Alert archive / South Dakota / Frost Advisories
Frost Advisories in South Dakota, 2021
8 frost advisories in 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Frost Advisories
- 8
- Busiest month
- May5 frost advisories
- Busiest day
- October 15, 20212 frost advisories
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 |
|---|---|---|---|---|
| May 3, 2:28 PM CDT | Frost Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Douglas and 8 more | 18 hr |
| May 5, 2:24 PM CDT | Frost Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 16 more | 18 hr |
| May 6, 3:02 PM CDT | Frost Advisory | FSD | Beadle, Brookings, Jerauld, Kingsbury, Lake, Miner and 2 more | 17 hr |
| May 9, 3:22 PM CDT | Frost Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Douglas and 5 more | 17 hr |
| May 10, 3:12 PM CDT | Frost Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 17 hr |
| Sep 24, 2:16 PM CDT | Frost Advisory | ABR | Brown, Campbell, Clark, Codington, Day, Edmunds and 5 more | 19 hr |
| Oct 15, 3:30 AM CDT | Frost Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 30 hr |
| Oct 15, 11:38 AM CDT | Frost Advisory | ABR | Buffalo, Deuel, Dewey, Grant, Hand, Hughes and 6 more | 22 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Beadle County6
- Brookings County6
- Jerauld County6
- Kingsbury County6
- Miner County6
- Sanborn County6
- Aurora County5
- Brule County5
- Davison County5
- Douglas County5
- Hanson County5
- Lake County5
- Moody County5
- McCook County4
- Bon Homme County3
- Charles Mix County3
- Gregory County3
- Hutchinson County3
- Lincoln County3
- Minnehaha County3
- Turner County3
- Yankton County3
- Clay County2
- Union County2
- Brown County1
- Campbell County1
- Clark County1
- Codington County1
- Day County1
- Edmunds County1
- Faulk County1
- Hamlin County1
- McPherson County1
- Marshall County1
- Spink County1
- Buffalo County1
- Deuel County1
- Dewey County1
- Grant County1
- Hand County1
The busiest days
Days with the most alerts issued, by UTC date.
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.