South Carolina, 2020Tornadoes and Damaging Winds in South Carolina, April 13, 2020
April 13, 2020 · NWS CHS · 70 events in 8 counties and zones
A severe quasi-linear convective system (QLCS) moved through southeast South Carolina during the early morning hours of April 13, 2020 ahead of an approaching cold front. The environment ahead of the QLCS was unusually unstable for this time of day and year, with gulf moisture spreading upper 60 F to near 70 F dewpoints into a warm sector across the Southeast United States and mid level lapse…
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- Deaths
- 6
- Injuries
- 67
- Property damage
- $9,000
- Crop damage
- None recorded
- Events
- 70
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.
A severe quasi-linear convective system (QLCS) moved through southeast South Carolina during the early morning hours of April 13, 2020 ahead of an approaching cold front. The environment ahead of the QLCS was unusually unstable for this time of day and year, with gulf moisture spreading upper 60 F to near 70 F dewpoints into a warm sector across the Southeast United States and mid level lapse rates around 7 C/km helping produce mixed layer convective available potential energy (MLCAPE) as high as 2000 J/kg across Southeast South Carolina. Within the warm sector, very strong vertical shear associated with a 50 knot plus low and mid-level jet, effective bulk shear around 70 knots, effective storm relative helicity in the 400-600 m2/s2 range, and VAD wind profiles displaying large, curved low-level hodographs were supportive of well organized convection and potentially embedded supercell thunderstorms in a QLCS capable of producing a prolonged path of damaging winds and strong long-track tornadoes. As the QLCS swept through Southeast South Carolina, a few supercell thunderstorms became exceptionally strong while partially breaking away from the main line of thunderstorms, producing widespread wind damage and strong long-track tornadoes.
A total of 13 confirmed tornadoes occurred across Southeast South Carolina, including a long track EF-4 tornado in Hampton County that took the lives of 5 people and injured 60 others along an approximately 24 mile path. The EF-4 tornado was the first to have occurred across Southeast South Carolina and the last to have occurred in the entire state of South Carolina since November 17, 1995, almost 25 years prior. This particular tornado was associated with a storm that produced a destructive path of straight-line wind damage and series of long track and intermittent tornadoes for over 150 miles, beginning in Screven County, Georgia, then continuing northeast across Hampton County, Colleton County, Dorchester County, and Berkeley County, South Carolina before leaving the area and eventually shifting offshore along the South Carolina coast. Two other storms were responsible for the remaining tornadoes across the area, most of which occurred from a single storm occurring across Edisto Island, Seabrook Island and Kiawah Island. Outside the EF-4 tornado in Hampton County, straight-line winds near a passing tornado claimed the life of one individual and injured one in Colleton County, while another tornado caused 6 injuries across Berkeley 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 Charleston, SC wrote its last area forecast discussion before the first event at Apr 13, 2:54 AM EST, 2 hours 10 minutes earlier.
Area forecast discussion, Apr 13, 2:54 AM EST, 2 hours 10 minutes before
Area Forecast Discussion
National Weather Service Charleston SC
354 AM EDT Mon Apr 13 2020
.SYNOPSIS...
A cold front will move through today. Low pressure could impact
the area Tuesday night and Wednesday, then high pressure will
return late week. Unsettled weather is possible next weekend.
&&
.NEAR TERM /THROUGH TONIGHT/...
This morning: Obviously, the focus of the forecast is the
impending arrival of a strong line of thunderstorms that has a
history of producing significant severe weather. Reports from
upstream WFO's shows that these storms have produced significant
wind damage and several strong, damaging tornadoes. Regarding
timing, we continue to use the HRRR which has so far done a good
job capturing the forward movement of the convection. With this
in mind, the line of storms should reach our inland-most
counties (Jenkins, Allendale, Screven, Bulloch, Candler, and
Tattnall) around 5-6 am. This would bring the severe threat into
the Savannah area around 7-8 am, and the Charleston area around
8-9 am. Fortunately the line of storms is expected to be off
the coast around 10-11 am, and the threat for severe weather
will end.
The near storm environment that the existing line will be
moving into is extremely impressive. Hi-res models have been
very consistent overnight in showing MLCAPE values surging into
the 1,500-2,000 J/kg range, including some pockets in excess of
2,000 J/kg. The best instability is expected to be aligned
across southeast Georgia northward into Allendale and Hampton
counties across the Savannah River. Regardless, MLCAPE in excess
of 1,000 J/kg is expected across the entire forecast area.
Instability like this is highly anomalous for this time day
(pre-dawn hours), and becomes even more worrisome when
considering the coincident wind fields. Effective deep layer
shear will be on the order of 70 knots with effective storm-
relative helicity in the 400-600 m2/s2 range. Soundings feature
strong veering profiles and large, curved hodographs. The storm
mode is a bit complex, but will generally feature linear
segments with embedded supercells. Strong damaging wind gusts
are expected, and the risk for tornadoes is rather significant
and increasing. This combination of shear and instability will
set the stage for a potentially significant severe weather
event, with the possibility of seeing a few long-tracked
supercells producing strong (EF2 or higher) tornadoes.
After the convection moves off the coast, skies will steadily
clear through the rest of the afternoon. We could see isolated
convection develop along the Georgia coast near the Altamaha,
but nothing significant is expected. Temperatures will warm
nicely into the low to mid 80s. Strong winds will continue this
morning until the thunderstorms pass, and the Wind Advisory
remains in effect for portions of the area through noon. This
afternoon, winds will diminish as the pressure gradient relaxes
and the low level jet shifts east of the area.
Tonight: The primary cold front will reach the coast and then
stall. Showers will form along the frontal zone, but mainly
impact the coastal waters. Some coverage is possible for
portions of coastal southeast Georgia and rain chances are held
in the 20-30 percent range south of I-16. Lows are forecast to
fall into the upper 50s inland, ranging to the low/mid 60s at
the coast.
