Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 63, NWS Columbia, SC

May 6, 2003Edgefield County, Saluda County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at May 6, 2003, 3:30 PM EDT for Edgefield County, Saluda County, South Carolina. It was in force for 45 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: May 6, 2003, 3:30 PM EDT (19:30 UTC)
Expired: May 6, 2003, 4:15 PM EDT
In force: 45 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

Counties Edgefield County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 63 km from the middle of the area, began a volume at 19:31 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
May 6, 2:40 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.5 hours before the alert went out and 205 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: 870 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

343 
WUUS52 KCAE 061930
SVRCAE
SCC037-081-062015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
329 PM EDT TUE MAY 6 2003

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    SALUDA COUNTY IN CENTRAL SOUTH CAROLINA
    NORTHERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 415 PM EDT.

* AT 326 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES NORTHWEST OF EDGEFIELD..MOVING EAST AT
  35 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
    EDGEFIELD.
    JOHNSTON.
    RIDGE SPRING.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED
WARNING.

THIS STORM WILL PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH AND DIME
SIZE HAIL.

LAT...LON 3412 8187 3390 8219 3372 8181 3387 8158
          3404 8150

MWC/RCC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 1:23 AM EDT	Tornado Warning	CAE	Edgefield	22 min
May 6, 1:32 AM EDT	Tornado Warning	CAE	Saluda	28 min
May 6, 2:01 AM EDT	Flash Flood Warning	CAE	Edgefield, McCormick, Saluda	4 hr
May 6, 2:09 AM EDT	Tornado Warning	CAE	Lexington	36 min
May 6, 2:26 AM EDT	Tornado Warning	CAE	Aiken	49 min
May 6, 2:47 AM EDT	Severe Thunderstorm Warning	CAE	Lexington	43 min
May 6, 2:55 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	50 min
May 6, 3:18 PM EDT	Tornado Warning	CAE	McCormick	27 min
May 6, 3:57 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	48 min
May 6, 4:11 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Lexington	49 min
May 6, 4:14 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield	46 min
May 6, 4:29 PM EDT	Severe Thunderstorm Warning	CAE	Richland	46 min
May 6, 4:33 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	42 min
May 6, 4:59 PM EDT	Severe Thunderstorm Warning	CAE	Lee, Sumter	46 min
May 6, 5:14 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun	46 min
May 6, 5:18 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	27 min

Nearby

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.