Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 130, NWS Greenville-Spartanburg, SC

July 28, 2000Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 28, 2000, 5:14 PM EDT for Spartanburg County, South Carolina. It was in force for 31 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: Jul 28, 2000, 5:14 PM EDT (21:14 UTC)
Expired: Jul 28, 2000, 5:45 PM EDT
In force: 31 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Spartanburg County, SC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

766 
WUUS52 KGSP 282115
SVRGSP
SCC083-282145-

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 514 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 10 MILES EAST OF GREENVILLE...OR ABOUT 5 MILES
  SOUTHWEST OF DUNCAN...MOVING SOUTHWEST AT 10 MPH.

   THIS STORM WILL BE NEAR GREER AT 520 PM

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.

$$

JAT

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, 2 hours 32 minutes earlier.

Area forecast discussion, Jul 28, 2:42 PM EDT, 2 hours 32 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.

In the hours before

Local storm report, Jul 28, 5:14 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
514 PM EDT FRI JUL 28 2000

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

513 PM     GREER                     SC   .75 INCH HAIL
07/28/00   SPARTANBURG                    DIME SIZE HAIL AT GSP
                                          AIRPORT

NEAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 2:58 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	32 min
Jul 28, 4:36 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	39 min
Jul 28, 5:10 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	35 min
Jul 28, 5:42 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	48 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every 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.