Alert archive / South Dakota / Campbell County

Weather alerts in Campbell County, South Dakota, 2016

159 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Campbell County and its neighbors

Each county as a circle sized by its count in 2016. Tap one for its archive.

Alerts
159
Warnings
52
Watches
22
Advisories
27
Busiest month
July42 alerts
Busiest day
August 10, 201620 alerts

Over time

By month

Warning verification

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

0 of 2 tornado warnings covering Campbell County in 2016 had a tornado report inside them; 0 of 2 tornado reports fell inside a warning.

Campbell County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%20%
Severe thunderstorm warnings382729%2090%18 min
Flash flood warnings00

Each office's whole area, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Aberdeen, SD: tornado warnings16475%1436%8 min
NWS Aberdeen, SD: severe thunderstorm warnings29118636%36283%22 min
NWS Aberdeen, SD: flash flood warnings7357%757%36 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 9, 3:49 AM CSTWind Chill AdvisoryABR29 hr
Jan 16, 2:55 AM CSTWind Chill WarningABR31 hr
Jan 16, 2:55 AM CSTWind Chill AdvisoryABR48 hr
Jan 19, 7:41 PM CSTDense Fog AdvisoryABR14 hr
Feb 5, 3:56 AM CSTHigh Wind WatchABR24 hr
Feb 6, 3:36 AM CSTHigh Wind WarningABR44 hr
Feb 12, 3:14 PM CSTWinter Weather AdvisoryABR42 hr
Feb 18, 3:38 AM CSTHigh Wind WatchABR10 hr
Feb 18, 2:02 PM CSTHigh Wind WarningABR25 hr
Mar 4, 5:34 AM CSTFreezing Rain AdvisoryABR4 hr
Mar 30, 2:28 PM CDTWind AdvisoryABR29 hr
Apr 5, 3:15 AM CDTWind AdvisoryABR31 hr
Apr 6, 3:19 PM CDTWind AdvisoryABR28 hr
Apr 9, 2:42 AM CDTWind AdvisoryABR15 hr
May 13, 3:04 AM CDTFreeze WarningABR30 hr
May 14, 11:33 AM CDTFrost AdvisoryABR21 hr
May 22, 3:57 PM CDTMesoscale DiscussionSPC93 min
May 22, 5:21 PM CDTSevere Thunderstorm WatchSPC8 hr
May 22, 6:05 PM CDTSevere Thunderstorm WarningABR40 min
May 22, 6:32 PM CDTSevere Thunderstorm WarningABR46 min
May 22, 9:06 PM CDTMesoscale DiscussionSPC114 min
May 22, 10:03 PM CDTSpecial Weather StatementABR27 min
May 25, 5:16 PM CDTSevere Thunderstorm WarningABR29 min
May 25, 6:10 PM CDTMesoscale DiscussionSPC65 min
May 25, 6:11 PM CDTSpecial Weather StatementABR34 min
May 25, 6:58 PM CDTSpecial Weather StatementABR47 min
May 28, 8:16 PM CDTSpecial Weather StatementBIS29 min
May 30, 2:16 PM CDTMesoscale DiscussionSPC59 min
May 30, 2:48 PM CDTSevere Thunderstorm WatchSPC7 hr
May 30, 2:55 PM CDTSevere Thunderstorm WarningABR50 min
May 30, 3:46 PM CDTSevere Thunderstorm WarningABR44 min
May 30, 4:24 PM CDTSevere Thunderstorm WarningABR36 min
May 30, 6:37 PM CDTMesoscale DiscussionSPC113 min
May 30, 7:18 PM CDTSevere Thunderstorm WarningABR33 min
Jun 2, 3:03 PM CDTMesoscale DiscussionSPC2 hr
Jun 2, 5:04 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 3, 1:28 PM CDTMesoscale DiscussionSPC3 hr
Jun 10, 2:45 AM CDTSpecial Weather StatementABR60 min
Jun 12, 5:06 AM CDTSpecial Weather StatementABR39 min
Jun 12, 5:16 AM CDTSevere Thunderstorm WarningABR8 min
Jun 12, 5:49 AM CDTSpecial Weather StatementABR56 min
