Alert archive / South Dakota / Tornado Watches
Tornado Watches in South Dakota, 2018
7 tornado watches in 2018. 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Tornado Watches
- 7
- Busiest month
- June4 tornado watches
- Busiest day
- June 10, 20181 tornado watches
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 |
|---|---|---|---|---|
| Jun 10, 3:52 PM CDT | Tornado Watch | SPC | Butte, Corson, Dewey, Haakon, Harding, Lawrence and 5 more | 7 hr |
| Jun 11, 3:42 PM CDT | Tornado Watch | SPC | Union | 6 hr |
| Jun 16, 3:38 PM CDT | Tornado Watch | SPC | Beadle, Brown, Clark, Codington, Day, Deuel and 6 more | 8 hr |
| Jun 28, 4:42 PM CDT | Tornado Watch | SPC | Harding, Perkins | 7 hr |
| Jul 18, 3:43 PM CDT | Tornado Watch | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 23 more | 7 hr |
| Jul 28, 3:34 PM CDT | Tornado Watch | SPC | Fall River | 7 hr |
| Aug 26, 7:37 PM CDT | Tornado Watch | SPC | Brown, Campbell, Clark, Codington, Day, Edmunds and 12 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dewey County2
- Haakon County2
- Harding County2
- Meade County2
- Pennington County2
- Perkins County2
- Stanley County2
- Ziebach County2
- Brown County2
- Clark County2
- Codington County2
- Day County2
- Grant County2
- Marshall County2
- Roberts County2
- Spink County2
- Hand County2
- Hughes County2
- Hyde County2
- Potter County2
- Sully County2
- Butte County1
- Corson County1
- Lawrence County1
- Union County1
- Beadle County1
- Deuel County1
- Hamlin County1
- Kingsbury County1
- Aurora County1
- Bennett County1
- Bon Homme County1
- Brule County1
- Buffalo County1
- Charles Mix County1
- Davison County1
- Douglas County1
- Gregory County1
- Hutchinson County1
- Jackson County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.