&&
.SHORT TERM /TUESDAY THROUGH THURSDAY/...
High pressure will briefly build over the area from the
northwest on Tuesday though the continued broad upper trough to
our west will spur the development of coastal low pressure along
the stalled offshore front. A few showers could move into
southern areas on Tuesday, though greater coverage of
precipitation is expected late Tuesday night into Wednesday when
the strongest isentropic ascent will develop. Dry high pressure
will gradually build in Wednesday night and Thursday, pushing
any lingering showers off the coast.
Temperatures on Tuesday will likely be fairly warm in the low
80s due to persistent low-level warm air advection. A northerly
boundary layer flow Wednesday into Thursday will yield high
temps in the upper 60s to low 70s with lows in the 40s/50s.
&&
.LONG TERM /THURSDAY NIGHT THROUGH SUNDAY/...
A series of upper shortwaves could bring occasional showers to
the area late week into the weekend. Temps will be close to
normal.
&&
.AVIATION /08Z MONDAY THROUGH FRIDAY/...
Widespread MVFR ceilings and wind gusts into the 35-40 knot
range will continue through much of the morning. We could see
periodic IFR ceilings, but still think that MVFR will prevail.
The main forecast challenge is timing in the arrival of a very
strong line of thunderstorms. Current thinking is that the line
will impact KSAV around 12z and KCHS around 13z. The line will
bring even stronger wind gusts, so the forecast features up to
45 knots. The line will move through quickly, with a brief shot
of IFR conditions. Things will improve quickly thereafter as
winds steadily subside into the afternoon with clearing skies
and VFR conditions.
Extended Aviation Outlook: Low ceilings likely Tuesday night
and Wednesday, along with brief visibility reductions in
showers, as a coastal low pressure system moves through.
&&
.MARINE...
Today through Tonight: The worst marine conditions will occur
over the next few hours and Gale Warnings continue for all
zones. Improvement is expected this afternoon behind the
departed line of thunderstorms and Small Craft Advisories will
likely be needed to account for lingering high seas and elevated
winds. Mariners should be aware that thunderstorms will impact
the local waters today, and strong wind gusts in excess of 50
knots and waterspouts will be possible this morning. Overnight,
winds will steadily decrease and turn more westerly and then
northerly with time. Seas will diminish, becoming 3-5 feet by
sunrise Tuesday.
Marginal Small Craft Advisory conditions possible over offshore
portions of the waters Wednesday night and Thursday as a
northeast gradient develops behind a departing surface low.
Rip Currents: A High Risk of rip currents continues for today.
&&
.TIDES/COASTAL FLOODING...
High Surf: Strong southerly flow ahead of a cold front will
result in building nearshore seas through this evening. With
seas as high as 9-11 ft within 20 NM of shore, especially across
the SC coast, and breaker heights could exceed 5 ft at times. A
High Surf Advisory has been hoisted for late tonight into
though noon Monday for the Charleston County coast.
&&
.CHS WATCHES/WARNINGS/ADVISORIES...
GA...High Rip Current Risk through this evening for GAZ117-119-139-
141.
Wind Advisory until noon EDT today for GAZ118-119.
SC...High Rip Current Risk through this evening for SCZ048>051.
Wind Advisory until noon EDT today for SCZ044-045-048>052.
High Surf Advisory until noon EDT today for SCZ050.
MARINE...Gale Warning until noon EDT today for AMZ330-352-354.
Gale Warning until 2 PM EDT this afternoon for AMZ350-374.
&&
NEAR TERM...BSH
SHORT TERM...JRL
LONG TERM...JRL
AVIATION...BSH/JRL
MARINE...BSH/JRL
TIDES/COASTAL FLOODING...Hazardous weather outlook, Apr 13, 2:22 AM EST, 2 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Charleston SC
322 AM EDT Mon Apr 13 2020
GAZ087-088-099>101-114>116-137-138-140-SCZ040-042-043-047-140730-
Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans-
Inland Bryan-Long-Inland Liberty-Inland McIntosh-Allendale-Hampton-
Inland Colleton-Inland Jasper-
322 AM EDT Mon Apr 13 2020
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Tornado Watch.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.
GAZ117-139-141-140730-
Coastal Bryan-Coastal Liberty-Coastal McIntosh-
322 AM EDT Mon Apr 13 2020
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...HIGH RISK FOR RIP CURRENTS IN EFFECT THROUGH THIS EVENING...
This Hazardous Weather Outlook is for southeast Georgia.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Tornado Watch.
High Risk for Rip Currents.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.
GAZ119-SCZ048-049-051-140730-
Coastal Chatham-Beaufort-Coastal Colleton-Coastal Jasper-
322 AM EDT Mon Apr 13 2020
...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...HIGH RISK FOR RIP CURRENTS IN EFFECT THROUGH THIS EVENING...
This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Wind Advisory.
Tornado Watch.
High Risk for Rip Currents.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter assistance is not anticipated at this time.
GAZ118-SCZ044-045-052-140730-
Inland Chatham-Dorchester-Inland Berkeley-Tidal Berkeley-
322 AM EDT Mon Apr 13 2020
...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
This Hazardous Weather Outlook is for southeast Georgia and
southeast South Carolina.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Wind Advisory.
Tornado Watch.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter assistance is not anticipated at this time.
AMZ350-374-140730-
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
322 AM EDT Mon Apr 13 2020
...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
This Hazardous Weather Outlook is for Atlantic coastal waters.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
Tornado Watch.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.
AMZ330-352-354-140730-
Charleston Harbor-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
322 AM EDT Mon Apr 13 2020
...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
This Hazardous Weather Outlook is for Atlantic coastal waters.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
Tornado Watch.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.
