Flood, Wapello
- When
- July 6, 3:30 AM CST to 8:00 AM CST
- Where
- Wapello County, Ottumwa
- Property damage
- $25,000
- Crop damage
- $5,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.031, -92.409 (the zone’s center; the record gives no point)
Flooding in Iowa, July 6, 1998
A fairly small area of thunderstorms moved across Wapello County during the early morning hours of the 6th. Though there was no severe weather associated with the storms, rainfall of 1 to 2 inches in under two hours time did produce urban flooding in the area as soil was nearly saturated before the rain fell.
Where it happened
Every event with a place to put it; 4 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
- $100,000
- Crop damage
- $20,000
- Events
- 4
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 DMX wrote it up.
A fairly small area of thunderstorms moved across Wapello County during the early morning hours of the 6th. Though there was no severe weather associated with the storms, rainfall of 1 to 2 inches in under two hours time did produce urban flooding in the area as soil was nearly saturated before the rain fell. Isolated reports of up to 4 inches in three hours time were received as well. The storms did produce some minor urban and small stream flooding in the Warren, Marion, and Mahaska County areas as well.
The radar
The national radar mosaic for the moment the first event began.
Event by event
4 flood. Local standard time, as filed.
Flood, Mahaska
- When
- July 6, 3:30 AM CST to 8:00 AM CST
- Where
- Mahaska County, Oskaloosa
- Property damage
- $25,000
- Crop damage
- $5,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.335, -92.641 (the zone’s center; the record gives no point)
Flood, Marion
- When
- July 6, 3:30 AM CST to 8:00 AM CST
- Where
- Marion County, Knoxville
- Property damage
- $25,000
- Crop damage
- $5,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.334, -93.099 (the zone’s center; the record gives no point)
Flood, Warren
- When
- July 6, 3:30 AM CST to 8:00 AM CST
- Where
- Warren County, Carlisle
- Property damage
- $25,000
- Crop damage
- $5,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.334, -93.561 (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
- Heat in Oklahoma, July 6 to 31, 1998
- Lightning Strike in Florida, July 6, 1998
- Drought in Oklahoma, July 6 to 31, 1998
- Flooding in Iowa, July 6 to 10, 1998
- Hail and Damaging Winds in South Dakota, July 6, 1998
- Hail in South Dakota, July 6, 1998
- Flash Flooding and Flood in Arizona, July 6 to 31, 1998
- Tornado and Flash Flooding in Iowa, July 6 to 7, 1998
- Tornadoes and Hail in Nebraska, July 6, 1998
- Hail and Damaging Winds in South Dakota, July 6, 1998
- Hail in Montana, July 6, 1998
- Damaging Wind in South Dakota, July 6, 1998
More
Every storm in Iowa in 1998Every state in 1998This day in weather historyWarnings in Iowa, July 1998
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: 5652949, 5652950, 5652951, 5652952.