Alert archive / Iowa / Frost Advisories / 2011
Frost Advisories in Iowa, September 2011
9 frost advisories in September 2011. 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 September 2011. Tap one for its archive.
- Frost Advisories
- 9
- Busiest day
- September 14, 20115 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 |
|---|---|---|---|---|
| Sep 14, 3:34 AM CDT | Frost Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 28 hr |
| Sep 14, 3:48 AM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more | 28 hr |
| Sep 14, 3:52 AM CDT | Frost Advisory | DMX | Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 20 more | 28 hr |
| Sep 14, 4:02 AM CDT | Frost Advisory | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 28 hr |
| Sep 14, 4:12 AM CDT | Frost Advisory | OAX | Harrison, Monona, Pottawattamie, Shelby | 28 hr |
| Sep 22, 3:40 PM CDT | Frost Advisory | OAX | Harrison, Monona, Shelby | 16 hr |
| Sep 30, 3:27 AM CDT | Frost Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| Sep 30, 3:48 AM CDT | Frost Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 3 more | 28 hr |
| Sep 30, 3:29 PM CDT | Frost Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 28 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County2
- Chickasaw County2
- Clayton County2
- Fayette County2
- Floyd County2
- Howard County2
- Mitchell County2
- Winneshiek County2
- Benton County2
- Buchanan County2
- Cedar County2
- Clinton County2
- Delaware County2
- Dubuque County2
- Jackson County2
- Jones County2
- Linn County2
- Audubon County2
- Black Hawk County2
- Boone County2
- Bremer County2
- Butler County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Dallas County2
- Franklin County2
- Greene County2
- Grundy County2
- Guthrie County2
- Hamilton County2
- Hardin County2
- Humboldt County2
- Marshall County2
- Pocahontas County2
- Sac County2
- Story County2
- Tama County2
- Webster County2
- Wright County2
25 more counties
- Harrison County2
- Monona County2
- Shelby County2
- Iowa County1
- Johnson County1
- Jasper County1
- Polk County1
- Poweshiek County1
- Buena Vista County1
- Cherokee County1
- Ida County1
- Plymouth County1
- Woodbury County1
- Pottawattamie County1
- Adair County1
- Adams County1
- Cass County1
- Cerro Gordo County1
- Emmet County1
- Hancock County1
- Kossuth County1
- Palo Alto County1
- Taylor County1
- Winnebago County1
- Worth County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.