Alert archive / South Dakota / 2019
Weather alerts in South Dakota, September 2019
229 weather alerts in September 2019, 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 2019. Tap one for its archive.
- Alerts
- 229
- Warnings
- 147
- Watches
- 13
- Advisories
- 5
- Busiest day
- September 11, 201961 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, 9:44 PM CDT | Areal Flood Warning | FSD | Charles Mix | 12 hr |
| Sep 1, 1:53 PM CDT | Special Weather Statement | UNR | Lawrence | 52 min |
| Sep 1, 5:09 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 2 hr |
| Sep 1, 6:11 PM CDT | Special Weather Statement | UNR | Harding | 49 min |
| Sep 1, 11:25 PM CDT | Special Weather Statement | UNR | Haakon | 50 min |
| Sep 1, 11:37 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 38 min |
| Sep 1, 11:56 PM CDT | Mesoscale Discussion | SPC | Brule, Buffalo, Haakon, Hand, Hughes, Hyde and 6 more | 64 min |
| Sep 2, 12:12 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 48 min |
| Sep 2, 12:33 AM CDT | Flash Flood Warning | UNR | Haakon, Ziebach | 6 hr |
| Sep 2, 1:10 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 65 min |
| Sep 2, 1:49 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 56 min |
| Sep 2, 2:23 AM CDT | Special Weather Statement | UNR | Todd | 37 min |
| Sep 2, 2:41 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 64 min |
| Sep 2, 3:19 AM CDT | Special Weather Statement | UNR | Mellette | 41 min |
| Sep 2, 3:36 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 54 min |
| Sep 2, 4:39 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 21 min |
| Sep 2, 3:34 PM CDT | Mesoscale Discussion | SPC | Marshall, Roberts | 86 min |
| Sep 2, 4:06 PM CDT | Severe Thunderstorm Watch | SPC | Marshall, Roberts | 5 hr |
| Sep 2, 6:25 PM CDT | Mesoscale Discussion | SPC | Marshall, Roberts | 95 min |
| Sep 2, 6:33 PM CDT | Special Weather Statement | ABR | Marshall, Roberts | 57 min |
| Sep 2, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 50 min |
| Sep 2, 7:17 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 13 min |
| Sep 8, 3:17 PM CDT | Flood Watch | ABR | Brown, Campbell, Day, Edmunds, McPherson, Marshall and 1 more | 21 hr |
| Sep 9, 11:43 AM CDT | River Flood Warning | FSD | Brookings, Moody | 22 days |
| Sep 9, 6:41 PM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 5 more | 94 min |
| Sep 9, 7:38 PM CDT | Special Weather Statement | ABR | Day | 37 min |
| Sep 9, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 44 min |
| Sep 9, 8:01 PM CDT | Tornado Warning | ABR | Day | 29 min |
| Sep 9, 8:16 PM CDT | Tornado Warning | ABR | Day, Roberts | 29 min |
| Sep 9, 8:19 PM CDT | Tornado Warning | ABR | Day | 26 min |
| Sep 9, 8:48 PM CDT | Special Weather Statement | ABR | Roberts | 42 min |
| Sep 9, 8:57 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 48 min |
| Sep 9, 9:39 PM CDT | Special Weather Statement | ABR | Roberts | 51 min |
| Sep 10, 10:50 AM CDT | River Flood Warning | FSD | Davison | 12 days |
| Sep 10, 2:25 PM CDT | Mesoscale Discussion | SPC | Bennett, Gregory, Mellette, Todd, Tripp | 2 hr |
| Sep 10, 2:27 PM CDT | Special Weather Statement | UNR | Bennett | 33 min |
| Sep 10, 2:53 PM CDT | Tornado Watch | SPC | Bennett, Custer, Fall River, Jackson, Mellette, Oglala Lakota and 2 more | 7 hr |
| Sep 10, 3:13 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 47 min |
| Sep 10, 3:22 PM CDT | Flash Flood Watch | FSD | Aurora, Davison, Douglas, Hanson, Hutchinson, Lake and 7 more | 16 hr |
| Sep 10, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 46 min |
| Sep 10, 4:41 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 49 min |
| Sep 10, 5:12 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 38 min |
| Sep 10, 5:21 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 39 min |
| Sep 10, 5:36 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 24 min |
| Sep 10, 5:38 PM CDT | Mesoscale Discussion | SPC | Bennett, Fall River, Oglala Lakota, Todd, Tripp | 97 min |
| Sep 10, 5:53 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 52 min |
| Sep 10, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 56 min |
