Alert archive / Iowa / Excessive Heat Warnings
Excessive Heat Warnings in Iowa, 2022
4 excessive heat warnings in 2022. 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 2022. Tap one for its archive.
- Excessive Heat Warnings
- 4
- Busiest month
- August2 excessive heat warnings
- Busiest day
- June 14, 20221 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 14, 2:58 AM CDT | Excessive Heat Warning | DVN | Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 12 more | 41 hr |
| Jul 5, 1:09 PM CDT | Excessive Heat Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 7 hr |
| Aug 5, 3:17 PM CDT | Excessive Heat Warning | OAX | Harrison, Mills, Pottawattamie | 30 hr |
| Aug 6, 12:22 PM CDT | Excessive Heat Warning | DVN | Cedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County3
- Clinton County3
- Des Moines County3
- Henry County3
- Iowa County3
- Jackson County3
- Jefferson County3
- Johnson County3
- Keokuk County3
- Lee County3
- Louisa County3
- Muscatine County3
- Scott County3
- Van Buren County3
- Washington County3
- Dubuque County2
- Jones County2
- Linn County2
- Benton County1
- Buchanan County1
- Delaware County1
- Harrison County1
- Mills County1
- Pottawattamie County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.