Flood, Pierce
- When
- August 12, 2:00 AM CST to 2:00 PM CST
- Where
- Pierce County, Rugby
- Reported by
- GENERAL PUBLIC
- Coordinates
- 48.250, -99.972 (the zone’s center; the record gives no point)
Flooding in North Dakota, August 12, 1999
Heavy rainfall of 3 to 6 inches were common throughout the three county area. Main flood problems wereflooded streets and underpasses in urban areas.
Where it happened
Every event with a place to put it; 3 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
- 3
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 BIS wrote it up.
Heavy rainfall of 3 to 6 inches were common throughout the three county area. Main flood problems wereflooded streets and underpasses in urban areas. In open country ditches filled rapidly overrunning countyroads.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flood. Local standard time, as filed.
Flood, Sheridan
- When
- August 12, 2:00 AM CST to 2:00 PM CST
- Where
- Sheridan County, McClusky
- Reported by
- GENERAL PUBLIC
- Coordinates
- 47.575, -100.346 (the zone’s center; the record gives no point)
Flood, Wells
- When
- August 12, 2:00 AM CST to 2:00 PM CST
- Where
- Wells County, Hurdsfield
- Reported by
- GENERAL PUBLIC
- Coordinates
- 47.588, -99.661 (the zone’s center; the record gives no point)
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
- Hail and Damaging Winds in Illinois, August 12, 1999
- Lightning Strike in Florida, August 12, 1999
- Tornado and Flash Flood in Tennessee, August 12, 1999
- Damaging Wind in Missouri, August 12, 1999
- Hail and Damaging Winds in Georgia, August 12, 1999
- Damaging Winds and Lightning Strike in Oklahoma, August 12, 1999
- Tornado in Illinois, August 12, 1999
- Damaging Winds in Illinois, August 12, 1999
- Lightning Strike in South Dakota, August 12, 1999
- Damaging Wind in Florida, August 12, 1999
- Damaging Winds in Oklahoma, August 12, 1999
- Damaging Wind in Alabama, August 12, 1999
More
Every storm in North Dakota in 1999Every state in 1999This day in weather historyWarnings in North Dakota, August 1999
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 2026-09-24. Each event’s entry at NCEI: 5710297, 5710377, 5710378.