Alert archive / South Dakota / Winter Storm Warnings / 2021
Winter Storm Warnings in South Dakota, March 2021
5 winter storm 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in March 2021. Tap one for its archive.
- Winter Storm Warnings
- 5
- Busiest day
- March 14, 20212 winter storm 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 9, 3:08 AM CST | Winter Storm Warning | UNR | Bennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington | 39 hr |
| Mar 10, 2:29 AM CST | Winter Storm Warning | ABR | Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more | 21 hr |
| Mar 12, 2:44 PM CST | Winter Storm Warning | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Lawrence and 6 more | 66 hr |
| Mar 14, 4:03 AM CDT | Winter Storm Warning | FSD | Aurora, Brookings, Brule, Charles Mix, Douglas, Gregory and 6 more | 32 hr |
| Mar 14, 5:55 PM CDT | Winter Storm Warning | ABR | Buffalo, Deuel, Hamlin, Hand, Hughes, Hyde and 3 more | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bennett County2
- Custer County2
- Fall River County2
- Jackson County2
- Oglala Lakota County2
- Pennington County2
- Deuel County2
- Hamlin County2
- Clark County1
- Codington County1
- Day County1
- Grant County1
- Marshall County1
- Roberts County1
- Haakon County1
- Lawrence County1
- Meade County1
- Mellette County1
- Todd County1
- Tripp County1
- Aurora County1
- Brookings County1
- Brule County1
- Charles Mix County1
- Douglas County1
- Gregory County1
- Jerauld County1
- Kingsbury County1
- Lake County1
- Lincoln County1
- Minnehaha County1
- Moody County1
- Buffalo County1
- Hand County1
- Hughes County1
- Hyde County1
- Jones County1
- Lyman County1
- Stanley 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.