Alert archive / South Dakota / Tornado Watches
Tornado Watches in South Dakota, 2012
5 tornado watches in 2012. 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 2012. Tap one for its archive.
- Tornado Watches
- 5
- Busiest month
- May2 tornado watches
- Busiest day
- May 1, 20121 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 |
|---|---|---|---|---|
| May 1, 2:59 PM CDT | Tornado Watch | SPC | Bon Homme, Brookings, Clay, Deuel, Grant, Hanson and 11 more | 6 hr |
| May 5, 5:31 PM CDT | Tornado Watch | SPC | Bon Homme, Clay, Union, Yankton | 5 hr |
| Jun 17, 3:45 PM CDT | Tornado Watch | SPC | Beadle, Brookings, Brown, Clark, Codington, Day and 10 more | 6 hr |
| Jun 19, 6:08 PM CDT | Tornado Watch | SPC | Clark, Codington, Day, Deuel, Grant, Hamlin and 1 more | 7 hr |
| Jul 5, 6:55 PM CDT | Tornado Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 6 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Deuel County3
- Grant County3
- Roberts County3
- Bon Homme County2
- Brookings County2
- Clay County2
- Union County2
- Yankton County2
- Clark County2
- Codington County2
- Day County2
- Hamlin County2
- Hanson County1
- Hutchinson County1
- Lake County1
- Lincoln County1
- McCook County1
- Miner County1
- Minnehaha County1
- Moody County1
- Turner County1
- Beadle County1
- Brown County1
- Edmunds County1
- Faulk County1
- Kingsbury County1
- McPherson County1
- Marshall County1
- Spink County1
- Bennett County1
- Butte County1
- Custer County1
- Fall River County1
- Haakon County1
- Harding County1
- Jackson County1
- Lawrence County1
- Meade County1
- Pennington County1
- Perkins County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.