Alert archive / South Dakota / 2011
Weather alerts in South Dakota, August 2011
305 weather alerts in August 2011, 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 August 2011. Tap one for its archive.
- Alerts
- 305
- Warnings
- 236
- Watches
- 18
- Advisories
- 7
- Busiest day
- August 18, 201143 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 |
|---|---|---|---|---|
| Jul 31, 7:23 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 67 min |
| Jul 31, 7:30 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 60 min |
| Jul 31, 7:52 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 53 min |
| Jul 31, 7:59 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Jul 31, 8:35 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 44 min |
| Jul 31, 8:41 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 34 min |
| Jul 31, 10:42 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 51 min |
| Jul 31, 11:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 35 min |
| Aug 1, 2:36 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 24 min |
| Aug 1, 4:57 AM CDT | Severe Thunderstorm Watch | SPC | Roberts | 7 hr |
| Aug 1, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | Day, Grant, Marshall, Roberts | 7 hr |
| Aug 1, 1:33 PM CDT | Mesoscale Discussion | SPC | Butte, Corson, Dewey, Harding, Perkins, Ziebach | 57 min |
| Aug 1, 1:38 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 36 min |
| Aug 1, 2:03 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 42 min |
| Aug 1, 2:06 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 54 min |
| Aug 1, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Corson, Dewey, Harding, Lawrence, Meade and 2 more | 6 hr |
| Aug 1, 2:21 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 20 min |
| Aug 1, 2:54 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 66 min |
| Aug 1, 3:28 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 62 min |
| Aug 1, 4:21 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 54 min |
| Aug 1, 5:02 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 73 min |
| Aug 1, 5:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 61 min |
| Aug 1, 5:43 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Aug 1, 5:57 PM CDT | Mesoscale Discussion | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 12 more | 2 hr |
| Aug 1, 6:10 PM CDT | Mesoscale Discussion | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 12 more | 2 hr |
| Aug 1, 6:38 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 30 min |
| Aug 1, 9:40 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Clark and 25 more | 95 min |
| Aug 1, 11:12 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 44 min |
| Aug 1, 11:23 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 52 min |
| Aug 2, 12:02 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 43 min |
| Aug 2, 12:27 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 33 min |
| Aug 2, 12:42 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 22 more | 5 hr |
| Aug 2, 12:44 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Aug 2, 12:58 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley | 32 min |
| Aug 2, 1:28 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hughes, Hyde, Lyman, Stanley | 47 min |
| Aug 2, 2:10 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 50 min |
| Aug 2, 2:35 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Spink | 40 min |
| Aug 2, 2:41 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 34 min |
| Aug 2, 3:15 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 19 min |
| Aug 2, 4:27 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 48 min |
| Aug 2, 5:04 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant, Hamlin | 41 min |
| Aug 2, 5:23 AM CDT | Severe Thunderstorm Watch | SPC | Grant | 7 hr |
| Aug 3, 12:24 PM CDT | Areal Flood Warning | ABR | Marshall | 48 hr |
| Aug 3, 2:01 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 89 min |
| Aug 3, 5:04 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 41 min |
| Aug 4, 6:04 PM CDT | Areal Flood Advisory | UNR | Custer | 3 hr |
| Aug 4, 7:40 PM CDT | Mesoscale Discussion | SPC | Harding | 95 min |
| Aug 5, 11:06 AM CDT | Flash Flood Warning | FSD | Aurora, Charles Mix, Douglas | 3 hr |
| Aug 5, 1:05 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Custer, Dewey, Haakon and 7 more | 2 hr |
| Aug 5, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Campbell, Corson, Dewey, Haakon and 7 more | 7 hr |
| Aug 5, 2:15 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 75 min |
| Aug 5, 2:23 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 67 min |
| Aug 5, 2:55 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 65 min |
| Aug 5, 3:58 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 62 min |
| Aug 5, 4:52 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 53 min |
| Aug 5, 4:56 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Aug 5, 5:25 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Corson, Custer, Dewey, Fall River and 10 more | 2 hr |
| Aug 5, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 59 min |
| Aug 5, 5:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Aug 5, 5:48 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 72 min |
| Aug 5, 5:50 PM CDT | Areal Flood Advisory | UNR | Custer, Pennington | 87 min |
| Aug 5, 6:03 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 57 min |
| Aug 5, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 53 min |
