Alert archive / South Carolina / Tornado Warnings in 2020

Tornado Warning 11, NWS Columbia, SC

April 13, 20206 counties in South Carolina

NWS Columbia, SC issued this tornado warning at Apr 13, 2020, 5:56 AM EDT for 6 counties in South Carolina. It was in force for 34 min. 4 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 13, 2020, 5:56 AM EDT (09:56 UTC)
Expired
Apr 13, 2020, 6:30 AM EDT
In force
34 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
0.75 in

Counties Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Lexington County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 45 km from the middle of the area, began a volume at 10:01 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 13, 6:00 AM EDTTORNADO2 W Livingston, SC*** 2 FATAL, 7 INJ *** A LONG TRACK TORNADO PRODUCED EF3 DAMAGE WITH WINDS OF 140 MPH ON PRESERVER ROAD NEAR LIVINGSTON, SC WHERE A DOUBLE WIDE HOME WAS DESTROYED. THERE ARE AT LEAST 2 FATALITIES AND 7 INJURIES IN ORANGEBURG COUNTY ASSOCIATED WITH THIS TORNADO
Apr 13, 6:03 AM EDTTSTM WND DMG1 Nnw Livingston, SCSCDOT REPORTS TREES DOWN ON PEACH STREET NEAR LIVINGSTON, SC. PHOTOS SHARED VIA SOCIAL MEDIA. POSSIBLE TORNADO DAMAGE.
Apr 13, 6:05 AM EDTTSTM WND DMG2 Ne Livingston, SC*** 1 INJ *** UPDATES PREVIOUS TSTM WND DMG REPORT FROM 2 NE LIVINGSTON. ONE SEVERE INJURY REPORTED ASSOCIATED WITH MOBILE HOME DAMAGE ON SHARPE ROAD. SCDOT REPORTS NUMEROUS TREES DOWN ON DRAGSTRIP ROAD AND SHARPE ROAD. PHOTOS SHARED VIA SOCIAL MEDIA. POSSIBLE
Apr 13, 6:05 AM EDTTSTM WND DMG2 Ne Livingston, SCSCDOT REPORTS NUMEROUS TREES DOWN ON DRAGSTRIP ROAD AND SHARPE ROAD. PHOTOS SHARED VIA SOCIAL MEDIA. POSSIBLE TORNADO DAMAGE.

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 13, 3:20 AM EDTTornado WatchSPC8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 9.9 hours before the alert went out and 127 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 00:00Z on 2020-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2020-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
494 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

341 
WFUS52 KCAE 130956
TORCAE
SCC003-009-011-017-063-075-131030-
/O.NEW.KCAE.TO.W.0011.200413T0956Z-200413T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
556 AM EDT Mon Apr 13 2020

The National Weather Service in Columbia has issued a

* Tornado Warning for...
  West central Calhoun County in central South Carolina...
  Northeastern Barnwell County in central South Carolina...
  Southeastern Lexington County in central South Carolina...
  Northwestern Bamberg County in central South Carolina...
  East central Aiken County in central South Carolina...
  Northwestern Orangeburg County in central South Carolina...

* Until 630 AM EDT.
    
* At 555 AM EDT, a confirmed large and extremely dangerous tornado
  was located 10 miles north of Blackville, or 14 miles northwest of 
  Denmark, moving northeast at 50 mph. Multiple tornadoes possible. 
  This storm has a history of tornadoes.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* This tornadic thunderstorm will remain over mainly rural areas of
  west central Calhoun, northeastern Barnwell, southeastern
  Lexington, northwestern Bamberg, east central Aiken and
  northwestern Orangeburg Counties, including the following
  locations... Norway, Springfield, Livingston, Salley, North, Neeses
  and Woodford.

This includes Interstate 26 between mile markers 134 and 145.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are nearly impossible to see at night. Do not wait to see
or hear the tornado. Immediately move to an interior room or closet
on the lowest floor of a sturdy building.

