jul 22, 3:40 AM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 15 more | 41 hr |
| Aug 2, 3:40 AM CDT | Excessive Heat Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 15 hr |
| Aug 2, 3:50 AM CDT | Excessive Heat Warning | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 18 hr |
| Aug 2, 3:53 AM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adair County3
- Adams County3
- Appanoose County3
- Cass County3
- Clarke County3
- Davis County3
- Decatur County3
- Jasper County3
- Lucas County3
- Madison County3
- Mahaska County3
- Marion County3
- Monroe County3
- Polk County3
- Poweshiek County3
- Ringgold County3
- Taylor County3
- Union County3
- Wapello County3
- Warren County3
- Wayne County3
- Allamakee County2
- Chickasaw County2
- Clayton County2
- Fayette County2
- Floyd County2
- Howard County2
- Mitchell County2
- Winneshiek County2
- Fremont County2
- Harrison County2
- Mills County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Shelby County2
- Audubon County2
- Dallas County2
- Guthrie County2
- Cedar County2
59 more counties
- Des Moines County2
- Henry County2
- Iowa County2
- Jefferson County2
- Johnson County2
- Keokuk County2
- Lee County2
- Louisa County2
- Muscatine County2
- Scott County2
- Van Buren County2
- Washington County2
- Monona County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cerro Gordo County1
- Crawford County1
- Emmet County1
- Franklin County1
- Greene County1
- Grundy County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Marshall County1
- Palo Alto County1
- Pocahontas County1
- Sac County1
- Story County1
- Tama County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Benton County1
- Buchanan County1
- Clinton County1
- Delaware County1
- Dubuque County1
- Jackson County1
- Jones County1
- Linn County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.