South Carolina, 2018Flash Flooding and Lightning Strike in South Carolina, August 12 to 13, 2018
August 12 to 13, 2018 · NWS CAE · 6 events in 1 county or zone
Thunderstorms developed in a moist environment and produced locally heavy rain on the night of August 12th into the very early morning hours on August 13th.
Every event with a place to put it. 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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $200
- Crop damage
- $300
- Events
- 6
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.
Thunderstorms developed in a moist environment and produced locally heavy rain on the night of August 12th into the very early morning hours on August 13th.
Event by event
3 heavy rain, 2 flash flood, 1 lightning. Local standard time, as filed.
Heavy Rain, Sumter
- When
- August 12, 6:00 AM EST to August 13, 6:00 AM EST
- Where
- Sumter County, 2.45 mi E of Cane Savannah
- Reported by
- CoCoRaHS
- Coordinates
- 33.895, -80.408
CoCoRaHS observer reported a total of 4.71 inches of rain in the 24 hour period ending around 0700 EDT (0600 EST). Most of this rain fell in thunderstorm activity during the late night hours of 8/12.
Heavy Rain, Sumter
- When
- August 12, 6:00 AM EST to August 13, 6:00 AM EST
- Where
- Sumter County, 1.63 mi WNW of Sumter
- Reported by
- CoCoRaHS
- Coordinates
- 33.932, -80.374
CoCoRaHS observer reported a total of 4.00 inches of rain in the 24 hour period ending around 0700 EDT (0600 EST). Most of this rain fell in thunderstorm activity during the late night hours of 8/12.
Heavy Rain, Sumter
- When
- August 12, 9:30 PM EST to August 13, 12:00 AM EST
- Where
- Sumter County, 0.57 mi E of (Ssc)shaw Afb Sumter
- Reported by
- ASOS
- Coordinates
- 33.970, -80.470
Automated gage at Shaw AFB near Sumter measured 2.35 inches of rain in about a two and a half hour period ending at around 0100 EDT (0000 EST). 1.13 inches of this fell in about a half hour roughly between 2230 EDT (2130 EST) and 2300 EDT (2200 EST).
Lightning, Sumter
- When
- August 12, 10:11 PM EST
- Where
- Sumter County, 1.85 mi WNW of Sumter
- Crop damage
- $100
- Reported by
- Law Enforcement
- Coordinates
- 33.930, -80.380
Sumter dispatch reported a lightning strike to an apartment complex on Alice Dr that caused a fire. The extent of the damage was unknown, but several persons were displaced. No injuries.
Flash Flood, Sumter
- When
- August 12, 11:30 PM EST to 11:50 PM EST
- Where
- Sumter County, 0.52 mi SW of Sumter to 0.47 mi SW of Sumter
- Cause
- Heavy Rain
- Property damage
- $100
- Crop damage
- $100
- Reported by
- Law Enforcement
- Coordinates
- 33.915, -80.356
Roadway was flooded with stranded vehicles at Guignard Dr and Birnie Cir. Time estimated.
Flash Flood, Sumter
- When
- August 12, 11:30 PM EST to 11:50 PM EST
- Where
- Sumter County, 0.81 mi ENE of Sumter to 0.88 mi ENE of Sumter
- Cause
- Heavy Rain
- Property damage
- $100
- Crop damage
- $100
- Reported by
- 911 Call Center
- Coordinates
- 33.925, -80.337
Flooding with stranded vehicles at Calhoun St and Lafayette Dr in Sumter. Time estimated.
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- Lightning
- A lightning strike that killed, injured or caused damage.
- 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.
- Flash Flooding in Arizona, August 12, 20181 death · $15,000 · 2 events
- Damaging Winds in Texas, August 12, 2018$1.0 million · 2 events
- Dust Storm and Damaging Winds in Arizona, August 12, 2018$235,000 · 63 kt wind · 24 events
- Flash Flooding in Texas, August 12, 20183 injured · $100,000 · 5 events
- Hail and Damaging Winds in Virginia, August 12, 2018$141,000 · 1.25 in hail · 19 events
- Flash Flood and Hail in Mississippi, August 12, 2018$98,000 · 50 kt wind · 8 events
- Flash Flooding in Arizona, August 12, 2018$50,000 · 3 events
- Damaging Wind in Georgia, August 12, 2018$50,000 · 60 kt wind · 1 event
- Flash Flood and Damaging Winds in West Virginia, August 12, 2018$42,000 · 50 kt wind · 4 events
- Hail and Damaging Winds in Virginia, August 12, 20181.75 in hail · 26 events
- Flooding in Virginia, August 12, 201813 events
- Flash Flooding in New York, August 12, 20189 events
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: 767509, 767510, 767505, 767506, 767504, 767507.