Alert archive / South Dakota / Meade County

Weather alerts in Meade County, South Dakota, 2015

199 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Meade County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
199
Warnings
85
Watches
22
Advisories
49
Busiest month
June72 alerts
Busiest day
June 20, 201518 alerts

Over time

By month

Warning verification

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

1 of 2 tornado warnings covering Meade County in 2015 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 4 minutes after it went out.

Meade County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%1100%4 min
Severe thunderstorm warnings62586%5890%33 min
Flash flood warnings4250%4100%45 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Rapid City, SD: tornado warnings16569%1164%14 min
NWS Rapid City, SD: severe thunderstorm warnings30723822%46088%26 min
NWS Rapid City, SD: flash flood warnings18950%1392%99 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 3, 3:16 AM MSTWind AdvisoryUNR12 hr
Jan 4, 2:38 PM MSTWinter Weather AdvisoryUNR29 hr
Jan 5, 7:33 PM MSTWind Chill AdvisoryUNR7 hr
Jan 6, 2:58 AM MSTWind Chill AdvisoryUNR31 hr
Jan 7, 2:40 PM MSTWinter Weather AdvisoryUNR29 hr
Jan 7, 2:41 PM MSTWind AdvisoryUNR21 hr
Jan 8, 7:37 PM MSTWind Chill AdvisoryUNR15 hr
Jan 16, 2:05 PM MSTWind AdvisoryUNR24 hr
Jan 23, 2:32 PM MSTWind AdvisoryUNR28 hr
Jan 24, 2:46 AM MSTHigh Wind WarningUNR16 hr
Jan 27, 1:55 PM MSTWind AdvisoryUNR33 hr
Jan 31, 5:02 PM MSTFreezing Rain AdvisoryUNR4 hr
Feb 9, 12:10 AM MSTDense Fog AdvisoryUNR10 hr
Feb 9, 6:32 PM MSTDense Fog AdvisoryUNR8 hr
Feb 10, 2:39 AM MSTWind AdvisoryUNR17 hr
Feb 16, 3:31 AM MSTWinter Weather AdvisoryUNR27 hr
Feb 17, 3:41 AM MSTWind AdvisoryUNR14 hr
Feb 24, 3:50 AM MSTWinter Weather AdvisoryUNR44 hr
Feb 25, 3:43 AM MSTWind AdvisoryUNR11 hr
Feb 25, 10:28 AM MSTWinter Storm WarningUNR14 hr
Mar 1, 9:23 PM MSTWinter Storm WatchUNR16 hr
Mar 2, 2:50 AM MSTWinter Weather AdvisoryUNR36 hr
Mar 3, 2:22 PM MSTWind Chill AdvisoryUNR18 hr
Mar 16, 2:33 AM MDTWind AdvisoryUNR12 hr
Mar 24, 2:36 AM MDTWind AdvisoryUNR14 hr
Mar 27, 2:19 PM MDTHigh Wind WatchUNR13 hr
Mar 28, 2:57 AM MDTHigh Wind WarningUNR30 hr
Mar 31, 2:21 PM MDTWind AdvisoryUNR29 hr
Apr 2, 4:03 AM MDTWind AdvisoryUNR14 hr
Apr 11, 2:50 PM MDTWind AdvisoryUNR28 hr
Apr 14, 9:52 AM MDTWind AdvisoryUNR18 hr
Apr 19, 3:20 AM MDTWind AdvisoryUNR16 hr
May 6, 5:17 PM MDTAreal Flood AdvisoryUNR3 hr
May 7, 2:45 PM MDTWinter Storm WatchUNR37 hr
May 8, 1:55 PM MDTWinter Storm WarningUNR52 hr
May 9, 2:41 PM MDTBlizzard WarningUNR24 hr
May 16, 3:14 PM MDTRiver Flood WarningUNR29 hr
May 16, 4:06 PM MDTAreal Flood AdvisoryUNR3 hr
May 17, 11:34 AM MDTWind AdvisoryUNR10 hr
May 18, 2:51 AM MDTFrost AdvisoryUNR28 hr
