Alert archive / South Dakota / 2020
Weather alerts in South Dakota, May 2020
134 weather alerts in May 2020, 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 May 2020. Tap one for its archive.
- Alerts
- 134
- Warnings
- 60
- Watches
- 8
- Advisories
- 10
- Busiest day
- May 23, 202029 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 |
|---|---|---|---|---|
| Apr 30, 7:56 PM CDT | Special Weather Statement | UNR | Fall River | 49 min |
| Apr 30, 8:22 PM CDT | Special Weather Statement | UNR | Custer | 38 min |
| Apr 30, 8:41 PM CDT | Special Weather Statement | UNR | Custer, Fall River | 49 min |
| Apr 30, 8:56 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 34 min |
| Apr 30, 9:03 PM CDT | Special Weather Statement | UNR | Lawrence | 42 min |
| Apr 30, 9:21 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 39 min |
| Apr 30, 9:24 PM CDT | Special Weather Statement | UNR | Pennington | 51 min |
| Apr 30, 9:44 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota, Pennington | 46 min |
| Apr 30, 10:00 PM CDT | Special Weather Statement | LBF | Bennett | 30 min |
| Apr 30, 10:03 PM CDT | Special Weather Statement | UNR | Haakon | 42 min |
| Apr 30, 10:26 PM CDT | Special Weather Statement | UNR | Mellette, Todd | 64 min |
| Apr 30, 10:42 PM CDT | Special Weather Statement | UNR | Haakon | 48 min |
| Apr 30, 11:09 PM CDT | Special Weather Statement | ABR | Jones, Stanley | 51 min |
| Apr 30, 11:16 PM CDT | Special Weather Statement | UNR | Tripp | 59 min |
| May 1, 12:05 AM CDT | Special Weather Statement | ABR | Jones | 55 min |
| May 2, 3:08 AM CDT | Red Flag Warning | ABR | 16 hr | |
| May 3, 2:32 PM CDT | Wind Advisory | UNR | Custer, Meade, Pennington | 25 hr |
| May 3, 3:08 PM CDT | Special Weather Statement | UNR | Lawrence | 37 min |
| May 3, 3:10 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade, Pennington, Perkins | 2 hr |
| May 3, 3:33 PM CDT | Special Weather Statement | UNR | Lawrence | 27 min |
| May 3, 3:45 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 45 min |
| May 3, 4:05 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 40 min |
| May 3, 4:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 45 min |
| May 3, 4:37 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 53 min |
| May 3, 5:14 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Meade, Pennington | 61 min |
| May 3, 5:24 PM CDT | Special Weather Statement | UNR | Bennett | 51 min |
| May 3, 5:46 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 44 min |
| May 3, 5:55 PM CDT | Special Weather Statement | UNR | Pennington | 50 min |
| May 3, 6:04 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 30 min |
| May 3, 6:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 60 min |
| May 3, 6:19 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 41 min |
| May 3, 6:26 PM CDT | Special Weather Statement | UNR | Fall River | 49 min |
| May 3, 7:07 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 38 min |
| May 3, 7:14 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 61 min |
| May 3, 7:20 PM CDT | Special Weather Statement | UNR | 40 min | |
| May 3, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 76 min |
| May 3, 7:33 PM CDT | Special Weather Statement | UNR | Fall River | 42 min |
| May 3, 7:44 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 61 min |
| May 3, 8:05 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 55 min |
| May 3, 8:54 PM CDT | Special Weather Statement | UNR | Butte | 66 min |
| May 3, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 63 min |
| May 3, 9:44 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 46 min |
| May 3, 10:45 PM CDT | Special Weather Statement | LBF | Todd | 60 min |
| May 5, 2:25 PM CDT | Special Weather Statement | UNR | Perkins | 50 min |
| May 5, 4:57 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 33 min |
| May 7, 3:49 AM CDT | Freeze Watch | FSD | Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 2 more | 12 hr |
| May 7, 3:49 AM CDT | Freeze Warning | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 14 more | 29 hr |
| May 7, 3:31 PM CDT | Frost Advisory | FSD | Bon Homme, Clay, Union, Yankton | 17 hr |
| May 8, 3:32 AM CDT | Frost Advisory | FSD | Brookings, Lincoln, Minnehaha, Moody, Union | 28 hr |
