Alert archive / South Dakota / Red Flag Warnings / 2021
Red Flag Warnings in South Dakota, March 2021
13 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
- 13
- 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 5, 1:59 PM CST | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 7 more | 30 hr |
| Mar 5, 2:45 PM CST | Red Flag Warning | ABR | Hughes, Jones, Lyman, Stanley | 29 hr |
| Mar 5, 3:08 PM CST | Red Flag Warning | FSD | Gregory | 29 hr |
| Mar 27, 2:56 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 9 more | 3 days |
| Mar 28, 3:53 AM CDT | Red Flag Warning | ABR | Campbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more | 16 hr |
| Mar 28, 2:36 PM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 31 hr |
| Mar 28, 2:47 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 30 hr |
| Mar 28, 2:59 PM CDT | Red Flag Warning | UNR | Haakon, Jackson, Meade, Pennington, Ziebach | 54 hr |
| Mar 29, 3:18 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 13 more | 30 hr |
| Mar 30, 2:14 AM CDT | Red Flag Warning | ABR | Dewey, Hughes, Jones, Lyman, Stanley, Sully | 18 hr |
| Mar 31, 2:37 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 9 more | 53 hr |
| Mar 31, 2:41 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Brule, Charles Mix, Davison, Douglas and 3 more | 31 hr |
| Mar 31, 2:48 PM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 31 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hughes County5
- Jones County5
- Lyman County5
- Stanley County5
- Haakon County4
- Jackson County4
- Meade County4
- Pennington County4
- Gregory County4
- Dewey County4
- Sully County4
- Bennett County3
- Butte County3
- Custer County3
- Fall River County3
- Lawrence County3
- Mellette County3
- Oglala Lakota County3
- Todd County3
- Tripp County3
- Ziebach County3
- Campbell County3
- Corson County3
- Potter County3
- Walworth County3
- Aurora County3
- Beadle County3
- Brule County3
- Charles Mix County3
- Davison County3
- Douglas County3
- Jerauld County3
- Sanborn County3
- Perkins County2
- Brown County2
- Buffalo County2
- Clark County2
- Codington County2
- Day County2
- Deuel County2
25 more counties
- Edmunds County2
- Faulk County2
- Grant County2
- Hamlin County2
- Hand County2
- Hyde County2
- McPherson County2
- Marshall County2
- Roberts County2
- Spink County2
- Bon Homme County2
- Clay County2
- Hanson County2
- Hutchinson County2
- Lincoln County2
- McCook County2
- Miner County2
- Turner County2
- Union County2
- Yankton County2
- Brookings County1
- Kingsbury County1
- Lake County1
- Minnehaha County1
- Moody 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. Warning verification from the Mesonet's Cow. Rebuilt daily.