Alert archive / South Dakota / Bennett County

Weather alerts in Bennett County, South Dakota, 2023

154 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Bennett County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
154
Warnings
26
Watches
18
Advisories
35
Busiest month
July34 alerts
Busiest day
August 2, 202312 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Bennett County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings191616%5100%12 min
Flash flood warnings00

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Rapid City, SD: tornado warnings6267%560%18 min
NWS Rapid City, SD: severe thunderstorm warnings33123629%53282%24 min
NWS Rapid City, SD: flash flood warnings11555%1292%78 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 1, 1:53 AM MSTWinter Storm WarningUNR59 hr
Jan 2, 4:59 PM MSTMesoscale DiscussionSPC6 hr
Jan 3, 8:31 PM MSTDense Fog AdvisoryUNR13 hr
Jan 11, 6:38 AM MSTDense Fog AdvisoryUNR29 hr
Jan 12, 2:06 PM MSTDense Fog AdvisoryUNR19 hr
Jan 17, 2:29 AM MSTWinter Weather AdvisoryUNR45 hr
Jan 26, 8:30 PM MSTWinter Weather AdvisoryUNR49 hr
Jan 29, 12:35 PM MSTWind Chill AdvisoryUNR22 hr
Jan 30, 1:45 PM MSTWind Chill AdvisoryUNR19 hr
Feb 13, 2:41 AM MSTWinter Weather AdvisoryUNR50 hr
Feb 19, 1:00 PM MSTWinter Storm WatchUNR25 hr
Feb 20, 1:55 PM MSTWinter Storm WarningUNR63 hr
Feb 23, 12:44 AM MSTWind Chill AdvisoryUNR10 hr
Feb 23, 1:48 PM MSTWind Chill AdvisoryUNR19 hr
Feb 27, 1:29 PM MSTWind AdvisoryUNR33 hr
Mar 2, 1:03 PM MSTWinter Weather AdvisoryUNR40 hr
Mar 8, 2:19 AM MSTWinter Weather AdvisoryUNR35 hr
Mar 10, 2:07 PM MSTWinter Weather AdvisoryUNR14 hr
Mar 29, 1:47 PM MDTWinter Storm WatchUNR24 hr
Mar 30, 2:14 PM MDTWinter Storm WarningUNR33 hr
Mar 31, 8:06 AM MDTMesoscale DiscussionSPC6 hr
Apr 1, 2:24 PM MDTWinter Storm WatchUNR24 hr
Apr 2, 2:03 PM MDTBlizzard WarningUNR59 hr
Apr 4, 1:57 AM MDTWinter Weather AdvisoryUNR34 hr
Apr 10, 1:22 AM MDTFire Weather WatchUNR12 hr
Apr 10, 1:01 PM MDTRed Flag WarningUNR31 hr
Apr 18, 4:46 PM MDTMesoscale DiscussionSPC2 hr
Apr 18, 8:27 PM MDTSevere Thunderstorm WarningUNR63 min
Apr 20, 2:39 AM MDTWind AdvisoryUNR40 hr
Apr 27, 2:12 AM MDTWind AdvisoryUNR22 hr
May 6, 2:14 PM MDTSpecial Weather StatementUNR16 min
May 11, 5:08 PM MDTSpecial Weather StatementLBF52 min
May 11, 5:13 PM MDTSpecial Weather StatementUNR32 min
May 11, 5:34 PM MDTSpecial Weather StatementUNR26 min
May 17, 11:52 AM MDTMesoscale DiscussionSPC113 min
May 17, 1:21 PM MDTSpecial Weather StatementLBF39 min
May 28, 6:11 PM MDTSpecial Weather StatementLBF34 min
May 30, 7:45 PM MDTSevere Thunderstorm WarningUNR60 min
May 30, 8:37 PM MDTSevere Thunderstorm WarningUNR53 min
Jun 9, 5:55 PM MDTSpecial Weather StatementUNR50 min
Jun 15, 2:10 PM MDTSpecial Weather StatementLBF50 min
Jun 15, 2:37 PM MDTSpecial Weather StatementLBF53 min
Jun 20, 2:14 PM MDTMesoscale DiscussionSPC91 min
