Alert archive / South Dakota / 2009

Weather alerts in South Dakota, May 2009

70 weather alerts in May 2009, 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 May 2009. Tap one for its archive.

Alerts
70
Warnings
38
Watches
5
Advisories
10
Busiest day
May 12, 200918 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
May 4, 4:40 PM CDTSpecial Weather StatementABREdmunds, Faulk, Hand, Hughes, Hyde, Potter and 1 more95 min
May 4, 6:09 PM CDTSpecial Weather StatementABRHand66 min
May 4, 6:21 PM CDTMesoscale DiscussionSPCAurora, Beadle, Brule, Buffalo, Charles Mix, Davison and 8 more84 min
May 5, 6:26 AM CDTSevere Thunderstorm WarningFSDUnion34 min
May 6, 2:27 AM CDTSevere Thunderstorm WarningFSDTurner35 min
May 12, 4:13 AM CDTWind AdvisoryABRClark, Codington, Day, Deuel, Grant, Hamlin and 2 more12 hr
May 12, 4:27 AM CDTHigh Wind WatchUNRButte, Harding, Lawrence, Meade, Pennington, Perkins11 hr
May 12, 3:19 PM CDTMesoscale DiscussionSPCButte, Campbell, Corson, Dewey, Haakon, Harding and 9 more56 min
May 12, 3:22 PM CDTHigh Wind WarningUNRButte, Custer, Haakon, Harding, Lawrence, Meade and 3 more29 hr
May 12, 3:22 PM CDTWind AdvisoryUNRBennett, Custer, Fall River, Jackson, Mellette, Oglala Lakota and 2 more29 hr
May 12, 3:36 PM CDTSevere Thunderstorm WatchSPCButte, Campbell, Corson, Dewey, Harding, Lawrence and 4 more7 hr
May 12, 3:49 PM CDTHigh Wind WatchFSDAurora, Beadle, Brule, Charles Mix, Davison, Douglas and 3 more12 hr
May 12, 3:49 PM CDTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more30 hr
May 12, 4:00 PM CDTHigh Wind WatchABRBuffalo, Campbell, Corson, Dewey, Edmunds, Faulk and 10 more11 hr
May 12, 4:00 PM CDTWind AdvisoryABRBrown, Buffalo, Campbell, Clark, Codington, Day and 15 more29 hr
May 12, 5:14 PM CDTSevere Thunderstorm WarningUNRButte, Harding, Meade, Perkins61 min
May 12, 5:54 PM CDTMesoscale DiscussionSPCCampbell, Corson, Dewey, Potter, Sully, Walworth and 1 more96 min
May 12, 5:57 PM CDTSevere Thunderstorm WarningUNRHaakon, Meade, Perkins, Ziebach78 min
May 12, 6:08 PM CDTTornado WarningUNRMeade, Perkins, Ziebach52 min
May 12, 6:37 PM CDTTornado WarningUNRZiebach24 min
May 12, 6:44 PM CDTSevere Thunderstorm WarningABRDewey61 min
May 12, 6:51 PM CDTSevere Thunderstorm WarningUNRMellette, Todd, Tripp38 min
May 12, 6:57 PM CDTSevere Thunderstorm WarningUNRBennett, Mellette, Todd63 min
May 12, 7:08 PM CDTSevere Thunderstorm WatchSPCAurora, Beadle, Brown, Brule, Buffalo, Charles Mix and 17 more7 hr
May 12, 7:33 PM CDTSevere Thunderstorm WarningUNRMellette, Todd39 min
May 12, 7:34 PM CDTSevere Thunderstorm WarningABRDewey, Potter, Walworth41 min
May 12, 7:58 PM CDTSevere Thunderstorm WarningABRLyman32 min
May 12, 8:30 PM CDTSevere Thunderstorm WarningABRBuffalo, Lyman45 min
May 12, 8:41 PM CDTSevere Thunderstorm WarningABRFaulk, Potter49 min
May 12, 8:42 PM CDTMesoscale DiscussionSPCAurora, Beadle, Bon Homme, Brookings, Brown, Brule and 28 more93 min
May 12, 9:20 PM CDTSevere Thunderstorm WarningABRFaulk, Hand, Hughes, Hyde, Potter, Sully11 min
