Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 134, NWS Greenville-Spartanburg, SC

August 4, 2000Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 4, 2000, 2:04 PM EDT for Oconee County, South Carolina. It was in force for 41 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
Aug 4, 2000, 2:04 PM EDT (18:04 UTC)
Expired
Aug 4, 2000, 2:45 PM EDT
In force
41 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Oconee County, SC

What was reported inside it

TimeReportWhereRemark
Aug 4, 2:25 PM EDTThunderstorm Wind 55 ESalem, SCFive trees and a few power lines were blown down, mainly in town.
Aug 4, 2:25 PM EDTHail 0.75Salem, 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.1 hours before the alert went out and 203 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 2000-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 821 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 2000-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
821 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
11 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 041804
SVRGSP
SCC073-041845-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
204 PM EDT FRI AUG 4 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 245 PM EDT

* AT 204 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 7 MILES NORTHEAST
  OF WALHALLA...OR ABOUT 3 MILES SOUTH OF SALEM...MOVING SOUTHEAST AT
  5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SENECA AT 245 PM EDT

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SpHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM.

$$

MCAVOY

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 4, 9:15 AM EDT, 4 hours 49 minutes earlier.

Area forecast discussion, Aug 4, 9:15 AM EDT, 4 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
915 AM EDT FRI AUG 4 2000

OUTSIDE OF SOME CLEANUP OF THE EXTENDED...NO REAL CHANGES XPCTD IN
10 AM PACKAGE.  MAY TWEAK MINS TO BE CONSISTENT WITH THIS MORNINGS
LOWS.

THUNDERSTORM THREAT THIS AFTERNOON AND EVENING REMAINS.  WHILE FLOODING IS
OUR PRIMARY CONCERN...THE MID LEVEL DRYING CREATES HIER POTENTIAL
FOR WIND GUSTS.

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

DICARLO

In the hours before

Special weather statement, Aug 4, 12:45 PM EDT, 1 hour 19 minutes before
NCZ033>035-048>056-058-059-062>070-SCZ001>010-012>014-050100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1245 PM EDT FRI AUG 4 2000

THUNDERSTORMS ARE MOVING INTO THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA THIS AFTERNOON.  THESE THUNDERSTORMS CONTAIN VERY HEAVY RAIN
...FREQUENT LIGHTNING AND HAVE THE POTENTIAL FOR STRONG GUSTY WINDS
AND SMALL HAIL.  WHILE MOST OF THESE STORMS ARE NOT EXPECTED TO MEET
SEVERE STORM CRITERIA...IT IS POSSIBLE THAT A FEW MIGHT REACH SEVERE
LEVELS AS WELL AS PRODUCE LOCALIZED FLOODING.

PEOPLE...PARTICULARLY MOTORISTS SHOULD BE ALERT TO THUNDERSTORM
HAZARDS AS THESE THUNDERSTORMS DEVELOP OVER THE AREA THROUGHOUT THE
AFTERNOON AND EVENING.

STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR MORE INFORMATION ON
THIS SEVERE WEATHER SITUATION.

DICARLO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 2:56 PM EDTSevere Thunderstorm WarningGSPSpartanburg64 min
Aug 4, 5:31 PM EDTSevere Thunderstorm WarningGSPAbbeville44 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.