South Carolina, 2017

Flash Flooding and Hail in South Carolina, April 23 to 24, 2017

April 23 to 24, 2017 · NWS CAE · 12 events in 3 counties and zones

A stationary front, an upper low, and a moist environment contributed to thunderstorm activity that produced locally heavy rain in some locations. A few of the storms produced hail and wind damage.

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
$2,000
Crop damage
$800
Events
12

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 stationary front, an upper low, and a moist environment contributed to thunderstorm activity that produced locally heavy rain in some locations. A few of the storms produced hail and wind damage. 2 day rainfall totals across Richland County, SC, courtesy RCWINDS, of up to 3 to over 5 and a half inches were measured, with the heaviest amounts in lower Richland Co in the Hopkins area.

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 Apr 22, 9:18 PM EST, 2 hours 42 minutes earlier.

Area forecast discussion, Apr 22, 9:18 PM EST, 2 hours 42 minutes before
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Hazardous weather outlook, Apr 22, 2:39 AM EST, 21 hours 21 minutes before
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The radar

The Columbia radar (KCAE), 23 km away, was scanning. The volume nearest the first event began at 05:01 UTC.

Open the radar archive at this moment

Event by event

6 flash flood, 3 hail, 2 heavy rain, 1 thunderstorm wind. Local standard time, as filed.

Heavy Rain, Richland

When
April 23, 12:00 AM EST to April 24, 11:59 PM EST
Where
Richland County, 1.15 mi W of Horrel Hill
Property damage
$100
Crop damage
$100
Reported by
Mesonet
Coordinates
33.950, -80.870

RCWINDS gage at Lower Richland Fire Station measured a 2 day rainfall total of 5.63 inches.

Flash Flood, Richland

When
April 23, 11:17 PM EST
Where
Richland County, 0.72 mi NW of Olympia Mills to 0.74 mi NW of Olympia Mills
Cause
Heavy Rain
Property damage
$100
Crop damage
$100
Reported by
Other Federal Agency
Coordinates
33.989, -81.027

USGS stream gage at Rocky Branch Creek at Main and Whaley St reached the flood stage of 7.2 feet at 1217 am EDT on April 24th (1117 pm EST on April 23rd).

Flash Flood, Richland

When
April 23, 11:35 PM EST to 11:59 PM EST
Where
Richland County, 0.4 mi NNW of Columbia to 0.43 mi NNW of Columbia
Cause
Heavy Rain
Property damage
$1,000
Crop damage
$100
Reported by
Broadcast Media
Coordinates
34.006, -81.022

A car was submerged halfway up the door near the intersection of Gervais St and Harden St under the railroad bridge.

Flash Flood, Richland

When
April 23, 11:45 PM EST
Where
Richland County, 0.71 mi NW of Olympia Mills to 0.74 mi NW of Olympia Mills
Cause
Heavy Rain
Property damage
$100
Crop damage
$100
Reported by
Other Federal Agency
Coordinates
33.988, -81.027

USGS stream gage at Rocky Branch Creek at the intersection of Main and Whaley St peaked at 10.29 feet at 12:45 am EDT April 24th (11:45 pm EST April 23rd). Flood stage is 7.2 feet. The stream fell below flood stage at 1:09 am EDT April 24th (12:09 am EST April 24th).

Hail, Calhoun

When
April 24, 1:40 PM EST to 1:45 PM EST
Where
Calhoun County, 1.72 mi W of Hammond Xrds
Measured
1 in hail
Reported by
Emergency Manager
Coordinates
33.750, -80.910

EMT crew experienced quarter size hail along Big Beaver Creek Rd.

Heavy Rain, Orangeburg

When
April 24, 3:45 PM EST to 5:45 PM EST
Where
Orangeburg County, 0.9 mi SE of Rowesville
Reported by
Emergency Manager
Coordinates
33.360, -80.840

A rain gage on Calhoun St at Rowesville city limit measured 5.9 inches of rain in approximately 2 hours.

Flash Flood, Orangeburg

When
April 24, 4:41 PM EST to 5:00 PM EST
Where
Orangeburg County, 0.69 mi ENE of Rowesville to 0.7 mi ENE of Rowesville
Cause
Heavy Rain
Property damage
$100
Crop damage
$100
Reported by
Emergency Manager
Coordinates
33.372, -80.838

Flash flooding reported at intersection of River Dr and Calhoun St near Rowesville. 2 feet of water covered the roadway.

Hail, Orangeburg

When
April 24, 4:41 PM EST to 4:45 PM EST
Where
Orangeburg County, 0.58 mi E of Rowesville
Measured
0.75 in hail
Reported by
Emergency Manager
Coordinates
33.370, -80.840

Orangeburg Co EM reported dime size hail in Rowesville.

Hail, Orangeburg

When
April 24, 5:45 PM EST to 5:50 PM EST
Where
Orangeburg County, 2.88 mi E of Orangeburg Arpt
Measured
0.25 in hail
Property damage
$100
Crop damage
$100
Reported by
Emergency Manager
Coordinates
33.450, -80.800

Orangeburg Co EM reported pea size hail along 5400 block of Charleston Hwy.

Thunderstorm Wind, Orangeburg

When
April 24, 6:10 PM EST to 6:15 PM EST
Where
Orangeburg County, 2.15 mi SSW of Oaks Xrds
Measured
55 kt (63 mph) estimated gust
Reported by
Law Enforcement
Coordinates
33.420, -80.640

SC Highway Patrol reported trees down at Landsdown Rd near Bowman.

Flash Flood, Orangeburg

When
April 24, 6:30 PM EST to 6:45 PM EST
Where
Orangeburg County, 1.86 mi WSW of Four Holes to 2.47 mi SE of Four Holes
Cause
Heavy Rain
Property damage
$100
Crop damage
$100
Reported by
Law Enforcement
Coordinates
33.467, -80.749

Roadway flooding on Interstate 26 at mile marker 154. Flooding also along Five Chop Rd.

Flash Flood, Orangeburg

When
April 24, 6:40 PM EST to 7:00 PM EST
Where
Orangeburg County, 3.53 mi ESE of Orangeburg Arpt to 3.27 mi SW of Four Holes
Cause
Heavy Rain
Property damage
$100
Crop damage
$100
Reported by
Emergency Manager
Coordinates
33.440, -80.790

Orangeburg Co EM reported 3584 Charleston Hwy flooded and impassable.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
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.
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.

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

The same day elsewhere

More

Every storm in South Carolina in 2017Every state in 2017This day in weather historyWarnings in South Carolina, April 2017

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: 696141, 696084, 696087, 696091, 696127, 696132, 696094, 696129, 696137, 696135, 696095, 696097.