Alert archive / South Dakota / 2017
Weather alerts in South Dakota, April 2017
56 weather alerts in April 2017, 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 2017. Tap one for its archive.
- Alerts
- 56
- Warnings
- 11
- Watches
- 8
- Advisories
- 21
- Busiest day
- April 18, 201713 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 2, 2:50 PM CDT | Winter Weather Advisory | UNR | Custer, Lawrence, Meade, Pennington | 22 hr |
| Apr 3, 1:52 AM CDT | Dense Fog Advisory | FSD | Bon Homme, Brookings, Clay, Hanson, Hutchinson, Lake and 7 more | 10 hr |
| Apr 6, 2:53 PM CDT | Fire Weather Watch | ABR | 12 hr | |
| Apr 6, 3:01 PM CDT | Fire Weather Watch | FSD | 12 hr | |
| Apr 6, 3:13 PM CDT | Fire Weather Watch | UNR | 13 hr | |
| Apr 7, 2:52 AM CDT | Red Flag Warning | ABR | 15 hr | |
| Apr 7, 3:09 AM CDT | Red Flag Warning | FSD | 16 hr | |
| Apr 7, 4:15 AM CDT | Red Flag Warning | UNR | 16 hr | |
| Apr 7, 9:50 AM CDT | Wind Advisory | ABR | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 9 hr |
| Apr 7, 10:02 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 11 more | 9 hr |
| Apr 7, 3:55 PM CDT | Winter Storm Watch | UNR | Custer, Lawrence, Meade, Pennington | 37 hr |
| Apr 9, 4:31 AM CDT | Winter Storm Warning | UNR | Custer, Lawrence, Meade, Pennington | 27 hr |
| Apr 9, 4:31 AM CDT | Winter Weather Advisory | UNR | Butte, Custer, Fall River, Haakon, Jackson, Lawrence and 2 more | 29 hr |
| Apr 9, 3:16 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Moody, Turner, Union | 119 min |
| Apr 10, 7:18 AM CDT | Winter Weather Advisory | ABR | Jones, Stanley | 3 hr |
| Apr 10, 8:49 AM CDT | Winter Weather Advisory | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory | 4 hr |
| Apr 12, 3:27 PM CDT | Wind Advisory | UNR | Butte, Harding, Perkins | 32 hr |
| Apr 12, 11:39 PM CDT | Dense Fog Advisory | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 14 more | 10 hr |
| Apr 13, 4:45 AM CDT | Dense Fog Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 15 more | 5 hr |
| Apr 13, 5:20 AM CDT | Dense Fog Advisory | UNR | Bennett, Jackson, Mellette, Oglala Lakota, Todd, Tripp | 5 hr |
| Apr 13, 10:02 AM CDT | Dense Fog Advisory | FSD | Aurora, Bon Homme, Brule, Charles Mix, Douglas, Gregory and 1 more | 58 min |
| Apr 13, 10:03 AM CDT | Dense Fog Advisory | UNR | Tripp | 57 min |
| Apr 14, 8:03 PM CDT | Special Weather Statement | ABR | Sully | 42 min |
| Apr 14, 9:04 PM CDT | Special Weather Statement | ABR | Sully | 56 min |
| Apr 15, 2:06 AM CDT | Dense Fog Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 14 more | 4 hr |
| Apr 15, 2:09 AM CDT | Dense Fog Advisory | ABR | Clark, Codington, Day, Deuel, Grant, Hamlin | 4 hr |
| Apr 15, 10:05 AM CDT | Special Weather Statement | ABR | Lyman | 55 min |
| Apr 15, 3:19 PM CDT | Fire Weather Watch | ABR | 13 hr | |
| Apr 15, 4:01 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union | 119 min |
| Apr 15, 6:22 PM CDT | Mesoscale Discussion | SPC | Clay, Union | 83 min |
| Apr 15, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 46 min |
| Apr 15, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 45 min |
| Apr 16, 3:51 AM CDT | Red Flag Warning | ABR | 16 hr | |
| Apr 17, 8:27 PM CDT | Special Weather Statement | ABR | Dewey | 33 min |
| Apr 17, 8:55 PM CDT | Special Weather Statement | UNR | Harding | 35 min |