May 12, 9:54 PM CDTSevere Thunderstorm WarningABRSpink13 min
May 13, 3:27 AM CDTHigh Wind WarningABRCorson, Dewey, Hughes, Stanley, Sully18 hr
May 13, 9:04 PM CDTWind AdvisoryABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 20 more2 hr
May 15, 2:39 PM CDTFrost AdvisoryFSDAurora, Beadle, Brule, Jerauld, Kingsbury, Sanborn17 hr
May 15, 3:23 PM CDTFreeze WarningABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 17 more17 hr
May 19, 3:31 AM CDTWind AdvisoryFSDBon Homme, Charles Mix, Clay, Douglas, Gregory, Union and 1 more17 hr
May 19, 2:53 PM CDTWind AdvisoryUNRMellette, Todd, Tripp5 hr
May 19, 3:18 PM CDTWind AdvisoryFSDBrookings, Clay, Lake, Lincoln, McCook, Minnehaha and 4 more28 hr
May 20, 3:01 PM CDTMesoscale DiscussionSPCTodd, Tripp89 min
May 24, 6:53 PM CDTAreal Flood AdvisoryUNRButte, Custer, Fall River, Lawrence, Meade, Pennington5 hr
May 24, 7:31 PM CDTMesoscale DiscussionSPCButte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more119 min
May 24, 7:43 PM CDTFlash Flood WarningUNRPennington3 hr
May 25, 1:33 PM CDTSpecial Weather StatementABRClark27 min
May 28, 5:06 PM CDTSevere Thunderstorm WarningUNR24 min
May 28, 5:18 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully27 min
May 29, 5:41 PM CDTSpecial Weather StatementABRCampbell34 min
May 29, 5:56 PM CDTSevere Thunderstorm WarningABRCorson49 min
May 29, 6:15 PM CDTMesoscale DiscussionSPCCampbell, Corson, Dewey, Edmunds, Faulk, Haakon and 13 more60 min
May 29, 6:29 PM CDTSpecial Weather StatementABRWalworth46 min
May 29, 6:45 PM CDTSevere Thunderstorm WarningABRCorson, Dewey, Walworth45 min
May 29, 7:24 PM CDTSevere Thunderstorm WarningABRDewey, Potter51 min
May 29, 7:36 PM CDTTornado WarningABRPotter24 min
May 29, 7:54 PM CDTSevere Thunderstorm WarningABRPotter, Sully51 min
May 29, 8:00 PM CDTSpecial Weather StatementABRHyde45 min
May 29, 8:42 PM CDTSpecial Weather StatementABRHyde48 min
May 29, 9:27 PM CDTSpecial Weather StatementABRBuffalo48 min
May 31, 12:39 PM CDTSevere Thunderstorm WarningUNRCuster, Fall River44 min
May 31, 1:49 PM CDTSevere Thunderstorm WarningUNRCuster18 min
May 31, 2:51 PM CDTSevere Thunderstorm WarningUNRFall River39 min
May 31, 2:59 PM CDTSevere Thunderstorm WarningUNR61 min
May 31, 4:04 PM CDTSevere Thunderstorm WarningUNRTripp56 min
May 31, 4:44 PM CDTSpecial Weather StatementABRDay46 min
May 31, 4:52 PM CDTSpecial Weather StatementABRClark53 min
May 31, 5:34 PM CDTSevere Thunderstorm WarningABRClark, Codington, Hamlin41 min
May 31, 6:01 PM CDTSevere Thunderstorm WarningABRClark30 min
May 31, 6:12 PM CDTSevere Thunderstorm WarningFSDBeadle, Kingsbury33 min
May 31, 6:25 PM CDTSevere Thunderstorm WarningFSDBrule35 min
May 31, 6:44 PM CDTSevere Thunderstorm WarningFSDBrookings, Kingsbury31 min
May 31, 6:46 PM CDTSevere Thunderstorm WarningFSDMiner, Sanborn29 min

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.

26 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.