Alert archive / Iowa / Red Flag Warnings / 2021
Red Flag Warnings in Iowa, March 2021
10 red flag warnings in March 2021. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in March 2021. Tap one for its archive.
- Red Flag Warnings
- 10
- Busiest day
- March 28, 20214 red flag warnings
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 |
|---|---|---|---|---|
| Mar 6, 2:59 PM CST | Red Flag Warning | OAX | Fremont, Mills, Montgomery, Page | 28 hr |
| Mar 7, 2:27 AM CST | Red Flag Warning | DMX | Adair, Adams, Cass, Clarke, Decatur, Madison and 4 more | 16 hr |
| Mar 10, 2:59 AM CST | Red Flag Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 15 hr |
| Mar 10, 4:02 AM CST | Red Flag Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie, Taylor | 14 hr |
| Mar 28, 2:06 PM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 31 hr |
| Mar 28, 2:47 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 30 hr |
| Mar 28, 2:52 PM CDT | Red Flag Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 36 more | 29 hr |
| Mar 28, 2:55 PM CDT | Red Flag Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 29 hr |
| Mar 29, 3:18 PM CDT | Red Flag Warning | FSD | Plymouth, Sioux, Woodbury | 30 hr |
| Mar 30, 3:38 AM CDT | Red Flag Warning | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fremont County4
- Mills County4
- Montgomery County4
- Page County4
- Adair County3
- Adams County3
- Cass County3
- Taylor County3
- Pottawattamie County3
- Clarke County2
- Decatur County2
- Madison County2
- Ringgold County2
- Union County2
- Wayne County2
- Audubon County2
- Guthrie County2
- Harrison County2
- Monona County2
- Shelby County2
- Plymouth County2
- Sioux County2
- Woodbury County2
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Appanoose County1
- Black Hawk County1
- Boone County1
- Calhoun County1
- Carroll County1
- Crawford County1
- Dallas County1
- Davis County1
- Greene County1
42 more counties
- Grundy County1
- Hamilton County1
- Hardin County1
- Humboldt County1
- Jasper County1
- Lucas County1
- Mahaska County1
- Marion County1
- Marshall County1
- Monroe County1
- Palo Alto County1
- Pocahontas County1
- Polk County1
- Poweshiek County1
- Sac County1
- Story County1
- Tama County1
- Wapello County1
- Warren County1
- Webster County1
- Wright County1
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Lee County1
- Linn County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Rebuilt daily.