South Dakota, 2019Flooding in South Dakota, September 1 to 30, 2019
September 1 to 30, 2019 · NWS FSD · 5 events in 2 counties and zones
Continued high dam releases, along with another period of very heavy rainfall in the middle of the month, maintained river flooding along much of the Missouri River between Fort Randall and Gavins Point Dams. Three to eight inches of rainfall was common between September 10 and 12 in basins above Gavins Point Dam.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- $20,000
- Crop damage
- None recorded
- Events
- 5
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.
Continued high dam releases, along with another period of very heavy rainfall in the middle of the month, maintained river flooding along much of the Missouri River between Fort Randall and Gavins Point Dams. Three to eight inches of rainfall was common between September 10 and 12 in basins above Gavins Point Dam.
Flood, Charles Mix
- When
- September 1, 12:00 AM CST to September 11, 5:15 PM CST
- Where
- Charles Mix County, 1.72 mi W of Pickstown to 1.47 mi W of Marty
- Cause
- Planned Dam Release
- Reported by
- River/Stream Gage
- Coordinates
- 43.066, -98.564
A continuation of flooding from August, the start of September was spent in moderate flood stage. The Missouri River near Greenwood (gage site GRWS2) crested 1.47 feet above flood stage on September 11. However, the excessive precipitation on September 10-12 led to a drastic drop in Fort Randall dam releases which allowed the river to rapidly fall below flood stage on September 11. Impacts were mainly limited to inundation of agricultural land, as well as closing of numerous recreational boat ramps.
Flood, Charles Mix
- When
- September 1, 12:00 AM CST to September 15, 5:00 PM CST
- Where
- Charles Mix County, 4.59 mi SE of Greenwood to 4.11 mi ESE of Greenwood
- Cause
- Planned Dam Release
- Reported by
- River/Stream Gage
- Coordinates
- 42.882, -98.306
A continuation of flooding from August, the start of September was spent in minor flood stage. The Missouri River near Verdel (gage site MRVN1) crested 0.58 feet above flood stage on September 11. The excessive precipitation of September 10-12 resulted in a decrease in releases from Fort Randall Dam, which rapidly brought the river below flood stage by September 15. Impacts were mainly limited to inundation of agricultural land, as well as closing of numerous recreational boat ramps.
Flood, Bon Homme
- When
- September 1, 12:00 AM CST to September 15, 5:00 PM CST
- Where
- Bon Homme County, 6.29 mi W of Perkins to 4.55 mi WSW of Perkins
- Cause
- Planned Dam Release
- Reported by
- River/Stream Gage
- Coordinates
- 42.855, -98.142
A continuation of flooding from August, the start of September was spent in minor flood stage. The Missouri River near Verdel (gage site MRVN1) crested 0.58 feet above flood stage on September 11. The excessive precipitation of September 10-12 resulted in a decrease in releases from Fort Randall Dam, which rapidly brought the river below flood stage by September 15. Impacts were mainly limited to inundation of agricultural land, as well as closing of numerous recreational boat ramps.
Flood, Bon Homme
- When
- September 1, 12:00 AM CST to September 30, 11:59 PM CST
- Where
- Bon Homme County, 6.04 mi SW of Perkins to 4.55 mi WSW of Running Water
- Cause
- Planned Dam Release
- Property damage
- $10,000
- Reported by
- River/Stream Gage
- Coordinates
- 42.809, -98.106
Flooding continued from August, with the entire month remaining in major flood stage. The Missouri River at Niobrara (gage site MRNN1) crested 5.34 feet above flood stage on September 22, which was the second highest crest on record. High water closed numerous recreational boat ramps. The river remained at major flood stage at the end of the month.
Flood, Bon Homme
- When
- September 1, 12:00 AM CST to September 30, 11:59 PM CST
- Where
- Bon Homme County, 3.66 mi ENE of Running Water to 3.46 mi SSW of Springfield
- Cause
- Planned Dam Release
- Property damage
- $10,000
- Reported by
- River/Stream Gage
- Coordinates
- 42.791, -97.914
A continuation of flooding from August, the Missouri River at Springfield (gage site SPGS2) crested at 2.41 feet above flood stage on September 21. High water closed numerous recreational boat ramps, and some camping areas at Springfield Recreational Area. The river remained at moderate flood stage at the end of the month.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tropical Storm and Storm Surge in Florida, September 1 to 4, 20195 deaths · 13 events
- Heat in Arizona, September 1 to 2, 20195 deaths · 4 events
- Rip Current in North Carolina, September 1, 20191 death · 1 event
- Wildfire in Washington, September 1, 20191 death · $10,000 · 1 event
- Flooding in South Dakota, September 1 to 30, 2019$2.1 million · 10 events
- Dust Storm and Damaging Wind in Arizona, September 1, 2019$1.0 million · 2 events
- Flash Flood and Flood in Illinois, September 1, 2019$100,000 · 3 events
- Damaging Winds in Arizona, September 1, 2019$100,000 · 56 kt wind · 2 events
- Damaging Wind in Arizona, September 1, 2019$100,000 · 59 kt wind · 1 event
- Flash Flooding in California, September 1 to 2, 2019$77,000 · 2 events
- Flash Flooding and Damaging Wind in Pennsylvania, September 1 to 2, 2019$56,000 · 51 kt wind · 8 events
- Damaging Winds in Arizona, September 1, 2019$70,000 · 61 kt wind · 2 events
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: 852122, 852125, 852127, 852129, 852133.