| Apr 17, 9:09 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 81 min |
| Apr 17, 9:24 PM CDT | Special Weather Statement | UNR | Butte, Lawrence | 36 min |
| Apr 17, 9:25 PM CDT | Special Weather Statement | UNR | Haakon | 35 min |
| Apr 17, 9:40 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 65 min |
| Apr 17, 10:11 PM CDT | Special Weather Statement | ABR | Stanley | 34 min |
| Apr 17, 10:24 PM CDT | Mesoscale Discussion | SPC | Dewey, Haakon, Meade, Stanley, Ziebach | 2 hr |
| Apr 17, 10:25 PM CDT | Special Weather Statement | UNR | Perkins | 35 min |
| Apr 17, 10:37 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington, Ziebach | 53 min |
| Apr 17, 10:42 PM CDT | Special Weather Statement | ABR | Potter | 33 min |
| Apr 17, 11:00 PM CDT | Special Weather Statement | UNR | Perkins | 30 min |
| Apr 17, 11:30 PM CDT | Special Weather Statement | UNR | Haakon, Ziebach | 30 min |
| Apr 24, 5:14 AM CDT | Winter Storm Watch | UNR | Custer, Lawrence, Meade, Pennington | 11 hr |
| Apr 24, 3:46 PM CDT | Winter Weather Advisory | UNR | Butte, Custer, Lawrence, Meade, Pennington | 24 hr |
| Apr 26, 4:51 AM CDT | Winter Weather Advisory | ABR | Brown, Day, Marshall, Roberts | 14 hr |
| Apr 27, 4:45 AM CDT | Winter Weather Advisory | UNR | Custer, Fall River, Pennington | 35 hr |
| Apr 29, 3:25 PM CDT | Winter Storm Watch | FSD | Brookings, Kingsbury, Lake, Miner, Moody | 12 hr |
| Apr 29, 3:37 PM CDT | Winter Storm Watch | ABR | Clark, Codington, Deuel, Grant, Hamlin, Roberts | 12 hr |
| Apr 30, 3:34 AM CDT | Winter Storm Warning | ABR | Codington, Deuel, Grant | 23 hr |
| Apr 30, 3:34 AM CDT | Winter Weather Advisory | ABR | Codington, Deuel, Grant, Hamlin, Roberts | 31 hr |
| Apr 30, 3:49 AM CDT | Winter Weather Advisory | FSD | Bon Homme, Brookings, Clay, Hanson, Hutchinson, Kingsbury and 8 more | 30 hr |
| Apr 30, 3:01 PM CDT | Wind Advisory | UNR | Bennett, Butte, Custer, Haakon, Harding, Jackson and 6 more | 29 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 | 5 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 12 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 9 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Meade County10
- Lawrence County9
- Pennington County9
- Custer County8
- Clay County8
- Butte County7
- Bon Homme County6
- Brookings County6
- Hutchinson County6
- Lake County6
- Moody County6
- Codington County6
- Deuel County6
- Grant County6
- Haakon County6
- Hanson County5
- Lincoln County5
- McCook County5
- Turner County5
- Union County5
- Hamlin County5
- Roberts County5
- Aurora County5
- Brule County5
- Charles Mix County5
- Douglas County5
- Kingsbury County5
- Miner County5
- Minnehaha County4
- Yankton County4
- Clark County4
- Day County4
- Gregory County4
- Stanley County4
- Harding County4
- Perkins County4
- Ziebach County4
- Brown County3
- Marshall County3
- Beadle County3
23 more counties
- Davison County3
- Jerauld County3
- Sanborn County3
- Jackson County3
- Spink County2
- Fall River County2
- Jones County2
- Lyman County2
- Bennett County2
- Oglala Lakota County2
- Tripp County2
- Sully County2
- Dewey County2
- Buffalo County1
- Edmunds County1
- Faulk County1
- Hand County1
- Hughes County1
- Hyde County1
- McPherson County1
- Mellette County1
- Todd County1
- Potter County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.