Alert archive / South Carolina / Tornado Warnings in 2024

Tornado Warning 13, NWS Columbia, SC

September 26, 2024Clarendon County, Lee County, Sumter County, South Carolina

NWS Columbia, SC issued this tornado warning at Sep 26, 2024, 1:35 PM EDT for Clarendon County, Lee County, Sumter County, South Carolina. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 26, 2024, 1:35 PM EDT (17:35 UTC)
Expired
Sep 26, 2024, 2:00 PM EDT
In force
25 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Clarendon County, SC, Lee County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 95 km from the middle of the area, began a volume at 17:39 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 26, 8:32 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 119 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 2024-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 222 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 2024-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.193958Sfc1 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
222 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

195 
WFUS52 KCAE 261735
TORCAE
SCC027-061-085-261800-
/O.NEW.KCAE.TO.W.0013.240926T1735Z-240926T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
135 PM EDT Thu Sep 26 2024

The National Weather Service in Columbia has issued a

* Tornado Warning for...
  Southeastern Lee County in central South Carolina...
  Northeastern Clarendon County in central South Carolina...
  East central Sumter County in central South Carolina...

* Until 200 PM EDT.

* At 135 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Woods Bay State Park, or 14 miles
  east of South Sumter, moving north at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southeastern Lee, northeastern Clarendon and east central Sumter
  Counties, including the following locations... Mayesville,
  Lynchburg, Turbeville, Shiloh, St. Charles, and Gable.

This includes Interstate 95 between mile markers 126 and 146.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! If you are outdoors, in a mobile home, or in a
vehicle, move to an interior room or closet on the lowest floor of a
sturdy building immediately.

Tornadoes from tropical storms or hurricanes can form and move very
quickly. Do not wait to see or hear the tornado. Immediately move to
an interior room on the lowest floor of a sturdy building.

&&

LAT...LON 3376 8000 3377 8017 3412 8030 3414 8014
      3409 8008 3408 8003 3403 7998
TIME...MOT...LOC 1735Z 172DEG 20KT 3389 8009 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

AWP
1 follow-up statement
121 
WWUS52 KCAE 261756
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
156 PM EDT Thu Sep 26 2024

SCC027-061-085-261806-
/O.EXP.KCAE.TO.W.0013.000000T0000Z-240926T1800Z/
Lee SC-Clarendon SC-Sumter SC-
156 PM EDT Thu Sep 26 2024

...THE TORNADO WARNING FOR SOUTHEASTERN LEE...NORTHEASTERN CLARENDON
AND EAST CENTRAL SUMTER COUNTIES WILL EXPIRE AT 200 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM EDT for central South
Carolina.

LAT...LON 3376 8000 3377 8017 3412 8030 3414 8014
      3409 8008 3408 8003 3403 7998
TIME...MOT...LOC 1755Z 172DEG 20KT 3400 8011 

$$

AWP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 7:46 AM EDTTornado WarningCAEEdgefield, McCormick26 min
Sep 26, 8:12 AM EDTAreal Flood AdvisoryCAEAiken, Edgefield, McCormick2 hr
Sep 26, 10:26 AM EDTAreal Flood AdvisoryCAEBamberg, Calhoun, Lexington, Orangeburg, Richland6 hr
Sep 26, 10:28 AM EDTTornado WarningCAEBamberg, Orangeburg32 min
Sep 26, 10:56 AM EDTTornado WarningCAECalhoun, Orangeburg34 min
Sep 26, 11:14 AM EDTFlash Flood WarningCAELexington, Richland2 hr
Sep 26, 11:24 AM EDTRiver Flood WarningCAEFairfield, Kershaw, Lancaster8 days
Sep 26, 11:24 AM EDTRiver Flood WarningCAECalhoun, Lexington, Richland8 days
Sep 26, 11:24 AM EDTRiver Flood WarningCAECalhoun, Richland9 days
Sep 26, 11:24 AM EDTRiver Flood WarningCAENewberry, Union4 days
Sep 26, 11:24 AM EDTRiver Flood WarningCAELexington, Richland6 days
Sep 26, 11:45 AM EDTRiver Flood WarningCAEKershaw7 days
Sep 26, 12:25 PM EDTAreal Flood AdvisoryCAEFairfield, Kershaw, Lancaster, Richland3 hr
Sep 26, 12:58 PM EDTFlash Flood WarningCAEBamberg, Orangeburg3 hr
Sep 26, 12:59 PM EDTTornado WarningCAEBamberg31 min
Sep 26, 1:26 PM EDTTornado WarningCAEBamberg, Orangeburg34 min
Sep 26, 1:30 PM EDTAreal Flood AdvisoryCAEAiken, Edgefield, McCormick2 hr
Sep 26, 2:02 PM EDTFlash Flood WarningCAECalhoun, Kershaw, Lexington, Richland4 hr
Sep 26, 2:27 PM EDTFlash Flood WarningCAEAiken, Edgefield, McCormick5 hr
Sep 26, 2:30 PM EDTAreal Flood AdvisoryCAEEdgefield, McCormick, Saluda2 hr
Sep 26, 2:51 PM EDTRiver Flood WarningCAEEdgefield, McCormick3 days
Sep 26, 4:02 PM EDTFlash Flood WarningCAEEdgefield, McCormick, Saluda3 hr
Sep 26, 6:05 PM EDTAreal Flood WarningCAERichland18 hr
Sep 26, 6:39 PM EDTRiver Flood WarningCAEGreenwood, Newberry, Saluda4 days

Nearby

Tornado Warnings in South Carolina, 2024Every tornado warning in 2024Tornadoes in 2024

Sources

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