Alert archive / South Dakota / 2018

Weather alerts in South Dakota, September 2018

135 weather alerts in September 2018, 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 2018. Tap one for its archive.

Alerts
135
Warnings
68
Watches
3
Advisories
10
Busiest day
September 20, 201828 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, 3:08 AM CDTSpecial Weather StatementUNRPennington37 min
Sep 1, 7:18 PM CDTSpecial Weather StatementUNRBennett42 min
Sep 1, 10:44 PM CDTSpecial Weather StatementABRCorson31 min
Sep 1, 11:59 PM CDTSpecial Weather StatementUNRPennington46 min
Sep 2, 12:17 AM CDTSpecial Weather StatementUNRCuster28 min
Sep 2, 12:20 AM CDTSpecial Weather StatementABRCorson40 min
Sep 2, 12:22 AM CDTSpecial Weather StatementABRDewey38 min
Sep 2, 12:43 AM CDTSevere Thunderstorm WarningABRCorson, Dewey24 min
Sep 2, 12:51 AM CDTMesoscale DiscussionSPCBrown, Campbell, Corson, Day, Dewey, Edmunds and 7 more2 hr
Sep 2, 1:03 AM CDTSpecial Weather StatementABRWalworth42 min
Sep 2, 1:13 AM CDTSevere Thunderstorm WarningABRCampbell, Edmunds, McPherson, Walworth12 min
Sep 2, 1:40 AM CDTSpecial Weather StatementABRMcPherson50 min
Sep 2, 2:10 AM CDTSpecial Weather StatementABRFaulk50 min
Sep 2, 2:34 AM CDTSpecial Weather StatementABRBrown41 min
Sep 2, 2:41 AM CDTSpecial Weather StatementABRPotter49 min
Sep 2, 2:54 AM CDTSpecial Weather StatementABRSully51 min
Sep 2, 4:13 AM CDTSpecial Weather StatementABRFaulk47 min
Sep 2, 4:15 AM CDTSpecial Weather StatementABRRoberts60 min
Sep 2, 10:10 AM CDTSpecial Weather StatementABRJerauld35 min
Sep 5, 3:21 AM CDTRiver Flood WarningFSDUnion8 hr
Sep 6, 7:40 PM CDTSpecial Weather StatementUNRHarding35 min
Sep 7, 3:52 PM CDTSpecial Weather StatementUNRLawrence23 min
Sep 7, 4:13 PM CDTSpecial Weather StatementUNRLawrence32 min
Sep 8, 5:07 PM CDTMesoscale DiscussionSPCButte, Custer, Fall River, Lawrence, Pennington2 hr
Sep 9, 2:21 PM CDTSevere Thunderstorm WarningUNRLawrence, Meade, Pennington39 min
Sep 9, 2:56 PM CDTSevere Thunderstorm WarningUNRLawrence, Pennington64 min
Sep 9, 3:33 PM CDTSevere Thunderstorm WarningUNRCuster, Pennington57 min
Sep 9, 4:25 PM CDTSpecial Weather StatementUNRCuster50 min
Sep 9, 5:23 PM CDTMesoscale DiscussionSPCBrown, Campbell, Edmunds, Faulk, Hand, Hyde and 4 more2 hr
Sep 9, 6:30 PM CDTSpecial Weather StatementABRMcPherson45 min
Sep 9, 6:37 PM CDTSevere Thunderstorm WarningABRMcPherson35 min
Sep 9, 7:15 PM CDTSevere Thunderstorm WarningABRMcPherson45 min
Sep 9, 7:56 PM CDTSevere Thunderstorm WarningABRMcPherson49 min
Sep 9, 8:35 PM CDTSpecial Weather StatementUNRMeade40 min
Sep 9, 8:37 PM CDTSevere Thunderstorm WarningABRCampbell, Edmunds, McPherson, Walworth38 min
Sep 9, 9:20 PM CDTSevere Thunderstorm WarningABRCampbell, Edmunds, McPherson, Walworth40 min
Sep 9, 9:39 PM CDTSevere Thunderstorm WarningABREdmunds19 min
Sep 9, 10:04 PM CDTSevere Thunderstorm WarningABRCampbell, Edmunds, McPherson, Walworth41 min
Sep 9, 10:29 PM CDTSevere Thunderstorm WarningABRDewey, Potter, Walworth46 min
Sep 9, 10:41 PM CDTSevere Thunderstorm WarningABREdmunds, Walworth26 min
Sep 9, 10:49 PM CDTSevere Thunderstorm WarningABRPotter, Walworth13 min
Sep 9, 11:27 PM CDTSpecial Weather StatementABRPotter33 min
