Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 143, NWS Greenville-Spartanburg, SC

June 27, 2002Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2002, 11:08 PM EDT for Anderson County, South Carolina. It was in force for 37 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
Jun 27, 2002, 11:08 PM EDT (03:08 UTC)
Expired
Jun 27, 2002, 11:45 PM EDT
In force
37 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Anderson County, SC

The radar

The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 03:10 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 00:00Z, 3.1 hours before the alert went out and 214 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 00:00Z on 2002-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 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 00:00Z on 2002-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1134 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1296 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 280308
SVRGSP
SCC007-280345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1107 PM EDT THU JUN 27 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 1145 PM EDT

* AT 1107 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH DAMAGING WINDS 5 MILES NORTHEAST OF ANDERSON...OR
  ABOUT 7 MILES NORTHWEST OF BELTON...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WILLIAMSTON AT 1120 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.
$$
HG

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 Jun 27, 9:10 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jun 27, 9:10 PM EDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
910 PM EDT THU JUN 27 2002

RADAR/SATELLITE IMAGERY INDICATE MCS ACROSS WEST CENTRAL GA MAKING
STEADY PROGRESS TOWARD THE WESTERN CAROLINAS. ALTHOUGH CLOUD TOP
TEMPS CONTINUE TO WARM IN ASSOCIATION WITH THIS COMPLEX...MCS WILL
HOLD TOGETHER TO AFFECT NORTHEAST GEORGIA...WESTERN UPSTATE...AND
PROBABLY SOUTHERN NC MOUNTAINS. WILL ISSUE UPDATE TO BUMP POPS TO
LIKELY IN ABOVE AREAS. WITH WANING INSTABILITY...AM NOT CONFIDENT ON
HOW FAR NORTHEAST INTO OUR CWA MCS WILL TRACK...AND WILL KEEP POPS
IN THE CHANCE RANGE ACROSS THE NORTH CAROLINA PIEDMONT AND NORTHERN
FOOTHILLS. OTHERWISE...FORECAST IS IN GOOD SHAPE.

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

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 11:21 PM EDTSevere Thunderstorm WarningGSPGreenville39 min

Nearby

Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.