Alert archive / South Carolina / Mesoscale Discussions in 2008

Mesoscale Discussion 2006

August 2, 20085 counties in Georgia; 16 counties in North Carolina; 18 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Aug 2, 2008, 11:19 PM EDT for 5 counties in Georgia; 16 counties in North Carolina; 18 counties in South Carolina. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: Aug 2, 2008, 11:19 PM EDT (03:19 UTC)
Expired: Aug 3, 2008, 1:15 AM EDT
In force: 116 min
Issued by: the Storm Prediction Center

All 39 counties

Bulloch County, GA, Burke County, GA, Effingham County, GA, Jenkins County, GA, Screven County, GA, Beaufort County, NC, Brunswick County, NC, Carteret County, NC, Columbus County, NC, Craven County, NC, Dare County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Marion County, SC, Orangeburg County, SC, Richland County, SC, Williamsburg County, SC

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 3.3 hours before the alert went out and 161 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1989 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1166 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 9.5

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.

Issued	Product	Office	Counties	Lasted
Aug 2, 8:27 PM EDT	Mesoscale Discussion	SPC	Baldwin, Bibb, Bleckley, Butts, Calhoun, Carroll and 49 more	2 hr

Nearby

Mesoscale Discussions in South Carolina, 2008 Mesoscale Discussions in North Carolina, 2008 Mesoscale Discussions in Georgia, 2008 Every mesoscale discussion in 2008

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.