Alert archive / South Dakota / Flash Flood Watches
Flash Flood Watches in South Dakota, 2012
4 flash flood 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Flash Flood Watches
- 4
- Busiest month
- May4 flash flood watches
- Busiest day
- May 5, 20122 flash flood 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 5, 2:57 PM CDT | Flash Flood Watch | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 6 more | 8 hr |
| May 5, 3:06 PM CDT | Flash Flood Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 13 hr |
| May 23, 3:50 AM CDT | Flash Flood Watch | FSD | Union | 29 hr |
| May 27, 3:42 AM CDT | Flash Flood Watch | FSD | Union | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Union County3
- Brown County1
- Buffalo County1
- Clark County1
- Codington County1
- Day County1
- Deuel County1
- Grant County1
- Hamlin County1
- Hand County1
- Marshall County1
- Roberts County1
- Spink County1
- Aurora County1
- Beadle County1
- Bon Homme County1
- Brookings County1
- Brule County1
- Charles Mix County1
- Clay County1
- Davison County1
- Douglas County1
- Gregory County1
- Hanson County1
- Hutchinson County1
- Jerauld County1
- Kingsbury County1
- Lake County1
- Lincoln County1
- McCook County1
- Miner County1
- Minnehaha County1
- Moody County1
- Sanborn County1
- Turner County1
- Yankton County1
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.