Alert archive / Iowa / Frost Advisories / 2020
Frost Advisories in Iowa, May 2020
11 frost advisories in May 2020. 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 May 2020. Tap one for its archive.
- Frost Advisories
- 11
- Busiest day
- May 8, 20204 frost advisories
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 |
|---|---|---|---|---|
| May 7, 3:31 PM CDT | Frost Advisory | FSD | Clay, Dickinson, O'Brien, Plymouth, Sioux | 17 hr |
| May 8, 2:54 AM CDT | Frost Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 29 hr |
| May 8, 3:16 AM CDT | Frost Advisory | DVN | Jefferson, Lee, Van Buren | 29 hr |
| May 8, 3:23 AM CDT | Frost Advisory | DMX | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 25 more | 29 hr |
| May 8, 3:32 AM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 28 hr |
| May 10, 2:36 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 16 hr |
| May 10, 2:47 PM CDT | Frost Advisory | DMX | Appanoose, Black Hawk, Clarke, Davis, Decatur, Grundy and 16 more | 16 hr |
| May 11, 2:02 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 18 hr |
| May 11, 3:27 PM CDT | Frost Advisory | ARX | Chickasaw, Clayton, Fayette, Floyd | 17 hr |
| May 11, 9:24 PM CDT | Frost Advisory | FSD | Clay, Lyon, O'Brien, Sioux | 11 hr |
| May 11, 9:30 PM CDT | Frost Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 11 more | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County3
- O'Brien County3
- Sioux County3
- Dickinson County2
- Plymouth County2
- Jefferson County2
- Lee County2
- Van Buren County2
- Appanoose County2
- Clarke County2
- Davis County2
- Decatur County2
- Jasper County2
- Lucas County2
- Madison County2
- Mahaska County2
- Marion County2
- Monroe County2
- Polk County2
- Ringgold County2
- Taylor County2
- Union County2
- Wapello County2
- Warren County2
- Wayne County2
- Lyon County2
- Benton County2
- Buchanan County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Black Hawk County2
- Grundy County2
- Marshall County2
- Tama County2
- Fremont County1
- Harrison County1
53 more counties
- Mills County1
- Monona County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Adams County1
- Audubon County1
- Boone County1
- Calhoun County1
- Carroll County1
- Cass County1
- Crawford County1
- Dallas County1
- Greene County1
- Guthrie County1
- Pocahontas County1
- Sac County1
- Webster County1
- Buena Vista County1
- Cherokee County1
- Ida County1
- Osceola County1
- Woodbury County1
- Cedar County1
- Des Moines County1
- Henry County1
- Iowa County1
- Johnson County1
- Keokuk County1
- Louisa County1
- Muscatine County1
- Scott County1
- Washington County1
- Poweshiek County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Bremer County1
- Butler County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Winnebago County1
- Worth County1
- Wright County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.