Alert archive / Georgia / Mesoscale Discussions in 2004

Mesoscale Discussion 2466

November 24, 200446 counties in Georgia; 16 counties in North Carolina; 46 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Nov 24, 2004, 2:13 PM EST for 46 counties in Georgia; 16 counties in North Carolina; 46 counties in South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Nov 24, 2004, 2:13 PM EST (19:13 UTC)
Expired
Nov 24, 2004, 4:15 PM EST
In force
2 hr
Issued by
the Storm Prediction Center
All 108 counties

Baldwin County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Clarke County, GA, Columbia County, GA, Dodge County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Lincoln County, GA, Madison County, GA, McDuffie County, GA, Montgomery County, GA, Oglethorpe County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Screven County, GA, Stephens County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Anson County, NC, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Cumberland County, NC, Duplin County, NC, Harnett County, NC, Hoke County, NC, New Hanover County, NC, Onslow County, NC, Pender County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Union County, NC, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Cherokee 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, Greenville County, SC, Greenwood County, SC, Hampton 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, Oconee County, SC, Orangeburg County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC, York County, SC

The radar

The Columbia radar (KCAE), 108 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.2 hours before the alert went out and 101 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 2004-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 372 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 12:00Z on 2004-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
372 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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
Nov 23, 10:00 PM ESTMesoscale DiscussionSPCDade2 hr
Nov 24, 6:20 AM ESTTornado WatchSPCHeard6 hr
Nov 24, 8:11 AM ESTMesoscale DiscussionSPCBaker, Calhoun, Carroll, Chattahoochee, Clay, Clayton and 38 more64 min
Nov 24, 8:25 AM ESTTornado WatchSPCBarrow, Bartow, Bibb, Butts, Carroll, Chattahoochee and 44 more6 hr
Nov 24, 9:03 AM ESTMesoscale DiscussionSPCBaker, Calhoun, Clay, Colquitt, Decatur, Dougherty and 11 more57 min
Nov 24, 9:30 AM ESTTornado WatchSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 16 more6 hr
Nov 24, 10:23 AM ESTMesoscale DiscussionSPCBaldwin, Barrow, Bartow, Bibb, Bleckley, Bryan and 90 more97 min
Nov 24, 10:40 AM ESTTornado WatchSPCBaldwin, Bleckley, Bryan, Bulloch, Burke, Candler and 40 more6 hr
Nov 24, 12:24 PM ESTMesoscale DiscussionSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 16 more2 hr
Nov 24, 2:50 PM ESTTornado WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 17 more4 hr
Nov 24, 4:30 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 14 more2 hr
Nov 24, 6:36 PM ESTMesoscale DiscussionSPCBrantley, Charlton24 min
Nov 24, 3:25 PM ESTSevere Thunderstorm WatchSPCAlamance, Anson, Bladen, Brunswick, Caswell, Chatham and 29 more6 hr
Nov 24, 4:50 PM ESTMesoscale DiscussionSPCAlamance, Anson, Bladen, Brunswick, Caswell, Chatham and 26 more115 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.