Alert archive / North Carolina / Mesoscale Discussions in 2005

Mesoscale Discussion 1382

June 18, 200512 counties in Georgia; 17 counties in North Carolina; 9 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2005, 3:55 PM EDT for 12 counties in Georgia; 17 counties in North Carolina; 9 counties in South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 18, 2005, 3:55 PM EDT (19:55 UTC)
Expired: Jun 18, 2005, 6:00 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 38 counties

Banks County, GA, Clarke County, GA, Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Jackson County, GA, Madison County, GA, Oglethorpe County, GA, Rabun County, GA, Stephens County, GA, White County, GA, Alexander County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Transylvania County, NC, Wilkes County, NC, Yadkin County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Greenville County, SC, Laurens County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, York County, SC

The radar

The Greer radar (KGSP), 48 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 202 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2247 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 51 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 18, 12:25 PM EDT	Mesoscale Discussion	SPC	Appling, Bacon, Brantley, Bryan, Bulloch, Burke and 24 more	2 hr

Nearby

Mesoscale Discussions in North Carolina, 2005 Mesoscale Discussions in Georgia, 2005 Mesoscale Discussions in South Carolina, 2005 Every mesoscale discussion in 2005

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.