Alert archive / South Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Columbia, SC

April 19, 20194 counties in South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 19, 2019, 1:52 PM EDT for 4 counties in South Carolina. It was in force for 53 min. 20 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 19, 2019, 1:52 PM EDT (17:52 UTC)
Expired
Apr 19, 2019, 2:45 PM EDT
In force
53 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
70.0 mph

Counties Calhoun County, SC, Clarendon County, SC, Orangeburg County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 93 km from the middle of the area, began a volume at 17:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 19, 1:59 PM EDTTSTM WND GST 602 S Orangeburg, SCPEAK WIND GUST OF 60 MPH AT ORANGEBURG IRPORT.
Apr 19, 1:59 PM EDTTSTM WND GST 602 S Orangeburg, SCPEAK WIND GUST OF 60 MPH AT ORANGEBURG MUNICIPAL AIRPORT.
Apr 19, 2:00 PM EDTTORNADO3 E Wilkinson Heights, SC
Apr 19, 2:01 PM EDTTORNADO3 E Wilkinson Heights, SCCORRECTS PREVIOUS TORNADO REPORT FROM 3 E WILKINSON HEIGHTS. AN EF-1 TORNADO TOUCHED DOWN NEAR THE INTERSECTION OF OLD ELLOREE ROAD AND ODELL DRIVE. THE TORNADO THEN MOVED QUICKLY TO THE NORTH-NORTHEAST FOR NEARLY 8 MILES, CROSSING CLOVERDALE LANE, GRAMLING RO
Apr 19, 2:03 PM EDTTSTM WND DMG2 Wnw Cameron, SCREPORT OF MULTIPLE TREES DOWN CHURCH CAMP ESTIMATED BY RADAR.
Apr 19, 2:03 PM EDTTSTM WND DMG2 Wnw Cameron, SCREPORT OF MULTIPLE TREES DOWN CHURCH CAMP ROAD. TIME ESTIMATED BY RADAR.
Apr 19, 2:05 PM EDTTSTM WND DMG3 Nne Brookdale, SCSCHP REPORTS TREES DOWN ON I26 FROM MILE -165.
Apr 19, 2:05 PM EDTTSTM WND DMG3 Nne Brookdale, SCSCHP REPORTS TREES DOWN ON I26 FROM MILE MARKERS 145-165.
Apr 19, 2:06 PM EDTTSTM WND DMG2 Nne Brookdale, SCSCHP REPORTS TREES DOWN ON CITIDEL ROAD. TED BY RADAR.
Apr 19, 2:06 PM EDTTSTM WND DMG2 Nne Brookdale, SCSCHP REPORTS TREES DOWN ON CITIDEL ROAD. TIME ESTIMATED BY RADAR.
Apr 19, 2:08 PM EDTTSTM WND DMG3 Wsw Cameron, SCTRAINED SPOTTER REPORTS HWY 33 BLOCKED DUE REES 2.5 MILES WEST OF CALHOUN . TIME ESTIMATED BY RADAR.
Apr 19, 2:08 PM EDTTSTM WND DMG3 Wsw Cameron, SCTRAINED SPOTTER REPORTS HWY 33 BLOCKED DUE TO FALLEN TREES 2.5 MILES WEST OF CALHOUN COUNTY LINE. TIME ESTIMATED BY RADAR.
Apr 19, 2:19 PM EDTTSTM WND DMG6 E Eutawville, SCA SURVEY CONDUCTED ON APRIL 23RD FOUND THAT MULTIPLE TREES WERE UPROOTED OR SNAPPED ON RUTLEDGE DRIVE. THE DAMAGE WAS CONSISTENT WITH STRAIGHT LINE WIND DAMAGE. TIME ESTIMATED FROM RADAR.
Apr 19, 2:20 PM EDTTSTM WND DMG4 Ne Vance, SCSPOTTER REPORTED SEVERAL LARGE TREES DOWN AND A ROOF BLOWN OFF OF A SINGLE STORY HOME ON FRANCES MARION BLVD, JUST NORTH OF LAKE MARION. TIME ESTIMATED FROM RADAR.
Apr 19, 2:27 PM EDTTSTM WND DMG9 Ese Summerton, SCBROADCAST MEDIA RELAYED A REPORT FROM THE HOME DESTROYED, AND SEVERAL TURES DAMAGED, ALONG WITH SEVERAL ED, ON PATRIOT RD CLOSE TO LEMON STIMATED.
Apr 19, 2:27 PM EDTTSTM WND DMG9 Ese Summerton, SCBROADCAST MEDIA RELAYED A REPORT FROM THE PUBLIC OF A HOME DESTROYED, AND SEVERAL OTHER STRUCTURES DAMAGED, ALONG WITH SEVERAL TREES SNAPPED, ON PATRIOT RD CLOSE TO LEMON AVE. TIME ESTIMATED.
Apr 19, 2:29 PM EDTTSTM WND DMG9 Ese Summerton, SCCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 9 ESE SUMMERTON. TREES DOWN AND STRUCTURAL DAMAGE TO APPROXIMATELY 41 HOMES TO INCLUDE 2 POSSIBLY DESTROYED IN THE VICINITY OF PATRIOT ROAD, BEAVER DRIVE AND MALIBU DRIVE. TIME ESTIMATED BY RADAR.
Apr 19, 2:29 PM EDTTSTM WND DMG9 Ese Summerton, SCCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 9 ON. TREES DOWN AND STRUCTURAL PPROXIMATELY 41 HOMES TO INCLUDE DESTROYED IN THE VICINITY OF D, BEAVER DRIVE AND MALIBU DRIVE. TED BY RADAR.
Apr 19, 2:29 PM EDTTSTM WND DMG9 Ese Summerton, SCTREES DOWN AND STRUCTURAL DAMAGE REPORTED ON BEAVER DRIVE. TIME ESTIMATED BY RADAR.
Apr 19, 2:29 PM EDTTORNADO9 Se Summerton, SCTHE FIRST POINT OF DAMAGE WAS FOUND AT CAMP BOB COOPER WHERE THERE WERE MULTIPLE TREES DOWN ACROSS THE CAMP. THERE WAS ALSO DAMAGE TO TWO DOCKS AND MINOR ROOF DAMAGE TO ONE OF THE CABINS. THE TORNADO MOVED ACROSS A COVE ON LAKE MARION TO LESESNE DRIVE. THERE W