| Sep 10, 6:09 PM CDT | Special Weather Statement | LBF | Bennett | 51 min |
| Sep 10, 6:10 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 35 min |
| Sep 10, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory | 4 hr |
| Sep 10, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 34 min |
| Sep 10, 6:34 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 41 min |
| Sep 10, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 34 min |
| Sep 10, 6:56 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory | 34 min |
| Sep 10, 7:16 PM CDT | Special Weather Statement | UNR | Tripp | 44 min |
| Sep 10, 7:24 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory | 36 min |
| Sep 10, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 44 min |
| Sep 10, 7:58 PM CDT | Tornado Warning | FSD | Charles Mix, Douglas | 32 min |
| Sep 10, 8:01 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory | 44 min |
| Sep 10, 8:07 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 38 min |
| Sep 10, 8:07 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 9 more | 83 min |
| Sep 10, 8:33 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 11 more | 7 hr |
| Sep 10, 8:41 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Hutchinson | 49 min |
| Sep 10, 8:52 PM CDT | Tornado Warning | FSD | Aurora, Davison | 23 min |
| Sep 10, 8:52 PM CDT | Tornado Warning | FSD | Bon Homme, Hutchinson | 38 min |
| Sep 10, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 47 min |
| Sep 10, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Miner, Sanborn | 29 min |
| Sep 10, 9:29 PM CDT | Flash Flood Warning | FSD | Bon Homme, Charles Mix, Davison, Douglas, Hanson, Hutchinson | 6 hr |
| Sep 10, 9:36 PM CDT | Tornado Warning | FSD | Hutchinson | 24 min |
| Sep 10, 9:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 44 min |
| Sep 10, 9:56 PM CDT | Tornado Warning | FSD | Hanson, Hutchinson, McCook | 34 min |
| Sep 10, 10:22 PM CDT | Flash Flood Warning | FSD | Hanson, Hutchinson, McCook, Turner | 5 hr |
| Sep 10, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hanson, Hutchinson, McCook, Yankton | 53 min |
| Sep 10, 10:42 PM CDT | Tornado Warning | FSD | Hutchinson, McCook, Turner | 33 min |
| Sep 10, 10:47 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Hutchinson, Lincoln, McCook, Minnehaha, Turner and 1 more | 43 min |
| Sep 10, 10:53 PM CDT | Tornado Warning | FSD | McCook, Minnehaha, Turner | 24 min |
| Sep 10, 11:04 PM CDT | Tornado Warning | FSD | Lincoln, Turner | 26 min |
| Sep 10, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 47 min |
| Sep 10, 11:26 PM CDT | Flash Flood Warning | FSD | Lake, Lincoln, McCook, Miner, Minnehaha, Moody and 1 more | 3 hr |
| Sep 10, 11:27 PM CDT | Tornado Warning | FSD | Lincoln, Minnehaha | 33 min |
| Sep 10, 11:31 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, McCook, Minnehaha, Turner, Union and 1 more | 89 min |
| Sep 10, 11:54 PM CDT | Tornado Warning | FSD | Minnehaha | 13 min |
| Sep 10, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 46 min |
| Sep 11, 12:24 AM CDT | Flash Flood Warning | FSD | Clay, Hutchinson, Lincoln, Turner, Union, Yankton | 6 hr |
| Sep 11, 12:24 AM CDT | Flash Flood Warning | FSD | Brookings, Kingsbury, Lake, Moody | 6 hr |
| Sep 11, 12:55 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 21 days |
| Sep 11, 12:55 AM CDT | River Flood Warning | FSD | Minnehaha | 21 days |
| Sep 11, 1:03 AM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 6 hr |
| Sep 11, 2:17 AM CDT | Flash Flood Warning | FSD | Lake, Lincoln, McCook, Miner, Minnehaha, Moody and 1 more | 4 hr |
| Sep 11, 3:14 AM CDT | Flash Flood Warning | FSD | Union | 4 hr |
| Sep 11, 3:31 AM CDT | Areal Flood Warning | FSD | Bon Homme, Brookings, Charles Mix, Clay, Douglas, Hanson and 9 more | 18 hr |
| Sep 11, 4:07 AM CDT | Flash Flood Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 26 hr |
| Sep 11, 8:01 AM CDT | River Flood Warning | FSD | Minnehaha | 29 days |
| Sep 11, 8:01 AM CDT | River Flood Warning | FSD | Moody | 21 days |