| Aug 5, 6:24 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 66 min |
| Aug 5, 6:26 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Custer, Dewey, Edmunds and 17 more | 94 min |
| Aug 5, 6:56 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 64 min |
| Aug 5, 6:59 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 61 min |
| Aug 5, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 48 min |
| Aug 5, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 62 min |
| Aug 5, 7:23 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 67 min |
| Aug 5, 7:32 PM CDT | Mesoscale Discussion | SPC | Butte | 88 min |
| Aug 5, 7:32 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Buffalo, Day, Edmunds, Faulk, Hand and 11 more | 4 hr |
| Aug 5, 7:48 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 42 min |
| Aug 5, 7:52 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 53 min |
| Aug 5, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Stanley, Sully | 60 min |
| Aug 5, 8:05 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 55 min |
| Aug 5, 8:30 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Hughes, Jones, Lyman, Stanley, Sully | 46 min |
| Aug 5, 10:08 PM CDT | Mesoscale Discussion | SPC | Brown, Buffalo, Edmunds, Faulk, Hand, Hughes and 4 more | 2 hr |
| Aug 5, 11:38 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 52 min |
| Aug 6, 12:03 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Douglas | 27 min |
| Aug 6, 12:27 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas | 33 min |
| Aug 6, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 29 min |
| Aug 6, 2:58 PM CDT | Mesoscale Discussion | SPC | Clay, Union | 3 hr |
| Aug 6, 6:14 PM CDT | Mesoscale Discussion | SPC | Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more | 2 hr |
| Aug 7, 9:10 AM CDT | River Flood Warning | ABR | Codington | 22 hr |
| Aug 7, 1:23 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Jackson, Meade, Oglala Lakota, Pennington and 1 more | 67 min |
| Aug 7, 2:05 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 55 min |
| Aug 7, 2:50 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 55 min |
| Aug 7, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Jackson, Mellette, Pennington and 2 more | 8 hr |
| Aug 7, 3:27 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Aug 7, 3:36 PM CDT | Areal Flood Advisory | UNR | Pennington | 78 min |
| Aug 7, 3:53 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 82 min |
| Aug 7, 3:57 PM CDT | Areal Flood Advisory | UNR | Custer | 2 hr |
| Aug 7, 4:39 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 66 min |
| Aug 7, 4:56 PM CDT | Tornado Warning | UNR | Custer | 29 min |
| Aug 7, 5:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 55 min |
| Aug 7, 5:19 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 43 min |
| Aug 7, 5:28 PM CDT | Severe Thunderstorm Warning | UNR | 62 min | |
| Aug 7, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 35 min |
| Aug 7, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 59 min |
| Aug 7, 5:33 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 57 min |
| Aug 7, 5:47 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 58 min |
| Aug 7, 5:48 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 31 min |
| Aug 7, 5:57 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 19 min |
| Aug 7, 6:05 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 55 min |
| Aug 7, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 55 min |
| Aug 7, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 61 min |
| Aug 7, 6:35 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Haakon, Harding, Jackson, Jones and 8 more | 115 min |
| Aug 7, 6:37 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 53 min |
| Aug 7, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 43 min |
| Aug 7, 6:49 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 56 min |
| Aug 7, 6:58 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 62 min |
| Aug 7, 7:02 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 43 min |
| Aug 7, 7:26 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Perkins | 28 min |
| Aug 7, 7:31 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 59 min |
| Aug 7, 7:49 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Clay, Gregory, Union, Yankton | 7 hr |
| Aug 7, 7:50 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 55 min |
| Aug 7, 8:29 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 61 min |
| Aug 7, 9:07 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 53 min |
| Aug 7, 9:39 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Gregory | 66 min |
| Aug 7, 10:28 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Union, Yankton | 2 hr |
| Aug 7, 10:33 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Union, Yankton | 57 min |
| Aug 7, 11:10 PM CDT | Flash Flood Warning | FSD | Union | 80 min |
| Aug 7, 11:12 PM CDT | Severe Thunderstorm Warning | FSD | Union | 48 min |
| Aug 8, 3:09 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River | 66 min |
| Aug 8, 5:10 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 53 min |
| Aug 9, 10:25 AM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Oglala Lakota | 95 min |
| Aug 9, 6:02 PM CDT | Mesoscale Discussion | SPC | Fall River | 118 min |
| Aug 10, 1:59 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 61 min |
| Aug 10, 3:57 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Todd | 63 min |
| Aug 10, 4:42 PM CDT | Mesoscale Discussion | SPC | Bennett, Fall River, Oglala Lakota | 63 min |
