Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 179, NWS Greenville-Spartanburg, SC

August 26, 2000York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 26, 2000, 12:27 AM EDT for York County, South Carolina. It was in force for 63 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
Aug 26, 2000, 12:27 AM EDT (04:27 UTC)
Expired
Aug 26, 2000, 1:30 AM EDT
In force
63 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County York County, SC

The radar

The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 04:31 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.5 hours before the alert went out and 169 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.

000 
WUUS52 KGSP 260427
SVRGSP
SCC091-260530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1227 AM EDT SAT AUG 26 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 130 AM EDT

* AT 1227 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 7 MILES NORTHEAST
  OF YORK...OR ABOUT 6 MILES WEST OF TEGA CAY...MOVING SOUTH AT 10
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TEGA CAY AT 1235 AM EDT
  ROCK HILL AT 1255 AM EDT
  CATAWBA AT 130 AM EDT

ALXTHOUGH LARGE HAIL IS THE BIGGEST THREAT WITH THIS SEVERE
THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR.

$$

MOYER

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, 11:34 PM EDT, 53 minutes earlier.

Area forecast discussion, Aug 25, 11:34 PM EDT, 53 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
1134 PM EDT FRI AUG 25 2000

THUNDERSTORMS STILL FIRING VICINTY OF WELL-DEFINED 500 MB THERMAL
TROUGH AND LOW-LEVEL MOISTURE CONVERGENCE AXIS. LAPS SOUNDINGS SHOW
I-85 CORRIDOR FROM NE GA TO CLT STILL MODERATELY UNSTABLE WITH CAPES
1000 TO 2000. MID-LEVEL FLOW 30 TO 35 KTS HAS BEEN ALLOWING FOR SOME
ORGANIZATION OF STORMS...YIELDING A FEW SEVERE REPORTS. 00Z ETA
SHOWS VARIOUS VORT LOBES OR MAXES STILL TO CROSS THE AREA OVERNIGHT
AND PLACES MUCH OF CWA IN LEFT EXIT REGION OF NORTH SOUTH ORIENTED
UPR JET. WILL UPDATE ZONES TO TAKE OUT MIDNIGHT WORDING AND REALIGN
AND ADJUST POPS.

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

MOYER

In the hours before

Local storm report, Aug 25, 7:51 PM EDT, 4 hours 36 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, 2 hours 28 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
Local storm report, Aug 25, 10:36 PM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1036 PM EDT FRI AUG 25 2000

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

1032 PM    6 N GAFFNEY               SC   1.00 INCH HAIL
08/25/00   CHEROKEE                       DIME TO QUARTER SIZE HAIL
                                          REPORTED BY EOC.

BWM
Local storm report, Aug 25, 10:39 PM EDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1039 PM EDT FRI AUG 25 2000

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

1020 PM    5 SW SHELBY               NC   .75 INCH HAIL
08/25/00   CLEVELAND                      DIME SIZE HAIL FELL AT
                                          THE SHELBY AIRPORT.
                                          REPORT FROM CLEVELAND
                                          COUNTY 911.

BWM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 10:17 PM EDTSevere Thunderstorm WarningGSPCherokee43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.