| Sep 11, 8:09 AM CDT | River Flood Warning | ABR | Codington | 63 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 14 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Union | 16 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Union | 21 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Minnehaha | 60 hr |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Yankton | 24 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 6 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Clay | 8 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Moody | 21 days |
| Sep 11, 10:42 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 21 days |
| Sep 11, 12:17 PM CDT | Flash Flood Watch | ABR | Buffalo, Clark, Codington, Deuel, Grant, Hamlin and 2 more | 18 hr |
| Sep 11, 2:55 PM CDT | Special Weather Statement | UNR | Fall River | 35 min |
| Sep 11, 3:41 PM CDT | River Flood Warning | FSD | Minnehaha, Moody | 13 days |
| Sep 11, 3:44 PM CDT | River Flood Warning | FSD | Moody | 21 days |
| Sep 11, 4:04 PM CDT | Special Weather Statement | UNR | Fall River | 26 min |
| Sep 11, 4:29 PM CDT | Special Weather Statement | UNR | Fall River | 46 min |
| Sep 11, 5:08 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 37 min |
| Sep 11, 5:43 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Bon Homme, Brule, Charles Mix, Clay and 16 more | 2 hr |
| Sep 11, 7:45 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 37 min |
| Sep 11, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 28 more | 7 hr |
| Sep 11, 8:24 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 66 min |
| Sep 11, 9:01 PM CDT | Flash Flood Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 1 more | 4 hr |
| Sep 11, 9:11 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 23 min |
| Sep 11, 9:36 PM CDT | River Flood Warning | FSD | Brookings | 21 days |
| Sep 11, 9:40 PM CDT | Special Weather Statement | ABR | Hughes | 65 min |
| Sep 11, 10:12 PM CDT | Flash Flood Warning | FSD | Moody | 4 hr |
| Sep 11, 10:47 PM CDT | Flash Flood Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha | 3 hr |
| Sep 11, 11:05 PM CDT | Areal Flood Warning | FSD | Bon Homme, Charles Mix, Douglas, Hanson, Hutchinson, McCook | 12 hr |
| Sep 12, 1:01 AM CDT | Areal Flood Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 1 more | 10 hr |
| Sep 12, 1:14 AM CDT | River Flood Warning | FSD | Minnehaha | 29 days |
| Sep 12, 1:50 AM CDT | Areal Flood Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha | 12 hr |
| Sep 12, 2:32 AM CDT | Areal Flood Warning | FSD | Moody | 11 hr |
| Sep 12, 2:38 AM CDT | Flash Flood Warning | FSD | Davison | 4 hr |
| Sep 12, 2:58 AM CDT | Wind Advisory | UNR | Butte, Lawrence, Meade, Pennington | 16 hr |
| Sep 12, 4:44 AM CDT | River Flood Warning | FSD | Minnehaha | 21 days |
| Sep 12, 4:44 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 4 days |
| Sep 12, 4:44 AM CDT | River Flood Warning | FSD | Charles Mix | 21 days |
| Sep 12, 4:44 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 21 days |
| Sep 12, 4:44 AM CDT | River Flood Warning | FSD | Minnehaha | 5 days |
| Sep 12, 5:59 AM CDT | River Flood Warning | ABR | Spink | 164 days |
| Sep 12, 7:14 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 16 hr |
| Sep 12, 7:14 AM CDT | River Flood Warning | FSD | Brookings | 21 days |
| Sep 12, 7:14 AM CDT | River Flood Warning | FSD | Brookings | 21 days |
| Sep 12, 7:14 AM CDT | River Flood Warning | FSD | Lincoln | 21 days |
| Sep 12, 7:14 AM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| Sep 12, 10:38 AM CDT | Areal Flood Warning | FSD | Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 4 more | 24 hr |
| Sep 12, 11:32 AM CDT | River Flood Warning | FSD | Lincoln | 21 days |
| Sep 12, 1:24 PM CDT | Areal Flood Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha, Moody | 24 hr |
| Sep 12, 3:08 PM CDT | River Flood Warning | FSD | Brookings, Hamlin | 21 days |
| Sep 12, 5:34 PM CDT | River Flood Warning | ABR | Hamlin | 4 days |
| Sep 12, 5:34 PM CDT | River Flood Warning | ABR | Codington | 25 hr |
| Sep 12, 5:34 PM CDT | River Flood Warning | ABR | Codington | 20 hr |
| Sep 12, 9:29 PM CDT | River Flood Warning | ABR | Codington | 7 hr |