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 10:44 AM EDTTornado WatchSPC5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.9 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2019-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2019-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
22 J/kg
Mixed-layer CIN
-362 J/kg
Mixed-layer LCL
1073 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

640 
WUUS52 KCAE 191752
SVRCAE
SCC017-027-075-085-191845-
/O.NEW.KCAE.SV.W.0021.190419T1752Z-190419T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
152 PM EDT Fri Apr 19 2019

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Calhoun County in central South Carolina...
  Southwestern Clarendon County in central South Carolina...
  Southwestern Sumter County in central South Carolina...
  Eastern Orangeburg County in central South Carolina...

* Until 245 PM EDT.

* At 151 PM EDT, severe thunderstorms were located along a line
  extending from near Bamberg to near Ruffin, moving northeast at 50
  mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Orangeburg, Brookdale, St. Matthews, Holly Hill, Summerton,
  Elloree, Santee State Park, Claflin College, South Carolina State
  University, Orangeburg County Airport, Edisto Gardens, Santee,
  Cameron, Eutawville, Vance, Poplar Creek Landing, Stumphole
  Landing, Prince of Orange Mall, Eautaw Springs and Edisto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Conditions are favorable for 
tornadoes to form, sometimes with little or no advance warning. Move 
to an interior room or closet on the lowest floor of a sturdy 
building.

For your protection seek shelter inside a sturdy building and stay
away from windows.

&&

LAT...LON 3351 8010 3348 8015 3346 8013 3345 8020
      3344 8020 3345 8022 3330 8025 3326 8032
      3328 8035 3326 8036 3326 8043 3329 8049
      3333 8049 3350 8099 3380 8087
TIME...MOT...LOC 1751Z 214DEG 42KT 3332 8101 3303 8074 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

JAQ
1 follow-up statement
546 
WWUS52 KCAE 191837
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
237 PM EDT Fri Apr 19 2019

SCC017-027-075-085-191847-
/O.EXP.KCAE.SV.W.0021.000000T0000Z-190419T1845Z/
Calhoun SC-Clarendon SC-Sumter SC-Orangeburg SC-
237 PM EDT Fri Apr 19 2019

...THE SEVERE THUNDERSTORM WARNING FOR CALHOUN...SOUTHWESTERN
CLARENDON...SOUTHWESTERN SUMTER AND EASTERN ORANGEBURG COUNTIES WILL
EXPIRE AT 245 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 600 PM EDT for central South
Carolina.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Columbia.

LAT...LON 3351 8010 3348 8015 3346 8013 3345 8020
      3344 8020 3345 8022 3330 8025 3326 8032
      3328 8035 3326 8036 3326 8043 3329 8049
      3333 8049 3350 8099 3380 8087
TIME...MOT...LOC 1837Z 214DEG 42KT 3376 8066 3347 8039 

$$

JAQ

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 12:35 PM EDTSevere Thunderstorm WarningCAEEdgefield, McCormick, Saluda55 min
Apr 19, 12:37 PM EDTTornado WarningCAEEdgefield, McCormick, Saluda23 min
Apr 19, 1:17 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg58 min
Apr 19, 1:29 PM EDTSevere Thunderstorm WarningCAEEdgefield, Newberry, Saluda61 min
Apr 19, 1:54 PM EDTTornado Warning Tornado observedCAEBamberg, Calhoun, Clarendon, Orangeburg, Sumter36 min
Apr 19, 1:55 PM EDTTornado WarningCAEFairfield, Newberry25 min
Apr 19, 2:20 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Kershaw, Lee, Orangeburg, Richland and 1 more40 min
Apr 19, 2:26 PM EDTTornado WarningCAEClarendon, Orangeburg, Sumter34 min
Apr 19, 2:33 PM EDTSevere Thunderstorm WarningCAEChesterfield, Fairfield, Kershaw, Lancaster57 min
Apr 19, 2:36 PM EDTTornado WarningCAEKershaw, Lee, Sumter24 min
Apr 19, 2:48 PM EDTSevere Thunderstorm WarningCAEChesterfield, Clarendon, Kershaw, Lancaster, Lee, Sumter57 min
Apr 19, 2:55 PM EDTTornado WarningCAEClarendon, Lee, Sumter16 min
Apr 19, 2:59 PM EDTSpecial Weather StatementCAEMcCormick46 min
Apr 19, 3:46 PM EDTSpecial Weather StatementCAEEdgefield, Saluda59 min
Apr 19, 4:40 PM EDTSpecial Weather StatementCAEEdgefield, Newberry, Saluda50 min
Apr 19, 5:52 PM EDTSevere Thunderstorm WarningCAEAiken, Edgefield, McCormick36 min
Apr 19, 6:18 PM EDTSpecial Weather StatementCAEAiken, Edgefield27 min
Apr 19, 6:34 PM EDTSpecial Weather StatementCAENewberry, Saluda56 min
Apr 19, 7:40 PM EDTSpecial Weather StatementCAEFairfield, Lexington, Richland20 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.