SCZ050-140730-
Charleston-
322 AM EDT Mon Apr 13 2020
...HIGH SURF ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY...
...TORNADO WATCH 117 IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...HIGH RISK FOR RIP CURRENTS IN EFFECT THROUGH THIS EVENING...
This Hazardous Weather Outlook is for southeast South Carolina.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
High Surf Advisory.
Wind Advisory.
Tornado Watch.
High Risk for Rip Currents.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.
In the hours before
Local storm report, Apr 13, 4:42 AM EST, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
542 AM EDT MON APR 13 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0519 AM TSTM WND DMG 1 E MILLEN 32.80N 81.94W
04/13/2020 JENKINS GA 911 CALL CENTER
TREES WERE REPORTED TO BE BLOCKING THE ROAD AT GA HWY
17 AND NORTH MASONIC STREET. TIME IS ESTIMATED BY RADAR.
&&
EVENT NUMBER CHS2000130Event by event
56 thunderstorm wind, 13 tornado, 1 strong wind. Local standard time, as filed.
Tornado, Allendale
- When
- April 13, 5:04 AM EST to 5:09 AM EST
- Where
- Allendale County, 1.24 mi S of Sycamore to 0.94 mi N of Jennys
- Rating
- EF0
- Path length
- 5.85 mi
- Path width
- 300 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 33.012, -81.217
A National Weather Service Storm Survey Team confirmed an EF-0 tornado with an estimated maximum wind speed of 76 mph in eastern Allendale County. The weak tornado initially touched down near the intersection of Route 321 and Mt. Pleasant Church Road, continuing east-northeast and crossing Bethel Church Road, before dissipating just northeast of the intersection of Route 641 and Rebel Drive. Damage from the tornado primarily consisted of sporadic and discontinuous tree damage along its path.
Tornado, Hampton
- When
- April 13, 5:05 AM EST to 5:06 AM EST
- Where
- Hampton County, 4.83 mi W of Shirley to 3.93 mi W of Shirley
- Rating
- EF1
- Path length
- 0.91 mi
- Path width
- 200 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.666, -81.403
A National Weather Service Storm Survey Team confirmed the continuing path of a tornado, which initially developed in eastern Screven County, Georgia with an EF-1 tornado rating, tracking east across the Savannah River about 10 miles northeast of Newington, Georgia and entering Hampton County. The tornado continued an east path in Hampton County, crossing over marsh and a wooded area before quickly coming to an end before reaching Crab Orchard Road. Snapped and uprooted trees along the path remained consistent with an EF-1 tornado rating.
Tornado, Hampton
- When
- April 13, 5:10 AM EST to 5:37 AM EST
- Where
- Hampton County, 2.55 mi WSW of Estill Muni Arpt to 4.89 mi NE of Fechtig
- Rating
- EF4
- Path length
- 23.73 mi
- Path width
- 1,300 yd
- Deaths
- 5 direct, 0 indirect
- Injuries
- 60 direct, 0 indirect
- Reported by
- NWS Storm Survey
- Coordinates
- 32.705, -81.290
A National Weather Service Storm Survey Team confirmed an EF-4 tornado with an estimated maximum wind speed of 175 mph in central Hampton County.
The tornado began just north of Collie Road, approximately 3 miles west-northwest of Scotia, South Carolina, snapping and uprooting trees and causing damage to the Federal Correctional Institution of Estill along its northeast track. The tornado then continued northeast, crossing over Highway 321 near the intersection with County Road S-25-35 before gaining strength and causing substantial damage. Beyond this point, the unusually long track and wide tornado damaged and destroyed many residences, including mobile and single family homes along its entire path. A few automobiles were also tossed/rolled 50 to 75 yards from their original locations. In addition, the tornado reached a maximum width of about 0.75 mile, causing extensive damage to thousands of trees and numerous power lines. At times, the damage pattern suggested that the tornado may have consisted of multiple vortices, which can occur in stronger tornadoes.
The most significant structural damage occurred just south of Estill, South Carolina and across Nixville, South Carolina, where at least six residences were destroyed. After crossing Highway 321 and continuing a northeast track, the tornado began producing EF-2 to EF-3 damage to residences along Sprayfield Road to Lena Expressway. The tornado then continued northeast where it completely destroyed a mobile home near the intersection of Highway 3 and Highway 601, tragically claiming the lives of 2 adult males. Continuing on a northeast track, the tornado heavily damaged homes near the intersection of Turner Expressway and Brandy Lane, including completely destroying a mobile home that tragically claimed the lives of 2 adult females and 1 adult male. The tornado then reached peak EF-4 intensity along Lento Road where the roof and all exterior/interior walls of a two story home were removed and dispersed across the yard. The tornado then began a weakening trend while tracking further northeast, eventually crossing Highway 278, Yemassee Highway and ending approximately 1 mile beyond the intersection of Old Salkehatchie Highway and Archie Road before the Hampton/Colleton County line.
Overall, the tornado path stretched approximately 24 miles, claiming the lives of 5 individuals in the hardest hit areas just south of Estill, South Carolina and across Nixville, South Carolina. Additionally, 60 people sustained injuries associated with the tornado tracking through this hardest hit area, including a few individuals that were thrown 30 to 50 yards from mobile homes and individuals that were in homes that received EF-3 to EF-4 damage.
Thunderstorm Wind, Jasper
- When
- April 13, 5:36 AM EST to 5:37 AM EST
- Where
- Jasper County, 1.5 mi NNE of Grays
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- 911 Call Center
- Coordinates
- 32.690, -81.010
The Jasper County 911 Call Center reported a tree down on Edison Smith Road.
