Alert archive / South Dakota / Tornado Warnings / 2021

Tornado Warnings in South Dakota, August 2021

8 tornado warnings in August 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 August 2021. Tap one for its archive.

Tornado Warnings
8
Busiest day
August 28, 20214 tornado warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
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

By county

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

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.