| Sep 13, 10:29 AM CDT | Areal Flood Warning | FSD | Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 4 more | 24 hr |
| Sep 13, 11:43 AM CDT | River Flood Warning | FSD | Union | 21 days |
| Sep 13, 1:04 PM CDT | River Flood Warning | ABR | Corson | 24 hr |
| Sep 13, 1:13 PM CDT | Areal Flood Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha, Moody | 24 hr |
| Sep 13, 7:45 PM CDT | River Flood Warning | FSD | Minnehaha | 6 days |
| Sep 13, 9:31 PM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 21 days |
| Sep 14, 1:53 AM CDT | River Flood Warning | FSD | Union | 7 days |
| Sep 14, 4:50 AM CDT | River Flood Warning | FSD | Union | 21 days |
| Sep 14, 10:25 AM CDT | Areal Flood Warning | FSD | Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 4 more | 48 hr |
| Sep 14, 11:34 AM CDT | River Flood Warning | FSD | Union | 5 days |
| Sep 14, 1:13 PM CDT | Areal Flood Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha, Moody | 48 hr |
| Sep 15, 3:19 AM CDT | Dense Fog Advisory | FSD | Beadle, Brookings, Clay, Davison, Hanson, Hutchinson and 11 more | 9 hr |
| Sep 15, 4:02 AM CDT | Dense Fog Advisory | ABR | Brown, Clark, Codington, Deuel, Grant, Hamlin and 1 more | 6 hr |
| Sep 15, 3:52 PM CDT | River Flood Warning | ABR | Spink | 8 days |
| Sep 16, 2:14 PM CDT | River Flood Warning | FSD | Union | 21 days |
| Sep 17, 2:22 AM CDT | Special Weather Statement | ABR | Marshall, Roberts | 53 min |
| Sep 17, 3:45 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence | 60 min |
| Sep 17, 4:48 PM CDT | Special Weather Statement | UNR | Custer | 27 min |
| Sep 17, 4:53 PM CDT | Special Weather Statement | UNR | Butte | 37 min |
| Sep 17, 5:18 PM CDT | Special Weather Statement | UNR | Pennington | 42 min |
| Sep 17, 5:21 PM CDT | Special Weather Statement | UNR | Butte, Harding | 39 min |
| Sep 17, 5:57 PM CDT | Special Weather Statement | UNR | Harding | 48 min |
| Sep 17, 5:58 PM CDT | Special Weather Statement | UNR | Meade | 47 min |
| Sep 17, 6:42 PM CDT | Special Weather Statement | UNR | Haakon, Jackson, Ziebach | 78 min |
| Sep 17, 9:07 PM CDT | Special Weather Statement | UNR | Butte | 53 min |
| Sep 17, 9:28 PM CDT | Special Weather Statement | ABR | Lyman | 32 min |
| Sep 17, 11:48 PM CDT | Special Weather Statement | ABR | Brown | 12 min |
| Sep 18, 12:55 AM CDT | Special Weather Statement | ABR | Day, Marshall, Roberts | 80 min |
| Sep 18, 10:09 AM CDT | River Flood Warning | FSD | Charles Mix | 76 days |
| Sep 18, 10:27 PM CDT | Flash Flood Watch | FSD | Union | 7 hr |
| Sep 19, 8:26 AM CDT | River Flood Warning | FSD | Bon Homme, Charles Mix | 72 days |
| Sep 20, 3:22 AM CDT | Special Weather Statement | ABR | Marshall | 38 min |
| Sep 20, 1:50 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Potter, Walworth | 8 hr |
| Sep 20, 3:07 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 113 min |
| Sep 20, 5:02 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Corson, Custer, Dewey, Fall River, Haakon and 12 more | 9 hr |
| Sep 20, 5:49 PM CDT | Special Weather Statement | UNR | 26 min | |
| Sep 20, 7:45 PM CDT | Special Weather Statement | UNR | 30 min | |
| Sep 20, 7:53 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Jones and 7 more | 2 hr |
| Sep 20, 8:48 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 27 min |
| Sep 20, 8:58 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Meade, Pennington | 62 min |
| Sep 20, 9:11 PM CDT | Special Weather Statement | UNR | Bennett | 34 min |
| Sep 20, 9:25 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 65 min |
| Sep 20, 9:38 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Pennington | 67 min |
| Sep 20, 10:20 PM CDT | Mesoscale Discussion | SPC | Bennett, Buffalo, Campbell, Corson, Dewey, Edmunds and 20 more | 115 min |
| Sep 20, 10:37 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins, Ziebach | 53 min |
| Sep 20, 10:39 PM CDT | Special Weather Statement | UNR | Custer | 36 min |
| Sep 20, 10:40 PM CDT | Special Weather Statement | UNR | Harding | 35 min |
| Sep 20, 11:12 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 63 min |
| Sep 20, 11:40 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 35 min |
