Alert archive / South Dakota / 2017
Weather alerts in South Dakota, September 2017
98 weather alerts in September 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 September 2017. Tap one for its archive.
- Alerts
- 98
- Warnings
- 59
- Watches
- 5
- Advisories
- 7
- Busiest day
- September 20, 201736 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 |
|---|---|---|---|---|
| Sep 1, 5:50 AM CDT | Red Flag Warning | UNR | 15 hr | |
| Sep 1, 2:44 PM CDT | Fire Weather Watch | UNR | 24 hr | |
| Sep 1, 3:45 PM CDT | Fire Weather Watch | ABR | 23 hr | |
| Sep 2, 2:33 PM CDT | Red Flag Warning | ABR | 30 hr | |
| Sep 2, 3:04 PM CDT | Red Flag Warning | UNR | 30 hr | |
| Sep 5, 3:07 PM CDT | Frost Advisory | UNR | Fall River, Oglala Lakota | 17 hr |
| Sep 8, 5:17 PM CDT | Special Weather Statement | UNR | Lawrence | 28 min |
| Sep 8, 5:45 PM CDT | Special Weather Statement | UNR | Lawrence | 45 min |
| Sep 8, 6:41 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Sep 8, 6:57 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| Sep 8, 7:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 46 min |
| Sep 8, 7:56 PM CDT | Mesoscale Discussion | SPC | Brule, Buffalo, Gregory, Haakon, Hughes, Jackson and 8 more | 94 min |
| Sep 8, 8:31 PM CDT | Special Weather Statement | UNR | Pennington | 29 min |
| Sep 8, 9:55 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 35 min |
| Sep 8, 10:25 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 65 min |
| Sep 9, 12:25 AM CDT | Special Weather Statement | UNR | Oglala Lakota | 50 min |
| Sep 9, 12:49 AM CDT | Special Weather Statement | ABR | Dewey | 86 min |
| Sep 9, 12:59 AM CDT | Special Weather Statement | ABR | Jones | 61 min |
| Sep 9, 1:05 AM CDT | Special Weather Statement | UNR | Pennington | 40 min |
| Sep 9, 1:12 AM CDT | Special Weather Statement | UNR | Oglala Lakota | 48 min |
| Sep 9, 2:07 AM CDT | Special Weather Statement | UNR | Oglala Lakota | 23 min |
| Sep 9, 2:10 AM CDT | Special Weather Statement | UNR | Pennington | 50 min |
| Sep 9, 2:53 AM CDT | Special Weather Statement | UNR | Pennington | 52 min |
| Sep 12, 1:46 PM CDT | Special Weather Statement | UNR | Custer | 44 min |
| Sep 12, 2:03 PM CDT | Areal Flood Advisory | UNR | Pennington | 3 hr |
| Sep 12, 2:13 PM CDT | Special Weather Statement | UNR | Pennington | 47 min |
| Sep 12, 6:38 PM CDT | Special Weather Statement | UNR | Todd | 67 min |
| Sep 12, 7:34 PM CDT | Special Weather Statement | UNR | Mellette, Todd | 56 min |
| Sep 13, 2:48 AM CDT | Special Weather Statement | ABR | Spink | 87 min |
| Sep 13, 11:06 PM CDT | Special Weather Statement | UNR | Perkins | 39 min |
| Sep 15, 5:48 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Turner, Union, Yankton | 2 hr |
| Sep 15, 6:30 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 45 min |
| Sep 15, 6:59 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner | 46 min |
| Sep 15, 7:30 PM CDT | Tornado Warning | FSD | Brookings, Kingsbury | 30 min |
| Sep 16, 2:36 PM CDT | Frost Advisory | UNR | Butte, Custer, Fall River, Haakon, Harding, Jackson and 6 more | 15 hr |
| Sep 16, 2:55 PM CDT | Frost Advisory | ABR | Corson, Dewey | 18 hr |
| Sep 19, 4:07 AM CDT | Fire Weather Watch | UNR | 24 hr | |
| Sep 19, 1:28 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 47 min |
| Sep 19, 1:51 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brown, Brule, Buffalo, Campbell and 24 more | 54 min |
| Sep 19, 2:43 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 17 min |
| Sep 19, 3:37 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 33 more | 8 hr |
| Sep 19, 6:27 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 33 min |
| Sep 19, 6:36 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 28 more | 114 min |
| Sep 19, 6:40 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 50 min |
| Sep 19, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 34 min |
| Sep 19, 7:01 PM CDT | Tornado Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 29 min |
| Sep 19, 7:23 PM CDT | Tornado Warning | ABR | McPherson | 20 min |
| Sep 19, 7:29 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 46 min |
| Sep 19, 7:40 PM CDT | Tornado Warning | ABR | Spink | 35 min |
| Sep 19, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 44 min |
| Sep 19, 7:52 PM CDT | Tornado Warning | ABR | McPherson | 24 min |
| Sep 19, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 31 min |
| Sep 19, 8:08 PM CDT | Tornado Warning | FSD | Beadle | 22 min |
| Sep 19, 8:12 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 33 min |
| Sep 19, 8:13 PM CDT | Tornado Warning | ABR | Clark, Spink | 32 min |
| Sep 19, 8:23 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Marshall, Spink | 37 min |
| Sep 19, 8:28 PM CDT | Tornado Warning | ABR | Clark, Spink | 32 min |
| Sep 19, 8:38 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Jerauld, Sanborn | 52 min |
