Alert archive / South Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 2187
The Storm Prediction Center issued this mesoscale discussion at Sep 8, 2004, 3:38 AM EDT for 7 counties in Georgia; 37 counties in North Carolina; 40 counties in South Carolina. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2004, 3:38 AM EDT (07:38 UTC)
- Expired
- Sep 8, 2004, 6:45 AM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 84 counties
Bulloch County, GA, Burke County, GA, Candler County, GA, Effingham County, GA, Jenkins County, GA, Richmond County, GA, Screven County, GA, Alexander County, NC, Anson County, NC, Avery County, NC, Bladen County, NC, Brunswick County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Columbus County, NC, Cumberland County, NC, Davidson County, NC, Gaston County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Lee County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Montgomery County, NC, Moore County, NC, Polk County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Rutherford County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Wayne 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, 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, 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, Newberry County, SC, Orangeburg 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 Wilmington radar (KLTX), 124 km from the middle of the area, began a volume at 07:40 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, 7.6 hours before the alert went out and 77 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.
- Mixed-layer CAPE
- 2876 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 10:09 PM EDT | Mesoscale Discussion | SPC | Bryan, Bulloch, Chatham, Effingham, Evans, Screven | 96 min |
| Sep 8, 12:30 AM EDT | Tornado Watch | SPC | Bulloch, Burke, Candler, Effingham, Jenkins, Richmond and 1 more | 7 hr |
| Sep 8, 6:50 AM EDT | Tornado Watch | SPC | Alamance, Anson, Bladen, Cabarrus, Caswell, Chatham and 42 more | 7 hr |
| Sep 8, 8:41 AM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Bladen, Cabarrus, Caswell, Chatham and 44 more | 2 hr |
| Sep 8, 12:00 PM EDT | Mesoscale Discussion | SPC | Alamance, Bladen, Caswell, Chatham, Cumberland, Duplin and 24 more | 2 hr |
| Sep 8, 12:50 PM EDT | Tornado Watch | SPC | Alamance, Caswell, Chatham, Cumberland, Duplin, Durham and 30 more | 6 hr |
| Sep 8, 3:39 PM EDT | Mesoscale Discussion | SPC | Bertie, Edgecombe, Franklin, Gates, Greene, Halifax and 8 more | 2 hr |
Nearby
Mesoscale Discussions in South Carolina, 2004Mesoscale Discussions in North Carolina, 2004Mesoscale Discussions in Georgia, 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.