Thunderstorm Wind, Colleton
- When
- April 13, 5:36 AM EST to 5:37 AM EST
- Where
- Colleton County, 0.9 mi NW of Islandton
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.910, -80.940
A trained spotter reported structural damage, debris, and trees down on power lines near the intersection of Highway 63 and Ashton Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 5:37 AM EST to 5:38 AM EST
- Where
- Dorchester County, 1.87 mi WNW of Reevesville
- Measured
- 45 kt (52 mph) estimated gust
- Property damage
- $2,000
- Reported by
- Emergency Manager
- Coordinates
- 33.210, -80.660
A Dorchester County emergency manager reported power lines down in the 100 block of Bryant Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 5:37 AM EST to 5:38 AM EST
- Where
- Dorchester County, 1.87 mi WNW of Reevesville
- Measured
- 45 kt (52 mph) estimated gust
- Property damage
- $2,000
- Reported by
- Emergency Manager
- Coordinates
- 33.210, -80.660
A Dorchester County emergency manager reported power lines down in the 100 block of Bryant Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 5:37 AM EST to 5:38 AM EST
- Where
- Dorchester County, 1.87 mi WNW of Reevesville
- Measured
- 45 kt (52 mph) estimated gust
- Property damage
- $2,000
- Reported by
- Emergency Manager
- Coordinates
- 33.210, -80.660
A Dorchester County emergency manager reported power lines down in the 100 block of Bryant Road.
Tornado, Colleton
- When
- April 13, 5:39 AM EST to 5:41 AM EST
- Where
- Colleton County, 3.06 mi S of Sniders Xrds to 2.61 mi SSE of Sniders Xrds
- Rating
- EF1
- Path length
- 1.44 mi
- Path width
- 50 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.836, -80.854
A National Weather Service Storm Survey Team confirmed an EF-1 tornado with an estimated maximum wind speed of 90 mph in southwest Colleton County. The tornado formed just west of Route 21 in southwest Colleton County, then traveled northeast before dissipating near Cane Branch Road. The tornado snapped off a couple dozen pine trees and broke off some tree branches along the path.
Tornado, Colleton
- When
- April 13, 5:46 AM EST to 5:50 AM EST
- Where
- Colleton County, 5.79 mi WSW of Walterboro to 3.47 mi WNW of Walterboro
- Rating
- EF1
- Path length
- 3.14 mi
- Path width
- 100 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.877, -80.746
A National Weather Service Storm Survey Team confirmed an EF-1 tornado with an estimated maximum wind speed of 105 mph about 5 miles west-southwest of Walterboro, South Carolina. The tornado formed along Route 63 west of Interstate 95 and traveled northeast, eventually crossing over Ulmer Lake Drive and Beach Road before dissipating near the Ashepoo River and Jones Swamp Creek just west of Interstate 95. The tornado produced extensive tree damage in the vicinity of Beach Road. Hundreds of trees were snapped off or uprooted along the tornado path.
Tornado, Colleton
- When
- April 13, 5:47 AM EST to 6:00 AM EST
- Where
- Colleton County, 4.89 mi WSW of Walterboro to 3.62 mi NNE of Cottageville
- Rating
- EF1
- Path length
- 17.33 mi
- Path width
- 500 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.879, -80.731
A National Weather Service Storm Survey Team confirmed an EF-1 tornado with an estimated maximum wind speed of 110 mph near Walterboro, South Carolina. The tornado formed near Route 63 about 4 miles southwest of Walterboro. This tornado grew in size as it tracked through Walterboro, then continued northeast through the Low Country Regional Airport, before remaining about 1 mile west-northwest of Highway 17, sporadically touching down between Sidneys Road to Red Oak Road. The tornado then dissipated just northeast of Cottageville, South Carolina.
This tornado produced extensive tree damage along the path across northwestern portions of Walterboro with many hundreds of trees snapped off or uprooted. Trees falling on houses or winds associated with the tornado produced mainly minor damage to hundreds of residences and some businesses. Inflow winds into the tornado also produced significant tree and some structural damage across the central and southeastern portions of Walterboro. At the Low Country Regional Airport, winds associated with the tornado or winds flowing into the tornado damaged or destroyed most hangers and nearly two dozen aircraft. The tornado then mainly snapped or uprooted trees while sporadically touching down between the airport to just northeast of Cottageville, South Carolina.
Thunderstorm Wind, Dorchester
- When
- April 13, 5:47 AM EST to 5:48 AM EST
- Where
- Dorchester County, 0.9 mi NW of St George
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.190, -80.580
A Dorchester County emergency manager reported power lines down and a tree blocking the roadway near the intersection of Raysor Street and Sears Street.
Thunderstorm Wind, Colleton
- When
- April 13, 5:51 AM EST to 5:52 AM EST
- Where
- Colleton County, 3.11 mi W of Walterboro
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Law Enforcement
- Coordinates
- 32.905, -80.703
The South Carolina Highway Patrol reported an overturned tractor trailer and numerous trees snapped off and down near mile marker 55 on Interstate 95.
Thunderstorm Wind, Colleton
- When
- April 13, 5:52 AM EST to 5:53 AM EST
- Where
- Colleton County, 1.04 mi W of Walterboro
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.900, -80.668
A trained spotter reported several trees down along Route 17 on the south side of the Walterboro city limits.
Thunderstorm Wind, Colleton
- When
- April 13, 5:54 AM EST to 5:55 AM EST
- Where
- Colleton County, 0.9 mi SW of Walterboro Muni Arpt
- Measured
- 60 kt (69 mph) estimated gust
- Deaths
- 1 direct, 0 indirect
- Injuries
- 1 direct, 0 indirect
- Reported by
- Emergency Manager
- Coordinates
- 32.910, -80.640
The Colleton County Fire Rescue Emergency Management Division reported a tree down on a residence in the 700 block of Barracada Road due to strong inflow winds near a passing tornado. Three people were trapped inside, which included one injured person and one adult female fatality.
