Alert archive / Iowa / Frost Advisories
Frost Advisories in Iowa, 2018
8 frost advisories in 2018. 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 2018. Tap one for its archive.
- Frost Advisories
- 8
- Busiest month
- September4 frost advisories
- Busiest day
- September 28, 20184 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 |
|---|---|---|---|---|
| Sep 28, 3:00 AM CDT | Frost Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 13 more | 29 hr |
| Sep 28, 3:40 AM CDT | Frost Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Sep 28, 3:41 AM CDT | Frost Advisory | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 28 hr |
| Sep 28, 12:05 PM CDT | Frost Advisory | FSD | Clay, Dickinson, Osceola | 19 hr |
| Oct 11, 3:40 AM CDT | Frost Advisory | DVN | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 28 hr |
| Oct 12, 12:22 PM CDT | Frost Advisory | ARX | Allamakee, Clayton, Fayette | 21 hr |
| Oct 12, 2:42 PM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 18 hr |
| Oct 12, 4:05 PM CDT | Frost Advisory | DMX | Black Hawk, Bremer, Grundy, Marshall, Poweshiek, Tama | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County2
- Bremer County2
- Grundy County2
- Tama County2
- Allamakee County2
- Clayton County2
- Fayette County2
- Benton County2
- Buchanan County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Cedar County2
- Iowa County2
- Johnson County2
- Muscatine County2
- Scott County2
- Butler County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright County1
- Chickasaw County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.