| Sep 21, 12:06 AM CDT | Special Weather Statement | UNR | Bennett, Mellette, Todd | 54 min |
| Sep 21, 12:08 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 37 min |
| Sep 21, 1:22 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 37 more | 83 min |
| Sep 23, 3:15 PM CDT | Wind Advisory | UNR | Butte, Harding, Meade, Perkins, Ziebach | 24 hr |
| Sep 25, 7:54 PM CDT | Special Weather Statement | ABR | McPherson | 81 min |
| Sep 28, 3:31 AM CDT | Wind Advisory | UNR | Butte, Harding, Meade, Perkins | 18 hr |
| Sep 29, 5:32 PM CDT | Mesoscale Discussion | SPC | Todd, Tripp | 58 min |
| Sep 29, 7:56 PM CDT | Special Weather Statement | UNR | Lawrence | 49 min |
| Sep 29, 8:28 PM CDT | Special Weather Statement | UNR | Lawrence | 32 min |
| Sep 29, 8:38 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Dewey, Fall River, Haakon, Jackson and 6 more | 3 hr |
| Sep 29, 8:43 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 62 min |
| Sep 29, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 14 more | 7 hr |
| Sep 29, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 36 min |
| Sep 29, 10:10 PM CDT | Special Weather Statement | UNR | Butte | 50 min |
| Sep 29, 10:20 PM CDT | Special Weather Statement | UNR | Butte | 40 min |
| Sep 29, 10:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 61 min |
| Sep 29, 10:47 PM CDT | Special Weather Statement | UNR | Butte | 43 min |
| Sep 29, 10:56 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 49 min |
| Sep 29, 11:11 PM CDT | Mesoscale Discussion | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 15 more | 2 hr |
| Sep 29, 11:12 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 63 min |
| Sep 29, 11:19 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 56 min |
| Sep 29, 11:35 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 55 min |
| Sep 30, 12:01 AM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 44 min |
| Sep 30, 12:05 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 40 min |
| Sep 30, 12:07 AM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 23 min |
| Sep 30, 12:30 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 30 min |
| Sep 30, 12:43 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 47 min |
| Sep 30, 12:58 AM CDT | Special Weather Statement | UNR | Perkins | 62 min |
| Sep 30, 1:37 AM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Edmunds, McPherson, Marshall, Roberts and 1 more | 113 min |
| Sep 30, 2:30 AM CDT | Special Weather Statement | UNR | Meade | 45 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 | 57 |
| Tornado Warning | 14 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 45 |
| Flooding | |
| Areal Flood Warning | 12 |
| Flash Flood Warning | 13 |
| River Flood Warning | 51 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| 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.
- Minnehaha County37
- Charles Mix County29
- McCook County27
- Hanson County25
- Butte County24
- Hutchinson County24
- Douglas County23
- Moody County22
- Lincoln County22
- Meade County21
- Davison County21
- Turner County21
- Todd County18
- Gregory County18
- Aurora County18
- Bon Homme County18
- Brule County17
- Lake County16
- Union County16
- Lawrence County15
- Perkins County15
- Haakon County15
- Roberts County15
- Miner County15
- Mellette County14
- Bennett County14
- Tripp County14
- Ziebach County13
- Marshall County13
- Pennington County12
- Clay County12
- Yankton County12
- Corson County12
- Brookings County11
- Fall River County10
- Oglala Lakota County10
- Jackson County10
- Stanley County10
- Dewey County10
- Custer County9
26 more counties
- Harding County9
- Hughes County9
- Brown County9
- Day County9
- Campbell County8
- Codington County8
- Jones County7
- Lyman County7
- Edmunds County7
- McPherson County7
- Spink County7
- Sanborn County7
- Sully County6
- Hamlin County6
- Walworth County6
- Buffalo County5
- Hand County5
- Hyde County5
- Kingsbury County5
- Potter County5
- Clark County4
- Deuel County4
- Grant County4
- Beadle County4
- Jerauld County4
- Faulk County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.