Flash Flood, Perkins
- When
- June 11, 10:00 AM MST to 4:00 PM MST
- Where
- Perkins County, 10 mi NW of Usta
- Property damage
- $25,000
- Coordinates
- 45.491, -102.476 (the zone’s center; the record gives no point)
Flash Flooding in South Dakota, June 11, 1997
Excessive rain of four to eight inches fell during the overnight and early morning hours over southeast Perkins and northern Ziebach counties; as a result, numerous creeks and the Moreau river overflowed their banks. Sections of Highway 73 and other secondary roads had be closed temporarily due to water flowing over them.
Where it happened
Every event with a place to put it; 2 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
- $25,000
- Crop damage
- None recorded
- Events
- 2
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 UNR wrote it up.
Excessive rain of four to eight inches fell during the overnight and early morning hours over southeast Perkins and northern Ziebach counties; as a result, numerous creeks and the Moreau river overflowed their banks. Sections of Highway 73 and other secondary roads had be closed temporarily due to water flowing over them. Two culverts northwest and west of Usta and three bridges over Deer Creek were washed out.
The radar
The Rapid City radar (KUDX), 154 km away, was scanning. The volume nearest the first event began at 17:00 UTC.
Event by event
2 flash flood. Local standard time, as filed.
Flash Flood, Ziebach
- When
- June 11, 10:00 AM MST to 4:00 PM MST
- Where
- Ziebach County, 30 mi NW of Dupree
- Coordinates
- 44.980, -101.666 (the zone’s center; the record gives no point)
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Texas, June 11, 1997
- Flash Flooding and Hail in Kansas, June 11 to 29, 1997
- Hail and Damaging Winds in Nebraska, June 11 to 22, 1997
- Tornadoes and Hail in Nebraska, June 11, 1997
- Tornado and Flash Flooding in Kansas, June 11 to 29, 1997
- Flash Flood and Hail in Texas, June 11, 1997
- Hail and Damaging Wind in Nebraska, June 11, 1997
- Hail and Damaging Winds in Kansas, June 11, 1997
- Flash Flooding and Hail in Washington, June 11 to 30, 1997
- Hail and Damaging Wind in Kansas, June 11, 1997
- Hail and Damaging Winds in New Mexico, June 11, 1997
- Tornadoes and Hail in Texas, June 11, 1997
More
Every storm in South Dakota in 1997Every state in 1997This day in weather historyWarnings in South Dakota, June 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: 5604185, 5604186.