North Dakota, 1999

Flooding in North Dakota, September 1 to 4, 1999

September 1 to 4, 1999 · NWS FGF · 2 events in 2 counties and zones

A swath of 4 to 6 inches of rain fell over 4 days, causing numerous problems to an area of southeast North Dakota that has struggled with high water for quite a few years. The rain flooded the streets of Gwinner, with 8 to 10 inches of water over the road to the Melroe plant.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
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 FGF wrote it up.

A swath of 4 to 6 inches of rain fell over 4 days, causing numerous problems to an area of southeast North Dakota that has struggled with high water for quite a few years. The rain flooded the streets of Gwinner, with 8 to 10 inches of water over the road to the Melroe plant.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flood. Local standard time, as filed.

Flood, Ransom

When
September 1, 12:00 AM CST to September 4, 11:59 PM CST
Where
Ransom forecast zone
Reported by
TRAINED SPOTTER
Coordinates
46.456, -97.657 (the zone’s center; the record gives no point)

Flood, Sargent

When
September 1, 12:00 AM CST to September 4, 11:59 PM CST
Where
Sargent forecast zone
Reported by
TRAINED SPOTTER
Coordinates
46.108, -97.631 (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

More

Every storm in North Dakota in 1999Every state in 1999This day in weather historyWarnings in North Dakota, September 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: 5713690, 5713691.