Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 1, NWS Columbia, SC

February 22, 2003Lincoln County, Georgia; McCormick County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 22, 2003, 8:48 AM EST for Lincoln County, Georgia; McCormick County, South Carolina. It was in force for 42 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, 8:48 AM EST (13:48 UTC)
Expired: Feb 22, 2003, 9:30 AM EST
In force: 42 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

Counties Lincoln County, GA, McCormick County, SC

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 13:49 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.

Issued	Product	Office	Lasted
Feb 22, 6:50 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.8 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 335 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 681 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

135 
WUUS52 KCAE 221348
SVRCAE
GAC181-SCC065-221430-

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    LINCOLN COUNTY IN EAST CENTRAL GEORGIA
    MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 930 AM EST.

* AT 837 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 20 MILES NORTHWEST OF MCCORMICK
  TO 28 MILES SOUTHWEST OF LINCOLNTON..MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF TH ESE STORMS INCLUDE...
    LINCOLNTON.
    MCCORMICK.

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

LAT...LON 3416 8253 3349 8293 3370 8218 3437 8177

CAE

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 10:51 AM EST	Severe Thunderstorm Warning	CAE	Burke, Richmond	39 min
Feb 22, 11:32 AM EST	Severe Thunderstorm Warning	CAE	Burke	43 min
Feb 22, 9:48 AM EST	Severe Thunderstorm Warning	CAE	Newberry	42 min
Feb 22, 10:41 AM EST	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	49 min
Feb 22, 11:03 AM EST	Severe Thunderstorm Warning	CAE	Lexington	42 min
Feb 22, 11:11 AM EST	Severe Thunderstorm Warning	CAE	Fairfield, Richland	49 min
Feb 22, 11:28 AM EST	Severe Thunderstorm Warning	CAE	Orangeburg	47 min
Feb 22, 11:46 AM EST	Severe Thunderstorm Warning	CAE	Barnwell, Calhoun, Kershaw	44 min
Feb 22, 11:59 AM EST	Severe Thunderstorm Warning	CAE	Richland	46 min
Feb 22, 12:14 PM EST	Severe Thunderstorm Warning	CAE	Sumter	46 min
Feb 22, 12:19 PM EST	Severe Thunderstorm Warning	CAE	Orangeburg	56 min
Feb 22, 12:31 PM EST	Severe Thunderstorm Warning	CAE	Barnwell	44 min
Feb 22, 12:35 PM EST	Severe Thunderstorm Warning	CAE	Lee	40 min
Feb 22, 1:22 PM EST	Severe Thunderstorm Warning	CAE	Calhoun	38 min
Feb 22, 1:39 PM EST	Severe Thunderstorm Warning	CAE	Clarendon	51 min
Feb 22, 1:52 PM EST	Severe Thunderstorm Warning	CAE	Clarendon	38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2003 Severe Thunderstorm Warnings in South Carolina, 2003 Every 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.