Scattered thunderstorms developed across the higher terrain of the High Plains and moved into central South Dakota during the evening of June 29th. Despite weak instability, deep inverted-V soundings resulted in DCAPE values of 1000-1500 J/kg, allowing for isolated damaging wind gusts with the strongest storms.
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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 FSD wrote it up.
Scattered thunderstorms developed across the higher terrain of the High Plains and moved into central South Dakota during the evening of June 29th. Despite weak instability, deep inverted-V soundings resulted in DCAPE values of 1000-1500 J/kg, allowing for isolated damaging wind gusts with the strongest storms.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 29, 5:45 PM CST, 1 hour earlier.
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</html>The Aberdeen radar (KABR), 116 km away, was scanning. The volume nearest the first event began at 00:44 UTC.
2 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts downed a large tree branch. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.
A thunderstorm wind gust of 62 mph was measured by South Dakota Road Weather Information System site SD553 5 miles west of Plankinton.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2022Every state in 2022This day in weather historyWarnings in South Dakota, June 2022
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 2026-09-30. Each event’s entry at NCEI: 1037761, 1037760.