Alert archive / Iowa / Excessive Heat Warnings / 2011
Excessive Heat Warnings in Iowa, August 2011
3 excessive heat warnings in August 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 August 2011. Tap one for its archive.
- Excessive Heat Warnings
- 3
- Busiest day
- August 2, 20113 excessive heat warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| 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.
- Fremont County1
- Harrison County1
- Mills County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Shelby County1
- Cedar County1
- Des Moines County1
- Henry County1
- Iowa County1
- Jefferson County1
- Johnson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
- Adair County1
- Adams County1
- Appanoose County1
- Audubon County1
- Cass County1
- Clarke County1
- Dallas County1
- Davis County1
- Decatur County1
- Guthrie County1
- Jasper County1
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
- Monroe County1
- Polk County1
- Poweshiek County1
- Ringgold County1
- Taylor County1
4 more counties
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.