Alert archive / South Dakota / 1986

Weather alerts in South Dakota, September 1986

21 weather alerts in September 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 in September 1986. Tap one for its archive.

Alerts
21
Warnings
21
Watches
0
Advisories
0
Busiest day
September 21, 198610 alerts

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 31, 10:38 PM CDTSevere Thunderstorm WarningFSDTripp67 min
Aug 31, 11:09 PM CDTSevere Thunderstorm WarningABRFaulk36 min
Sep 9, 6:18 AM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Hutchinson57 min
Sep 9, 10:26 AM CDTSevere Thunderstorm WarningFSDClay, Yankton64 min
Sep 19, 2:07 AM CDTSevere Thunderstorm WarningFSDHutchinson, McCook, Turner68 min
Sep 20, 11:07 PM CDTSevere Thunderstorm WarningFSDGregory68 min
Sep 20, 11:35 PM CDTSevere Thunderstorm WarningFSDAurora, Brule, Charles Mix35 min
Sep 20, 11:55 PM CDTSevere Thunderstorm WarningFSDAurora, Davison, Douglas65 min
Sep 21, 12:32 AM CDTSevere Thunderstorm WarningFSDDavison, Hanson, Hutchinson58 min
Sep 21, 1:07 AM CDTSevere Thunderstorm WarningABRSanborn68 min
Sep 21, 1:17 AM CDTSevere Thunderstorm WarningABRMiner58 min
Sep 21, 1:19 AM CDTSevere Thunderstorm WarningFSDMcCook, Minnehaha56 min
Sep 21, 1:19 AM CDTSevere Thunderstorm WarningFSDLincoln56 min
Sep 21, 1:46 AM CDTSevere Thunderstorm WarningFSDLake, Moody59 min
Sep 21, 2:22 AM CDTSevere Thunderstorm WarningFSDMinnehaha, Moody53 min
Sep 24, 6:05 PM CDTTornado WarningUNRButte30 min
Sep 24, 7:15 PM CDTSevere Thunderstorm WarningFSDMellette, Todd60 min
Sep 24, 8:07 PM CDTSevere Thunderstorm WarningABRJones68 min
Sep 24, 8:12 PM CDTSevere Thunderstorm WarningFSDMellette, Todd63 min
Sep 24, 8:44 PM CDTSevere Thunderstorm WarningABRStanley61 min
Sep 24, 10:22 PM CDTTornado WarningABRDewey37 min

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning19
Tornado Warning2

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 archive1987

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.