Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 9, NWS Columbia, SC

February 22, 2003Barnwell County, Calhoun County, Kershaw County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 22, 2003, 11:46 AM EST for Barnwell County, Calhoun County, Kershaw County, South Carolina. It was in force for 44 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
Feb 22, 2003, 11:46 AM EST (16:46 UTC)
Expired
Feb 22, 2003, 12:30 PM EST
In force
44 min
Issued by
NWS Columbia, SC
Area
Counties, with a storm outline in the text

Counties Barnwell County, SC, Calhoun County, SC, Kershaw County, SC

The radar

The Columbia radar (KCAE), 44 km from the middle of the area, began a volume at 16:46 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
Feb 22, 6:50 AM ESTTornado WatchSPC5 hr
Feb 22, 9:45 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 4.8 hours before the alert went out and 158 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 2003-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
392 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

454 
WUUS52 KCAE 221646
SVRCAE
SCC011-017-055-221730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1144 AM EST SAT FEB 22 2003

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    KERSHAW COUNTY IN CENTRAL SOUTH CAROLINA
    NORTHWESTERN CALHOUN COUNTY IN CENTRAL SOUTH CAROLINA
    BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1230 PM EST.

* AT 1134 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS ACROSS CENTRAL SOUTH CAROLINA         
  EXTENDING FROM LANCASTER TO BARNWELL. THIS LINE WAS MOVING EAST AT
  45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF TH ESE STORMS INCLUDE...
    WILLISTON.
    LUGOFF.
    BARNWELL.
    BLACKVILLE.
    CAMDEN.

THIS STORM WILL PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH.

LAT...LON 3461 8041 3441 8034 3410 8058 3413 8079
          3387 8101 3371 8067 3370 8103 3379 8101
          3387 8102 3415 8080 3438 8076 3443 8085
          3454 8075 3448 8066

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 8:48 AM ESTSevere Thunderstorm WarningCAEMcCormick42 min
Feb 22, 9:48 AM ESTSevere Thunderstorm WarningCAENewberry42 min
Feb 22, 10:41 AM ESTSevere Thunderstorm WarningCAEEdgefield, Saluda49 min
Feb 22, 10:51 AM ESTSevere Thunderstorm WarningCAEAiken39 min
Feb 22, 11:03 AM ESTSevere Thunderstorm WarningCAELexington42 min
Feb 22, 11:11 AM ESTSevere Thunderstorm WarningCAEFairfield, Richland49 min
Feb 22, 11:28 AM ESTSevere Thunderstorm WarningCAEOrangeburg47 min
Feb 22, 11:59 AM ESTSevere Thunderstorm WarningCAERichland46 min
Feb 22, 12:14 PM ESTSevere Thunderstorm WarningCAESumter46 min
Feb 22, 12:19 PM ESTSevere Thunderstorm WarningCAEOrangeburg56 min
Feb 22, 12:31 PM ESTSevere Thunderstorm WarningCAEBarnwell44 min
Feb 22, 12:35 PM ESTSevere Thunderstorm WarningCAELee40 min
Feb 22, 1:22 PM ESTSevere Thunderstorm WarningCAECalhoun38 min
Feb 22, 1:39 PM ESTSevere Thunderstorm WarningCAEClarendon51 min
Feb 22, 1:52 PM ESTSevere Thunderstorm WarningCAEClarendon38 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2003Every severe thunderstorm warning in 2003

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.