Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 128, NWS Greenville-Spartanburg, SC

July 28, 2000Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 28, 2000, 4:36 PM EDT for Spartanburg County, South Carolina. It was in force for 39 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
Jul 28, 2000, 4:36 PM EDT (20:36 UTC)
Expired
Jul 28, 2000, 5:15 PM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Spartanburg County, SC

What was reported inside it

TimeReportWhereRemark
Jul 28, 5:13 PM EDTHail 0.75Grnvl Sprtnbrg Arpt, 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 12:00Z, 8.6 hours before the alert went out and 228 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 12:00Z on 2000-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
249 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-8 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.

925 
WUUS52 KGSP 282035
SVRGSP
SCC083-282115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
436 PM EDT FRI JUL 28 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 515 PM EDT

* AT 434 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 8 MILES NORTHWEST OF SPARTANBURG...OR ABOUT 4 MILES
  NORTHEAST OF WELLFORD...MOVING NORTHEAST AT 2 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPARTANBURG AT 440 PM EDT
  INMAN AT 440 PM EDT
  BOILING SPRINGS AT 440 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.

$$

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 Jul 28, 2:42 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jul 28, 2:42 PM EDT, 1 hour 54 minutes before
SCZ001>014-019-NCZ033>037-048>059-062>072-082-GAZ010-017-018-026-028-
029-290031-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EDT FRI JUL 28 2000

SCATTERED CONVECTIVE COVERAGE TO PERSIST INTO TONIGHT AS SHORTWAVE
INFLUENCES REGION. AREA IN NVA SAT AND SAT NIGHT...WITH FRONT STILL
OFF TO W. LOW LEVEL FLOW STRENGTHENS AND BACKS SAT PRODUCING A
SLIGHT UPSLOPE COMPONENT. ENOUGH MOISTURE BELOW 700 MB FOR 30 POP
AREA WIDE SAT AND SAT NIGHT. BY SUN FRONT AND ASSOCIATED LOW LEVEL
CONVERGENCE/MOISTURE MOVE INTO E TN. NGM AGAIN TRIES TO DEEPEN
MOISTURE ON DAY TWO...LIKE IT HAS THE PAST TWO DAYS. WILL INCREASE
POPS SUN...BUT NOT BY MUCH. NO CHANGE IN AIR MASS...SO TEMPERATURES
CLOSE TO PERSISTENCE IN ORDER...WITH CHANGES SUN-TUE AS REMAINS OF
FRONT NEAR MOUNTAINS AND CLOUD COVER LIMITS DIURNAL TEMPERATURE
RANGE.

FCSTID = 7
GSP   68  90  69  89 /  40  30  30  40
AND   69  91  69  90 /  40  30  30  40
CLT   67  89  68  88 /  40  30  30  40
HKY   67  88  68  88 /  40  30  30  40
AVL   65  85  65  84 /  50  30  30  40

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 2:58 PM EDTSevere Thunderstorm WarningGSPGreenwood32 min
Jul 28, 5:10 PM EDTSevere Thunderstorm WarningGSPGreenville35 min
Jul 28, 5:14 PM EDTSevere Thunderstorm WarningGSPSpartanburg31 min
Jul 28, 5:42 PM EDTSevere Thunderstorm WarningGSPGreenville48 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.