Alert archive

Weather alerts in South Dakota

48,613 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
48,613
Warnings
28,151
Watches
3,105
Advisories
5,147
Busiest year
20192,541 alerts
Average year
1,186over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

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

26 more counties

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 14, 4:09 AM CDTSevere Thunderstorm WarningFSDAurora, Jerauld18 min
Sep 11, 9:24 PM CDTSevere Thunderstorm Warning Considerable damage threatFSDClay, Union51 min
Sep 11, 7:48 PM CDTSevere Thunderstorm WarningFSDLincoln, McCook, Minnehaha, Turner22 min
Sep 11, 7:19 PM CDTSevere Thunderstorm WarningABRGrant, Roberts27 min
Sep 11, 6:54 PM CDTSevere Thunderstorm WarningFSDBrookings, Lake, Moody51 min
Sep 11, 1:36 AM CDTRed Flag WarningABRBuffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more17 hr
Sep 10, 12:12 PM CDTRed Flag WarningUNRBennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington31 hr
Sep 8, 9:23 AM CDTRed Flag WarningABRCampbell, Corson, Dewey, Potter, Sully, Walworth10 hr
Sep 7, 11:55 PM CDTSevere Thunderstorm WarningFSDAurora, Charles Mix, Davison, Douglas, Hanson, Hutchinson and 1 more50 min
Sep 7, 11:42 PM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha48 min
Sep 7, 11:21 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Douglas39 min
Sep 7, 11:19 PM CDTSevere Thunderstorm WarningFSDDouglas, Hutchinson41 min

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.