Alert archive / Georgia / Mesoscale Discussions in 2004

Mesoscale Discussion 2530

December 10, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Dec 10, 2004, 1:11 AM CST for 4 states. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
Dec 10, 2004, 1:11 AM CST (07:11 UTC)
Expired
Dec 10, 2004, 2:15 AM CST
In force
64 min
Issued by
the Storm Prediction Center
All 170 counties

Jackson County, FL, Baker County, GA, Baldwin County, GA, Barrow County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Burke County, GA, Butts County, GA, Calhoun County, GA, Camden County, GA, Carroll County, GA, Charlton County, GA, Chatham County, GA, Chattahoochee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Clinch County, GA, Cobb County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Coweta County, GA, Crisp County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Glynn County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Harris County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Macon County, GA, Madison County, GA, Marion County, GA, McDuffie County, GA, McIntosh County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pierce County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Randolph County, GA, Richmond County, GA, Rockdale County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Upson County, GA, Walton County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Worth County, GA, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Edgecombe County, NC, Greene County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Abbeville County, SC, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Greenwood County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lancaster 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 Charleston,SC radar (KCLX), 42 km from the middle of the area, began a volume at 07:14 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 7.2 hours before the alert went out and 102 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 00:00Z on 2004-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 555 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 00:00Z on 2004-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.1939587897Sfc1 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
555 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 9:48 PM CSTMesoscale DiscussionSPCGadsden, Jackson87 min
Dec 9, 10:25 PM CSTTornado WatchSPCJackson4 hr
Dec 10, 5:41 AM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 9 more3 hr
Dec 9, 6:15 PM CSTMesoscale DiscussionSPCBaldwin, Barrow, Bibb, Burke, Butts, Carroll and 44 more90 min
Dec 9, 8:05 PM CSTTornado WatchSPCBaldwin, Barrow, Bibb, Burke, Butts, Carroll and 51 more6 hr
Dec 9, 11:07 PM CSTMesoscale DiscussionSPCBaldwin, Barrow, Bibb, Burke, Butts, Carroll and 52 more83 min
Dec 10, 1:35 AM CSTTornado WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 44 more6 hr
Dec 10, 5:00 AM CSTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 44 more2 hr
Dec 10, 10:12 AM CSTMesoscale DiscussionSPCBanks, Bartow, Catoosa, Chattooga, Cherokee, Dade and 19 more33 min
Dec 10, 11:53 AM CSTMesoscale DiscussionSPCCatoosa, Chattooga, Dade, Fannin, Gilmer, Gordon and 3 more2 hr
Dec 10, 2:20 AM CSTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 33 more7 hr
Dec 10, 5:18 AM CSTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Chowan, Craven, Cumberland and 31 more117 min

Nearby

Mesoscale Discussions in Georgia, 2004Mesoscale Discussions in South Carolina, 2004Mesoscale Discussions in North Carolina, 2004Every mesoscale discussion 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; radar from the NEXRAD Level II archive.