Alert archive / South Dakota / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in South Dakota, August 2018
100 severe thunderstorm warnings in August 2018. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 100
- Busiest day
- August 5, 201820 severe thunderstorm warnings
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, 7:08 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 27 min |
| Aug 3, 1:29 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant | 46 min |
| Aug 3, 4:12 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant | 37 min |
| Aug 3, 5:35 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 40 min |
| Aug 3, 8:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Custer, Lawrence, Pennington | 61 min |
| Aug 3, 9:24 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade, Pennington | 66 min |
| Aug 3, 9:47 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 58 min |
| Aug 3, 10:41 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 64 min |
| Aug 3, 11:56 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 64 min |
| Aug 4, 12:06 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 39 min |
| Aug 4, 2:07 AM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 53 min |
| Aug 4, 3:52 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 19 min |
| Aug 4, 6:03 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 27 min |
| Aug 4, 7:01 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 15 min |
| Aug 4, 9:37 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 23 min |
| Aug 4, 10:00 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 45 min |
| Aug 4, 10:44 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Lyman, Stanley | 21 min |
| Aug 4, 11:14 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 31 min |
| Aug 4, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 31 min |
| Aug 5, 12:11 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld, Sanborn | 34 min |
| Aug 5, 12:25 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 35 min |
| Aug 5, 12:34 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Jerauld, Sanborn | 41 min |
| Aug 5, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 31 min |
| Aug 5, 12:52 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 23 min |
| Aug 5, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Lake, McCook, Miner, Sanborn | 52 min |
| Aug 5, 1:20 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 40 min |
| Aug 5, 1:29 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 46 min |
| Aug 5, 1:41 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson, McCook, Minnehaha, Turner | 34 min |
| Aug 5, 1:54 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 51 min |
| Aug 5, 2:12 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Hutchinson, Lincoln, Turner, Yankton | 48 min |
| Aug 5, 2:25 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Union | 50 min |
| Aug 5, 2:41 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 49 min |
| Aug 5, 3:06 AM CDT | Severe Thunderstorm Warning | FSD | Union | 39 min |
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 34 min |
| Aug 6, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 31 min |
| Aug 6, 5:59 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 31 min |
| Aug 6, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 61 min |
| Aug 6, 6:38 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 37 min |
| Aug 6, 7:06 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 39 min |
| Aug 6, 7:49 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 41 min |
| Aug 15, 7:54 AM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 66 min |
| Aug 15, 8:25 AM CDT | Severe Thunderstorm Warning | UNR | Bennett | 34 min |
| Aug 15, 4:27 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 28 min |
| Aug 18, 3:12 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 39 min |
| Aug 18, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 18 min |
| Aug 18, 8:49 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 26 min |
| Aug 23, 4:21 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 54 min |
| Aug 23, 4:32 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 58 min |
| Aug 23, 4:38 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 37 min |
| Aug 23, 5:07 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 53 min |
| Aug 23, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 68 min |
| Aug 23, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 30 min |
| Aug 23, 5:33 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Pennington | 27 min |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 50 min |
| Aug 23, 5:59 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 46 min |
| Aug 23, 6:00 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 30 min |
| Aug 23, 6:12 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 33 min |
| Aug 23, 6:24 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 36 min |
| Aug 23, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington, Ziebach | 29 min |
| Aug 23, 6:35 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 55 min |
| Aug 23, 6:38 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 54 min |
| Aug 23, 6:44 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 31 min |
| Aug 23, 6:50 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 25 min |
| Aug 23, 7:08 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 52 min |
| Aug 23, 7:13 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 47 min |
| Aug 23, 7:22 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 53 min |
| Aug 23, 7:25 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 42 min |
| Aug 23, 8:37 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 23 min |
| Aug 23, 9:01 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 17 min |
| Aug 25, 10:20 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hughes, Hyde, Lyman | 25 min |
| Aug 25, 10:55 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 35 min |
| Aug 26, 5:19 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 56 min |
| Aug 26, 6:15 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 45 min |
| Aug 26, 8:07 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 38 min |
| Aug 26, 8:46 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 59 min |
| Aug 26, 7:18 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Hughes, Stanley, Sully | 42 min |
| Aug 26, 7:39 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 51 min |
| Aug 26, 8:14 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 61 min |
| Aug 26, 8:20 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 40 min |
| Aug 26, 8:48 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 42 min |
| Aug 26, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 32 min |
| Aug 26, 10:03 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 42 min |
| Aug 26, 11:12 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 33 min |
| Aug 26, 11:19 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 41 min |
| Aug 27, 12:17 AM CDT | Severe Thunderstorm Warning | ABR | Deuel, Hamlin | 43 min |
| Aug 27, 2:24 PM CDT | Severe Thunderstorm Warning | FSD | Union | 36 min |
| Aug 27, 2:51 PM CDT | Severe Thunderstorm Warning | FSD | Union | 39 min |
| Aug 27, 5:19 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington | 56 min |
| Aug 27, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 53 min |
| Aug 27, 6:27 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 48 min |
| Aug 27, 6:54 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 36 min |
| Aug 27, 7:54 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 51 min |
| Aug 28, 12:42 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hanson, Hutchinson | 33 min |
| Aug 28, 1:07 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Hutchinson, McCook | 38 min |
| Aug 28, 1:43 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 47 min |
| Aug 28, 2:25 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 18 min |
| Aug 28, 2:37 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 38 min |
| Aug 28, 3:08 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 52 min |
| Aug 28, 3:20 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Minnehaha, Turner | 40 min |
| Aug 28, 3:48 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County12
- Meade County10
- Lyman County8
- Hutchinson County8
- Hughes County7
- Minnehaha County7
- Turner County7
- Oglala Lakota County6
- Stanley County6
- McCook County6
- Lincoln County6
- Jackson County6
- Brown County5
- Butte County5
- Lawrence County5
- Dewey County5
- Corson County5
- Mellette County5
- Haakon County5
- Hand County5
- Hyde County5
- Custer County4
- Sully County4
- Aurora County4
- Sanborn County4
- Davison County4
- Hanson County4
- Union County4
- McPherson County3
- Deuel County3
- Buffalo County3
- Bon Homme County3
- Jones County3
- Potter County3
- Beadle County3
- Edmunds County2
- Codington County2
- Grant County2
- Harding County2
- Ziebach County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.