Alert archive / Iowa / Excessive Heat Warnings
Excessive Heat Warnings in Iowa, 2019
7 excessive heat warnings in 2019. 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 2019. Tap one for its archive.
- Excessive Heat Warnings
- 7
- Busiest month
- July5 excessive heat warnings
- Busiest day
- July 16, 20193 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 |
|---|---|---|---|---|
| Jun 29, 11:59 AM CDT | Excessive Heat Warning | FSD | Cherokee, Ida, Lyon, O'Brien, Plymouth, Sioux and 1 more | 9 hr |
| Jul 16, 3:08 PM CDT | Excessive Heat Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 days |
| Jul 16, 3:29 PM CDT | Excessive Heat Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 4 days |
| Jul 16, 3:56 PM CDT | Excessive Heat Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 4 days |
| Jul 17, 4:07 AM CDT | Excessive Heat Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 66 hr |
| Jul 17, 12:34 PM CDT | Excessive Heat Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 3 days |
| Aug 20, 3:20 PM CDT | Excessive Heat Warning | OAX | Pottawattamie | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cherokee County2
- Ida County2
- Lyon County2
- O'Brien County2
- Plymouth County2
- Sioux County2
- Woodbury County2
- Pottawattamie County2
- Adair County1
- Adams County1
- Appanoose County1
- Audubon County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cass County1
- Cerro Gordo County1
- Clarke County1
- Crawford County1
- Dallas County1
- Davis County1
- Decatur County1
- Emmet County1
- Franklin County1
- Greene County1
- Grundy County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Jasper County1
- Kossuth County1
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
59 more counties
- Marshall County1
- Monroe County1
- Palo Alto County1
- Pocahontas County1
- Polk County1
- Poweshiek County1
- Ringgold County1
- Sac County1
- Story County1
- Tama County1
- Taylor County1
- Union County1
- Wapello County1
- Warren County1
- Wayne County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Lee County1
- Linn County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
- Fremont County1
- Harrison County1
- Mills County1
- Monona County1
- Montgomery County1
- Page County1
- Shelby County1
- Buena Vista County1
- Clay County1
- Dickinson County1
- Osceola County1
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.