Jun 12, 6:46 AM CDTSpecial Weather StatementABR59 min
Jun 16, 6:16 PM CDTMesoscale DiscussionSPC119 min
Jun 21, 8:35 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 21, 10:24 PM CDTSevere Thunderstorm WarningABR34 min
Jun 21, 11:30 PM CDTMesoscale DiscussionSPC60 min
Jun 22, 1:15 AM CDTMesoscale DiscussionSPC2 hr
Jul 4, 3:00 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 4, 5:35 PM CDTMesoscale DiscussionSPC85 min
Jul 4, 8:29 PM CDTMesoscale DiscussionSPC91 min
Jul 6, 9:13 PM CDTSpecial Weather StatementABR47 min
Jul 9, 3:04 PM CDTHeat AdvisoryABR28 hr
Jul 9, 6:58 PM CDTMesoscale DiscussionSPC92 min
Jul 9, 8:32 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 9, 9:15 PM CDTSevere Thunderstorm WarningABR60 min
Jul 9, 10:16 PM CDTSevere Thunderstorm WarningABR59 min
Jul 9, 10:44 PM CDTMesoscale DiscussionSPC91 min
Jul 10, 7:35 PM CDTMesoscale DiscussionSPC55 min
Jul 10, 9:42 PM CDTSevere Thunderstorm WarningABR48 min
Jul 10, 10:16 PM CDTMesoscale DiscussionSPC89 min
Jul 10, 10:31 PM CDTSpecial Weather StatementABR59 min
Jul 10, 10:38 PM CDTSevere Thunderstorm WarningABR67 min
Jul 10, 10:40 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 10, 11:47 PM CDTSpecial Weather StatementABR58 min
Jul 11, 1:32 AM CDTMesoscale DiscussionSPC58 min
Jul 11, 4:06 AM CDTMesoscale DiscussionSPC84 min
Jul 11, 1:26 PM CDTSpecial Weather StatementABR49 min
Jul 11, 4:03 PM CDTMesoscale DiscussionSPC117 min
Jul 11, 5:25 PM CDTSevere Thunderstorm WarningABR50 min
Jul 16, 12:27 PM CDTMesoscale DiscussionSPC2 hr
Jul 16, 1:09 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 16, 3:18 PM CDTMesoscale DiscussionSPC87 min
Jul 16, 5:09 PM CDTMesoscale DiscussionSPC96 min
Jul 16, 6:57 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 16, 9:50 PM CDTSevere Thunderstorm WarningABR40 min
Jul 16, 10:30 PM CDTSevere Thunderstorm WarningABR60 min
Jul 18, 3:45 AM CDTExcessive Heat WatchABR24 hr
Jul 19, 3:35 AM CDTExcessive Heat WarningABR4 days
Jul 22, 5:06 AM CDTSpecial Weather StatementABR24 min
Jul 22, 12:28 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 12:43 PM CDTSevere Thunderstorm WarningABR35 min
Jul 22, 2:17 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 4:06 PM CDTSevere Thunderstorm WatchSPC9 hr
Jul 22, 6:35 PM CDTMesoscale DiscussionSPC55 min
Jul 26, 12:55 AM CDTSpecial Weather StatementABR65 min
Jul 26, 2:19 AM CDTSpecial Weather StatementABR56 min
Jul 26, 8:09 PM CDTSevere Thunderstorm WarningABR49 min
Jul 26, 8:57 PM CDTSpecial Weather StatementABR48 min
Jul 30, 6:46 PM CDTSevere Thunderstorm WarningABR59 min
Aug 1, 2:38 PM CDTMesoscale DiscussionSPC2 hr
Aug 1, 3:19 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 1, 6:42 PM CDTMesoscale DiscussionSPC2 hr
Aug 3, 2:52 PM CDTMesoscale DiscussionSPC53 min
Aug 3, 3:39 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 3, 6:29 PM CDTMesoscale DiscussionSPC91 min
Aug 3, 9:56 PM CDTSpecial Weather StatementABR49 min
Aug 3, 10:09 PM CDTSevere Thunderstorm WarningABR66 min
Aug 9, 9:35 PM CDTSpecial Weather StatementABR25 min
Aug 9, 9:51 PM CDTMesoscale DiscussionSPC114 min
Aug 9, 10:16 PM CDTSevere Thunderstorm WarningABR44 min