Sep 10, 12:05 AM CDTSevere Thunderstorm WarningABRPotter25 min
Sep 10, 12:14 AM CDTSpecial Weather StatementABRPotter31 min
Sep 10, 7:23 AM CDTSevere Thunderstorm WarningABRPotter, Sully52 min
Sep 10, 8:08 AM CDTSpecial Weather StatementABRSully37 min
Sep 10, 8:14 AM CDTSevere Thunderstorm WarningABRHyde, Sully26 min
Sep 10, 8:26 AM CDTSpecial Weather StatementABRSully34 min
Sep 10, 9:05 AM CDTSpecial Weather StatementABRHyde25 min
Sep 11, 3:29 PM CDTRed Flag WarningUNR30 hr
Sep 11, 6:35 PM CDTSpecial Weather StatementLBFTodd40 min
Sep 11, 8:08 PM CDTSpecial Weather StatementUNRTodd37 min
Sep 15, 8:43 PM CDTWind AdvisoryUNRLawrence8 hr
Sep 17, 6:13 AM CDTSpecial Weather StatementABRCorson32 min
Sep 17, 6:52 AM CDTSpecial Weather StatementABRWalworth38 min
Sep 17, 9:40 AM CDTSpecial Weather StatementABRBrown20 min
Sep 17, 7:49 PM CDTMesoscale DiscussionSPCBon Homme, Charles Mix, Gregory, Yankton116 min
Sep 17, 10:04 PM CDTSpecial Weather StatementUNRCuster41 min
Sep 17, 11:19 PM CDTSpecial Weather StatementUNROglala Lakota26 min
Sep 17, 11:39 PM CDTSevere Thunderstorm WarningUNROglala Lakota51 min
Sep 18, 2:10 AM CDTSpecial Weather StatementABRLyman35 min
Sep 18, 2:48 AM CDTMesoscale DiscussionSPCAurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 17 more2 hr
Sep 18, 2:53 AM CDTSpecial Weather StatementABRBuffalo, Hand, Hyde, Lyman52 min
Sep 18, 5:21 AM CDTSevere Thunderstorm WarningABRDeuel24 min
Sep 18, 5:48 AM CDTMesoscale DiscussionSPCDeuel, Minnehaha, Moody2 hr
Sep 19, 12:30 AM CDTSpecial Weather StatementUNRPerkins45 min
Sep 19, 1:05 AM CDTSpecial Weather StatementUNRButte40 min
Sep 19, 1:14 AM CDTSpecial Weather StatementUNRPerkins46 min
Sep 19, 1:59 AM CDTSpecial Weather StatementUNRZiebach16 min
Sep 19, 2:12 AM CDTSpecial Weather StatementABRDewey48 min
Sep 19, 2:30 AM CDTSevere Thunderstorm WarningABRDewey, Walworth60 min
Sep 19, 2:40 AM CDTMesoscale DiscussionSPCAurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 16 more3 hr
Sep 19, 2:52 AM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix38 min
Sep 19, 3:11 AM CDTSpecial Weather StatementABRBrule19 min
Sep 19, 3:23 AM CDTSpecial Weather StatementABRPotter67 min
Sep 19, 3:42 AM CDTSpecial Weather StatementABRSpink48 min
Sep 19, 3:47 AM CDTMesoscale DiscussionSPCBeadle, Brookings, Clark, Codington, Day, Deuel and 12 more3 hr
Sep 19, 4:01 AM CDTSevere Thunderstorm WarningABRFaulk, Hand, Hyde, Potter, Sully59 min
Sep 19, 4:13 AM CDTSpecial Weather StatementABRSpink47 min
Sep 19, 5:06 AM CDTSpecial Weather StatementABRCodington39 min
Sep 19, 10:31 AM CDTFlash Flood WatchFSDAurora, Bon Homme, Brookings, Brule, Charles Mix, Clay and 16 more26 hr
Sep 20, 3:36 AM CDTFlash Flood WarningFSDClay, Lincoln, Turner6 hr
Sep 20, 4:35 AM CDTFlash Flood WarningFSDClay, Lincoln, Union5 hr
Sep 20, 4:51 AM CDTFlash Flood WarningFSDHutchinson, Turner, Yankton5 hr
Sep 20, 6:49 AM CDTRiver Flood WarningFSDBrookings, Moody5 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDMinnehaha, Moody4 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDMinnehaha3 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDLincoln, Minnehaha51 hr