May 18, 2:51 AM MDTFreeze WarningUNR28 hr
May 20, 2:32 PM MDTFrost AdvisoryUNR16 hr
May 23, 3:05 PM MDTFlood WatchUNR43 hr
May 25, 3:53 PM MDTAreal Flood WarningUNR24 hr
Jun 1, 5:24 PM MDTSevere Thunderstorm WarningUNR66 min
Jun 1, 6:03 PM MDTSevere Thunderstorm WarningUNR57 min
Jun 1, 6:17 PM MDTFlash Flood WarningUNR3 hr
Jun 1, 6:55 PM MDTSevere Thunderstorm WarningUNR65 min
Jun 1, 7:07 PM MDTFlash Flood WarningUNR3 hr
Jun 1, 7:28 PM MDTSevere Thunderstorm WarningUNR62 min
Jun 1, 7:47 PM MDTSevere Thunderstorm WarningUNR58 min
Jun 1, 8:11 PM MDTFlash Flood WarningUNR3 hr
Jun 1, 8:41 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 1, 9:19 PM MDTFlash Flood WarningUNR12 hr
Jun 2, 9:03 AM MDTAreal Flood WarningUNR48 hr
Jun 2, 2:44 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 2, 8:01 PM MDTMesoscale DiscussionSPC89 min
Jun 2, 10:12 PM MDTSevere Thunderstorm WarningUNR46 min
Jun 4, 1:29 AM MDTMesoscale DiscussionSPC91 min
Jun 4, 5:14 PM MDTSpecial Weather StatementUNR46 min
Jun 4, 9:49 PM MDTAreal Flood WarningUNR24 hr
Jun 5, 9:26 AM MDTFlash Flood WatchUNR18 hr
Jun 10, 3:52 AM MDTFlash Flood WatchUNR38 hr
Jun 13, 11:49 PM MDTMesoscale DiscussionSPC2 hr
Jun 14, 2:54 AM MDTSpecial Weather StatementUNR66 min
Jun 14, 4:31 AM MDTSevere Thunderstorm WarningUNR59 min
Jun 17, 5:31 PM MDTSevere Thunderstorm WarningUNR59 min
Jun 17, 5:39 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 17, 6:44 PM MDTMesoscale DiscussionSPC61 min
Jun 17, 9:41 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 17, 10:37 PM MDTMesoscale DiscussionSPC53 min
Jun 17, 10:44 PM MDTSevere Thunderstorm WarningUNR61 min
Jun 19, 2:28 AM MDTMesoscale DiscussionSPC92 min
Jun 19, 3:19 AM MDTSpecial Weather StatementUNR56 min
Jun 19, 2:51 PM MDTTornado WatchSPC7 hr
Jun 19, 6:38 PM MDTMesoscale DiscussionSPC67 min
Jun 19, 8:09 PM MDTSevere Thunderstorm WarningUNR66 min
Jun 19, 8:15 PM MDTSevere Thunderstorm WarningUNR60 min
Jun 19, 8:44 PM MDTSevere Thunderstorm WarningUNR61 min
Jun 19, 8:49 PM MDTSevere Thunderstorm WarningUNR56 min
Jun 19, 8:53 PM MDTTornado WarningUNR37 min
Jun 19, 9:13 PM MDTSevere Thunderstorm WarningUNR44 min
Jun 19, 9:26 PM MDTTornado Warning Tornado observedConsiderable damage threatUNR49 min
Jun 19, 9:41 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 19, 10:07 PM MDTSevere Thunderstorm WarningUNR53 min
Jun 20, 2:50 PM MDTMesoscale DiscussionSPC115 min
Jun 20, 3:00 PM MDTSevere Thunderstorm WarningUNR29 min
Jun 20, 3:36 PM MDTSpecial Weather StatementUNR24 min
Jun 20, 4:04 PM MDTAreal Flood AdvisoryUNR3 hr
Jun 20, 4:19 PM MDTSpecial Weather StatementUNR26 min
Jun 20, 4:50 PM MDTAreal Flood AdvisoryUNR3 hr
Jun 20, 5:02 PM MDTSevere Thunderstorm WarningUNR58 min
Jun 20, 5:45 PM MDTSevere Thunderstorm WarningUNR60 min
