Alert archive / South Dakota / 2012
Weather alerts in South Dakota, September 2012
77 weather alerts in September 2012, 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 2012. Tap one for its archive.
- Alerts
- 77
- Warnings
- 45
- Watches
- 16
- Advisories
- 9
- Busiest day
- September 5, 201213 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 |
|---|---|---|---|---|
| Aug 31, 7:59 PM CDT | Red Flag Warning | ABR | 26 hr | |
| Sep 1, 10:06 AM CDT | Red Flag Warning | FSD | 10 hr | |
| Sep 1, 6:38 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Meade, Pennington | 67 min |
| Sep 1, 7:11 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 49 min |
| Sep 1, 7:38 PM CDT | Special Weather Statement | UNR | Haakon | 67 min |
| Sep 2, 3:49 PM CDT | Mesoscale Discussion | SPC | Brookings, Clay, Codington, Day, Deuel, Grant and 12 more | 56 min |
| Sep 3, 5:27 AM CDT | Fire Weather Watch | UNR | 10 hr | |
| Sep 3, 3:24 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 9 more | 96 min |
| Sep 3, 3:36 PM CDT | Red Flag Warning | UNR | 30 hr | |
| Sep 3, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 21 more | 6 hr |
| Sep 3, 4:18 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 42 min |
| Sep 3, 4:33 PM CDT | Special Weather Statement | UNR | Tripp | 27 min |
| Sep 3, 4:59 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 46 min |
| Sep 3, 5:03 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 42 min |
| Sep 3, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 51 min |
| Sep 3, 6:09 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 37 min |
| Sep 3, 6:27 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Sanborn | 28 min |
| Sep 3, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld, Sanborn | 46 min |
| Sep 3, 7:18 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Charles Mix, Davison, Douglas and 5 more | 87 min |
| Sep 3, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Jerauld, Sanborn | 46 min |
| Sep 4, 5:53 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Lyman, Stanley | 35 min |
| Sep 4, 6:33 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Davison, Jerauld | 42 min |
| Sep 4, 6:43 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hyde | 47 min |
| Sep 4, 6:45 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Hutchinson | 45 min |
| Sep 4, 7:06 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 24 min |
| Sep 4, 7:13 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Hanson, Sanborn | 47 min |
| Sep 4, 7:27 PM CDT | Mesoscale Discussion | SPC | Clay, Lake, Lincoln, McCook, Minnehaha, Moody and 2 more | 63 min |
| Sep 4, 7:28 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 16 min |
| Sep 4, 7:37 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld | 38 min |
| Sep 4, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Clay, Hanson, Hutchinson, Kingsbury and 10 more | 6 hr |
| Sep 4, 7:49 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner | 41 min |
| Sep 4, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 31 min |
| Sep 4, 8:14 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 46 min |
| Sep 4, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook, Miner | 33 min |
| Sep 4, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Lincoln, McCook, Minnehaha, Moody, Turner | 38 min |
| Sep 4, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Union | 48 min |
| Sep 4, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 47 min |
| Sep 8, 3:34 AM CDT | Red Flag Warning | FSD | 15 hr | |
| Sep 8, 4:48 AM CDT | Fire Weather Watch | UNR | 48 hr | |
| Sep 8, 3:22 PM CDT | Frost Advisory | ABR | Brown, Campbell, Day, Edmunds, McPherson, Marshall and 1 more | 17 hr |
| Sep 8, 3:22 PM CDT | Fire Weather Watch | ABR | 20 hr | |
| Sep 8, 3:45 PM CDT | Red Flag Warning | UNR | 3 days | |
| Sep 8, 4:19 PM CDT | Fire Weather Watch | FSD | 19 hr | |
| Sep 9, 11:11 AM CDT | Red Flag Warning | ABR | 34 hr | |
| Sep 9, 11:30 AM CDT | Red Flag Warning | FSD | 58 hr | |
| Sep 10, 4:21 AM CDT | Wind Advisory | UNR | Butte, Custer, Haakon, Harding, Jackson, Meade and 4 more | 33 hr |
