Air Stagnation Advisories in Iowa
10 air stagnation advisories since 1986. 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 air stagnation advisories reaches back to 2005.
Air Stagnation Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Air Stagnation Advisories
- 10
- Busiest year
- 20075 air stagnation advisories
- Average year
- 5over 2 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County2
- Audubon County2
- Benton County2
- Black Hawk County2
- Boone County2
- Bremer County2
- Buchanan County2
- Buena Vista County2
- Butler County2
- Calhoun County2
- Carroll County2
- Cedar County2
- Cerro Gordo County2
- Cherokee County2
- Chickasaw County2
- Clay County2
- Clayton County2
- Clinton County2
- Crawford County2
- Dallas County2
- Delaware County2
- Dickinson County2
- Dubuque County2
- Emmet County2
- Fayette County2
- Floyd County2
- Franklin County2
- Greene County2
- Grundy County2
- Guthrie County2
- Hamilton County2
- Hancock County2
- Hardin County2
- Harrison County2
- Howard County2
- Humboldt County2
- Ida County2
- Iowa County2
- Jackson County2
- Jasper County2
59 more counties
- Johnson County2
- Jones County2
- Kossuth County2
- Linn County2
- Lyon County2
- Marshall County2
- Mitchell County2
- Monona County2
- Muscatine County2
- O'Brien County2
- Osceola County2
- Palo Alto County2
- Plymouth County2
- Pocahontas County2
- Polk County2
- Poweshiek County2
- Sac County2
- Scott County2
- Shelby County2
- Sioux County2
- Story County2
- Tama County2
- Webster County2
- Winnebago County2
- Winneshiek County2
- Woodbury County2
- Worth County2
- Wright County2
- Adair County1
- Adams County1
- Appanoose County1
- Cass County1
- Clarke County1
- Davis County1
- Decatur County1
- Des Moines County1
- Fremont County1
- Henry County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
- Mills County1
- Monroe County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Ringgold County1
- Taylor County1
- Union County1
- Van Buren County1
- Wapello County1
- Warren County1
- Washington County1
- Wayne County1
Nearby
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.