Thunderstorm Wind, Colleton
- When
- April 13, 5:54 AM EST to 5:55 AM EST
- Where
- Colleton County, 0.86 mi W of Walterboro
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Public
- Coordinates
- 32.902, -80.665
The public reported trees in back yard snapped off, uprooted or gone. Part of a roof from another residence was in the back yard.
Thunderstorm Wind, Colleton
- When
- April 13, 5:57 AM EST
- Where
- Colleton County, 1.16 mi E of Walterboro Muni Arpt
- Measured
- 70 kt (81 mph) estimated gust
- Reported by
- Public
- Coordinates
- 32.920, -80.610
The public shared photos and videos showing major damage to a shed, minor structural damage to a home, and numerous trees down near the 3000 block of Cottageville Highway.
Strong Wind, Charleston
- When
- April 13, 5:57 AM EST to 5:58 AM EST
- Where
- Charleston forecast zone
- Measured
- 40 kt (46 mph) estimated gust
- Property damage
- $1,000
- Reported by
- Social Media
A picture via social media indicated a tree down in the parking lot.
Thunderstorm Wind, Colleton
- When
- April 13, 6:03 AM EST to 6:04 AM EST
- Where
- Colleton County, 1.8 mi NE of Round O
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- NWS Employee
- Coordinates
- 32.950, -80.510
A NWS employee reported numerous trees snapped off and uprooted on Highway 17A between Round O and Cottageville.
Tornado, Dorchester
- When
- April 13, 6:10 AM EST to 6:14 AM EST
- Where
- Dorchester County, 2.13 mi W of Givhans to 1.29 mi N of Givhans
- Rating
- EF1
- Path length
- 2.29 mi
- Path width
- 150 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 33.021, -80.367
A National Weather Service Survey Team confirmed an EF-1 tornado with an estimated maximum wind speed of 102 mph near Givhans, South Carolina. The tornado began near Route 61, south of Givhans Ferry State Park, and moved northeast, dissipating just northeast of the intersection between Carter Road and Queen Drive. Along the path, the tornado caused sporadic snapped trees and uprooted many trees. A two ton wood crate container was also lifted and overturned at a residence near Carter Road along the end of the tornado path. There was significant straight-line wind damage to trees just south of this path, along and north of Campbell Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:10 AM EST to 6:11 AM EST
- Where
- Dorchester County, 2.32 mi W of Givhans
- Measured
- 91 kt (105 mph) estimated gust
- Reported by
- NWS Storm Survey
- Coordinates
- 33.020, -80.370
A National Weather Service Storm Survey Team determined that straight line winds of around 105 mph snapped and uprooted many trees along and north of Campbell Road. This damage occurred just south of a tornado that touched down near route 61.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:12 AM EST to 6:13 AM EST
- Where
- Dorchester County, 3.48 mi W of Givhans
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.020, -80.390
A Dorchester County emergency manager reported a tree down on a house and vehicle in the 2200 block of Old Beach Road with a resident trapped inside the home. Another tree was also down on another residence in the 2200 block of Old Beech Road and other trees were down and blocking the roadway on Old Beech Road near Shad Lane and Campbell Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:15 AM EST to 6:16 AM EST
- Where
- Dorchester County, 0.58 mi W of Givhans
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.020, -80.340
A Dorchester County emergency manager reported a tree down with power lines and blocking Givhans Road between Carters Road and Highway 61.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:16 AM EST to 6:17 AM EST
- Where
- Dorchester County, 1.38 mi S of Givhans
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Social Media
- Coordinates
- 33.000, -80.330
Information via social media indicated a tree down on a house and a gas station sign damaged.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:17 AM EST to 6:18 AM EST
- Where
- Dorchester County, 3.74 mi WSW of Slandsville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- NWS Employee
- Coordinates
- 32.960, -80.290
A NWS employee reported a large tree down on Highway 17A near Canaan Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:17 AM EST to 6:18 AM EST
- Where
- Dorchester County, 1.5 mi NNE of Givhans
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.040, -80.320
A Dorchester County emergency manager reported trees down and partially blocking the roadway on Givhans Road near Way Hall Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:17 AM EST to 6:18 AM EST
- Where
- Dorchester County, 0.9 mi SE of Ridgeville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.090, -80.310
A Dorchester County emergency manager reported trees down and blocking the roadway on Snipes Lane near the intersection with Givhans Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:18 AM EST to 6:19 AM EST
- Where
- Dorchester County, 0.58 mi E of Ridgeville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.100, -80.310
A Dorchester County emergency manager reported a tree down and blocking the roadway in the 200 block of School Street.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:20 AM EST to 6:21 AM EST
- Where
- Dorchester County, 1.16 mi W of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- County Official
- Coordinates
- 33.050, -80.250
A Dorchester County official reported trees and power lines down behind a residence in the 300 block of Greyback Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:20 AM EST to 6:21 AM EST
- Where
- Dorchester County, 1.74 mi W of Jedburg
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.050, -80.260
A Dorchester County emergency manager reported trees down and damage to a well house, fence, and other property along the 200 block of Winningham Road. Trees were also reported down and blocking Winningham Road near the intersection with Orangeburg Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:20 AM EST to 6:21 AM EST
- Where
- Dorchester County, 1.87 mi WNW of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- County Official
- Coordinates
- 33.060, -80.260
A Dorchester County official reported a large tree down with power lines on Greyback Road in the Jedburg Community.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:21 AM EST to 6:22 AM EST
- Where
- Dorchester County, 0.9 mi NW of Summerville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.030, -80.190
A Dorchester County emergency manager reported power lines down on West Richardson Avenue near the intersection with Pidgeon Bay and Parsons Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:21 AM EST to 6:22 AM EST
- Where
- Dorchester County, 0.58 mi W of Jedburg
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 33.050, -80.240
A trained spotter reported trees down and snapped tree tops along with power lines down on Allspice Drive between Cinnamon Road and Greyback Road. Winds were estimated to be 60-70 mph.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:21 AM EST to 6:22 AM EST
- Where
- Dorchester County, 1.16 mi W of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.050, -80.250
A Dorchester County emergency manager reported a tree fell through the roof of a residence and destroyed an upstairs bathroom along the 200 block of Austin Creek Court.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:21 AM EST to 6:22 AM EST
- Where
- Dorchester County, 1.87 mi WNW of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.060, -80.260
A Dorchester County emergency manager reported trees down and blocking Orangeburg Road between Highway 78 and Greyback Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:21 AM EST to 6:22 AM EST
- Where
- Dorchester County, 1.8 mi NW of Jedburg
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Social Media
- Coordinates
- 33.070, -80.250
A social media video indicated numerous trees down and debris along Highway 78 outside the Drakesborough neighborhood.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:22 AM EST to 6:23 AM EST
- Where
- Dorchester County, 2.15 mi SSE of Slandsville
- Measured
- 45 kt (52 mph) estimated gust
- Property damage
- $2,000
- Reported by
- Emergency Manager
- Coordinates
- 32.950, -80.220
A Dorchester County emergency manager reported power lines down in the 300 block of Sprucewood Drive.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:23 AM EST to 6:24 AM EST
- Where
- Dorchester County, 0.69 mi N of Summerville Meml Arp
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.060, -80.220
A Dorchester County emergency manager reported a tree down in the 200 block of Hodge Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:23 AM EST to 6:24 AM EST
- Where
- Dorchester County, 2.15 mi NNW of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 33.080, -80.240
A Dorchester County emergency manager reported trees and power lines down in the 1500 and 1600 block of Dawson Branch Road.
