Alert archive / Georgia / Mesoscale Discussions in 2007

Mesoscale Discussion 1102

June 11, 200735 counties in Georgia; 13 counties in North Carolina; 25 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2007, 7:49 PM EDT for 35 counties in Georgia; 13 counties in North Carolina; 25 counties in South Carolina. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2007, 7:49 PM EDT (23:49 UTC)
Expired
Jun 11, 2007, 9:15 PM EDT
In force
86 min
Issued by
the Storm Prediction Center
All 73 counties

Baldwin County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Clayton County, GA, DeKalb County, GA, Douglas County, GA, Effingham County, GA, Emanuel County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Henry County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Screven County, GA, Spalding County, GA, Treutlen County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkinson County, GA, Anson County, NC, Cabarrus County, NC, Chatham County, NC, Davidson County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Randolph County, NC, Richmond County, NC, Rowan County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Lancaster County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 36 km from the middle of the area, began a volume at 23:49 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, 11.8 hours before the alert went out and 184 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2007-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 976 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2007-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
976 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

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.

IssuedProductOfficeCountiesLasted
Jun 11, 12:05 PM EDTMesoscale DiscussionSPCBurke, Columbia, Elbert, Franklin, Glascock, Hart and 10 more55 min
Jun 11, 1:31 PM EDTSevere Thunderstorm WatchSPCAppling, Atkinson, Bacon, Baldwin, Banks, Barrow and 89 more10 hr
Jun 11, 2:55 PM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Cherokee and 41 more65 min
Jun 11, 1:56 PM EDTMesoscale DiscussionSPCCaswell, Forsyth, Guilford, Person, Rockingham, Stokes and 2 more64 min

Nearby

Mesoscale Discussions in Georgia, 2007Mesoscale Discussions in South Carolina, 2007Mesoscale Discussions in North Carolina, 2007Every 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.