Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 2162

August 26, 200878 counties in Georgia; 18 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2008, 9:37 AM EDT for 78 counties in Georgia; 18 counties in South Carolina. It was in force for 23 min.

The area

The outline as issued.

The facts

Issued
Aug 26, 2008, 9:37 AM EDT (13:37 UTC)
Expired
Aug 26, 2008, 10:00 AM EDT
In force
23 min
Issued by
the Storm Prediction Center
All 96 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Banks County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Clarke County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Elbert County, GA, Emanuel County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Macon County, GA, Madison County, GA, McDuffie County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Schley County, GA, Stephens County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Barnwell County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC

The radar

The Robins AFB radar (KJGX), 56 km from the middle of the area, began a volume at 13:40 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.6 hours before the alert went out and 150 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.19395878Sfc1 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
825 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
1.3
Supercell composite
13.3

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
Aug 26, 12:36 AM EDTMesoscale DiscussionSPCBaker, Baldwin, Barrow, Bibb, Bleckley, Butts and 57 more84 min
Aug 26, 2:36 AM EDTTornado WatchSPCBaker, Bibb, Bleckley, Calhoun, Chattahoochee, Clay and 39 more7 hr
Aug 26, 5:45 AM EDTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Decatur, Dooly and 16 more90 min
Aug 26, 8:16 AM EDTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Bartow, Bibb and 96 more89 min
Aug 26, 10:00 AM EDTTornado WatchSPCBaker, Baldwin, Banks, Barrow, Ben Hill, Berrien and 101 more9 hr
Aug 26, 2:17 PM EDTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Ben Hill, Berrien and 96 more58 min
Aug 26, 4:10 PM EDTMesoscale DiscussionSPCBaker, Baldwin, Barrow, Ben Hill, Berrien, Bibb and 89 more65 min
Aug 26, 6:14 PM EDTMesoscale DiscussionSPCBaldwin, Bleckley, Burke, Clarke, Columbia, Elbert and 29 more61 min
Aug 26, 6:52 PM EDTTornado WatchSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Burke and 53 more12 hr
Aug 26, 11:18 AM EDTMesoscale DiscussionSPCChester, Chesterfield, Darlington, Dillon, Lancaster, Marlboro and 1 more57 min

Nearby

Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in South Carolina, 2008Every mesoscale discussion in 2008

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.