Jun 20, 6:08 PM MDTSevere Thunderstorm WarningUNR26 min
Jun 20, 6:25 PM MDTSevere Thunderstorm WarningUNR39 min
Jun 20, 7:03 PM MDTSevere Thunderstorm WarningUNR43 min
Jun 20, 7:34 PM MDTSevere Thunderstorm WarningUNR44 min
Jun 20, 11:00 PM MDTSevere Thunderstorm WarningUNR60 min
Jun 21, 4:24 PM MDTMesoscale DiscussionSPC66 min
Jun 21, 4:57 PM MDTTornado WatchSPC5 hr
Jun 21, 7:32 PM MDTMesoscale DiscussionSPC88 min
Jun 21, 9:41 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 21, 11:16 PM MDTSevere Thunderstorm WarningUNR44 min
Jun 21, 11:56 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 22, 12:08 AM MDTSevere Thunderstorm WarningUNR22 min
Jun 22, 12:30 AM MDTSevere Thunderstorm WarningUNR60 min
Jun 23, 11:50 PM MDTSevere Thunderstorm WatchSPC5 hr
Jun 23, 11:55 PM MDTMesoscale DiscussionSPC35 min
Jun 24, 1:00 AM MDTSevere Thunderstorm WarningUNR60 min
Jun 24, 1:28 AM MDTSevere Thunderstorm WarningUNR43 min
Jun 24, 2:23 AM MDTMesoscale DiscussionSPC97 min
Jun 24, 12:27 PM MDTMesoscale DiscussionSPC2 hr
Jun 24, 2:51 PM MDTFlood WatchUNR30 hr
Jun 25, 6:46 AM MDTMesoscale DiscussionSPC89 min
Jun 30, 2:49 PM MDTMesoscale DiscussionSPC86 min
Jun 30, 4:29 PM MDTTornado WatchSPC7 hr
Jun 30, 6:55 PM MDTMesoscale DiscussionSPC95 min
Jun 30, 8:56 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 30, 9:35 PM MDTSevere Thunderstorm WarningUNR85 min
Jul 1, 6:48 PM MDTMesoscale DiscussionSPC117 min
Jul 5, 2:46 PM MDTMesoscale DiscussionSPC119 min
Jul 7, 2:40 PM MDTMesoscale DiscussionSPC2 hr
Jul 12, 7:06 PM MDTSpecial Weather StatementUNR54 min
Jul 12, 7:23 PM MDTSevere Thunderstorm WarningUNR52 min
Jul 12, 8:05 PM MDTSevere Thunderstorm WarningUNR55 min
Jul 17, 2:36 PM MDTMesoscale DiscussionSPC54 min
Jul 23, 5:48 PM MDTSpecial Weather StatementUNR27 min
Jul 24, 7:39 PM MDTSevere Thunderstorm WarningUNR36 min
Jul 24, 7:56 PM MDTSevere Thunderstorm WarningUNR37 min
Jul 24, 8:11 PM MDTSpecial Weather StatementUNR34 min
Jul 24, 8:19 PM MDTSevere Thunderstorm WarningUNR26 min
Jul 24, 8:42 PM MDTSevere Thunderstorm WarningUNR48 min
Jul 24, 9:25 PM MDTSevere Thunderstorm WarningUNR50 min
Jul 25, 4:10 AM MDTSpecial Weather StatementUNR65 min
Jul 25, 4:42 AM MDTSevere Thunderstorm WarningUNR44 min
Jul 26, 1:07 PM MDTMesoscale DiscussionSPC83 min
Jul 27, 2:46 AM MDTHigh Wind WatchUNR24 hr
Jul 27, 2:33 PM MDTSevere Thunderstorm WarningUNR57 min
Jul 27, 2:50 PM MDTMesoscale DiscussionSPC85 min
Jul 27, 2:58 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 27, 3:26 PM MDTSevere Thunderstorm WarningUNR64 min
Jul 27, 3:57 PM MDTSevere Thunderstorm WarningUNR33 min
Jul 27, 4:27 PM MDTSevere Thunderstorm WarningUNR63 min
Jul 27, 5:25 PM MDTSevere Thunderstorm WarningUNR80 min
Jul 27, 5:26 PM MDTSevere Thunderstorm WarningUNR64 min
