Alert archive / South Dakota / 2020
Weather alerts in South Dakota, April 2020
61 weather alerts in April 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 April 2020. Tap one for its archive.
- Alerts
- 61
- Warnings
- 17
- Watches
- 7
- Advisories
- 16
- Busiest day
- April 7, 202012 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 1, 4:00 AM CDT | Winter Storm Watch | ABR | Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more | 11 hr |
| Apr 1, 4:00 AM CDT | Winter Weather Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 51 hr |
| Apr 1, 4:42 AM CDT | Winter Weather Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 53 hr |
| Apr 1, 4:48 AM CDT | Winter Storm Warning | UNR | Custer, Haakon, Lawrence, Meade, Pennington, Ziebach | 31 hr |
| Apr 1, 2:44 PM CDT | Winter Storm Warning | ABR | Brown, Campbell, Clark, Codington, Corson, Day and 12 more | 24 hr |
| Apr 1, 5:06 PM CDT | Special Weather Statement | UNR | Mellette | 39 min |
| Apr 2, 10:20 AM CDT | River Flood Warning | ABR | Hamlin | 11 days |
| Apr 5, 2:56 PM CDT | Fire Weather Watch | UNR | Bennett, Custer, Fall River, Jackson, Meade, Oglala Lakota and 1 more | 15 hr |
| Apr 5, 7:56 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 49 min |
| Apr 5, 8:46 PM CDT | Special Weather Statement | UNR | Jackson | 44 min |
| Apr 6, 5:30 AM CDT | Red Flag Warning | UNR | Bennett, Custer, Fall River, Jackson, Meade, Oglala Lakota and 1 more | 38 hr |
| Apr 6, 6:21 PM CDT | Special Weather Statement | ABR | Walworth | 24 min |
| Apr 6, 6:55 PM CDT | Special Weather Statement | ABR | McPherson | 50 min |
| Apr 6, 7:31 PM CDT | Special Weather Statement | ABR | Edmunds | 29 min |
| Apr 6, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 45 min |
| Apr 6, 7:53 PM CDT | Mesoscale Discussion | SPC | Brown, Day, Edmunds, Faulk, Grant, McPherson and 3 more | 3 hr |
| Apr 6, 8:01 PM CDT | Special Weather Statement | ABR | McPherson | 29 min |
| Apr 6, 8:30 PM CDT | Special Weather Statement | UNR | Butte | 45 min |
| Apr 6, 8:41 PM CDT | Special Weather Statement | ABR | Brown | 34 min |
| Apr 6, 8:51 PM CDT | Special Weather Statement | ABR | Marshall | 24 min |
| Apr 6, 9:14 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 46 min |
| Apr 6, 9:15 PM CDT | Special Weather Statement | UNR | Meade | 45 min |
| Apr 6, 9:56 PM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 49 min |
| Apr 6, 10:43 PM CDT | Special Weather Statement | ABR | Roberts | 32 min |
| Apr 7, 1:56 AM CDT | Mesoscale Discussion | SPC | Marshall, Roberts | 3 hr |
| Apr 8, 3:14 AM CDT | Wind Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 17 hr |
| Apr 8, 3:20 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Hanson and 8 more | 16 hr |
| Apr 8, 3:36 AM CDT | Wind Advisory | UNR | Butte, Haakon, Harding, Meade, Pennington, Perkins and 1 more | 16 hr |
| Apr 8, 3:29 PM CDT | Wind Advisory | FSD | Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 4 more | 26 hr |
| Apr 9, 3:02 AM CDT | Winter Storm Watch | UNR | Bennett, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 2 more | 37 hr |
| Apr 9, 8:44 AM CDT | Snow Squall Warning | ABR | Brown, Clark, Day, Edmunds, Faulk, Hand and 2 more | 61 min |
| Apr 9, 9:43 AM CDT | Snow Squall Warning | ABR | Clark, Codington, Day, Hamlin, Spink | 62 min |
| Apr 9, 10:01 AM CDT | Snow Squall Warning | FSD | Beadle, Brookings, Kingsbury | 59 min |
| Apr 9, 11:55 AM CDT | Snow Squall Warning | FSD | Lake, Lincoln, Minnehaha, Moody, Turner | 50 min |
| Apr 10, 3:32 PM CDT | Winter Storm Watch | FSD | Bon Homme, Charles Mix, Clay, Gregory, Union, Yankton | 23 hr |
| Apr 10, 3:35 PM CDT | Winter Storm Warning | UNR | Bennett, Custer, Fall River, Jackson, Lawrence, Meade and 5 more | 42 hr |
