Alert archive / Georgia / Mesoscale Discussions in 2007

Mesoscale Discussion 1146

June 14, 200722 counties in Georgia; 16 counties in North Carolina; 21 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2007, 1:55 PM EDT for 22 counties in Georgia; 16 counties in North Carolina; 21 counties in South Carolina. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued: Jun 14, 2007, 1:55 PM EDT (17:55 UTC)
Expired: Jun 14, 2007, 3:00 PM EDT
In force: 65 min
Issued by: the Storm Prediction Center

All 59 counties

Banks County, GA, Barrow County, GA, Clarke County, GA, Dawson County, GA, Elbert County, GA, Fannin County, GA, Forsyth County, GA, Franklin County, GA, Gilmer County, GA, Habersham County, GA, Hall County, GA, Hart County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Oglethorpe County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, White County, GA, Anson County, NC, Cabarrus County, NC, Clay County, NC, Cleveland County, NC, Gaston County, NC, Henderson County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Mecklenburg County, NC, Polk County, NC, Richmond County, NC, Rutherford County, NC, Stanly County, NC, Transylvania County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 6 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 253 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: 63 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 48 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 13, 8:04 PM EDT	Mesoscale Discussion	SPC	Baldwin, Banks, Barrow, Burke, Clarke, Columbia and 24 more	86 min
Jun 14, 12:24 PM EDT	Mesoscale Discussion	SPC	Cherokee, Graham, Haywood, Macon, Madison, Swain	2 hr
Jun 14, 4:11 PM EDT	Mesoscale Discussion	SPC	Cherokee, Graham, Swain	64 min

Nearby

Mesoscale Discussions in Georgia, 2007 Mesoscale Discussions in South Carolina, 2007 Mesoscale Discussions in North Carolina, 2007 Every mesoscale discussion in 2007

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.