South Carolina, 2022

Flash Flood and Flood in South Carolina, September 3, 2022

September 3, 2022 · NWS GSP · 2 events in 1 county or zone

A small area of heavy rain showers and thunderstorms repeatedly developed and moved over the same areas of Oconee County during the overnight and early morning hours of the 3rd. Rainfall totals of 4-7 inches resulted in flash flooding across the western half of the county.

Where it happened

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  • 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
$10,000
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 GSP wrote it up.

A small area of heavy rain showers and thunderstorms repeatedly developed and moved over the same areas of Oconee County during the overnight and early morning hours of the 3rd. Rainfall totals of 4-7 inches resulted in flash flooding across the western half of the county.

The radar

The Greer radar (KGSP), 83 km away, was scanning. The volume nearest the first event began at 13:02 UTC.

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Event by event

1 flash flood, 1 flood. Local standard time, as filed.

Flash Flood, Oconee

When
September 3, 8:00 AM EST to 10:00 AM EST
Where
Oconee County, 2.78 mi WSW of Walhalla to 4.48 mi SW of Walhalla
Cause
Heavy Rain
Property damage
$10,000
Reported by
Fire Department/Rescue
Coordinates
34.748, -83.111

Multiple sources reported flash flooding developed over western Oconee County after 4 to 7 inches of rain fell in around 6 hours. Impacts were generally limited to inundated roads, including Stribling Shoals Rd and Coffee Rd at the confluence of White Fork and Coneross Creeks. The Chauga River and Ramsey Creek caused significant flooding of Chau Ram Park and Ramsey Creek Rd. Multiple roads were reported flooded and closed closer to Westminster, including Clearmont Rd, which was inundated by Colonels Fork Creek.

Flood, Oconee

When
September 3, 10:00 AM EST to 1:00 PM EST
Where
Oconee County, 2.78 mi WSW of Walhalla to 4.48 mi SW of Walhalla
Cause
Heavy Rain
Reported by
Fire Department/Rescue
Coordinates
34.748, -83.111

Although heavy rain tapered off across Oconee County during the late morning, flooding due to the overnight and early morning rainfall persisted into the early afternoon before receding.

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.
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 South Carolina in 2022Every state in 2022This day in weather historyWarnings in South Carolina, September 2022

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: 1057246, 1057247.