| Aug 10, 4:54 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 96 min |
| Aug 10, 5:39 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 66 min |
| Aug 10, 6:05 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 54 min |
| Aug 11, 1:49 PM CDT | Mesoscale Discussion | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 15 more | 86 min |
| Aug 11, 1:49 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 41 min |
| Aug 11, 2:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Ziebach | 64 min |
| Aug 11, 2:53 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 67 min |
| Aug 11, 3:05 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 33 more | 5 hr |
| Aug 11, 3:11 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 64 min |
| Aug 11, 3:17 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Pennington | 58 min |
| Aug 11, 3:54 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Stanley, Sully | 66 min |
| Aug 11, 3:58 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 45 min |
| Aug 11, 4:11 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 48 min |
| Aug 11, 4:14 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 61 min |
| Aug 11, 4:16 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley, Sully | 59 min |
| Aug 11, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Lawrence, Meade, Pennington | 43 min |
| Aug 11, 5:00 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hughes, Hyde, Lyman, Sully | 45 min |
| Aug 11, 5:05 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Jones, Lyman, Stanley | 55 min |
| Aug 11, 5:28 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 62 min |
| Aug 11, 5:45 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hyde, Lyman, Spink | 45 min |
| Aug 11, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Sanborn | 51 min |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 52 min |
| Aug 11, 5:59 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Lyman | 61 min |
| Aug 11, 6:16 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 59 min |
| Aug 11, 6:19 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory | 41 min |
| Aug 11, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Jerauld, Kingsbury, Miner, Sanborn | 38 min |
| Aug 11, 6:38 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Lincoln, Turner, Union, Yankton | 97 min |
| Aug 11, 6:59 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 1 more | 46 min |
| Aug 11, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 33 min |
| Aug 11, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 33 min |
| Aug 11, 7:16 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Harding, Lawrence, Meade, Perkins, Ziebach | 4 hr |
| Aug 11, 7:19 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Brookings, Charles Mix, Clay, Davison, Douglas and 13 more | 5 hr |
| Aug 11, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Davison, Douglas, Gregory, Hanson and 2 more | 46 min |
| Aug 11, 8:01 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Hutchinson, Turner, Yankton | 44 min |
| Aug 11, 8:06 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 54 min |
| Aug 11, 8:52 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 68 min |
| Aug 11, 9:00 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 60 min |
| Aug 11, 9:42 PM CDT | Mesoscale Discussion | SPC | Beadle, Bon Homme, Brookings, Clay, Davison, Douglas and 13 more | 63 min |
| Aug 11, 9:55 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Perkins, Ziebach | 65 min |
| Aug 11, 9:56 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins | 64 min |
| Aug 12, 1:18 PM CDT | Mesoscale Discussion | SPC | Brown, Codington, Day, Deuel, Grant, McPherson and 2 more | 57 min |
| Aug 12, 1:47 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more | 6 hr |
| Aug 12, 3:44 PM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more | 91 min |
| Aug 12, 5:02 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 43 min |
| Aug 12, 7:09 PM CDT | Mesoscale Discussion | SPC | Deuel, Grant, Roberts | 96 min |
| Aug 12, 7:55 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 35 min |
| Aug 14, 12:46 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Edmunds, McPherson, Marshall, Walworth | 59 min |
| Aug 14, 2:33 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 26 min |
| Aug 14, 2:59 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Jackson, Lawrence, Meade and 2 more | 91 min |
| Aug 14, 3:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Aug 14, 4:18 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 41 min |
| Aug 14, 6:56 PM CDT | Mesoscale Discussion | SPC | Harding | 94 min |
| Aug 14, 7:26 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 49 min |
| Aug 14, 8:01 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 59 min |
| Aug 14, 8:16 PM CDT | Tornado Warning | ABR | Corson | 29 min |
| Aug 14, 8:42 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 7 more | 93 min |
| Aug 14, 8:48 PM CDT | Tornado Warning | ABR | Corson | 27 min |
| Aug 14, 9:15 PM CDT | Tornado Warning | ABR | Corson, Dewey | 30 min |
| Aug 14, 9:46 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 27 min |
| Aug 14, 11:01 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 44 min |
| Aug 14, 11:25 PM CDT | Severe Thunderstorm Warning | ABR | Day | 24 min |
| Aug 15, 5:06 AM CDT | Areal Flood Warning | ABR | Roberts | 5 days |
| Aug 15, 10:42 AM CDT | Flash Flood Warning | ABR | Roberts | 7 hr |
| Aug 15, 3:47 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Perkins | 58 min |