Jun 20, 2:53 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 23, 4:55 PM MDTMesoscale DiscussionSPC2 hr
Jun 23, 5:17 PM MDTTornado WatchSPC8 hr
Jun 23, 7:55 PM MDTSevere Thunderstorm WarningUNR65 min
Jun 23, 8:52 PM MDTMesoscale DiscussionSPC83 min
Jun 23, 11:15 PM MDTSevere Thunderstorm WarningUNR60 min
Jun 27, 2:15 AM MDTMesoscale DiscussionSPC2 hr
Jun 27, 2:18 AM MDTSpecial Weather StatementLBF42 min
Jun 27, 3:11 AM MDTSpecial Weather StatementLBF49 min
Jun 27, 4:30 AM MDTSpecial Weather StatementUNR30 min
Jun 27, 4:42 AM MDTSevere Thunderstorm WarningUNR29 min
Jun 27, 12:09 PM MDTMesoscale DiscussionSPC3 hr
Jun 27, 1:21 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 27, 4:32 PM MDTMesoscale DiscussionSPC88 min
Jun 27, 7:04 PM MDTSevere Thunderstorm WarningUNR42 min
Jun 27, 7:32 PM MDTSevere Thunderstorm WarningUNR58 min
Jun 27, 7:56 PM MDTSpecial Weather StatementLBF49 min
Jun 27, 8:10 PM MDTSevere Thunderstorm WarningUNR65 min
Jun 28, 5:16 PM MDTMesoscale DiscussionSPC119 min
Jun 29, 7:31 PM MDTSpecial Weather StatementLBF44 min
Jul 3, 2:47 PM MDTMesoscale DiscussionSPC58 min
Jul 3, 3:03 PM MDTSevere Thunderstorm WatchSPC11 hr
Jul 3, 9:38 PM MDTMesoscale DiscussionSPC97 min
Jul 3, 11:28 PM MDTSpecial Weather StatementLBF32 min
Jul 11, 2:43 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 11, 6:27 PM MDTMesoscale DiscussionSPC93 min
Jul 11, 10:34 PM MDTMesoscale DiscussionSPC56 min
Jul 11, 11:10 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 13, 1:23 PM MDTMesoscale DiscussionSPC2 hr
Jul 13, 1:49 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 13, 4:07 PM MDTSevere Thunderstorm WarningUNR68 min
Jul 16, 2:31 PM MDTMesoscale DiscussionSPC2 hr
Jul 17, 5:17 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 17, 7:38 PM MDTMesoscale DiscussionSPC2 hr
Jul 17, 10:38 PM MDTSpecial Weather StatementUNR67 min
Jul 17, 10:42 PM MDTMesoscale DiscussionSPC2 hr
Jul 19, 1:47 AM MDTSevere Thunderstorm WarningUNR43 min
Jul 23, 4:36 PM MDTMesoscale DiscussionSPC2 hr
Jul 23, 4:55 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR54 min
Jul 23, 5:51 PM MDTSpecial Weather StatementLBF24 min
Jul 24, 11:57 PM MDTSpecial Weather StatementUNR33 min
Jul 25, 12:32 AM MDTSpecial Weather StatementUNR43 min
Jul 25, 12:35 AM MDTSevere Thunderstorm WarningUNR55 min
Jul 27, 6:10 PM MDTSpecial Weather StatementLBF50 min
Jul 29, 1:56 AM MDTSpecial Weather StatementUNR49 min
Jul 29, 2:20 AM MDTMesoscale DiscussionSPC2 hr
Jul 30, 12:28 AM MDTSevere Thunderstorm WarningUNR9 min
Jul 30, 1:25 PM MDTMesoscale DiscussionSPC2 hr
Jul 30, 1:56 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 30, 7:22 PM MDTSpecial Weather StatementLBF38 min
Jul 30, 7:59 PM MDTSpecial Weather StatementLBF31 min
Jul 30, 8:19 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR57 min
Jul 30, 8:51 PM MDTMesoscale DiscussionSPC2 hr
Jul 30, 10:08 PM MDTSpecial Weather StatementUNR67 min