Sep 20, 6:49 AM CDTRiver Flood WarningFSDUnion10 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDUnion12 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDHutchinson, Yankton6 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDYankton7 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDTurner7 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDClay7 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDMinnehaha4 days
Sep 20, 6:49 AM CDTRiver Flood WarningFSDMinnehaha63 hr
Sep 20, 7:22 AM CDTRiver Flood WarningFSDLincoln, Minnehaha63 hr
Sep 20, 9:15 AM CDTRiver Flood WarningFSDMinnehaha6 days
Sep 20, 9:29 AM CDTFlash Flood WarningFSDClay, Lincoln, Turner3 hr
Sep 20, 9:30 AM CDTFlash Flood WarningFSDClay, Lincoln, Union3 hr
Sep 20, 9:36 AM CDTRiver Flood WarningFSDClay8 days
Sep 20, 9:41 AM CDTFlash Flood WarningFSDHutchinson, Turner, Yankton3 hr
Sep 20, 11:17 AM CDTRiver Flood WarningFSDMinnehaha6 days
Sep 20, 12:39 PM CDTAreal Flood WarningFSDClay, Hutchinson, Lincoln, Turner, Union, Yankton12 hr
Sep 20, 2:44 PM CDTRiver Flood WarningFSDLincoln5 days
Sep 20, 3:11 PM CDTSevere Thunderstorm WatchSPCUnion8 hr
Sep 20, 3:32 PM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha43 min
Sep 20, 3:59 PM CDTSevere Thunderstorm WarningFSDUnion46 min
Sep 20, 4:17 PM CDTTornado WarningFSDUnion28 min
Sep 20, 7:52 PM CDTRiver Flood WarningFSDLincoln, Minnehaha31 hr
Sep 21, 12:31 AM CDTAreal Flood WarningFSDClay, Hutchinson, Lincoln, Turner, Union, Yankton24 hr
Sep 21, 2:14 AM CDTRiver Flood WarningFSDTurner41 hr
Sep 21, 2:14 AM CDTRiver Flood WarningFSDUnion67 hr
Sep 21, 6:47 AM CDTRiver Flood WarningFSDMoody27 hr
Sep 21, 8:38 AM CDTRiver Flood WarningFSDUnion11 days
Sep 21, 2:59 PM CDTFire Weather WatchUNR25 hr
Sep 22, 12:35 AM CDTAreal Flood WarningFSDClay, Hutchinson, Lincoln, Turner, Union, Yankton24 hr
Sep 22, 2:10 AM CDTRiver Flood WarningFSDMinnehaha4 days
Sep 22, 3:02 AM CDTRed Flag WarningUNR24 hr
Sep 23, 3:00 AM CDTRed Flag WarningUNR17 hr
Sep 23, 5:51 AM CDTDense Fog AdvisoryABRBrown, Campbell, Corson, Dewey, Edmunds, Faulk and 4 more6 hr
Sep 23, 8:34 PM CDTRiver Flood WarningFSDUnion5 days
Sep 25, 3:21 AM CDTWind AdvisoryUNRButte, Haakon, Harding, Meade, Pennington, Perkins and 1 more16 hr
Sep 25, 7:29 AM CDTRiver Flood WarningFSDBon Homme14 days
Sep 25, 9:57 AM CDTWind AdvisoryABRBuffalo, Campbell, Corson, Dewey, Hughes, Hyde and 6 more9 hr
Sep 25, 2:32 PM CDTFrost AdvisoryUNRBennett, Butte, Custer, Fall River, Harding, Jackson and 4 more18 hr
Sep 25, 2:32 PM CDTFreeze WarningUNRFall River, Oglala Lakota18 hr
Sep 25, 9:55 PM CDTFrost AdvisoryABRCorson9 hr
Sep 27, 3:39 AM CDTWinter Weather AdvisoryUNRCuster, Pennington30 hr
Sep 27, 2:52 PM CDTFrost AdvisoryUNRButte, Harding, Meade, Perkins, Ziebach19 hr
Sep 27, 3:14 PM CDTFrost AdvisoryABRBrown, Campbell, Corson, Day, Dewey, Edmunds and 6 more18 hr
Sep 28, 3:48 AM CDTFreeze WarningABRBrown, Clark, Codington, Day, Deuel, Edmunds and 7 more28 hr
Sep 28, 9:38 AM CDTRiver Flood WarningFSDCharles Mix49 hr
Sep 28, 12:05 PM CDTFrost AdvisoryFSDBrookings19 hr
Sep 28, 7:28 PM CDTRiver Flood WarningFSDBon Homme, Charles Mix39 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.

25 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.