| Aug 15, 5:23 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Edmunds, Harding, McPherson, Perkins and 1 more | 9 hr |
| Aug 15, 9:37 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Harding, Perkins | 83 min |
| Aug 15, 10:12 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 63 min |
| Aug 15, 10:59 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 61 min |
| Aug 15, 11:51 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 54 min |
| Aug 15, 11:53 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 37 min |
| Aug 16, 12:46 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 59 min |
| Aug 16, 2:05 AM CDT | Mesoscale Discussion | SPC | Campbell, Edmunds, McPherson, Walworth | 115 min |
| Aug 16, 7:21 PM CDT | River Flood Warning | ABR | Roberts | 14 hr |
| Aug 17, 3:00 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Jackson, Jones, Mellette, Oglala Lakota and 3 more | 2 hr |
| Aug 17, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Haakon, Jackson, Mellette, Todd, Tripp | 6 hr |
| Aug 17, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 63 min |
| Aug 17, 5:43 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 4 more | 62 min |
| Aug 17, 5:54 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 51 min |
| Aug 17, 5:59 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 61 min |
| Aug 17, 6:11 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 64 min |
| Aug 17, 6:21 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 54 min |
| Aug 17, 6:44 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 61 min |
| Aug 17, 6:45 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 45 min |
| Aug 17, 7:06 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 54 min |
| Aug 17, 7:11 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Aug 17, 7:34 PM CDT | Tornado Warning | UNR | Todd, Tripp | 32 min |
| Aug 17, 7:55 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 65 min |
| Aug 17, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 59 min |
| Aug 17, 8:31 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 59 min |
| Aug 17, 8:58 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 44 min |
| Aug 17, 9:18 PM CDT | Mesoscale Discussion | SPC | Mellette, Todd, Tripp | 57 min |
| Aug 18, 11:39 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 25 min |
| Aug 18, 11:55 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 35 min |
| Aug 18, 12:25 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 35 min |
| Aug 18, 12:31 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Hutchinson, Union, Yankton | 89 min |
| Aug 18, 1:27 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Union, Yankton | 8 hr |
| Aug 18, 1:49 PM CDT | Flash Flood Warning | FSD | Aurora, Brule, Jerauld | 4 hr |
| Aug 18, 1:53 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Douglas, Hutchinson | 37 min |
| Aug 18, 2:28 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Hutchinson, Yankton | 47 min |
| Aug 18, 3:06 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 39 min |
| Aug 18, 3:23 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 42 min |
| Aug 18, 3:42 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union, Yankton | 48 min |
| Aug 18, 3:43 PM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Campbell, Clark, Codington and 20 more | 92 min |
| Aug 18, 4:26 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 49 min |
| Aug 18, 4:26 PM CDT | Severe Thunderstorm Warning | FSD | Union | 49 min |
| Aug 18, 4:34 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Yankton | 26 min |
| Aug 18, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 56 min |
| Aug 18, 4:40 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 65 min |
| Aug 18, 4:42 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 63 min |
| Aug 18, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brown, Buffalo, Campbell, Corson, Dewey and 22 more | 4 hr |
| Aug 18, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 38 min |
| Aug 18, 5:06 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 54 min |
| Aug 18, 5:17 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 28 min |
| Aug 18, 5:20 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 55 min |
| Aug 18, 5:22 PM CDT | Severe Thunderstorm Warning | FSD | Union | 23 min |
| Aug 18, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 46 min |
| Aug 18, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Union | 29 min |
| Aug 18, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 28 min |
| Aug 18, 5:57 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 33 min |
| Aug 18, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 53 min |
| Aug 18, 6:18 PM CDT | Mesoscale Discussion | SPC | Union | 27 min |
| Aug 18, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | Union | 34 min |
| Aug 18, 6:43 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 47 min |
| Aug 18, 6:48 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 27 min |
| Aug 18, 6:52 PM CDT | Flash Flood Warning | ABR | Faulk, Hyde, Potter | 6 hr |
| Aug 18, 6:57 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 33 min |
| Aug 18, 7:03 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 27 min |
| Aug 18, 7:16 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 29 min |
| Aug 19, 3:17 AM CDT | Areal Flood Warning | ABR | Buffalo, Hughes, Hyde, Lyman, Stanley | 7 days |
| Aug 21, 3:39 AM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 66 min |
