Alert archive / Iowa / Red Flag Warnings
Red Flag Warnings in Iowa, 2020
16 red flag warnings in 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Red Flag Warnings
- 16
- Busiest month
- March5 red flag warnings
- Busiest day
- March 5, 20202 red flag warnings
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 |
|---|---|---|---|---|
| Mar 4, 1:46 PM CST | Red Flag Warning | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 28 hr |
| Mar 5, 2:39 AM CST | Red Flag Warning | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 12 more | 15 hr |
| Mar 5, 2:56 AM CST | Red Flag Warning | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 15 hr |
| Mar 7, 3:02 AM CST | Red Flag Warning | DMX | Adair, Adams, Audubon, Cass, Clarke, Decatur and 5 more | 15 hr |
| Mar 7, 3:11 AM CST | Red Flag Warning | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more | 16 hr |
| Apr 9, 3:48 AM CDT | Red Flag Warning | OAX | Fremont, Page | 15 hr |
| Apr 20, 4:05 AM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 15 hr |
| Sep 29, 10:47 AM CDT | Red Flag Warning | FSD | Cherokee, Ida, Lyon, O'Brien, Plymouth, Sioux and 1 more | 8 hr |
| Sep 30, 3:33 AM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Ida, Plymouth, Sioux, Woodbury | 15 hr |
| Oct 6, 3:22 AM CDT | Red Flag Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and 1 more | 16 hr |
| Oct 8, 1:31 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Ida, Lyon, O'Brien and 4 more | 4 hr |
| Oct 13, 2:47 PM CDT | Red Flag Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 28 hr |
| Oct 13, 3:15 PM CDT | Red Flag Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 28 hr |
| Oct 14, 3:43 AM CDT | Red Flag Warning | DMX | Audubon, Calhoun, Carroll, Cass, Crawford, Emmet and 8 more | 16 hr |
| Nov 6, 2:59 AM CST | Red Flag Warning | FSD | Lyon, Osceola, Plymouth, Sioux | 15 hr |
| Nov 18, 3:22 AM CST | Red Flag Warning | OAX | Fremont | 15 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Plymouth County7
- Sioux County7
- Lyon County6
- Cherokee County5
- Ida County5
- O'Brien County5
- Osceola County5
- Woodbury County5
- Fremont County4
- Buena Vista County4
- Clay County4
- Page County3
- Pottawattamie County3
- Cass County3
- Dickinson County3
- Mills County2
- Montgomery County2
- Adair County2
- Adams County2
- Clarke County2
- Decatur County2
- Madison County2
- Ringgold County2
- Taylor County2
- Union County2
- Audubon County2
- Guthrie County2
- Harrison County2
- Shelby County2
- Appanoose County1
- Davis County1
- Lucas County1
- Mahaska County1
- Marion County1
- Monroe County1
- Wapello County1
- Warren County1
- Wayne County1
- Des Moines County1
- Henry County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.