Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 55, NWS Greenville-Spartanburg, SC

May 9, 2002Anderson County, South Carolina; Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 9, 2002, 7:03 PM EDT for Anderson County, South Carolina; Elbert County, Hart County, Georgia. It was in force for 27 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 9, 2002, 7:03 PM EDT (23:03 UTC)
Expired
May 9, 2002, 7:30 PM EDT
In force
27 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Elbert County, GA, Hart County, GA, Anderson County, SC

The radar

The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 23:06 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.

What was reported inside it

TimeReportWhereRemark
May 9, 7:09 PM EDTThunderstorm Wind 50 EElberton, GASome trees and powerlines were blown down.
May 9, 7:10 PM EDTThunderstorm Wind 50 EHartwell, GASome trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 189 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 2002-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
45 J/kg
Mixed-layer CIN
-315 J/kg
Mixed-layer LCL
929 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KGSP 092303
SVRGSP
GAC105-147-SCC007-092330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
703 PM EDT THU MAY 9 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HART COUNTY IN NORTHEAST GEORGIA
  NORTHEAST ELBERT COUNTY IN NORTHEAST GEORGIA
  SOUTH CENTRAL ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 730 PM EDT

* AT 701 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 5 MILES SOUTHEAST OF HARTWELL...OR ABOUT OVER
  NUBERG...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STARR AT 710 PM EDT.
  IVA AT 715 PM EDT.

THIS STORM HAS PRODUCED WIDESPREAD WIND DAMAGE IN HART COUNTY. WIND 
GUSTS TO 70 MPH ARE LIKELY WITH THIS STORM. 

SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE
WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE
HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

$$

LANE

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 9, 5:15 PM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, May 9, 5:15 PM EDT, 1 hour 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
515 PM EDT THU MAY 9 2002

WL UPDATE ZONES TO REMOVE SVR TSTM WATCH. WL ALSO GO LIKELY POPS IN
THE NE GA ZONES AND THE SRN PART OF THE UPSTATE AS THIS IS THE ONLY
AREA WHICH HAS NOT MIXED OUT THIS AFTN...AND TSRA LOOK LIKE THEY WL
SURVIVE THEIR TRIP ACROSS THE SAVANNAH RIVER VALLEY.

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

MCAVOY

In the hours before

Special weather statement, May 9, 5:33 PM EDT, 1 hour 30 minutes before
GAZ018-026-028-029-SCZ010-011-092230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
533 PM EDT THU MAY 9 2002

...STRONG THUNDERSTORMS OVER NORTHEAST GEORGIA AND THE WESTERN SOUTH
CAROLINA UPSTATE...

AT 535 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS OVER NORTHEAST GEORGIA. THE LINE WILL MOVE EAST AT 35
MPH...AND AFFECT AREAS FROM CLARKESVILLE TO TOCCOA AND CARNESVILLE
BY 615 PM. THIS WILL ALSO INCLUDE MUCH OF LAKE HARTWELL.

WINDS OF 40 MPH...TORRENTIAL RAIN...FREQUENT CLOUD TO GROUND
LIGHTNING AND SMALL HAIL WILL ACCOMPANY THE LINE. IF THE STORMS
CONTINUE TO STRENGTHEN...THEY MAY REACH SEVERE LIMITS WITH LARGE
HAIL AND DAMAGING WIND.

STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER
INFORMATION.

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 6:41 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg49 min
May 9, 7:12 PM EDTSevere Thunderstorm WarningGSPAbbeville33 min
May 9, 7:22 PM EDTSevere Thunderstorm WarningGSPCherokee38 min
May 9, 7:49 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood41 min
May 9, 6:19 PM EDTSevere Thunderstorm WarningGSPFranklin11 min
May 9, 6:35 PM EDTSevere Thunderstorm WarningGSPHart25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.