Flood, Corson
- When
- March 23, 9:45 AM MST to March 31, 10:30 AM MST
- Where
- Corson County, 12.22 mi NNW of Athboy to 0.48 mi NNW of Athboy
- Cause
- Heavy Rain / Snow Melt
- Reported by
- River/Stream Gage
- Coordinates
- 45.740, -102.000
Much above normal snow pack melt water and ice jamming brought flooding on the the Grand, Moreau, and Bad rivers across Corson, Dewey, Jones, and Stanley counties at the end of March. The Grand River at Little Eagle rose to moderate flood stage, nearly 4 and half feet above the flood stage of 15 feet.
Every event with a place to put it. Tap one for its entry below.
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.
Much above normal snow pack melt water and ice jamming brought flooding on the the Grand, Moreau, and Bad rivers across Corson, Dewey, Jones, and Stanley counties at the end of March. The Grand River at Little Eagle rose to moderate flood stage, nearly 4 and half feet above the flood stage of 15 feet. The Moreau River near Whitehorse rose to major flood stage, almost 28 feet or 7 feet above flood stage. The Bad River near Fort Pierre rose just above the flood stage of 21 feet to 21.2 feet. The Bad River road was closed for a short time. Agricultural land along with several roads were flooded.
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 Aberdeen, SD wrote its last area forecast discussion before the first event at Mar 23, 8:26 AM MST, 1 hour 19 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Aberdeen SD 1027 AM CDT Sat Mar 23 2019 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-241530- Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts- Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant- Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo- 1027 AM CDT Sat Mar 23 2019 /927 AM MDT Sat Mar 23 2019/ This Hazardous Weather Outlook is for west central Minnesota, central South Dakota, north central South Dakota and northeast South Dakota. .DAY ONE...Today and tonight. Snowmelt will contribute to overland and river/stream flooding over portions of the region. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Continued snowmelt over the next several days will contribute to overland and river/stream flooding over portions of the region. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SD
The national radar mosaic for the moment the first event began.
4 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2019Every state in 2019This day in weather historyWarnings in South Dakota, March 2019
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: 813330, 813843, 815591, 813849.