| May 8, 2:44 PM CDT | High Wind Watch | UNR | Butte, Harding, Meade, Pennington, Perkins | 6 hr |
| May 8, 2:44 PM CDT | Wind Advisory | UNR | Bennett, Butte, Custer, Haakon, Harding, Jackson and 9 more | 30 hr |
| May 8, 9:36 PM CDT | Wind Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 16 more | 23 hr |
| May 9, 3:38 AM CDT | Freeze Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 17 more | 29 hr |
| May 9, 3:54 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 8 more | 17 hr |
| May 9, 10:05 AM CDT | High Wind Warning | UNR | Harding, Perkins | 6 hr |
| May 10, 4:20 AM CDT | Freeze Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 28 hr |
| May 11, 2:30 PM CDT | Freeze Warning | FSD | Brookings, Moody | 18 hr |
| May 11, 9:24 PM CDT | Frost Advisory | FSD | Hanson, Kingsbury, Lake, Lincoln, McCook, Miner and 2 more | 11 hr |
| May 13, 6:21 PM CDT | Special Weather Statement | UNR | Fall River | 24 min |
| May 13, 6:43 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 32 min |
| May 13, 11:16 PM CDT | Special Weather Statement | UNR | Custer | 29 min |
| May 13, 11:43 PM CDT | Special Weather Statement | UNR | Custer | 32 min |
| May 14, 12:15 AM CDT | Special Weather Statement | UNR | Oglala Lakota | 45 min |
| May 14, 1:00 AM CDT | Special Weather Statement | UNR | Jackson | 45 min |
| May 14, 1:41 AM CDT | Special Weather Statement | UNR | Bennett | 49 min |
| May 14, 2:22 AM CDT | Special Weather Statement | UNR | Todd | 38 min |
| May 14, 9:19 AM CDT | River Flood Warning | FSD | Hutchinson, Yankton | 21 days |
| May 15, 12:26 PM CDT | Special Weather Statement | UNR | Pennington | 49 min |
| May 15, 3:01 PM CDT | Special Weather Statement | UNR | Jackson | 44 min |
| May 15, 4:42 PM CDT | Special Weather Statement | UNR | Fall River | 48 min |
| May 15, 4:56 PM CDT | Special Weather Statement | UNR | Bennett | 34 min |
| May 16, 11:43 AM CDT | Areal Flood Advisory | UNR | Butte, Lawrence | 6 hr |
| May 16, 1:17 PM CDT | Flash Flood Warning | UNR | Butte, Lawrence | 2 hr |
| May 18, 9:22 AM CDT | Wind Advisory | UNR | Harding, Perkins | 11 hr |
| May 20, 9:46 AM CDT | Wind Advisory | UNR | Butte, Harding, Meade, Perkins, Ziebach | 11 hr |
| May 20, 2:07 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Pennington | 83 min |
| May 20, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Lawrence, Meade, Pennington | 8 hr |
| May 20, 6:25 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence | 95 min |
| May 20, 6:42 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Lawrence, Pennington | 48 min |
| May 20, 7:17 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade, Pennington | 43 min |
| May 20, 8:03 PM CDT | Special Weather Statement | UNR | Butte | 27 min |
| May 20, 8:29 PM CDT | Special Weather Statement | UNR | Butte | 31 min |
| May 23, 12:24 PM CDT | Flash Flood Watch | UNR | Butte, Custer, Haakon, Harding, Lawrence, Meade and 3 more | 10 hr |
| May 23, 1:27 PM CDT | Special Weather Statement | UNR | Lawrence | 33 min |
| May 23, 1:41 PM CDT | Special Weather Statement | UNR | Pennington | 34 min |
| May 23, 1:48 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 117 min |
| May 23, 1:56 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 49 min |
| May 23, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 7 hr |
| May 23, 2:40 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 33 min |
| May 23, 2:42 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 48 min |
| May 23, 2:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 61 min |
| May 23, 3:20 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 28 min |
| May 23, 3:30 PM CDT | Special Weather Statement | UNR | Lawrence | 30 min |
| May 23, 3:32 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 43 min |
| May 23, 3:45 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 45 min |
| May 23, 3:48 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 42 min |
| May 23, 3:54 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Pennington | 66 min |
| May 23, 3:57 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 93 min |
| May 23, 4:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 64 min |
