Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 310, NWS Greenville-Spartanburg, SC

July 21, 2008Elbert County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 21, 2008, 7:17 PM EDT for Elbert County, Georgia. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 21, 2008, 7:17 PM EDT (23:17 UTC)
Expired
Jul 21, 2008, 8:01 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Elbert County, GA

What was reported inside it

TimeReportWhereRemark
Jul 21, 7:30 PM EDTTSTM WND DMGElberton, GANUMEROUS TREES AND POWERLINES DOWN IN AND AROUND ELBERTON. ALSO PEA SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 166 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 2008-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1330 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2008-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
1330 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
28 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.

000 
WUUS52 KGSP 212317
SVRGSP
GAC105-220015-
/O.NEW.KGSP.SV.W.0310.080721T2317Z-080722T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
717 PM EDT MON JUL 21 2008

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN ELBERT COUNTY IN NORTHEAST GEORGIA

* UNTIL 815 PM EDT

* AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 4 MILES
  WEST OF ELBERTON...AND WAS MOVING SOUTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL CENTRAL ELBERT COUNTY AT 730 PM EDT
  RURAL SOUTHERN ELBERT COUNTY AT 740 PM EDT

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3397 8282 3398 8283 3398 8286 3399 8288
      3400 8293 3403 8295 3406 8301 3410 8304
      3418 8304 3418 8282 3397 8278
TIME...MOT...LOC 2317Z 358DEG 8KT 3409 8292

$$
1 follow-up statement
000 
WWUS52 KGSP 220001
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
800 PM EDT MON JUL 21 2008

GAC105-220010-
/O.CAN.KGSP.SV.W.0310.000000T0000Z-080722T0015Z/
ELBERT GA-
800 PM EDT MON JUL 21 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ELBERT COUNTY IS
CANCELLED...

AT 800 PM...NATIONAL WEATHER SERVICE INDICATED THAT THE PREVIOUSLY 
SEVERE THUNDERSTORMS OVER ELBERT COUNTY HAD WEAKENED BELOW SEVERE 
LIMITS. ADDITIONAL HEAVY RAINFALL AND FREQUENT 
LIGHTNING...HOWEVER...CAN BE EXPECTED.

LAT...LON 3397 8282 3398 8283 3398 8286 3399 8288
      3400 8293 3403 8295 3406 8301 3410 8304
      3418 8304 3418 8282 3397 8278
TIME...MOT...LOC 0000Z 358DEG 8KT 3399 8292

$$
HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 2:38 PM EDTHeat AdvisoryGSPElbert, Franklin, Hart24 hr
Jul 21, 5:30 PM EDTSevere Thunderstorm WarningGSPHabersham, Rabun, Stephens40 min
Jul 21, 6:11 PM EDTSevere Thunderstorm WarningGSPHart51 min
Jul 21, 6:43 PM EDTSevere Thunderstorm WarningGSPHabersham, Rabun, Stephens62 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.