Alert archive / South Carolina / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 892

December 4, 200523 counties in Georgia; Robeson County, North Carolina; 26 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Dec 4, 2005, 5:54 PM EST for 23 counties in Georgia; Robeson County, North Carolina; 26 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Dec 4, 2005, 5:54 PM EST (22:54 UTC)
Expired
Dec 4, 2005, 11:19 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 50 counties

Baldwin County, GA, Burke County, GA, Clarke County, GA, Columbia County, GA, Elbert County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Jackson County, GA, Jefferson County, GA, Lincoln County, GA, Madison County, GA, McDuffie County, GA, Morgan County, GA, Oconee County, GA, Oglethorpe County, GA, Putnam County, GA, Richmond County, GA, Taliaferro County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Robeson County, NC, Abbeville County, SC, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenwood County, SC, Kershaw County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 58 km from the middle of the area, began a volume at 22:56 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Dec 4, 6:15 PM ESTSevere Thunderstorm WarningCAESaluda45 min
Dec 4, 6:21 PM ESTSevere Thunderstorm WarningCAEFairfield, Richland39 min
Dec 4, 6:37 PM ESTSevere Thunderstorm WarningGSPGreenwood53 min
Dec 4, 6:50 PM ESTSevere Thunderstorm WarningCAELexington, Newberry25 min
Dec 4, 7:05 PM ESTSevere Thunderstorm WarningCAEEdgefield, McCormick25 min
Dec 4, 7:20 PM ESTSevere Thunderstorm WarningCAESaluda40 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, 10.9 hours before the alert went out and 204 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 2005-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2005-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1426 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 4, 3:00 AM ESTMesoscale DiscussionSPCBartow, Catoosa, Chattooga, Dade, Floyd, Gordon and 6 more90 min
Dec 4, 1:24 PM ESTMesoscale DiscussionSPCBibb, Butts, Carroll, Chattahoochee, Clayton, Cobb and 24 more96 min
Dec 4, 2:18 PM ESTSevere Thunderstorm WatchSPCBarrow, Bibb, Butts, Carroll, Chattahoochee, Clayton and 42 more6 hr
Dec 4, 4:30 PM ESTMesoscale DiscussionSPCBaldwin, Barrow, Bibb, Bleckley, Burke, Butts and 69 more90 min

Nearby

Severe Thunderstorm Watches in South Carolina, 2005Severe Thunderstorm Watches in Georgia, 2005Severe Thunderstorm Watches in North Carolina, 2005Every severe thunderstorm watch in 2005

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.