&&

LAT...LON 3337 8126 3352 8138 3366 8117 3374 8098
      3361 8072
TIME...MOT...LOC 0955Z 238DEG 43KT 3351 8125 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

HC
1 follow-up statement
689 
WWUS52 KCAE 131017
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
617 AM EDT Mon Apr 13 2020

SCC003-009-011-063-131026-
/O.CAN.KCAE.TO.W.0011.000000T0000Z-200413T1030Z/
Barnwell SC-Lexington SC-Bamberg SC-Aiken SC-
617 AM EDT Mon Apr 13 2020

...THE TORNADO WARNING FOR NORTHEASTERN BARNWELL...SOUTHEASTERN
LEXINGTON...NORTHWESTERN BAMBERG AND EAST CENTRAL AIKEN COUNTIES IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 AM EDT for central South
Carolina.

LAT...LON 3370 8106 3374 8098 3361 8072 3349 8100
TIME...MOT...LOC 1016Z 252DEG 48KT 3362 8092 

$$

SCC017-075-131030-
/O.CON.KCAE.TO.W.0011.000000T0000Z-200413T1030Z/
Calhoun SC-Orangeburg SC-
617 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR WEST
CENTRAL CALHOUN AND NORTH CENTRAL ORANGEBURG COUNTIES...
        
At 616 AM EDT, a confirmed large and extremely dangerous tornado was
located 8 miles northwest of Brookdale, moving east at 55 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
west central Calhoun and north central Orangeburg Counties.

This includes Interstate 26 between mile markers 134 and 145.
 
LAT...LON 3370 8106 3374 8098 3361 8072 3349 8100
TIME...MOT...LOC 1016Z 252DEG 48KT 3362 8092 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

HC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 4:23 AM EDTTornado WarningCAEEdgefield, McCormick37 min
Apr 13, 4:29 AM EDTSevere Thunderstorm WarningCAEEdgefield, McCormick, Newberry, Saluda46 min
Apr 13, 4:41 AM EDTSevere Thunderstorm WarningCAEFairfield, Newberry, Saluda49 min
Apr 13, 4:58 AM EDTSevere Thunderstorm WarningCAEAiken, Barnwell47 min
Apr 13, 5:06 AM EDTSevere Thunderstorm WarningCAEAiken, Edgefield, Lexington, Newberry, Saluda39 min
Apr 13, 5:14 AM EDTTornado WarningCAEAiken, Barnwell31 min
Apr 13, 5:16 AM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Lancaster29 min
Apr 13, 5:34 AM EDTSevere Thunderstorm WarningCAEAiken, Calhoun, Fairfield, Lexington, Newberry, Richland41 min
Apr 13, 5:37 AM EDTTornado Warning Tornado observedConsiderable damage threatCAEAiken, Bamberg, Barnwell, Orangeburg23 min
Apr 13, 5:43 AM EDTTornado WarningCAEBamberg, Barnwell, Orangeburg32 min
Apr 13, 5:55 AM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Lancaster35 min
Apr 13, 6:02 AM EDTSevere Thunderstorm WarningCAEAiken, Lexington, Orangeburg28 min
Apr 13, 6:04 AM EDTSevere Thunderstorm WarningCAECalhoun, Fairfield, Kershaw, Lexington, Richland, Sumter41 min
Apr 13, 6:09 AM EDTTornado WarningCAEBamberg, Barnwell, Orangeburg36 min
Apr 13, 6:13 AM EDTTornado WarningCAEBamberg, Calhoun, Orangeburg32 min
Apr 13, 6:22 AM EDTTornado Warning Tornado observedConsiderable damage threatCAECalhoun, Clarendon, Orangeburg, Richland, Sumter23 min
Apr 13, 6:23 AM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lancaster52 min
Apr 13, 6:35 AM EDTSevere Thunderstorm WarningCAEBamberg, Calhoun, Clarendon, Orangeburg, Sumter40 min
Apr 13, 6:39 AM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Kershaw, Lee, Richland, Sumter31 min
Apr 13, 6:46 AM EDTSevere Thunderstorm WarningCAEChesterfield29 min
Apr 13, 6:58 AM EDTSevere Thunderstorm WarningCAEClarendon, Lee, Sumter32 min

Nearby

Tornado Warnings in South Carolina, 2020Every tornado warning in 2020Tornadoes in 2020

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.