Alert archive / Georgia / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 299

May 13, 20028 counties in Alabama; 54 counties in Georgia; 16 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2002, 12:00 PM CDT for 8 counties in Alabama; 54 counties in Georgia; 16 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2002, 12:00 PM CDT (17:00 UTC)
Expired
May 13, 2002, 5:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 78 counties

Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, DeKalb County, AL, Etowah County, AL, Jackson County, AL, Marshall County, AL, St. Clair County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Columbia County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Elbert County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Hart County, GA, Henry County, GA, Jackson County, GA, Lincoln County, GA, Lumpkin County, GA, Madison County, GA, McDuffie County, GA, Morgan County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Stephens County, GA, Taliaferro County, GA, Towns County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Cherokee County, SC, Edgefield 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 Atlanta radar (KFFC), 117 km from the middle of the area, began a volume at 16:59 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.

Warnings issued inside it

31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 13, 12:03 PM CDTSevere Thunderstorm WarningBMXJackson42 min
May 13, 12:10 PM CDTSevere Thunderstorm WarningBMXDeKalb, Marshall50 min
May 13, 12:31 PM CDTSevere Thunderstorm WarningFFCDade, Walker44 min
May 13, 12:51 PM CDTSevere Thunderstorm WarningBMXCherokee24 min
May 13, 2:04 PM CDTSevere Thunderstorm WarningFFCCherokee26 min
May 13, 2:09 PM CDTSevere Thunderstorm WarningFFCFannin, Gilmer, Lumpkin, Towns, Union36 min
May 13, 2:23 PM CDTSevere Thunderstorm WarningFFCFulton22 min
May 13, 2:24 PM CDTSevere Thunderstorm WarningFFCDawson, Forsyth, Hall36 min
May 13, 2:27 PM CDTSevere Thunderstorm WarningFFCCobb, Fulton33 min
May 13, 2:37 PM CDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett38 min
May 13, 2:41 PM CDTSevere Thunderstorm WarningFFCClayton, Fayette34 min
May 13, 2:44 PM CDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett31 min
May 13, 2:51 PM CDTSevere Thunderstorm WarningGSPOconee39 min
May 13, 2:54 PM CDTSevere Thunderstorm WarningFFCBanks, Barrow, Jackson36 min
May 13, 2:59 PM CDTSevere Thunderstorm WarningFFCBanks, Barrow, Jackson31 min
May 13, 3:11 PM CDTSevere Thunderstorm WarningGSPFranklin34 min
May 13, 3:20 PM CDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee, Walton40 min
May 13, 3:20 PM CDTSevere Thunderstorm WarningGSPAnderson, Pickens40 min
May 13, 3:23 PM CDTSevere Thunderstorm WarningFFCClarke, Madison, Oconee, Walton37 min
May 13, 3:26 PM CDTSevere Thunderstorm WarningGSPHart34 min
May 13, 3:39 PM CDTSevere Thunderstorm WarningFFCOglethorpe36 min
May 13, 3:53 PM CDTSevere Thunderstorm WarningGSPGreenville27 min
May 13, 4:00 PM CDTSevere Thunderstorm WarningGSPSpartanburg25 min
May 13, 4:01 PM CDTSevere Thunderstorm WarningGSPSpartanburg24 min
May 13, 4:11 PM CDTSevere Thunderstorm WarningGSPCherokee34 min
May 13, 4:16 PM CDTSevere Thunderstorm WarningGSPLaurens14 min
May 13, 4:17 PM CDTSevere Thunderstorm WarningFFCOglethorpe, Wilkes28 min
May 13, 4:45 PM CDTSevere Thunderstorm WarningCAEFairfield, Newberry, Saluda45 min
May 13, 4:46 PM CDTSevere Thunderstorm WarningFFCGreene, Taliaferro29 min
May 13, 4:50 PM CDTSevere Thunderstorm WarningGSPGreenwood10 min
May 13, 4:52 PM CDTSevere Thunderstorm WarningCAELincoln38 min

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.0 hours before the alert went out and 115 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 2002-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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, Peachtre/Fal Fld, GA at 12:00Z on 2002-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
397 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 4:00 PM CDTSevere Thunderstorm WatchSPCBaldwin, Bibb, Bleckley, Burke, Butts, Candler and 45 more5 hr
May 13, 6:15 PM CDTSevere Thunderstorm WatchSPCBulloch, Candler, Effingham, Evans, Jenkins, Montgomery and 3 more5 hr

Nearby

Severe Thunderstorm Watches in Georgia, 2002Severe Thunderstorm Watches in South Carolina, 2002Severe Thunderstorm Watches in Alabama, 2002Every severe thunderstorm watch in 2002

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.