Flood, Brown
- When
- April 1, 12:00 AM CST to April 4, 3:00 PM CST
- Where
- Brown forecast zone
- Coordinates
- 45.590, -98.352 (the zone’s center; the record gives no point)
Flood in South Dakota, April 1 to 4, 1997
Late March flooding from snowmelt runoff and ice jamming continued on the Elm River into early April. 5 feet on the 30th of March the Elm River at Westport dropped below flood stage the afternoon of the 4th.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS ABR wrote it up.
Late March flooding from snowmelt runoff and ice jamming continued on the Elm River into early April. After a crest of 21.5 feet on the 30th of March the Elm River at Westport dropped below flood stage the afternoon of the 4th. Flood stage at Westport is 14 feet. Most of the town of Westport was flooded in late March continuing into early April with most homes receiving major damage. Most of the town of Westport was evaucated in late March along with the town of Ordway.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood. Local standard time, as filed.
What these are
- 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.
The same day elsewhere
- Heavy Snow and Strong Wind in Massachusetts, April 1, 1997
- High Wind in North Carolina, April 1, 1997
- Drought in Texas, April 1 to 30, 1997
- Heavy Snow and Strong Wind in Rhode Island, April 1, 1997
- Heavy Snow and Strong Wind in Connecticut, April 1, 1997
- Flooding in Louisiana, April 1 to 20, 1997
- Flooding in Iowa, April 1 to 10, 1997
- Winter Storm and Hail in Kansas, April 1 to 29, 1997
- Heavy Snow and High Wind in New Jersey, April 1, 1997
- Cold in West Virginia, April 1 to 30, 1997
- Cold in North Carolina, April 1 to 18, 1997
- Flooding in South Dakota, April 1 to 30, 1997
More
Every storm in South Dakota in 1997Every state in 1997This day in weather historyWarnings in South Dakota, April 1997
Sources
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: 5599022.