Alert archive / South Carolina / Mesoscale Discussions in 2016

Mesoscale Discussion 1120

July 3, 201623 counties in North Carolina; 24 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2016, 1:36 PM EDT for 23 counties in North Carolina; 24 counties in South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 3, 2016, 1:36 PM EDT (17:36 UTC)
Expired: Jul 3, 2016, 4:00 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 47 counties

Anson County, NC, Bladen County, NC, Brunswick County, NC, Carteret County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Gaston County, NC, Hoke County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Mecklenburg County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Union County, NC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Horry 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, Sumter County, SC, Union County, SC, Williamsburg County, SC, York County, SC

The radar

The Wilmington radar (KLTX), 78 km from the middle of the area, began a volume at 17:36 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, 5.6 hours before the alert went out and 193 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: 140 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in South Carolina, 2016 Mesoscale Discussions in North Carolina, 2016 Every mesoscale discussion in 2016

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.