Thunderstorm Wind, Berkeley
- When
- April 13, 6:24 AM EST to 6:25 AM EST
- Where
- Berkeley County, 10.76 mi SSW of Pigeon Bay
- Measured
- 45 kt (52 mph) estimated gust
- Property damage
- $2,000
- Reported by
- Law Enforcement
- Coordinates
- 33.120, -80.280
Law enforcement reported power lines down on Interstate 26 westbound near mile marker 189.
Thunderstorm Wind, Jasper
- When
- April 13, 6:30 AM EST to 6:31 AM EST
- Where
- Jasper County, 0.94 mi SSW of Ridgeland Muni Arpt
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- 911 Call Center
- Coordinates
- 32.487, -81.004
The Jasper County 911 Call Center reported a tree down near the intersection of Great Swamp Road and Lynchs Ford Road.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:30 AM EST to 6:31 AM EST
- Where
- Dorchester County, 1.16 mi W of Jedburg
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 33.050, -80.250
A trained spotter reported a tree and multiple limbs down.
Thunderstorm Wind, Berkeley
- When
- April 13, 6:33 AM EST to 6:34 AM EST
- Where
- Berkeley County, 1.5 mi SSW of Oakley
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 33.100, -80.030
A trained spotter reported a 12 inch diameter tree down along with several significant oak tree branches on Killarney Trail.
Thunderstorm Wind, Jasper
- When
- April 13, 6:35 AM EST to 6:36 AM EST
- Where
- Jasper County, 1.17 mi W of Levy
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- 911 Call Center
- Coordinates
- 32.200, -81.050
The Jasper County 911 Call Center reported a tree down near the intersection of Levy Road and Nelson Court.
Thunderstorm Wind, Berkeley
- When
- April 13, 6:35 AM EST to 6:36 AM EST
- Where
- Berkeley County, 1.87 mi WSW of The Barrows
- Measured
- 70 kt (81 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 33.120, -80.100
A trained spotter reported 35 trees down or severely damaged in Del Webb Subdivision in Cane Bay.
Tornado, Berkeley
- When
- April 13, 6:38 AM EST to 6:48 AM EST
- Where
- Berkeley County, 2.15 mi SE of Moncks Corner to 2.53 mi NNW of Witherbee
- Rating
- EF3
- Path length
- 5.74 mi
- Path width
- 400 yd
- Injuries
- 6 direct, 0 indirect
- Reported by
- NWS Storm Survey
- Coordinates
- 33.182, -79.990
The National Weather Service Storm Survey Team confirmed an EF-3 tornado with an estimated maximum wind speed of 145 mph just east of Moncks Corner, South Carolina. The tornado began in the Fairlawn Subdivision, just east of Moncks Corner. Several homes had significant damage along Old Fort Road and Dennis Boulevard. There was a home at the east end of Dennis Boulevard that had significant damage to justify the EF-3 tornado rating. There was also extensive snapping and uprooting of trees, as well as vehicle and trailer damage in the area. The tornado moved east-southeast, generally down Dennis Boulevard, then east across the west branch of the Cooper River, before turning east-northeast across South Carolina 402 and Cane Gully Road. At this location, a mobile home was completely destroyed and several other homes and structures sustained significant damage. The tornado then continued east-northeast snapping and uprooting trees, with significant damage to at least one home off of Myrtle Lane, and minor roof and siding damage to approximately four additional homes just south of Bullhead Road. The tornado then dissipated near the intersection of Myrtle Lane and Wright Road. This tornado was part of a family of tornadoes that began more than 100 miles to the southwest, in Screven County, Georgia.
Thunderstorm Wind, Dorchester
- When
- April 13, 6:38 AM EST to 6:39 AM EST
- Where
- Dorchester County, 7.76 mi SE of Summerville
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.930, -80.100
A trained spotter reported damage to homes in the Windsor Hill Neighborhood with shingles blown off roofs, siding damage and downed fencing. Several large limbs were also down in the area.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:42 AM EST to 6:43 AM EST
- Where
- Beaufort County, 1.88 mi ESE of Pritchardville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.220, -80.940
An emergency manager reported a tree down near the intersection of New Riverside Road and Old Palmetto Bluff Road.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:42 AM EST to 6:43 AM EST
- Where
- Beaufort County, 3.5 mi N of Bluffton
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.280, -80.880
An emergency manager reported a tree down on power lines.
