Alert archive / North Carolina / Mesoscale Discussions in 2004

Mesoscale Discussion 1893

August 5, 200414 counties in Georgia; 49 counties in North Carolina; 32 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Aug 5, 2004, 3:32 PM EDT for 14 counties in Georgia; 49 counties in North Carolina; 32 counties in South Carolina. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
Aug 5, 2004, 3:32 PM EDT (19:32 UTC)
Expired
Aug 5, 2004, 5:00 PM EDT
In force
88 min
Issued by
the Storm Prediction Center
All 95 counties

Burke County, GA, Columbia County, GA, Elbert County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Oglethorpe County, GA, Richmond County, GA, Taliaferro County, GA, Warren County, GA, Wilkes County, GA, Anson County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Cabarrus County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Tyrrell County, NC, Union County, NC, Wake County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenville County, SC, Greenwood 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, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC

The radar

The Raleigh/Durham radar (KRAX), 146 km from the middle of the area, began a volume at 19:34 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.5 hours before the alert went out and 121 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, Greensboro/Hi Pt, NC at 12:00Z on 2004-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 275 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, Greensboro/Hi Pt, NC at 12:00Z on 2004-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
275 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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
Aug 5, 12:35 PM EDTSevere Thunderstorm WatchSPCColumbia, Elbert, Hancock, Hart, Lincoln, McDuffie and 4 more7 hr
Aug 5, 3:11 PM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Chattooga and 32 more94 min
Aug 5, 5:44 PM EDTMesoscale DiscussionSPCColumbia, Glascock, Lincoln, McDuffie, Richmond, Warren91 min
Aug 5, 10:59 AM EDTMesoscale DiscussionSPCAlamance, Anson, Beaufort, Bertie, Bladen, Cabarrus and 52 more2 hr

Nearby

Mesoscale Discussions in North Carolina, 2004Mesoscale Discussions in South 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.