Alert archive / South Carolina / Mesoscale Discussions in 2014

Mesoscale Discussion 895

June 8, 201423 counties in Georgia; 27 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2014, 12:45 PM EDT for 23 counties in Georgia; 27 counties in South Carolina. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jun 8, 2014, 12:45 PM EDT (16:45 UTC)
Expired: Jun 8, 2014, 3:15 PM EDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 50 counties

Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Columbia County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Hart County, GA, Jefferson County, GA, Jenkins County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, McDuffie County, GA, McIntosh County, GA, Richmond County, GA, Screven County, GA, Tattnall County, GA, Wayne County, GA, Wilkes County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Calhoun County, SC, Chester County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC

The radar

The Charleston,SC radar (KCLX), 71 km from the middle of the area, began a volume at 16:47 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

Charleston AFB, SC (KCHS), launched 12:00Z, 4.8 hours before the alert went out and 139 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: 271 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 808 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jun 8, 2:11 PM EDT	Mesoscale Discussion	SPC	Baker, Brooks, Calhoun, Clay, Colquitt, Cook and 11 more	3 hr
Jun 8, 2:49 PM EDT	Severe Thunderstorm Watch	SPC	Baker, Brooks, Calhoun, Clay, Colquitt, Decatur and 12 more	7 hr
Jun 8, 4:23 PM EDT	Mesoscale Discussion	SPC	Atkinson, Bacon, Baker, Ben Hill, Berrien, Brantley and 30 more	97 min

Nearby

Mesoscale Discussions in South Carolina, 2014 Mesoscale Discussions in Georgia, 2014 Every mesoscale discussion in 2014

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.