Runoff from snow melt along with periods of rainfall and some minor ice jams through mid March caused minor flooding along portions of the Vermillion River. Impacts were found generally in lowland agricultural locations.
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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 snow melt along with periods of rainfall and some minor ice jams through mid March caused minor flooding along portions of the Vermillion River. Impacts were found generally in lowland agricultural locations.
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 Mar 24, 3:27 PM CST, 33 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
4 flood. Local standard time, as filed.
Heavy rainfall along with snow melt and some ice jamming caused minor flooding of lowland agricultural areas along portions of the Vermillion River. The river reached a crest of 1.0 feet above flood stage near Davis (gage site DVSS2) on March 25.
Heavy rainfall along with snow melt and some ice jamming caused minor flooding of lowland agricultural areas along portions of the Vermillion River. The river reached a crest of 1.0 feet above flood stage near Davis (gage site DVSS2) on March 25.
Heavy rainfall along with snow melt and some ice jamming caused minor flooding of lowland agricultural areas along portions of the Vermillion River. The river reached an estimated crest of 0.6 feet above flood stage near Wakonda (gage site WKAS2) on March 27.
Heavy rainfall along with snow melt and some ice jamming caused minor flooding of lowland agricultural areas along portions of the Vermillion River. The river reached an estimated crest of 0.6 feet above flood stage near Wakonda (gage site WKAS2) on March 27.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2018Every state in 2018This day in weather historyWarnings in South Dakota, March 2018
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: 762101, 762102, 762104, 762105.