Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 60, NWS Greenville-Spartanburg, SC

May 10, 2002Habersham County, Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 10, 2002, 4:59 PM EDT for Habersham County, Rabun County, Georgia. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2002, 4:59 PM EDT (20:59 UTC)
Expired
May 10, 2002, 5:25 PM EDT
In force
26 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Habersham County, GA, Rabun County, GA

The radar

The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 21:01 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 181 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 2002-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 438 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 2002-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
438 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1138 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
102 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 102059
SVRGSP
GAC137-241-102125-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 PM EDT FRI MAY 10 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN RABUN COUNTY IN NORTHEAST GEORGIA
  NORTHERN HABERSHAM COUNTY IN NORTHEAST GEORGIA

* UNTIL 525 PM EDT

* AT 458 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 9 MILES NORTH OF CLARKESVILLE...OR ABOUT 5 MILES
  NORTHWEST OF TURNERVILLE...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TURNERVILLE AT 500 PM EDT.
  LAKEMONT AT 505 PM EDT.
  TALLULAH FALLS AT 510 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.

$$

JDL/RB

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 10, 2:18 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, May 10, 2:18 PM EDT, 2 hours 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
218 PM EDT FRI MAY 10 2002

FRONTAL BOUNDARY STRETCHED ACROSS S FCST AREA IS HELPING KEEP
CONVECTION GOING THIS AFTN AND WILL CONT THIS EVE. SO FAR THERE HAVE
BEEN NO SEVERE STORMS AND WITH INCREASED CLOUD COVER KEEPING TEMPS
DOWN A BIT...SEVERE OCCURRENCE IS LESS LIKELY. STILL VERY
MOIST...FAIRLY UNSTABLE AIR WITH CAPE FROM 600 TO 1800 ACROSS AREA
AND LI AROUND -4. S PART OF CWA IS PRIMED FOR PSBL STRONGER STORMS.

AS COLD FRONT PUSHES FURTHER S AND E...HIGH PRES BUILDS IN FROM
N..FORMING A WEDGE-TYPE SITUATION OVER PIEDMONT/LOWER FOOTHILLS
SATURDAY KEEPING TEMPS COOL. ON SAT NIGHT BOUNDARY PUSHES NORTH AND
TEMPS WILL REBOUND ON SUN. THEN A COLD FRONT IS EXPECTED TO PUSH
BACK THROUGH AREA MON/MON NGT WITH ANOTHER ROUND OF SHWRS AND COOLER
TEMPS BEHIND IT FOR THE REST OF THE WEEK.

FCSTID = 77
GSP   62  74  63  87 /  60  60  20  20
AND   63  75  64  88 /  60  60  20  20
CLT   61  72  62  87 /  60  60  20  20
HKY   59  69  62  85 /  60  50  20  20
AVL   55  69  55  79 /  60  50  20  20

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

RB

In the hours before

Local storm report, May 10, 2:50 PM EDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
250 PM EDT FRI MAY 10 2002

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

230 PM     GREAT FALLS               SC   1.75 INCH HAIL
05/10/02   CHESTER                        QUARTER TO GOLF BALL SIZE
                                          HAIL REPORTED BY GREAT
                                          FALLS POLICE

PT

Nearby

Severe Thunderstorm Warnings in Georgia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.