Alert archive / Iowa / Freeze Warnings / 2012
Freeze Warnings in Iowa, April 2012
19 freeze warnings in April 2012. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in April 2012. Tap one for its archive.
- Freeze Warnings
- 19
- Busiest day
- April 9, 20125 freeze 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 |
|---|---|---|---|---|
| Apr 5, 3:39 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Apr 5, 3:00 PM CDT | Freeze Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 4 more | 17 hr |
| Apr 5, 3:25 PM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 17 hr |
| Apr 9, 3:24 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 31 hr |
| Apr 9, 3:26 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 29 hr |
| Apr 9, 3:38 AM CDT | Freeze Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 29 hr |
| Apr 9, 3:51 AM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 29 hr |
| Apr 9, 4:05 AM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 29 hr |
| Apr 9, 7:41 PM CDT | Freeze Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 37 hr |
| Apr 9, 8:56 PM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 36 hr |
| Apr 10, 3:37 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 28 hr |
| Apr 10, 3:56 AM CDT | Freeze Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 29 hr |
| Apr 10, 11:00 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 23 hr |
| Apr 11, 3:46 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 28 hr |
| Apr 11, 2:30 PM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 18 hr |
| Apr 11, 3:28 PM CDT | Freeze Warning | FSD | Buena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola | 14 hr |
| Apr 11, 3:32 PM CDT | Freeze Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 16 hr |
| Apr 22, 3:02 PM CDT | Freeze Warning | DVN | Clinton, Dubuque, Jackson | 16 hr |
| Apr 23, 2:07 AM CDT | Freeze Warning | OAX | Shelby | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clinton County5
- Dubuque County5
- Jackson County5
- Allamakee County4
- Chickasaw County4
- Clayton County4
- Fayette County4
- Floyd County4
- Howard County4
- Mitchell County4
- Winneshiek County4
- Black Hawk County4
- Bremer County4
- Butler County4
- Cerro Gordo County4
- Franklin County4
- Grundy County4
- Hancock County4
- Tama County4
- Winnebago County4
- Worth County4
- Benton County4
- Buchanan County4
- Cedar County4
- Delaware County4
- Johnson County4
- Jones County4
- Linn County4
- Muscatine County4
- Scott County4
- Louisa County3
- Iowa County3
- Jefferson County3
- Keokuk County3
- Washington County3
- Buena Vista County3
- Clay County3
- Dickinson County3
- Lyon County3
- O'Brien County3
59 more counties
- Osceola County3
- Adair County3
- Adams County3
- Appanoose County3
- Audubon County3
- Boone County3
- Calhoun County3
- Carroll County3
- Cass County3
- Clarke County3
- Crawford County3
- Dallas County3
- Davis County3
- Decatur County3
- Emmet County3
- Greene County3
- Guthrie County3
- Hamilton County3
- Hardin County3
- Humboldt County3
- Jasper County3
- Kossuth County3
- Lucas County3
- Madison County3
- Mahaska County3
- Marion County3
- Marshall County3
- Monroe County3
- Palo Alto County3
- Pocahontas County3
- Polk County3
- Poweshiek County3
- Ringgold County3
- Sac County3
- Story County3
- Taylor County3
- Union County3
- Wapello County3
- Warren County3
- Wayne County3
- Webster County3
- Wright County3
- Shelby County3
- Cherokee County2
- Ida County2
- Plymouth County2
- Sioux County2
- Woodbury County2
- Fremont County2
- Harrison County2
- Mills County2
- Monona County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Des Moines County2
- Henry County2
- Lee County2
- Van Buren County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.