Alert archive / South Carolina / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 522

June 25, 200413 counties in Georgia; Union County, North Carolina; 27 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2004, 5:35 PM EDT for 13 counties in Georgia; Union County, North Carolina; 27 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jun 25, 2004, 5:35 PM EDT (21:35 UTC)
Expired: Jun 25, 2004, 11:00 PM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 41 counties

Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Richmond County, GA, Screven County, GA, Union County, NC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dorchester County, SC, Fairfield County, SC, Florence County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

Warnings issued inside it

11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 25, 5:44 PM EDT	Severe Thunderstorm Warning	CAE	Richmond	46 min
Jun 25, 5:54 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch	51 min
Jun 25, 5:58 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch	47 min
Jun 25, 5:59 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	46 min
Jun 25, 6:53 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Lexington	37 min
Jun 25, 7:22 PM EDT	Severe Thunderstorm Warning	CAE	Richland	38 min
Jun 25, 8:01 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	59 min
Jun 25, 8:11 PM EDT	Severe Thunderstorm Warning	CAE	Sumter	49 min
Jun 25, 8:11 PM EDT	Severe Thunderstorm Warning	CHS	Dorchester	64 min
Jun 25, 8:22 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	53 min
Jun 25, 8:58 PM EDT	Severe Thunderstorm Warning	ILM	Williamsburg	62 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.6 hours before the alert went out and 117 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: 139 J/kg
Mixed-layer CIN: -151 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 4:43 PM EDT	Mesoscale Discussion	SPC	Burke, Columbia, Richmond	2 hr
Jun 25, 7:14 PM EDT	Mesoscale Discussion	SPC	Bryan, Chatham, Effingham, Liberty, McIntosh	61 min
Jun 25, 12:34 PM EDT	Mesoscale Discussion	SPC	Bertie, Camden, Chowan, Currituck, Gates, Halifax and 5 more	116 min

Nearby

Severe Thunderstorm Watches in South Carolina, 2004 Severe Thunderstorm Watches in Georgia, 2004 Severe Thunderstorm Watches in North Carolina, 2004 Every severe thunderstorm watch in 2004

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.