Alert archive / South Dakota / 1999
Weather alerts in South Dakota, September 1999
43 weather alerts in September 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 1999. Tap one for its archive.
- Alerts
- 43
- Warnings
- 41
- Watches
- 2
- Advisories
- 0
- Busiest day
- September 3, 199916 alerts
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 |
|---|---|---|---|---|
| Sep 1, 10:53 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 47 min |
| Sep 1, 11:13 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 32 min |
| Sep 2, 3:10 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 45 min |
| Sep 2, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 8 more | 5 hr |
| Sep 2, 7:25 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 35 min |
| Sep 2, 8:40 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 65 min |
| Sep 2, 10:16 PM CDT | Flash Flood Warning | ABR | Potter, Sully | 6 hr |
| Sep 2, 10:16 PM CDT | Flash Flood Warning | ABR | Faulk | 6 hr |
| Sep 2, 11:01 PM CDT | Flash Flood Warning | ABR | Hughes, Jones, Stanley | 5 hr |
| Sep 2, 11:47 PM CDT | Flash Flood Warning | ABR | Brown, Edmunds | 5 hr |
| Sep 3, 1:09 AM CDT | Flash Flood Warning | ABR | Hyde | 3 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Hughes, Jones, Stanley, Sully | 8 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Brown, Edmunds, Faulk, Potter | 8 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Hyde | 8 hr |
| Sep 3, 11:52 AM CDT | Flash Flood Warning | ABR | Sully | 3 hr |
| Sep 3, 2:44 PM CDT | Flash Flood Warning | ABR | Sully | 6 hr |
| Sep 3, 5:04 PM CDT | Tornado Warning | FSD | Hanson | 31 min |
| Sep 3, 5:31 PM CDT | Tornado Warning | FSD | McCook | 34 min |
| Sep 3, 5:55 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 50 min |
| Sep 3, 6:23 PM CDT | Flash Flood Warning | ABR | Deuel | 6 hr |
| Sep 3, 8:08 PM CDT | Flash Flood Warning | ABR | Codington, Grant | 8 hr |
| Sep 3, 8:08 PM CDT | Flash Flood Warning | ABR | Clark, Hamlin | 8 hr |
| Sep 4, 12:09 AM CDT | Flash Flood Warning | ABR | Deuel | 4 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Charles Mix, Gregory | 3 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Bon Homme | 3 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Douglas | 3 hr |
| Sep 11, 3:23 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 32 min |
| Sep 11, 3:36 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Sep 11, 4:21 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 64 min |
| Sep 11, 6:57 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 63 min |
| Sep 11, 7:59 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 61 min |
| Sep 18, 10:15 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 65 min |
| Sep 18, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 66 min |
| Sep 18, 10:52 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 33 min |
| Sep 18, 11:25 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 35 min |
| Sep 25, 7:06 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley | 49 min |
| Sep 25, 7:21 PM CDT | Tornado Warning | ABR | Stanley | 34 min |
| Sep 25, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Buffalo, Campbell, Clark and 23 more | 6 hr |
| Sep 25, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 45 min |
| Sep 25, 8:30 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 50 min |
| Sep 25, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 50 min |
| Sep 25, 9:31 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 44 min |
| Sep 25, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 47 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 21 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Flooding | |
| Flash Flood Warning | 17 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sully County7
- Hughes County5
- Brown County4
- Faulk County4
- Stanley County4
- Edmunds County4
- Hyde County4
- Buffalo County3
- Jerauld County3
- Potter County3
- Deuel County3
- Hamlin County3
- Kingsbury County3
- Todd County2
- Spink County2
- Bon Homme County2
- Charles Mix County2
- Douglas County2
- Gregory County2
- Tripp County2
- Jones County2
- Miner County2
- Codington County2
- Grant County2
- Clark County2
- Dewey County2
- Campbell County2
- Walworth County2
- McPherson County2
- Beadle County2
- Hand County2
- Mellette County1
- Aurora County1
- Brule County1
- Davison County1
- Hutchinson County1
- Lyman County1
- Yankton County1
- Hanson County1
- McCook County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.