Thunderstorm Wind, Berkeley
- When
- April 13, 6:42 AM EST to 6:43 AM EST
- Where
- Berkeley County, Oakley
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Fire Department/Rescue
- Coordinates
- 33.120, -80.020
Fire department personnel reported 5 large diameter trees either snapped off or uprooted. Trees were also leaning on power lines across the area.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:44 AM EST to 6:45 AM EST
- Where
- Beaufort County, 1.75 mi W of Burton
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.430, -80.750
An emergency manager reported a tree down on a house.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:47 AM EST to 6:48 AM EST
- Where
- Beaufort County, 0.9 mi NW of Waddell Gardens
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.410, -80.730
A Beaufort County emergency manager reported a tree down on Providence Road.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:48 AM EST to 6:49 AM EST
- Where
- Beaufort County, 1.17 mi E of Waddell Gardens
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.400, -80.700
An emergency manager reported a tree down on Broad River Road.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:48 AM EST to 6:49 AM EST
- Where
- Beaufort County, 0.58 mi W of Beaufort
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Law Enforcement
- Coordinates
- 32.430, -80.690
Law enforcement reported a tree down and blocking Ribaut Road between Hermitage Road and Depot Road.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:48 AM EST to 6:49 AM EST
- Where
- Beaufort County, 1.17 mi E of Waddell Gardens
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.400, -80.700
A Beaufort County emergency manager reported a tree down on a power line near the Spanish Moss Trail access point at Broome Lane.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:50 AM EST to 6:51 AM EST
- Where
- Beaufort County, 0.58 mi E of Beaufort
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.430, -80.670
A trained spotter reported a seven inch diameter tree uprooted, roof shingles blown off a home, three wooden storm shutters torn from anchors and several large tree limbs down near the intersection of Carteret Street and Craven Street.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:50 AM EST to 6:51 AM EST
- Where
- Beaufort County, 1.75 mi E of (Nbc)mcas Beaufort
- Measured
- 55 kt (63 mph) estimated gust
- Reported by
- Broadcast Media
- Coordinates
- 32.470, -80.670
A video provided by the media indicated multiple trees snapped, large branches down, and a small boat flipped over on East Bajala Drive.
Tornado, Berkeley
- When
- April 13, 6:51 AM EST to 6:52 AM EST
- Where
- Berkeley County, 0.54 mi SE of Bethera to 0.81 mi NE of Bethera
- Rating
- EF0
- Path length
- 0.93 mi
- Path width
- 200 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 33.194, -79.794
A National Weather Service Storm Survey Team confirmed an EF-0 tornado with an estimated maximum wind speed of 85 mph near Bethera, South Carolina. The weak tornado began just south of Lem Road, then moved north-northeast across Lem and Bethera roads, before dissipating just northwest of Bethera. The tornado snapped and uprooted multiple trees along the path, and at least one home had a limb blown onto the roof along Witherbee Road.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:53 AM EST to 6:54 AM EST
- Where
- Beaufort County, Wilkins
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.480, -80.600
An emergency manager reported a tree down near the intersection of Coosaw River Drive and Sams Point.
Thunderstorm Wind, Beaufort
- When
- April 13, 6:53 AM EST to 6:54 AM EST
- Where
- Beaufort County, 1.36 mi WNW of Wilkins
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.490, -80.620
A trained spotter reported over 10 trees and large branches down near Park Square off Coosaw Point Boulevard.
Tornado, Berkeley
- When
- April 13, 7:00 AM EST to 7:02 AM EST
- Where
- Berkeley County, 0.41 mi WNW of Palmerville to 1.45 mi NNE of Simmonsville
- Rating
- EF1
- Path length
- 2.5 mi
- Path width
- 400 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 33.253, -79.656
A National Weather Service Storm Survey team confirmed an EF-1 tornado with an estimated maximum wind speed of 108 mph just southwest of Jamestown, South Carolina. The damage survey along with high resolution satellite data indicated the tornado began just south of French Santee Road near Redding Lane. The tornado tracked northeast across French Santee Road near Benjys Trail, dissipating about a mile northeast of the intersection of Guilliard Lake Road and Forest Road 269 in a heavily wooded area. Many trees were snapped and uprooted along the tornado path, with some minor roof damage to one home at the corner of French Santee Road and Benjys Trail.
Tornado, Colleton
- When
- April 13, 7:15 AM EST to 7:16 AM EST
- Where
- Colleton County, 0.84 mi WNW of Edisto Beach to 0.83 mi NNE of Edisto Beach
- Rating
- EF2
- Path length
- 1.16 mi
- Path width
- 140 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.485, -80.343
A National Weather Service Storm Survey Team confirmed an EF-2 tornado with a estimated maximum wind speed of 125 mph on Edisto Island, South Carolina. The tornado likely started as a waterspout off the coast and then moved inland across the southern end of Edisto Beach, before continuing a northeast track across a golf course. The tornado ripped portions or large sections of roofs off six homes. The home most impacted by the tornado was on the beach along the 3300 block of Palmetto Boulevard where glass doors and windows were broken in and large sections of the roof were removed. The wall facing the road of the home was pushed towards the road. As the tornado continued northeast, numerous trees were snapped off and uprooted, power lines were knocked down, a boat and several vehicles were damaged, and a trailer was flipped over. Numerous homes had windows blown out or suffered minor siding or roof damage. The tornado then dissipated in the marsh just northeast of Lybrand Street.
