Alert archive / South Carolina / Tornado Warnings in 2022

Tornado Warning 18, NWS Columbia, SC

November 11, 2022Richland County, Sumter County, South Carolina

NWS Columbia, SC issued this tornado warning at Nov 11, 2022, 1:32 AM EST for Richland County, Sumter County, South Carolina. It was in force for 28 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
Nov 11, 2022, 1:32 AM EST (06:32 UTC)
Expired
Nov 11, 2022, 2:00 AM EST
In force
28 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Richland County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 49 km from the middle of the area, began a volume at 06:36 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
Nov 11, 12:42 AM ESTTornado WatchSPC8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 6.5 hours before the alert went out and 136 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 2022-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 479 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 00:00Z on 2022-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 331 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
479 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
331 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted.

187 
WFUS52 KCAE 110632
TORCAE
SCC079-085-110700-
/O.NEW.KCAE.TO.W.0018.221111T0632Z-221111T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
132 AM EST Fri Nov 11 2022

The National Weather Service in Columbia has issued a

* Tornado Warning for...
  Northwestern Sumter County in central South Carolina...
  East central Richland County in central South Carolina...

* Until 200 AM EST.
    
* At 132 AM EST, a severe thunderstorm capable of producing a tornado
  was located near Millwood, or near Shaw Air Base, moving northwest
  at 35 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 dangerous storm will be near...
  Shaw Air Base and Oakland around 140 AM EST.

Other locations impacted by this tornadic thunderstorm include
Wedgewood, Cane Savannah, Dalzell, Dinkins Mill, Cherryvale, Wateree
River Correctional Institution, Rembert, Stateburg, Lakewood and
Privateer.

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.

&&

LAT...LON 3386 8035 3381 8050 3406 8076 3408 8073
      3407 8072 3408 8071 3408 8066 3411 8062
      3410 8058 3415 8051
TIME...MOT...LOC 0632Z 150DEG 32KT 3389 8047 

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

$$

MG
2 follow-up statements
529 
WWUS52 KCAE 110640
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
140 AM EST Fri Nov 11 2022

SCC079-085-110700-
/O.CON.KCAE.TO.W.0018.000000T0000Z-221111T0700Z/
Sumter SC-Richland SC-
140 AM EST Fri Nov 11 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EST FOR
NORTHWESTERN SUMTER AND EAST CENTRAL RICHLAND COUNTIES...
    
At 140 AM EST, a severe thunderstorm capable of producing a tornado
was located over Shaw Air Base, moving northwest at 35 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
northwestern Sumter and east central Richland Counties, including the
following locations... Dalzell, Dinkins Mill, Cherryvale, Wateree
River Correctional Institution, Rembert, Stateburg and Wedgewood.

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.

&&

LAT...LON 3393 8039 3387 8056 3406 8076 3408 8073
      3407 8072 3408 8071 3408 8066 3411 8062
      3410 8058 3415 8051
TIME...MOT...LOC 0640Z 150DEG 32KT 3395 8051 

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

$$

MG
347 
WWUS52 KCAE 110655
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
155 AM EST Fri Nov 11 2022

SCC079-085-110704-
/O.EXP.KCAE.TO.W.0018.000000T0000Z-221111T0700Z/
Sumter SC-Richland SC-
155 AM EST Fri Nov 11 2022

...THE TORNADO WARNING FOR NORTHWESTERN SUMTER AND EAST CENTRAL
RICHLAND COUNTIES WILL EXPIRE AT 200 AM EST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 700 AM EST for central South
Carolina.

LAT...LON 3393 8039 3387 8056 3406 8076 3408 8073
      3407 8072 3408 8071 3408 8066 3411 8062
      3410 8058 3415 8051
TIME...MOT...LOC 0654Z 150DEG 32KT 3405 8058 

$$

MG

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 3:22 AM ESTTornado WarningCAECalhoun, Lexington, Orangeburg, Richland29 min

Nearby

Tornado Warnings in South Carolina, 2022Every tornado warning in 2022Tornadoes in 2022

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.