Alert archive / North Dakota / Sioux County

Weather alerts in Sioux County, North Dakota, 2021

71 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sioux County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
71
Warnings
36
Watches
17
Advisories
3
Busiest month
August18 alerts
Busiest day
June 8, 20217 alerts

Over time

By month

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
Feb 25, 2:11 AM CSTRed Flag WarningBIS17 hr
Mar 5, 1:31 PM CSTFire Weather WatchBIS14 hr
Mar 21, 4:09 AM CDTRed Flag WarningBIS16 hr
Mar 26, 2:33 PM CDTFire Weather WatchBIS44 hr
Mar 27, 2:26 PM CDTRed Flag WarningBIS55 hr
Mar 30, 3:50 AM CDTRed Flag WarningBIS16 hr
Mar 31, 4:03 AM CDTFire Weather WatchBIS11 hr
Mar 31, 2:42 PM CDTRed Flag WarningBIS31 hr
Apr 2, 3:48 AM CDTRed Flag WarningBIS16 hr
Apr 2, 8:44 PM CDTFire Weather WatchBIS6 hr
Apr 3, 3:08 AM CDTRed Flag WarningBIS18 hr
Apr 3, 9:15 PM CDTFire Weather WatchBIS6 hr
Apr 4, 3:41 AM CDTRed Flag WarningBIS17 hr
Apr 5, 8:13 AM CDTRed Flag WarningBIS12 hr
Apr 8, 2:51 PM CDTFire Weather WatchBIS14 hr
Apr 9, 4:24 AM CDTRed Flag WarningBIS18 hr
Apr 28, 3:34 PM CDTFire Weather WatchBIS23 hr
Apr 29, 2:38 PM CDTRed Flag WarningBIS30 hr
May 1, 3:18 AM CDTRed Flag WarningBIS17 hr
May 5, 2:25 PM CDTFire Weather WatchBIS13 hr
May 23, 2:50 PM CDTTornado WatchSPC7 hr
May 23, 6:25 PM CDTMesoscale DiscussionSPC95 min
May 23, 8:22 PM CDTMesoscale DiscussionSPC53 min
Jun 6, 1:22 AM CDTMesoscale DiscussionSPC113 min
Jun 8, 12:59 PM CDTSevere Thunderstorm WarningBIS61 min
Jun 8, 1:06 PM CDTMesoscale DiscussionSPC84 min
Jun 8, 1:45 PM CDTSevere Thunderstorm WarningBIS60 min
Jun 8, 3:34 PM CDTAreal Flood AdvisoryBIS3 hr
Jun 8, 4:41 PM CDTSevere Thunderstorm WarningBIS49 min
Jun 8, 5:28 PM CDTSevere Thunderstorm WarningBIS32 min
Jun 8, 6:31 PM CDTAreal Flood AdvisoryBIS10 hr
Jun 8, 11:58 PM CDTSevere Thunderstorm WarningBIS47 min
Jun 9, 12:43 AM CDTSevere Thunderstorm WarningBIS47 min
Jun 9, 8:37 AM CDTRiver Flood WarningBIS23 hr
Jun 10, 9:54 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 11, 12:21 AM CDTSevere Thunderstorm WarningBIS54 min
Jun 11, 1:11 AM CDTSevere Thunderstorm WarningBIS34 min
Jun 19, 9:56 PM CDTSpecial Weather StatementBIS34 min
Jul 3, 3:34 PM CDTMesoscale DiscussionSPC116 min
Jul 8, 4:38 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 22, 5:42 PM CDTMesoscale DiscussionSPC3 hr
Jul 22, 6:10 PM CDTSevere Thunderstorm WarningBIS65 min
Jul 23, 5:04 PM CDTMesoscale DiscussionSPC3 hr
Jul 23, 7:02 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 23, 7:31 PM CDTSevere Thunderstorm WarningBIS32 min
Jul 23, 7:40 PM CDTSevere Thunderstorm WarningBIS35 min
Jul 23, 8:20 PM CDTSevere Thunderstorm WarningBIS55 min
Jul 26, 4:13 AM CDTSpecial Weather StatementBIS32 min
Aug 7, 2:53 PM CDTAreal Flood AdvisoryBIS3 hr
Aug 7, 4:11 PM CDTFlash Flood WarningBIS3 hr
Aug 10, 4:02 AM CDTRed Flag WarningBIS17 hr
Aug 16, 2:25 PM CDTFire Weather WatchBIS14 hr
Aug 17, 4:17 AM CDTRed Flag WarningBIS17 hr
Aug 23, 7:38 PM CDTMesoscale DiscussionSPC2 hr
Aug 23, 9:37 PM CDTMesoscale DiscussionSPC113 min
Aug 23, 9:53 PM CDTSpecial Weather StatementBIS37 min
Aug 23, 10:06 PM CDTSevere Thunderstorm WarningBIS24 min
Aug 23, 10:11 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 26, 2:35 AM CDTMesoscale DiscussionSPC2 hr
Aug 26, 3:52 AM CDTSevere Thunderstorm WarningBIS23 min
Aug 30, 1:38 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 30, 2:54 PM CDTMesoscale DiscussionSPC2 hr
Aug 30, 5:58 PM CDTMesoscale DiscussionSPC62 min
Aug 30, 6:02 PM CDTSevere Thunderstorm Warning Destructive damage threatBIS58 min
Aug 30, 6:49 PM CDTSevere Thunderstorm WarningBIS35 min
Aug 30, 6:56 PM CDTSevere Thunderstorm WatchSPC3 hr
Sep 5, 3:16 PM CDTRed Flag WarningBIS29 hr
Sep 27, 2:29 PM CDTRed Flag WarningBIS31 hr
Oct 5, 3:50 AM CDTFire Weather WatchBIS10 hr
Oct 5, 2:07 PM CDTRed Flag WarningBIS30 hr
Nov 16, 9:38 AM CSTRed Flag WarningBIS8 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 archive20202022

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. Rebuilt daily.