Alert archive / South Dakota / 2021

Weather alerts in South Dakota, September 2021

65 weather alerts in September 2021, 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 2021. Tap one for its archive.

Alerts
65
Warnings
21
Watches
10
Advisories
5
Busiest day
September 17, 202115 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.

IssuedProductOfficeCountiesLasted
Sep 1, 5:39 PM CDTMesoscale DiscussionSPCBennett, Dewey, Haakon, Hughes, Jackson, Jones and 6 more2 hr
Sep 1, 6:26 PM CDTSevere Thunderstorm WatchSPCBennett, Haakon, Jackson, Jones, Lyman, Mellette and 3 more7 hr
Sep 1, 9:14 PM CDTSpecial Weather StatementLBFBennett31 min
Sep 1, 9:20 PM CDTMesoscale DiscussionSPCBennett, Haakon, Jackson, Jones, Lyman, Mellette and 3 more85 min
Sep 1, 9:36 PM CDTSpecial Weather StatementUNRBennett39 min
Sep 1, 10:04 PM CDTSpecial Weather StatementUNROglala Lakota26 min
Sep 1, 10:24 PM CDTSpecial Weather StatementUNRBennett51 min
Sep 1, 10:26 PM CDTSpecial Weather StatementUNRJackson34 min
Sep 1, 10:54 PM CDTSpecial Weather StatementUNRBennett36 min
Sep 1, 11:16 PM CDTSpecial Weather StatementUNRMellette44 min
Sep 1, 11:24 PM CDTSpecial Weather StatementUNRBennett51 min
Sep 1, 11:36 PM CDTMesoscale DiscussionSPCBennett, Haakon, Hughes, Jackson, Jones, Lyman and 5 more84 min
Sep 2, 12:22 AM CDTSpecial Weather StatementUNRMellette, Todd38 min
Sep 2, 12:48 AM CDTAreal Flood AdvisoryUNRMellette, Todd, Tripp6 hr
Sep 2, 4:00 AM CDTFlash Flood WarningUNRMellette, Todd, Tripp3 hr
Sep 3, 3:59 PM CDTMesoscale DiscussionSPCCuster, Fall River, Lawrence, Oglala Lakota, Pennington91 min
Sep 3, 8:08 PM CDTSpecial Weather StatementUNRFall River52 min
Sep 3, 8:45 PM CDTSpecial Weather StatementUNRCuster45 min
Sep 4, 2:39 PM CDTFire Weather WatchUNRButte, Custer, Fall River, Haakon, Jackson, Lawrence and 5 more24 hr
Sep 5, 3:36 AM CDTFire Weather WatchABRCorson, Dewey11 hr
Sep 5, 2:44 PM CDTRed Flag WarningUNRButte, Custer, Fall River, Haakon, Jackson, Lawrence and 5 more29 hr
Sep 5, 2:51 PM CDTRed Flag WarningABRCorson, Dewey28 hr
Sep 7, 3:06 PM CDTFire Weather WatchUNRButte, Custer, Fall River, Jackson, Lawrence, Meade and 2 more48 hr
Sep 9, 3:26 AM CDTRed Flag WarningUNRButte, Custer, Fall River, Jackson, Lawrence, Meade and 2 more41 hr
Sep 13, 5:03 AM CDTSpecial Weather StatementUNRLawrence42 min
Sep 13, 5:38 AM CDTSpecial Weather StatementUNRLawrence52 min
Sep 13, 6:24 AM CDTSpecial Weather StatementUNRHaakon51 min
Sep 13, 6:58 AM CDTSpecial Weather StatementUNRPennington47 min
Sep 13, 7:52 AM CDTSpecial Weather StatementUNRLyman53 min
Sep 13, 8:29 AM CDTSpecial Weather StatementABRJones16 min
Sep 13, 9:00 AM CDTSpecial Weather StatementABRLyman30 min
Sep 13, 9:10 AM CDTSevere Thunderstorm WarningABRJones, Lyman23 min
Sep 14, 2:26 AM CDTDense Fog AdvisoryABRBrown, Buffalo, Campbell, Edmunds, Faulk, Hand and 7 more7 hr
Sep 14, 2:27 PM CDTFire Weather WatchUNRButte, Perkins14 hr
Sep 15, 4:09 AM CDTRed Flag WarningUNRButte, Perkins16 hr
Sep 16, 6:23 PM CDTMesoscale DiscussionSPCBrookings, Clay, Lincoln, Minnehaha, Moody, Turner97 min
Sep 16, 7:15 PM CDTMesoscale DiscussionSPCBon Homme, Charles Mix, Douglas, Gregory, Hutchinson2 hr
Sep 16, 8:16 PM CDTSevere Thunderstorm WatchSPCAurora, Brule, Charles Mix, Davison, Douglas, Gregory and 2 more6 hr
Sep 16, 8:25 PM CDTSpecial Weather StatementUNRTodd50 min
Sep 16, 9:00 PM CDTSpecial Weather StatementUNRTodd30 min
Sep 16, 9:14 PM CDTSpecial Weather StatementUNRTripp31 min
Sep 16, 9:35 PM CDTSpecial Weather StatementUNRTripp25 min
Sep 16, 10:20 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Gregory25 min
Sep 16, 11:31 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Hutchinson, Yankton29 min
Sep 17, 12:10 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDBrookings, Lake, McCook, Minnehaha, Moody35 min
Sep 17, 12:29 AM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner, Union, Yankton46 min
Sep 17, 12:34 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDMinnehaha56 min
Sep 17, 12:36 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDLincoln, Minnehaha54 min
Sep 17, 1:11 AM CDTSevere Thunderstorm WarningFSDUnion49 min
Sep 17, 3:44 AM CDTFire Weather WatchUNRBennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more11 hr
Sep 17, 2:17 PM CDTRed Flag WarningUNRBennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more32 hr
Sep 18, 9:26 AM CDTRed Flag WarningABRCorson, Dewey, Jones, Stanley11 hr
Sep 19, 3:36 AM CDTWind AdvisoryUNRBennett, Butte, Custer, Fall River, Haakon, Harding and 9 more23 hr
Sep 19, 11:15 AM CDTHigh Wind WarningUNRCuster, Meade, Pennington14 hr
Sep 19, 9:41 PM CDTSpecial Weather StatementUNRZiebach49 min
Sep 19, 10:09 PM CDTSevere Thunderstorm WarningABRCorson, Dewey51 min
Sep 23, 2:58 PM CDTFire Weather WatchUNRHaakon, Jackson, Meade, Pennington, Perkins, Ziebach12 hr
Sep 23, 3:00 PM CDTFire Weather WatchABRCorson, Dewey, Jones, Stanley13 hr
Sep 24, 2:33 AM CDTRed Flag WarningUNRPerkins, Ziebach16 hr
Sep 24, 3:59 AM CDTRed Flag WarningABRCampbell, Corson, Dewey, Walworth15 hr
Sep 24, 2:16 PM CDTFrost AdvisoryABRBrown, Campbell, Clark, Codington, Day, Edmunds and 5 more19 hr
Sep 27, 2:45 AM CDTFire Weather WatchUNRButte, Lawrence, Meade, Pennington, Perkins11 hr
Sep 27, 2:00 PM CDTRed Flag WarningABRCorson30 hr
Sep 27, 2:01 PM CDTRed Flag WarningUNRButte, Custer, Fall River, Jackson, Lawrence, Meade and 3 more30 hr
Sep 28, 8:03 PM CDTWind AdvisoryUNRCuster, Meade, Pennington19 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

17 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Rebuilt daily.