| Sep 10, 2:56 PM CDT | Fire Weather Watch | ABR | 14 hr | |
| Sep 10, 2:56 PM CDT | Red Flag Warning | ABR | 28 hr | |
| Sep 10, 4:58 PM CDT | Fire Weather Watch | FSD | 10 hr | |
| Sep 10, 4:58 PM CDT | Red Flag Warning | FSD | 26 hr | |
| Sep 10, 8:57 PM CDT | Special Weather Statement | UNR | Custer | 33 min |
| Sep 12, 3:00 PM CDT | Frost Advisory | ABR | Brown, Campbell, Clark, Corson, Day, Dewey and 12 more | 17 hr |
| Sep 12, 3:20 PM CDT | Frost Advisory | UNR | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 15 hr |
| Sep 14, 2:40 PM CDT | Fire Weather Watch | UNR | 14 hr | |
| Sep 14, 3:02 PM CDT | Fire Weather Watch | ABR | 13 hr | |
| Sep 14, 3:51 PM CDT | Fire Weather Watch | FSD | 12 hr | |
| Sep 15, 3:56 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Sep 15, 4:08 AM CDT | Red Flag Warning | ABR | 16 hr | |
| Sep 15, 5:09 AM CDT | Red Flag Warning | UNR | 15 hr | |
| Sep 16, 6:15 AM CDT | Red Flag Warning | UNR | 13 hr | |
| Sep 17, 1:51 PM CDT | Frost Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Day and 15 more | 19 hr |
| Sep 17, 3:09 PM CDT | Frost Advisory | FSD | Beadle, Brookings, Davison, Hanson, Jerauld, Kingsbury and 6 more | 17 hr |
| Sep 18, 11:59 AM CDT | Fire Weather Watch | FSD | 16 hr | |
| Sep 18, 1:23 PM CDT | Fire Weather Watch | ABR | 14 hr | |
| Sep 18, 9:38 PM CDT | Wind Advisory | UNR | Butte, Custer, Harding, Meade, Pennington, Perkins and 1 more | 17 hr |
| Sep 19, 3:15 AM CDT | Wind Advisory | ABR | Brown, Campbell, Corson, Day, Dewey, Edmunds and 6 more | 17 hr |
| Sep 19, 3:22 AM CDT | Red Flag Warning | ABR | 17 hr | |
| Sep 19, 4:11 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Sep 19, 5:49 AM CDT | Red Flag Warning | UNR | 14 hr | |
| Sep 21, 3:40 AM CDT | Freeze Watch | ABR | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 4 more | 12 hr |
| Sep 21, 12:57 PM CDT | Red Flag Warning | FSD | 6 hr | |
| Sep 21, 3:10 PM CDT | Freeze Watch | ABR | Buffalo, Clark, Codington, Day, Deuel, Grant and 7 more | 12 hr |
| Sep 21, 3:10 PM CDT | Freeze Warning | ABR | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 7 more | 18 hr |
| Sep 21, 3:41 PM CDT | Freeze Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 11 hr |
| Sep 22, 3:04 AM CDT | Freeze Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 30 hr |
| Sep 22, 3:09 AM CDT | Freeze Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 29 hr |
| Sep 22, 3:11 AM CDT | Frost Advisory | UNR | Bennett, Haakon, Jackson, Meade, Mellette, Pennington and 4 more | 25 hr |
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 | 25 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 3 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Frost Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 17 |
| Fire Weather Watch | 11 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hyde County11
- Jerauld County11
- McCook County10
- Davison County10
- Hanson County10
- Sanborn County10
- Aurora County9
- Hughes County9
- Hand County9
- Lake County8
- Miner County8
- Minnehaha County8
- Moody County8
- Buffalo County8
- Edmunds County8
- Day County7
- Hutchinson County7
- Lincoln County7
- Turner County7
- Beadle County7
- Potter County7
- Spink County7
- Brown County7
- Campbell County7
- McPherson County7
- Walworth County7
- Meade County6
- Pennington County6
- Clay County6
- Kingsbury County6
- Brule County6
- Charles Mix County6
- Douglas County6
- Faulk County6
- Sully County6
- Union County6
- Marshall County6
- Custer County5
- Brookings County5
- Grant County5
26 more counties
- Roberts County5
- Yankton County5
- Gregory County5
- Lyman County5
- Clark County5
- Corson County5
- Dewey County5
- Haakon County4
- Codington County4
- Deuel County4
- Hamlin County4
- Bon Homme County4
- Tripp County4
- Stanley County4
- Perkins County4
- Ziebach County4
- Butte County3
- Harding County3
- Jackson County3
- Oglala Lakota County2
- Bennett County2
- Jones County2
- Fall River County1
- Lawrence County1
- Mellette County1
- Todd County1
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.