Aug 9, 10:19 PM CDTSevere Thunderstorm WatchSPC8 hr
Aug 9, 10:53 PM CDTSevere Thunderstorm WarningABR52 min
Aug 9, 11:09 PM CDTTornado WarningABR51 min
Aug 9, 11:43 PM CDTSevere Thunderstorm WarningABR47 min
Aug 9, 11:45 PM CDTSevere Thunderstorm WarningABR45 min
Aug 9, 11:54 PM CDTTornado WarningABR41 min
Aug 10, 12:17 AM CDTSevere Thunderstorm WarningABR43 min
Aug 10, 12:53 AM CDTSevere Thunderstorm WarningABR67 min
Aug 10, 1:19 AM CDTSevere Thunderstorm WarningABR41 min
Aug 10, 2:27 AM CDTAreal Flood WarningABR6 hr
Aug 10, 11:19 AM CDTMesoscale DiscussionSPC2 hr
Aug 10, 1:15 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 10, 3:45 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 5:20 PM CDTSevere Thunderstorm WarningABR11 min
Aug 10, 6:00 PM CDTSevere Thunderstorm WarningABR45 min
Aug 10, 6:30 PM CDTSevere Thunderstorm WarningABR45 min
Aug 10, 6:49 PM CDTSpecial Weather StatementABR41 min
Aug 10, 7:03 PM CDTSevere Thunderstorm WarningABR42 min
Aug 10, 7:14 PM CDTSevere Thunderstorm WarningABR33 min
Aug 10, 7:41 PM CDTSevere Thunderstorm WarningABR26 min
Aug 10, 8:00 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 14, 6:15 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 14, 9:04 PM CDTMesoscale DiscussionSPC56 min
Aug 15, 7:55 PM CDTSevere Thunderstorm WarningABR65 min
Aug 15, 8:40 PM CDTSpecial Weather StatementABR50 min
Aug 15, 8:50 PM CDTSevere Thunderstorm WarningABR55 min
Aug 15, 9:25 PM CDTSevere Thunderstorm WarningABR39 min
Aug 31, 6:38 AM CDTSpecial Weather StatementABR52 min
Aug 31, 6:43 AM CDTSevere Thunderstorm WarningABR47 min
Aug 31, 7:32 AM CDTSpecial Weather StatementABR43 min
Sep 1, 9:10 PM CDTWind AdvisoryABR22 hr
Sep 4, 4:53 PM CDTSevere Thunderstorm WatchSPC7 hr
Sep 4, 7:54 PM CDTSevere Thunderstorm WarningABR36 min
Sep 7, 1:45 PM CDTSpecial Weather StatementABR45 min
Sep 7, 2:11 PM CDTMesoscale DiscussionSPC2 hr
Sep 24, 2:58 PM CDTWind AdvisoryABR28 hr
Oct 3, 3:19 AM CDTWind AdvisoryABR16 hr
Oct 5, 2:37 AM CDTWind AdvisoryABR16 hr
Oct 5, 3:16 PM CDTFrost AdvisoryABR19 hr
Oct 5, 8:10 PM CDTFreeze WarningABR14 hr
Oct 6, 3:06 PM CDTFreeze WarningABR19 hr
Oct 30, 2:55 PM CDTWind AdvisoryABR28 hr
Nov 16, 3:39 AM CSTWinter Storm WatchABR24 hr
Nov 17, 3:53 AM CSTWinter Weather AdvisoryABR32 hr
Nov 28, 3:38 AM CSTWinter Weather AdvisoryABR56 hr
Dec 5, 4:08 AM CSTWinter Weather AdvisoryABR50 hr
Dec 5, 3:48 PM CSTBlizzard WarningABR3 hr
Dec 7, 2:23 PM CSTWind Chill AdvisoryABR22 hr
Dec 10, 2:05 PM CSTWinter Weather AdvisoryABR17 hr
Dec 12, 3:50 PM CSTWind Chill AdvisoryABR18 hr
Dec 14, 2:43 AM CSTWind Chill AdvisoryABR30 hr
Dec 15, 2:49 PM CSTWinter Weather AdvisoryABR42 hr
Dec 16, 3:37 AM CSTWind Chill WarningABR56 hr
Dec 20, 3:22 PM CSTWind AdvisoryABR26 hr
Dec 22, 4:53 AM CSTBlizzard WatchABR34 hr
Dec 23, 3:06 PM CSTBlizzard WarningABR72 hr
Dec 25, 12:56 PM CSTMesoscale DiscussionSPC5 hr
Dec 26, 11:57 AM CSTWind AdvisoryABR6 hr
Dec 26, 12:05 PM CSTBlizzard WarningABR3 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 archive20152017

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.