Alert archive / Iowa / Heat Advisories
Heat Advisories in Iowa, 2009
12 heat advisories in 2009. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Heat Advisories
- 12
- Busiest month
- June9 heat advisories
- Busiest day
- June 22, 20094 heat advisories
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 21, 3:41 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 66 hr |
| Jun 21, 3:46 PM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 3 days |
| Jun 22, 12:07 PM CDT | Heat Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 7 hr |
| Jun 22, 3:09 PM CDT | Heat Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 27 hr |
| Jun 22, 3:25 PM CDT | Heat Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 29 hr |
| Jun 22, 3:41 PM CDT | Heat Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 4 more | 22 hr |
| Jun 24, 3:57 AM CDT | Heat Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Jackson, Jefferson and 8 more | 11 hr |
| Jun 24, 10:07 AM CDT | Heat Advisory | DMX | Adair, Adams, Cass, Decatur, Ringgold, Taylor and 1 more | 4 hr |
| Jun 25, 10:40 AM CDT | Heat Advisory | DVN | Cedar, Clinton, Des Moines, Henry, Jefferson, Johnson and 7 more | 9 hr |
| Aug 8, 2:43 AM CDT | Heat Advisory | DVN | Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 12 more | 40 hr |
| Aug 8, 3:38 AM CDT | Heat Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 14 hr |
| Aug 8, 3:57 AM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Audubon, Carroll, Cass and 18 more | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County5
- Des Moines County5
- Henry County5
- Jefferson County5
- Johnson County5
- Keokuk County5
- Lee County5
- Louisa County5
- Muscatine County5
- Scott County5
- Van Buren County5
- Washington County5
- Clinton County4
- Adair County3
- Adams County3
- Cass County3
- Decatur County3
- Ringgold County3
- Taylor County3
- Union County3
- Iowa County3
- Jackson County3
- Appanoose County2
- Audubon County2
- Carroll County2
- Clarke County2
- Crawford County2
- Dallas County2
- Davis County2
- Greene County2
- Guthrie County2
- Lucas County2
- Madison County2
- Marion County2
- Monroe County2
- Polk County2
- Wapello County2
- Warren County2
- Wayne County2
- Fremont County2
58 more counties
- Harrison County2
- Mills County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Shelby County2
- Benton County2
- Jones County2
- Linn County2
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Jasper County1
- Kossuth County1
- Mahaska County1
- Marshall County1
- Palo Alto County1
- Pocahontas County1
- Poweshiek County1
- Sac County1
- Story County1
- Tama County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Monona County1
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Buchanan County1
- Delaware County1
- Dubuque County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.