An isolated thunderstorm developed, in the vicinity of a stationary front and low pressure system, across Perkins County and then tracked into Corson County during the early evening of June 21st. It produced a brief tornado in Perkins County, and a measured wind gust of 70 mph in Corson County before dissipating across far eastern Corson County near midnight CDT.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ABR wrote it up.
An isolated thunderstorm developed, in the vicinity of a stationary front and low pressure system, across Perkins County and then tracked into Corson County during the early evening of June 21st. It produced a brief tornado in Perkins County, and a measured wind gust of 70 mph in Corson County before dissipating across far eastern Corson County near midnight CDT.
The Bismarck radar (KBIS), 127 km away, was scanning. The volume nearest the first event began at 01:46 UTC.
1 thunderstorm wind. Local standard time, as filed.
A personal weather station 6 miles south of Morristown recorded a wind gust of 70 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2023Every state in 2023This day in weather historyWarnings in South Dakota, June 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1097659.