Alert archive / Iowa / Frost Advisories
Frost Advisories in Iowa, 2022
14 frost advisories 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Frost Advisories
- 14
- Busiest month
- September7 frost advisories
- Busiest day
- September 27, 20225 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 26, 2:36 PM CDT | Frost Advisory | DMX | Hardin, Marshall, Poweshiek | 17 hr |
| Apr 26, 2:39 PM CDT | Frost Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 5 more | 17 hr |
| May 21, 2:51 AM CDT | Frost Advisory | OAX | Harrison, Monona, Shelby | 29 hr |
| May 21, 2:47 PM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 18 hr |
| May 21, 2:48 PM CDT | Frost Advisory | DMX | Audubon, Calhoun, Carroll, Crawford, Emmet, Palo Alto and 2 more | 18 hr |
| Sep 27, 1:51 PM CDT | Frost Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 18 hr |
| Sep 27, 1:51 PM CDT | Frost Advisory | OAX | Harrison, Monona, Shelby | 18 hr |
| Sep 27, 1:53 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 18 hr |
| Sep 27, 2:31 PM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 17 hr |
| Sep 27, 2:39 PM CDT | Frost Advisory | DMX | Adair, Appanoose, Audubon, Black Hawk, Boone, Bremer and 40 more | 17 hr |
| Sep 28, 2:08 PM CDT | Frost Advisory | ARX | Allamakee, Clayton | 18 hr |
| Sep 28, 3:00 PM CDT | Frost Advisory | DVN | Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 5 more | 16 hr |
| Oct 6, 2:35 PM CDT | Frost Advisory | OAX | Monona | 19 hr |
| Oct 6, 2:57 PM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 3 more | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County3
- Johnson County3
- Louisa County3
- Muscatine County3
- Scott County3
- Monona County3
- Buena Vista County3
- Cherokee County3
- Clay County3
- Dickinson County3
- Ida County3
- O'Brien County3
- Osceola County3
- Plymouth County3
- Woodbury County3
- Hardin County2
- Marshall County2
- Poweshiek County2
- Des Moines County2
- Henry County2
- Iowa County2
- Jefferson County2
- Keokuk County2
- Washington County2
- Harrison County2
- Shelby County2
- Lyon County2
- Sioux County2
- Audubon County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Emmet County2
- Palo Alto County2
- Pocahontas County2
- Sac County2
- Allamakee County2
- Clayton County2
- Clinton County2
- Delaware County2
49 more counties
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Chickasaw County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Benton County1
- Buchanan County1
- Lee County1
- Van Buren County1
- Adair County1
- Appanoose County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Cass County1
- Cerro Gordo County1
- Clarke County1
- Dallas County1
- Davis County1
- Franklin County1
- Greene County1
- Grundy County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Humboldt County1
- Jasper County1
- Kossuth County1
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
- Monroe County1
- Polk County1
- Story County1
- Tama County1
- Wapello County1
- Warren County1
- Wayne County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright 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.