Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 178, NWS Greenville-Spartanburg, SC

August 25, 2000Cherokee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 25, 2000, 10:17 PM EDT for Cherokee County, South Carolina. It was in force for 43 min. 1 report 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
Aug 25, 2000, 10:17 PM EDT (02:17 UTC)
Expired
Aug 25, 2000, 11:00 PM EDT
In force
43 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cherokee County, SC

The radar

The Greer radar (KGSP), 58 km from the middle of the area, began a volume at 02:20 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
Aug 25, 10:32 PM EDTHail 1Gaffney, SC

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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.3 hours before the alert went out and 193 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, Greensboro/Hi Pt, NC at 00:00Z on 2000-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1547 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, Greensboro/Hi Pt, NC at 00:00Z on 2000-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1547 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

922 
WUUS52 KGSP 260217
SVRGSP
SCC021-260300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1017 PM EDT FRI AUG 25 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 1100 PM EDT

* AT 1015 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 8 MILES SOUTH OF SHELBY...OR ABOUT 4 MILES NORTH OF   
BLACKSBURG...MOVING SOUTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BLACKSBURG AT 1025 PM EDT
  GAFFNEY AT 1035 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.

A SECOND STORM APPROACHING THE CHESNEE AREA OF NORTHWEST CHEROKEE 
COUNTY COULD BECOME SEVERE A LITTLE LATER.

$$
JONES

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 Aug 25, 8:55 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Aug 25, 8:55 PM EDT, 1 hour 22 minutes before
SCZ001>014-019-NCZ033>037-048>059-062>072-082-GAZ010-017-018-026-028-
029-260055-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
855 PM EDT FRI AUG 25 2000

CWA UNDER THE INFLUENCE OF A FEW WEAK SHORTWAVES DROPPING SOUTHEAST
THROUGH 09Z. RUC SHOWS GOOD 500 MB THERMAL TROUGH PERSISTING OVER
THE AREA OVERNIGHT. GSO 00Z SOUNDING PRETTY UNSTABLE WITH CAPE
AROUND 2200 J/KG AND TOTALS ABOUT 51. SFC TROUGH FROM NEAR GREENWOOD
TO GSO HELPING TO FOCUS LOW-LEVEL MOISTURE CONVERGENCE...ALTHOUGH
WEAK. ENOUGH UPPER LEVEL SUPPORT AND STEEPER LAPSE RATES ARE
COMBINING WITH THIS WEAK CONVERGENCE TO PRODUCE SCATTERED STRONG
THUNDERSTORMS IN THE PIEDMONT OF NC. UPPER 60 DWPTS HAVE POOLED IN
THE CLT AREA. PLAN TO KEEP SCATTERED PRECIP IN ZONES OVERNIGHT FOR
FOOTHILL AND PIEDMONT COUNTIES WITH HIGHEST CHC IN NC.

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

MOYER

In the hours before

Local storm report, Aug 25, 7:51 PM EDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
751 PM EDT FRI AUG 25 2000

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

736 PM     VALE                      NC   .50 INCH HAIL
08/25/00   LINCOLN                        SPOTTER REPORT OF MARBLE
                                          SIZE HAIL

737 PM     CAT SQUARE                NC   .50 INCH H AIL
08/25/00   LINCOLN                        MARBLE SIZE HAIL REPORTED
                                          BY AMATEUR RADIO

BWM
Local storm report, Aug 25, 9:59 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
959 PM EDT FRI AUG 25 2000

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

910 PM     RUTHERFORD COLLEGE        NC   .75 INCH HAIL
08/25/00   BURKE                          DIME SIZE HAIL REPORTED
                                          BY BURKE COUNTY 911. ONE
                                          TREE WAS BLOWN DOWN ON
                                          POPLAR ROAD AT 905 PM.

915 PM     MORGANTON                 NC   .75 INCH HAIL
08/25/00   BURKE                          DIME SIZE HAIL REPORTED
                                          BY WMMC RADIO FROM THE
                                          WEST SIDE OF MORGANTON AT
                                          HIGH SCHOOL FOOTBALL
                                          GAME.

BWM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 12:27 AM EDTSevere Thunderstorm WarningGSPYork63 min
Aug 26, 1:31 AM EDTSevere Thunderstorm WarningGSPChester44 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000Every severe thunderstorm warning in 2000

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.