Runoff from heavy rain caused record flooding of Platte Creek in Charles Mix County.
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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.
Runoff from heavy rain caused record flooding of Platte Creek in Charles Mix County.
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 20, 2:30 AM CST, 3 hours 30 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Runoff from heavy rain caused record flooding of Platte Creek, with several roads under water. The creek reached its highest level of 2.1 feet above flood stage near Platte at the end of the month.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2011Every state in 2011This day in weather historyWarnings in South Dakota, June 2011
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 2026-09-24. Each event’s entry at NCEI: 328202.