Jul 27, 5:32 PM MDTMesoscale DiscussionSPC118 min
Jul 27, 5:55 PM MDTSevere Thunderstorm WarningUNR65 min
Jul 27, 6:09 PM MDTSevere Thunderstorm WarningUNR51 min
Jul 27, 6:50 PM MDTSevere Thunderstorm WarningUNR85 min
Jul 27, 6:54 PM MDTSevere Thunderstorm WarningUNR82 min
Jul 27, 8:14 PM MDTSevere Thunderstorm WarningUNR76 min
Jul 27, 8:19 PM MDTMesoscale DiscussionSPC116 min
Jul 28, 2:39 AM MDTHigh Wind WarningUNR16 hr
Jul 28, 2:39 AM MDTWind AdvisoryUNR16 hr
Aug 3, 1:50 PM MDTFlash Flood WatchUNR31 hr
Aug 3, 10:39 PM MDTSevere Thunderstorm WarningUNR66 min
Aug 3, 11:44 PM MDTSpecial Weather StatementUNR46 min
Aug 4, 12:30 AM MDTSpecial Weather StatementUNR45 min
Aug 4, 1:14 AM MDTSpecial Weather StatementUNR31 min
Aug 5, 7:00 PM MDTSevere Thunderstorm WarningUNR60 min
Aug 8, 2:18 PM MDTMesoscale DiscussionSPC87 min
Aug 8, 3:05 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 8, 3:05 PM MDTSevere Thunderstorm WarningUNR55 min
Aug 8, 3:57 PM MDTSevere Thunderstorm WarningUNR63 min
Aug 8, 4:36 PM MDTSevere Thunderstorm WarningUNR54 min
Aug 8, 5:26 PM MDTSevere Thunderstorm WarningUNR64 min
Aug 8, 5:30 PM MDTSevere Thunderstorm WarningUNR60 min
Aug 8, 6:16 PM MDTSevere Thunderstorm WarningUNR59 min
Aug 8, 6:24 PM MDTSevere Thunderstorm WarningUNR66 min
Aug 8, 7:07 PM MDTMesoscale DiscussionSPC53 min
Aug 9, 5:01 PM MDTSpecial Weather StatementUNR44 min
Aug 9, 6:04 PM MDTSpecial Weather StatementUNR26 min
Aug 21, 3:02 AM MDTHigh Wind WatchUNR12 hr
Aug 21, 2:33 PM MDTHigh Wind WarningUNR30 hr
Aug 26, 8:43 PM MDTSpecial Weather StatementUNR32 min
Aug 26, 9:20 PM MDTSpecial Weather StatementUNR40 min
Aug 26, 10:11 PM MDTSpecial Weather StatementUNR49 min
Oct 1, 2:12 PM MDTWind AdvisoryUNR31 hr
Oct 10, 2:32 PM MDTWind AdvisoryUNR45 hr
Oct 11, 3:39 AM MDTHigh Wind WarningUNR26 hr
Oct 15, 3:47 AM MDTFreeze WarningUNR29 hr
Oct 23, 3:17 AM MDTWind AdvisoryUNR15 hr
Oct 27, 2:50 PM MDTWind AdvisoryUNR27 hr
Nov 10, 2:20 PM MSTWind AdvisoryUNR48 hr
Nov 15, 2:31 PM MSTHigh Wind WatchUNR13 hr
Nov 16, 3:03 AM MSTHigh Wind WarningUNR24 hr
Nov 16, 2:54 PM MSTHigh Wind WatchUNR24 hr
Nov 17, 2:57 AM MSTHigh Wind WarningUNR40 hr
Nov 18, 6:31 PM MSTWind AdvisoryUNR11 hr
Nov 24, 2:57 PM MSTWinter Weather AdvisoryUNR42 hr
Nov 29, 1:58 PM MSTWinter Weather AdvisoryUNR51 hr
Dec 7, 2:10 PM MSTWind AdvisoryUNR24 hr
Dec 9, 3:36 AM MSTWind AdvisoryUNR34 hr
Dec 13, 3:12 AM MSTWinter Storm WatchUNR35 hr
Dec 13, 5:17 PM MSTDense Fog AdvisoryUNR16 hr
Dec 14, 3:13 AM MSTWinter Storm WarningUNR55 hr
Dec 14, 2:20 PM MSTWinter Weather AdvisoryUNR53 hr
Dec 14, 6:28 PM MSTFreezing Fog AdvisoryUNR11 hr
Dec 24, 2:22 PM MSTWinter Weather AdvisoryUNR44 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 archive20142016

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.