| Sep 19, 8:41 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 34 min |
| Sep 19, 8:53 PM CDT | Tornado Warning | ABR | Clark, Codington, Day, Spink | 37 min |
| Sep 19, 8:53 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 52 min |
| Sep 19, 8:56 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 28 more | 2 hr |
| Sep 19, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 48 min |
| Sep 19, 9:17 PM CDT | Tornado Warning | FSD | Aurora, Brule | 28 min |
| Sep 19, 9:21 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Kingsbury, Miner, Sanborn | 39 min |
| Sep 19, 9:24 PM CDT | Tornado Warning | ABR | Clark, Codington, Day | 36 min |
| Sep 19, 9:41 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Hanson, Sanborn | 49 min |
| Sep 19, 9:54 PM CDT | Tornado Warning | ABR | Codington, Day, Grant, Roberts | 15 min |
| Sep 19, 9:55 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 46 min |
| Sep 19, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas, Hanson, Hutchinson | 45 min |
| Sep 19, 10:15 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Lake, Miner, Sanborn | 45 min |
| Sep 19, 10:36 PM CDT | Severe Thunderstorm Watch | SPC | Minnehaha, Moody | 4 hr |
| Sep 19, 10:39 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Kingsbury, Lake, McCook, Miner, Minnehaha and 1 more | 36 min |
| Sep 19, 10:43 PM CDT | Areal Flood Warning | ABR | Codington | 3 hr |
| Sep 19, 10:49 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 41 min |
| Sep 19, 11:04 PM CDT | Tornado Warning | FSD | Lake, McCook, Minnehaha, Moody | 26 min |
| Sep 19, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, McCook, Minnehaha, Moody | 52 min |
| Sep 19, 11:26 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 19 min |
| Sep 19, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 46 min |
| Sep 19, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 43 min |
| Sep 20, 4:04 AM CDT | Red Flag Warning | UNR | 16 hr | |
| Sep 21, 11:34 PM CDT | Mesoscale Discussion | SPC | Clark, Codington, Day, Grant, Roberts | 116 min |
| Sep 22, 12:48 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 57 min |
| Sep 22, 12:51 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 54 min |
| Sep 22, 12:55 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Spink | 65 min |
| Sep 22, 1:02 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 50 min |
| Sep 22, 1:45 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 60 min |
| Sep 22, 10:35 AM CDT | Heat Advisory | FSD | Clay, Lincoln, Minnehaha, Moody, Turner, Union and 1 more | 7 hr |
| Sep 22, 3:57 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Brookings, Clay, Codington, Deuel, Hamlin and 12 more | 2 hr |
| Sep 22, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 30 min |
| Sep 22, 5:48 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha | 27 min |
| Sep 22, 7:58 PM CDT | Special Weather Statement | ABR | Codington, Deuel, Grant, Hamlin | 62 min |
| Sep 23, 12:27 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 33 min |
| Sep 23, 12:41 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Moody | 34 min |
| Sep 23, 1:16 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 29 min |
| Sep 23, 1:45 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 45 min |
| Sep 25, 3:22 PM CDT | Frost Advisory | UNR | Bennett, Fall River, Oglala Lakota | 16 hr |
| Sep 26, 6:57 PM CDT | Frost Advisory | UNR | Bennett, Fall River, Oglala Lakota | 13 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 | 41 |
| Tornado Warning | 13 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 20 |
| Flooding | |
| Areal Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 5 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lake County16
- Spink County12
- Miner County12
- McPherson County12
- Day County12
- Kingsbury County11
- Brown County11
- Pennington County10
- Brookings County10
- Sanborn County10
- Codington County10
- Marshall County10
- Roberts County10
- Oglala Lakota County9
- Minnehaha County9
- McCook County9
- Aurora County9
- Beadle County9
- Moody County9
- Edmunds County8
- Hanson County8
- Clark County8
- Grant County8
- Brule County7
- Walworth County7
- Campbell County6
- Davison County6
- Jerauld County6
- Buffalo County5
- Hughes County5
- Lyman County5
- Deuel County5
- Hamlin County5
- Fall River County4
- Lawrence County4
- Meade County4
- Gregory County4
- Todd County4
- Lincoln County4
- Yankton County4
26 more counties
- Faulk County4
- Hand County4
- Hyde County4
- Potter County4
- Sully County4
- Jackson County3
- Jones County3
- Mellette County3
- Dewey County3
- Clay County3
- Turner County3
- Union County3
- Douglas County3
- Hutchinson County3
- Haakon County2
- Stanley County2
- Tripp County2
- Custer County2
- Perkins County2
- Charles Mix County2
- Bon Homme County2
- Bennett County2
- Butte County1
- Harding County1
- Ziebach County1
- Corson 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.