Alert archive / Iowa / Frost Advisories
Frost Advisories in Iowa, 2012
12 frost advisories in 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Frost Advisories
- 12
- Busiest month
- April6 frost advisories
- Busiest day
- September 22, 20123 frost 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 |
|---|---|---|---|---|
| Apr 5, 3:00 PM CDT | Frost Advisory | DMX | Emmet, Hamilton, Hardin, Humboldt, Jasper, Kossuth and 5 more | 16 hr |
| Apr 5, 3:25 PM CDT | Frost Advisory | DVN | Des Moines, Henry, Iowa, Keokuk, Washington | 17 hr |
| Apr 7, 3:41 PM CDT | Frost Advisory | DMX | Adair, Adams, Audubon, Calhoun, Carroll, Cass and 11 more | 12 hr |
| Apr 16, 3:33 PM CDT | Frost Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 16 hr |
| Apr 20, 3:24 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more | 17 hr |
| Apr 20, 3:40 PM CDT | Frost Advisory | ARX | Allamakee, Clayton | 12 hr |
| Sep 17, 3:09 PM CDT | Frost Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola | 17 hr |
| Sep 22, 3:16 PM CDT | Frost Advisory | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Madison and 6 more | 17 hr |
| Sep 22, 3:24 PM CDT | Frost Advisory | OAX | Fremont | 18 hr |
| Sep 22, 3:55 PM CDT | Frost Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 2 more | 16 hr |
| Sep 23, 3:44 PM CDT | Frost Advisory | DVN | Clinton, Des Moines, Henry, Jackson, Lee, Louisa and 2 more | 15 hr |
| Oct 5, 3:46 AM CDT | Frost Advisory | ARX | Allamakee, Clayton | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Des Moines County3
- Henry County3
- Louisa County3
- Muscatine County3
- Scott County3
- Emmet County2
- Humboldt County2
- Kossuth County2
- Palo Alto County2
- Webster County2
- Iowa County2
- Keokuk County2
- Washington County2
- Clay County2
- Dickinson County2
- Lyon County2
- O'Brien County2
- Osceola County2
- Clinton County2
- Jackson County2
- Allamakee County2
- Clayton County2
- Lee County2
- Hamilton County1
- Hardin County1
- Jasper County1
- Marshall County1
- Poweshiek County1
- Wright County1
- Adair County1
- Adams County1
- Audubon County1
- Calhoun County1
- Carroll County1
- Cass County1
- Crawford County1
- Greene County1
- Guthrie County1
- Pocahontas County1
- Sac County1
25 more counties
- Taylor County1
- Sioux County1
- Benton County1
- Buchanan County1
- Cedar County1
- Delaware County1
- Dubuque County1
- Johnson County1
- Jones County1
- Linn County1
- Appanoose County1
- Clarke County1
- Davis County1
- Decatur County1
- Lucas County1
- Madison County1
- Monroe County1
- Ringgold County1
- Union County1
- Wapello County1
- Warren County1
- Wayne County1
- Fremont County1
- Jefferson County1
- Van Buren County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.