Flash Flood, Clay
- When
- July 1, 3:30 PM CST to 5:00 PM CST
- Where
- Clay County, Clay City
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.754, -88.490 (the zone’s center; the record gives no point)
Flash Flooding in Illinois, July 1, 1999
Strong thunderstorms producing heavy rainfall trained across the area for several hours. 57 inches.
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
- $12,000
- 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 ILX wrote it up.
Strong thunderstorms producing heavy rainfall trained across the area for several hours. Some NWS cooperative observer reports include Clay City, 6.00 inches; Olney, 4.17 inches; and Lawrenceville with 3.57 inches. This heavy rainfall occurred within 4 hours. Numerous county roads were reported underwater across southern portions of Clay, Richland and Lawrence Counties. The most structural damage occurred in Lawrence County. Fifty homes and 5 businesses were damaged. Most of which occurred in the town of Bridgeport. Two persons were also rescued from their vehicles in Richland County.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flash flood. Local standard time, as filed.
Flash Flood, Richland
- When
- July 1, 4:00 PM CST to 5:30 PM CST
- Where
- Richland County, Olney
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.712, -88.085 (the zone’s center; the record gives no point)
Flash Flood, Lawrence
- When
- July 1, 4:30 PM CST to 6:30 PM CST
- Where
- Lawrence County, Bridgeport
- Property damage
- $12,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.720, -87.727 (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 Pennsylvania, July 1 to 31, 1999
- Drought in Pennsylvania, July 1 to 31, 1999
- Flash Flooding and Hail in Kansas, July 1, 1999
- Drought in Virginia, July 1 to 31, 1999
- Tornado and Damaging Winds in Ohio, July 1, 1999
- Flash Flood and Damaging Winds in Tennessee, July 1 to 29, 1999
- Tornado in Kentucky, July 1, 1999
- Flooding in Florida, July 1, 1999
- Hail and Damaging Winds in Oklahoma, July 1, 1999
- Lightning Strike in Florida, July 1, 1999
- Hail and Damaging Winds in South Dakota, July 1 to 27, 1999
- Flash Flooding and Damaging Winds in Tennessee, July 1 to 2, 1999
More
Every storm in Illinois in 1999Every state in 1999This day in weather historyWarnings in Illinois, July 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: 5707166, 5707167, 5707168.