| May 23, 4:29 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 33 min |
| May 23, 4:58 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 62 min |
| May 23, 5:07 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 23 min |
| May 23, 5:23 PM CDT | Special Weather Statement | UNR | Pennington | 22 min |
| May 23, 5:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 64 min |
| May 23, 5:37 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 50 min |
| May 23, 5:41 PM CDT | Special Weather Statement | UNR | Ziebach | 49 min |
| May 23, 5:44 PM CDT | Flash Flood Warning | UNR | Meade | 4 hr |
| May 23, 5:51 PM CDT | Flash Flood Warning | UNR | Haakon, Jackson, Pennington | 5 hr |
| May 23, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington, Ziebach | 55 min |
| May 23, 6:27 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Harding, Lawrence and 4 more | 93 min |
| May 23, 6:44 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 31 min |
| May 23, 7:04 PM CDT | Flash Flood Warning | UNR | Meade, Pennington | 2 hr |
| May 23, 7:07 PM CDT | Flash Flood Warning | UNR | Haakon, Ziebach | 4 hr |
| May 23, 7:14 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Ziebach | 91 min |
| May 23, 7:23 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 52 min |
| May 23, 7:53 PM CDT | Mesoscale Discussion | SPC | Aurora, Brule, Buffalo, Campbell, Charles Mix, Corson and 17 more | 97 min |
| May 23, 7:54 PM CDT | Flash Flood Warning | UNR | Haakon | 5 hr |
| May 23, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 63 min |
| May 23, 8:29 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 4 more | 5 hr |
| May 23, 8:41 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 49 min |
| May 23, 8:44 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 46 min |
| May 23, 9:15 PM CDT | Special Weather Statement | UNR | Bennett | 45 min |
| May 23, 9:46 PM CDT | Special Weather Statement | ABR | Stanley | 44 min |
| May 23, 11:58 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 10 more | 6 hr |
| May 24, 3:25 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 50 min |
| May 24, 3:50 AM CDT | Severe Thunderstorm Warning | FSD | Union | 55 min |
| May 24, 3:55 AM CDT | Areal Flood Warning | ABR | Corson, Dewey | 6 hr |
| May 29, 11:22 PM CDT | Special Weather Statement | UNR | Lawrence | 38 min |
| May 29, 11:26 PM CDT | Special Weather Statement | UNR | Custer | 49 min |
| May 30, 12:10 AM CDT | Special Weather Statement | UNR | Lawrence | 50 min |
| May 31, 3:35 PM CDT | Mesoscale Discussion | SPC | Butte, Harding | 115 min |
| May 31, 4:43 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Oglala Lakota, Pennington | 2 hr |
| May 31, 4:45 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 25 min |
| May 31, 5:07 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Harding, Lawrence, Meade, Pennington and 1 more | 6 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 | 46 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 47 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 6 |
| River Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County44
- Meade County28
- Lawrence County26
- Custer County24
- Butte County23
- Jackson County20
- Haakon County18
- Bennett County17
- Fall River County15
- Harding County13
- Oglala Lakota County12
- Perkins County12
- Ziebach County9
- Todd County8
- Charles Mix County8
- Gregory County7
- Hutchinson County7
- Yankton County7
- Mellette County6
- Stanley County6
- Bon Homme County6
- Clay County6
- Douglas County6
- Union County6
- Aurora County6
- Brule County6
- Hanson County6
- Lincoln County6
- Minnehaha County6
- Jones County5
- Brookings County5
- Davison County5
- Jerauld County5
- Kingsbury County5
- McCook County5
- Miner County5
- Moody County5
- Turner County5
- Tripp County4
- Beadle County4
22 more counties
- Lake County4
- Sanborn County4
- Hughes County4
- Corson County3
- Dewey County3
- Lyman County3
- Buffalo County2
- Campbell County2
- Edmunds County2
- Faulk County2
- Hand County2
- Hyde County2
- Potter County2
- Sully County2
- Walworth County2
- Brown County1
- Clark County1
- Codington County1
- Day County1
- Hamlin County1
- McPherson County1
- Spink County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.