| Aug 22, 9:43 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 47 min |
| Aug 22, 10:17 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody | 43 min |
| Aug 22, 10:27 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 33 min |
| Aug 22, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 49 min |
| Aug 22, 11:11 PM CDT | Tornado Warning | FSD | Lake, McCook, Minnehaha | 34 min |
| Aug 22, 11:23 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 52 min |
| Aug 22, 11:41 PM CDT | Tornado Warning | FSD | Lake, Minnehaha, Moody | 34 min |
| Aug 23, 12:12 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 48 min |
| Aug 23, 12:53 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 37 min |
| Aug 23, 1:15 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 45 min |
| Aug 23, 2:33 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 42 min |
| Aug 23, 3:43 AM CDT | Heat Advisory | FSD | Bon Homme, Clay, Hutchinson, Lincoln, Turner, Union and 1 more | 11 hr |
| Aug 25, 1:59 PM CDT | Red Flag Warning | UNR | 7 hr | |
| Aug 25, 4:59 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 4 more | 91 min |
| Aug 25, 8:09 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 53 min |
| Aug 26, 8:36 AM CDT | Areal Flood Warning | ABR | Buffalo, Hughes, Hyde, Lyman, Stanley | 5 days |
| Aug 27, 5:14 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 49 min |
| Aug 27, 5:24 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 66 min |
| Aug 28, 2:09 AM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 5 more | 66 min |
| Aug 28, 4:17 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Douglas | 43 min |
| Aug 28, 4:27 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 63 min |
| Aug 28, 4:48 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Douglas | 42 min |
| Aug 28, 5:04 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 41 min |
| Aug 28, 5:16 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 33 more | 2 hr |
| Aug 28, 5:20 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 40 min |
| Aug 28, 5:43 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 47 min |
| Aug 28, 5:49 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook, Miner, Sanborn | 41 min |
| Aug 28, 5:51 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Hand, Hyde, Potter, Spink and 1 more | 54 min |
| Aug 28, 6:30 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook, Miner, Minnehaha | 45 min |
| Aug 28, 6:46 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Spink | 44 min |
| Aug 28, 6:54 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 52 min |
| Aug 28, 6:58 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Minnehaha, Turner | 47 min |
| Aug 28, 7:33 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 42 min |
| Aug 28, 7:37 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 38 min |
| Aug 28, 7:54 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union, Yankton | 51 min |
| Aug 28, 7:57 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 33 min |
| Aug 28, 8:00 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Hanson, Kingsbury, Lake, McCook, Miner and 3 more | 60 min |
| Aug 28, 8:00 AM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Brookings, Charles Mix, Clay, Davison, Douglas and 12 more | 5 hr |
| Aug 28, 8:23 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 25 min |
| Aug 28, 8:24 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Hutchinson, McCook, Turner | 51 min |
| Aug 28, 10:41 AM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union, Yankton | 94 min |
| Aug 29, 3:53 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 67 min |
| Aug 31, 4:03 AM CDT | Dense Fog Advisory | ABR | Brown, Campbell, Corson, Edmunds, McPherson, Walworth | 6 hr |
| Aug 31, 6:02 AM CDT | Dense Fog Advisory | FSD | Clay, Lincoln, Minnehaha, Moody, Union | 4 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 | 216 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 17 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 44 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 5 |
| River Flood Warning | 2 |
| Areal Flood Advisory | 4 |
| Heat | |
| Heat Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Meade County41
- Perkins County35
- Corson County34
- Pennington County33
- Butte County30
- Dewey County28
- Harding County27
- Stanley County27
- Jackson County27
- Bennett County26
- Custer County25
- Todd County25
- Ziebach County24
- Haakon County24
- Lyman County24
- Bon Homme County24
- Hughes County23
- Union County23
- Yankton County23
- Campbell County22
- Faulk County22
- Clay County22
- Walworth County21
- Edmunds County21
- Hyde County21
- Jones County21
- Mellette County21
- Charles Mix County21
- McPherson County19
- Potter County19
- Sully County19
- Tripp County19
- Hand County18
- Spink County18
- Brown County17
- Lawrence County16
- Miner County16
- Hutchinson County16
- Douglas County15
- Buffalo County14
26 more counties
- Roberts County13
- Aurora County13
- Hanson County13
- Lake County13
- Fall River County13
- McCook County13
- Minnehaha County13
- Grant County11
- Marshall County11
- Beadle County11
- Brule County11
- Davison County11
- Kingsbury County11
- Gregory County11
- Turner County11
- Codington County10
- Sanborn County10
- Oglala Lakota County10
- Day County9
- Brookings County9
- Clark County9
- Deuel County9
- Hamlin County9
- Lincoln County9
- Moody County9
- Jerauld County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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. Rebuilt daily.