Name: Flash Flood and Hail in South Carolina, July 11, 2016
Start: 2016-07-11T12:28
End: 2016-07-11T18:45
Location: South Carolina

Where it happened

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

The toll

Deaths: 0
Injuries: 0
Property damage: $120
Crop damage: $210
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 CAE wrote it up.

A stalled frontal boundary along the NC and SC border produced very heavy rainfall producing flash flooding in Chesterfield County. Some small hail was reported with some of the stronger storms in Sumter County.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before the first event at Jul 10, 6:46 PM EST, 17 hours 42 minutes earlier.

Area forecast discussion, Jul 10, 6:46 PM EST, 17 hours 42 minutes before

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The radar

The Columbia radar (KCAE), 120 km away, was scanning. The volume nearest the first event began at 17:28 UTC.

Open the radar archive at this moment

Event by event

2 hail, 1 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Thunderstorm Wind, Chesterfield

When: July 11, 12:28 PM EST
Where: Chesterfield County, 0.55 mi NNW of Patrick
Measured: 60 kt (69 mph) estimated gust
Reported by: Department of Highways
Coordinates: 34.577, -80.055

Trees down on Turnage Road.

Flash Flood, Chesterfield

When: July 11, 3:30 PM EST to 4:00 PM EST
Where: Chesterfield County, 0.89 mi SE of Hernsboro to 0.94 mi SE of Hernsboro
Cause: Heavy Rain
Property damage: $10
Crop damage: $100
Reported by: Department of Highways
Coordinates: 34.790, -80.270

DOT officials reported that heavy rainfall caused Thompson Creek to flood. The creek rose over the bridge at Hornsboro Road near Rudolph Sikes Road. The creek is usually 6 feet below the bridge. The heavy rain caused the width of the creek to increase approximately 150 to 200 feet at the bridge. The radar estimated that 4 to 6 inches of rain fell in the creek basin. The duration of the flash flood was 30 minutes.

Hail, Aiken

When: July 11, 6:40 PM EST
Where: Aiken County, 57.46 mi ENE of Perry
Measured: 0.5 in hail
Property damage: $10
Crop damage: $10
Reported by: NWS Employee
Coordinates: 33.942, -80.392

Dime size hail and estimated 45 kt wind gusts at Shadow Trail in Sumter.

Hail, Sumter

When: July 11, 6:45 PM EST
Where: Sumter County, 3.09 mi SW of Quints Xrds
Measured: 0.5 in hail
Property damage: $100
Crop damage: $100
Reported by: CoCoRaHS
Coordinates: 33.950, -80.390

Dime to pea size hail near Sumter.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
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.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Carolina in 2016 Every state in 2016 This day in weather history Warnings in South Carolina, July 2016

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: 651339, 651342, 651338, 651335.