| Apr 10, 3:35 PM CDT | Winter Weather Advisory | UNR | Butte, Custer, Haakon, Harding, Jackson, Meade and 5 more | 39 hr |
| Apr 10, 5:26 PM CDT | Winter Weather Advisory | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more | 36 hr |
| Apr 11, 3:08 AM CDT | Winter Storm Warning | FSD | Bon Homme, Brule, Charles Mix, Clay, Douglas, Gregory and 9 more | 43 hr |
| Apr 11, 3:08 AM CDT | Winter Weather Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Douglas and 12 more | 43 hr |
| Apr 11, 1:49 PM CDT | Winter Storm Warning | ABR | Jones, Lyman | 16 hr |
| Apr 12, 6:26 AM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Lincoln, Turner, Yankton | 4 hr |
| Apr 16, 4:13 AM CDT | Dense Fog Advisory | ABR | Buffalo, Hughes, Hyde, Jones, Lyman, Potter and 2 more | 6 hr |
| Apr 16, 8:47 PM CDT | Winter Weather Advisory | UNR | Custer | 118 min |
| Apr 19, 3:04 PM CDT | Fire Weather Watch | FSD | 13 hr | |
| Apr 19, 3:17 PM CDT | Fire Weather Watch | ABR | 12 hr | |
| Apr 20, 3:34 AM CDT | Wind Advisory | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 15 hr |
| Apr 20, 3:38 AM CDT | Wind Advisory | UNR | Bennett, Butte, Haakon, Harding, Jackson, Meade and 6 more | 15 hr |
| Apr 20, 3:44 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 16 more | 15 hr |
| Apr 20, 4:05 AM CDT | Red Flag Warning | FSD | 15 hr | |
| Apr 21, 1:15 PM CDT | Red Flag Warning | ABR | 6 hr | |
| Apr 23, 3:01 PM CDT | Special Weather Statement | UNR | Haakon | 44 min |
| Apr 23, 3:21 PM CDT | Special Weather Statement | UNR | Pennington | 54 min |
| Apr 23, 4:22 PM CDT | Special Weather Statement | UNR | Pennington | 38 min |
| Apr 23, 4:55 PM CDT | Special Weather Statement | ABR | Jones | 80 min |
| Apr 27, 2:44 PM CDT | High Wind Watch | UNR | Butte, Harding, Meade, Perkins | 13 hr |
| Apr 27, 2:44 PM CDT | Wind Advisory | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Lawrence and 7 more | 30 hr |
| Apr 27, 2:54 PM CDT | Wind Advisory | ABR | Corson, Dewey, Jones, Lyman, Stanley | 30 hr |
| Apr 28, 3:42 AM CDT | High Wind Warning | UNR | Butte, Haakon, Harding, Jackson, Meade, Pennington and 2 more | 17 hr |
| Apr 28, 5:31 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 13 more | 119 min |
| Apr 30, 6:15 PM CDT | Special Weather Statement | UNR | 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 | 3 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 17 |
| Flooding | |
| River Flood Warning | 1 |
| Winter | |
| Snow Squall Warning | 4 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Meade County12
- Pennington County12
- Marshall County10
- Roberts County9
- Brown County9
- Jones County9
- McPherson County9
- Day County8
- Edmunds County8
- Lyman County8
- Stanley County8
- Custer County8
- Jackson County8
- Clark County7
- Hamlin County7
- Spink County7
- Bon Homme County7
- Lincoln County7
- Turner County7
- Haakon County7
- Codington County6
- Grant County6
- Buffalo County6
- Hand County6
- Hughes County6
- Hyde County6
- Brule County6
- Charles Mix County6
- Douglas County6
- Gregory County6
- Lake County6
- Minnehaha County6
- Moody County6
- Yankton County6
- Ziebach County6
- Mellette County6
- Bennett County6
- Oglala Lakota County6
- Butte County6
- Deuel County5
26 more counties
- Corson County5
- Dewey County5
- Faulk County5
- Potter County5
- Sully County5
- Walworth County5
- Aurora County5
- Beadle County5
- Brookings County5
- Clay County5
- Davison County5
- Hutchinson County5
- Jerauld County5
- Kingsbury County5
- McCook County5
- Fall River County5
- Harding County5
- Perkins County5
- Todd County5
- Tripp County5
- Campbell County4
- Hanson County4
- Miner County4
- Sanborn County4
- Union County4
- Lawrence County4
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.