Thunderstorm Wind, Beaufort
- When
- April 13, 7:22 AM EST to 7:23 AM EST
- Where
- Beaufort County, 0.69 mi N of Forest Beach
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 32.160, -80.750
An emergency manager reported a tree down near the intersection of William Parkway and Shipyard Drive.
Tornado, Charleston
- When
- April 13, 7:28 AM EST to 7:29 AM EST
- Where
- Charleston County, 2.48 mi ESE of Wadmalaw Is to 2.8 mi SE of Rockville
- Rating
- EF1
- Path length
- 1.25 mi
- Path width
- 120 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.565, -80.181
A National Weather Service Storm Survey Team confirmed an EF-1 tornado with an estimated maximum wind speed of 105 mph on the southwest side of Seabrook Island, South Carolina. The same storm that produced a tornado at Edisto Beach, produced a second tornado on Seabrook Island, which developed just west of the intersection of Seabrook Island Road and Camp Christopher Lane, then traveled northeast for about 1.25 miles snapping off or uprooting dozens of trees and breaking off numerous large branches. The most significant tree damage occurred on or near a golf course. Additionally, a garage was significantly damaged at a home when a large tree fell on it. Several other homes sustained minor damage due to trees falling near them or large branches falling on them. The tornado then dissipated just northeast of the intersection of Seabrook Island Road and The Lookout Road.
Thunderstorm Wind, Charleston
- When
- April 13, 7:32 AM EST to 7:33 AM EST
- Where
- Charleston County, 4.37 mi E of Rockville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.592, -80.126
A trained spotter reported a tree down on Kiawah Beach Drive.
Thunderstorm Wind, Charleston
- When
- April 13, 7:32 AM EST to 7:33 AM EST
- Where
- Charleston County, 5.24 mi E of Rockville
- Measured
- 60 kt (69 mph) estimated gust
- Reported by
- Social Media
- Coordinates
- 32.600, -80.110
A picture on social media indicated a tin roof partially blown off and in trees.
Tornado, Charleston
- When
- April 13, 7:33 AM EST to 7:34 AM EST
- Where
- Charleston County, 5.05 mi E of Rockville to 5.33 mi E of Rockville
- Rating
- EF1
- Path length
- 0.3 mi
- Path width
- 60 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 32.597, -80.113
A National Weather Service Storm Survey Team confirmed an EF-1 tornado with a estimated maximum wind speed of 105 mph on the southwest side of Kiawah Island. The same storm that produced a tornado at Edisto Beach and Seabrook Island produced a third tornado on Kiawah Island. The tornado developed near the 12th hole of a golf course just east of the intersection between Surfwatch Drive and Palm Warbler Road, traveled east-northeast down the fairway and into a residential neighborhood before dissipating just east of Green Winged Teal Road. Evidence of the tornado was clearly seen on both sides of the fairway, where several large trees were snapped or had damage to large branches.
Thunderstorm Wind, Charleston
- When
- April 13, 7:35 AM EST to 7:36 AM EST
- Where
- Charleston County, 5.82 mi E of Rockville
- Measured
- 78 kt (90 mph) estimated gust
- Reported by
- NWS Storm Survey
- Coordinates
- 32.600, -80.100
A National Weather Service Storm Survey Team determined a downburst of wind snapped off trees and branches as well as uprooted others in and around Night Heron Park and an adjacent apartment complex. A tree also fell into an apartment, breaking out several home windows, producing minor roof damage, and damage to a porch railing.
Thunderstorm Wind, Charleston
- When
- April 13, 7:36 AM EST to 7:37 AM EST
- Where
- Charleston County, 7.02 mi E of Rockville
- Measured
- 65 kt (75 mph) estimated gust
- Reported by
- Public
- Coordinates
- 32.610, -80.080
A member of the public reported several trees down around their property on Airy Hall, including some roof damage caused by falling trees.
Thunderstorm Wind, Charleston
- When
- April 13, 7:51 AM EST to 7:52 AM EST
- Where
- Charleston County, 1.87 mi ENE of Philip
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 32.890, -79.770
A trained spotter reported a tree snapped and down on a car along Classic Court.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- 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.
- Strong Wind
- Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Damaging Winds in South Carolina, April 13, 20201 death · 13 injured · $100 million · EF3 · 18 events
- Tornadoes and Damaging Winds in South Carolina, April 13, 20202 deaths · 7 injured · $40 · EF3 · 31 events
- Tornadoes and Damaging Winds in North Carolina, April 13, 20201 death · 2 injured · $5.2 million · EF2 · 67 events
- Tornadoes and Damaging Winds in South Carolina, April 13, 2020$536,000 · EF2 · 11 events
- Winter Weather in Texas, April 13 to 14, 20201 death · 2 injured · 1 event
- Frost and Freeze in Colorado, April 13 to 14, 2020$30 million · 2 events
- High Wind in New York, April 13, 2020$3.1 million · 59 kt wind · 17 events
- Tornadoes and Damaging Winds in Georgia, April 13, 2020$290,000 · EF1 · 39 events
- Hail and Damaging Winds in Maryland, April 13, 2020$867,000 · 1 in hail · 30 events
- Tornadoes and Damaging Winds in North Carolina, April 13, 2020$428,000 · EF1 · 13 events
- High Wind in Connecticut, April 13, 2020$910,000 · 53 kt wind · 8 events
- Tornado and Damaging Winds in Georgia, April 13, 2020EF2 · 5 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 2026-09-30. Each event’s entry at NCEI: 887489, 887456, 889068, 889320, 889959, 889960, 889961, 889962, 888925, 888926, 888947, 889963, 889964, 889965, 888955, 890605, 889966, 890606, 889967, 888951, 889968, 889969, 889970, 889972, 889973, 889974, 889975, 889976, 889977, 889978, 889979, 889980, 889982, 890226, 890228, 890230, 890231, 890234, 890235, 890238, and more.