Aug 1, 6:07 PM MDTSpecial Weather StatementUNR38 min
Aug 1, 6:46 PM MDTSpecial Weather StatementUNR44 min
Aug 1, 7:17 PM MDTSpecial Weather StatementUNR43 min
Aug 1, 7:25 PM MDTSevere Thunderstorm WarningUNR30 min
Aug 1, 7:40 PM MDTSpecial Weather StatementLBF50 min
Aug 1, 7:46 PM MDTSpecial Weather StatementLBF44 min
Aug 1, 7:57 PM MDTSpecial Weather StatementUNR63 min
Aug 1, 8:28 PM MDTSpecial Weather StatementLBF32 min
Aug 1, 8:32 PM MDTAreal Flood AdvisoryUNR11 hr
Aug 2, 12:56 AM MDTSpecial Weather StatementUNR49 min
Aug 2, 2:28 AM MDTAreal Flood AdvisoryUNR6 hr
Aug 2, 2:03 PM MDTFlood WatchUNR72 hr
Aug 4, 2:22 PM MDTMesoscale DiscussionSPC83 min
Aug 8, 6:56 PM MDTSevere Thunderstorm WarningUNR52 min
Aug 12, 1:56 PM MDTMesoscale DiscussionSPC2 hr
Aug 12, 2:41 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 5:06 PM MDTMesoscale DiscussionSPC114 min
Aug 12, 8:10 PM MDTMesoscale DiscussionSPC2 hr
Aug 12, 8:57 PM MDTSpecial Weather StatementUNR48 min
Aug 12, 9:57 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR63 min
Aug 12, 10:17 PM MDTSpecial Weather StatementUNR43 min
Aug 12, 10:56 PM MDTSevere Thunderstorm WarningUNR57 min
Aug 17, 1:30 PM MDTHeat AdvisoryUNR30 hr
Aug 20, 1:20 PM MDTHeat AdvisoryUNR3 days
Aug 24, 2:41 PM MDTMesoscale DiscussionSPC2 hr
Aug 24, 4:34 PM MDTSpecial Weather StatementUNR41 min
Aug 24, 5:10 PM MDTSpecial Weather StatementLBF50 min
Sep 3, 10:55 PM MDTSpecial Weather StatementUNR35 min
Sep 3, 11:56 PM MDTSpecial Weather StatementUNR94 min
Sep 9, 1:46 AM MDTMesoscale DiscussionSPC119 min
Sep 29, 1:30 AM MDTSpecial Weather StatementUNR45 min
Sep 30, 6:03 AM MDTDense Fog AdvisoryUNR5 hr
Oct 1, 2:39 AM MDTWind AdvisoryUNR14 hr
Oct 2, 6:22 PM MDTMesoscale DiscussionSPC113 min
Oct 2, 7:31 PM MDTSpecial Weather StatementLBF29 min
Oct 2, 7:40 PM MDTSpecial Weather StatementUNR50 min
Oct 2, 8:57 PM MDTSpecial Weather StatementLBF33 min
Oct 5, 1:46 AM MDTFreeze WatchUNR33 hr
Oct 5, 1:20 PM MDTWind AdvisoryUNR21 hr
Oct 6, 2:03 AM MDTFreeze WarningUNR30 hr
Oct 11, 2:07 AM MDTHigh Wind WatchUNR12 hr
Oct 11, 1:43 PM MDTWind AdvisoryUNR52 hr
Oct 11, 10:08 PM MDTSpecial Weather StatementUNR52 min
Oct 17, 2:20 AM MDTWind AdvisoryUNR37 hr
Nov 12, 1:33 PM MSTWind AdvisoryUNR33 hr
Nov 15, 1:20 PM MSTWind AdvisoryUNR25 hr
Nov 25, 12:43 PM MSTWind AdvisoryUNR24 hr
Dec 4, 12:19 AM MSTWind AdvisoryUNR17 hr
Dec 6, 2:05 AM MSTWind AdvisoryUNR4 days
Dec 8, 2:06 AM MSTWind AdvisoryUNR37 hr
Dec 22, 1:49 PM MSTWinter Weather AdvisoryUNR50 hr
Dec 24, 2:08 AM MSTBlizzard WarningUNR66 hr
Dec 24, 2:08 AM MSTWinter Storm WatchUNR12 hr
Dec 25, 1:43 PM MSTWinter Weather AdvisoryUNR36 hr
Dec 25, 2:31 PM MSTMesoscale DiscussionSPC4 hr
Dec 25, 6:56 PM MSTMesoscale DiscussionSPC5 hr
Dec 31, 2:50 AM MSTDense Fog AdvisoryUNR10 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20222024

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.