South Carolina, 2020

Damaging Winds in South Carolina, August 14, 2020

August 14, 2020 · NWS CHS · 8 events in 3 counties and zones

Strong forcing associated with a passing shortwave trough and jet aloft along with deep moisture convergence along a sea breeze circulation led to several strong to severe thunderstorms across Southeast 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
$750
Crop damage
None recorded
Events
8

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 CHS wrote it up.

Strong forcing associated with a passing shortwave trough and jet aloft along with deep moisture convergence along a sea breeze circulation led to several strong to severe thunderstorms across Southeast South Carolina.

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 Charleston, SC wrote its last area forecast discussion before the first event at Aug 13, 6:20 PM EST, 22 hours 25 minutes earlier.

Area forecast discussion, Aug 13, 6:20 PM EST, 22 hours 25 minutes before
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The radar

The Charleston,SC radar (KCLX), 25 km away, was scanning. The volume nearest the first event began at 21:45 UTC.

Open the radar archive at this moment

Event by event

8 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Jasper

When
August 14, 4:45 PM EST to 4:46 PM EST
Where
Jasper County, 0.58 mi W of Switzerland
Measured
65 kt (75 mph) estimated gust
Reported by
911 Call Center
Coordinates
32.430, -81.010

The Jasper County 911 Call Center reported numerous trees blown along Interstate 95 near mile marker 16.

Thunderstorm Wind, Jasper

When
August 14, 4:45 PM EST to 4:46 PM EST
Where
Jasper County, 0.58 mi W of Switzerland
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
32.430, -81.010

Law enforcement reported a tree down near the intersection of Kato Bay Road and Crowfield Way.

Thunderstorm Wind, Jasper

When
August 14, 4:50 PM EST to 4:51 PM EST
Where
Jasper County, 0.9 mi SW of Grahamville
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
32.460, -80.980

Law enforcement reported a tree down on Mitchellville Road.

Thunderstorm Wind, Jasper

When
August 14, 4:50 PM EST to 4:51 PM EST
Where
Jasper County, 1.36 mi ESE of Ridgeland
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
32.470, -81.000

Law enforcement reported a tree down near the intersection of HapHazard Road and Smiths Crossing.

Thunderstorm Wind, Jasper

When
August 14, 4:54 PM EST to 4:55 PM EST
Where
Jasper County, 0.9 mi NE of Ridgeland Muni Arpt
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
32.510, -80.990

Law enforcement reported a tree down near the intersection of Lakeview Drive and Lucas Drive.

Thunderstorm Wind, Jasper

When
August 14, 4:55 PM EST to 4:56 PM EST
Where
Jasper County, 0.69 mi N of Ridgeland Muni Arpt
Measured
65 kt (75 mph) estimated gust
Reported by
Emergency Manager
Coordinates
32.510, -81.000

A Jasper County emergency manager reported trees down on two homes in Lakeview Terrace off Grays Highway. Trees also fell on two homes along Malphrus Road near Mark Road and Carson Road. Some trees were snapped off approximately 40 ft off the ground and several power lines were also down around the area.

Thunderstorm Wind, Hampton

When
August 14, 5:26 PM EST to 5:27 PM EST
Where
Hampton County, 2.22 mi SE of Early Branch
Measured
50 kt (58 mph) estimated gust
Reported by
911 Call Center
Coordinates
32.730, -80.890

The Hampton County 911 Call Center reported a tree down on Ridgecut Road.

Thunderstorm Wind, Colleton

When
August 14, 6:00 PM EST to 6:01 PM EST
Where
Colleton County, 3.64 mi SSE of Ruffin
Measured
40 kt (46 mph) estimated gust
Property damage
$750
Reported by
Emergency Manager
Coordinates
32.950, -80.780

A Colleton County emergency manager reported a small tree down due to thunderstorm outflow near the intersection of Bells Highway and Tabor Road.

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.

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

The same day elsewhere

More

Every storm in South Carolina in 2020Every state in 2020This day in weather historyWarnings in South Carolina, August 2020

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 2026-09-30. Each event’s entry at NCEI: 917658, 917676, 917659, 917660, 917661, 917668, 917671, 917675.