Alert archive / South Dakota / Tornado Warnings

Tornado Warnings in South Dakota, 2021

31 tornado warnings in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.

Tornado Warnings by county

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

Tornado Warnings
31
Busiest month
October15 tornado warnings
Busiest day
October 9, 202112 tornado warnings

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.

IssuedProductOfficeCountiesLasted
May 23, 3:45 PM CDTTornado WarningUNRMeade30 min
May 23, 4:13 PM CDTTornado WarningUNRMeade, Perkins47 min
May 23, 4:58 PM CDTTornado WarningUNRPerkins47 min
May 23, 4:59 PM CDTTornado WarningUNRCuster31 min
May 23, 5:14 PM CDTTornado WarningUNRCuster, Pennington13 min
Jun 8, 8:21 PM CDTTornado Warning Tornado observedABRCorson, Dewey24 min
Jun 8, 8:44 PM CDTTornado WarningABRCorson16 min
Aug 22, 6:47 PM CDTTornado WarningFSDAurora, Davison, Sanborn32 min
Aug 22, 6:54 PM CDTTornado WarningABRSpink15 min
Aug 22, 8:05 PM CDTTornado Warning Tornado observedABRDay, Grant25 min
Aug 23, 9:39 PM CDTTornado WarningABRCorson25 min
Aug 28, 8:50 AM CDTTornado WarningABRGrant, Roberts25 min
Aug 28, 4:23 PM CDTTornado WarningFSDLincoln, Turner37 min
Aug 28, 4:39 PM CDTTornado Warning Tornado observedFSDLincoln36 min
Aug 28, 4:45 PM CDTTornado WarningFSDLincoln, Minnehaha30 min
Oct 9, 3:56 PM CDTTornado WarningFSDAurora, Jerauld34 min
Oct 9, 4:10 PM CDTTornado WarningABRBrown, Spink35 min
Oct 9, 4:30 PM CDTTornado WarningABRBrown15 min
Oct 9, 4:33 PM CDTTornado Warning Tornado observedABRBrown, Day, Spink27 min
Oct 9, 4:57 PM CDTTornado WarningABRBrown, Day, Marshall18 min
Oct 9, 5:16 PM CDTTornado WarningABRDay, Marshall29 min
Oct 9, 5:17 PM CDTTornado WarningABRBrown, Day, Marshall28 min
Oct 9, 5:44 PM CDTTornado WarningABRBrown, Marshall31 min
Oct 9, 5:47 PM CDTTornado WarningABRDay, Marshall, Roberts28 min
Oct 9, 6:07 PM CDTTornado Warning Tornado observedABRDay, Roberts23 min
Oct 9, 6:14 PM CDTTornado WarningABRMarshall, Roberts31 min
Oct 9, 6:28 PM CDTTornado WarningABRRoberts21 min
Oct 13, 3:10 PM CDTTornado Warning Tornado observedABRRoberts20 min
Oct 13, 3:27 PM CDTTornado WarningABRMarshall, Roberts33 min
Oct 13, 3:50 PM CDTTornado WarningABRMarshall, Roberts40 min
Dec 15, 4:00 PM CSTTornado WarningFSDUnion45 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. October 9, 202112tornado warnings
  2. May 23, 20215tornado warnings
  3. August 28, 20214tornado warnings
  4. October 13, 20213tornado warnings
  5. June 9, 20212tornado warnings
  6. August 22, 20212tornado warnings
  7. August 23, 20211tornado warnings
  8. August 24, 20211tornado warnings
  9. December 15, 20211tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe 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.