Alert archive / South Carolina / Mesoscale Discussions in 2003

Mesoscale Discussion 1114

May 25, 200319 counties in North Carolina; 30 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at May 25, 2003, 12:34 PM EDT for 19 counties in North Carolina; 30 counties in South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 25, 2003, 12:34 PM EDT (16:34 UTC)
Expired: May 25, 2003, 3:00 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 49 counties

Anson County, NC, Bladen County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Wake County, NC, Wayne County, NC, Bamberg 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, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lancaster 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, Sumter County, SC, Williamsburg County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 4.6 hours before the alert went out and 119 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: 1888 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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
May 25, 6:06 PM EDT	Mesoscale Discussion	SPC	Anson, Columbus, Greene, Harnett, Hoke, Johnston and 7 more	114 min

Nearby

Mesoscale Discussions in South Carolina, 2003 Mesoscale Discussions in North Carolina, 2003 Every mesoscale discussion in 2003

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.