Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 132, NWS Greenville-Spartanburg, SC

June 6, 2002Cherokee County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 6, 2002, 6:58 PM EDT for Cherokee County, York County, South Carolina. It was in force for 62 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: Jun 6, 2002, 6:58 PM EDT (22:58 UTC)
Expired: Jun 6, 2002, 8:00 PM EDT
In force: 62 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

Counties Cherokee County, SC, York County, SC

The radar

The Greer radar (KGSP), 76 km from the middle of the area, began a volume at 23:00 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

Time	Report	Where	Remark
Jun 6, 7:05 PM EDT	Thunderstorm Wind 50 E	Blacksburg, SC	Several trees were blown down.
Jun 6, 7:05 PM EDT	Hail 0.75	Blacksburg, 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, 11.0 hours before the alert went out and 181 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: 1022 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 772 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 54 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 062258
SVRGSP
SCC021-091-070000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
658 PM EDT THU JUN 6 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 658 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 9 MILES EAST OF GAFFNEY...OR ABOUT 4 MILES SOUTH OF
  BLACKSBURG...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SMYRNA AT 700 PM EDT.
  KINGS MOUNTAIN STATE PARK AT 710 PM EDT.
  YORK AT 715 PM EDT.
  CLOVER AT 720 PM EDT.
  LAKE WYLIE AT 730 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.

$$

MOORE

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 Jun 6, 2:08 PM EDT, 4 hours 50 minutes earlier.

Area forecast discussion, Jun 6, 2:08 PM EDT, 4 hours 50 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
208 PM EDT THU JUN 6 2002

LL MOIST FLOW CONT AS UPPER SHRTWV TROF APPROACHES CWA. SHWRS DVLPNG
THIS AFTN WILL CONT MOVG THRU UNTIL UPPER TROF AND SFC FRONT MOVE
THRU MOST OF TONIGHT. MDLS IN BETTER AGREEMENT WITH 12Z RUN BUT ETA
IS A BIT MORE PROGRESSIVE WITH FROPA WHILE AVN SLOWS FRONT THRU S
PART OF CWA. WILL MAINTAIN SLIGHTLY HIGHER POPS ACROSS SE WITH MOST
PRECIP ENDING AROUND MIDNIGHT. FRI THRU MON WILL BE COOLER AND DRYER
AS HIGH PRES BUILDS IN FROM THE N-NE...THEN ANOTHER FRONT IS FCST TO
AFFECT AREA LATE WED INTO THU.

FCSTID = 77
GSP   68  86  65  82 /  60  20  10  20
AND   69  87  66  83 /  60  20  10  20
CLT   67  83  62  80 /  60  20  10  10
HKY   64  81  59  76 /  40  20  10  10
AVL   61  77  59  75 /  50  10  10  20

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

RB

In the hours before

Local storm report, Jun 6, 3:24 PM EDT, 3 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
324 PM EDT THU JUN 06 2002

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

318 PM     3 S MORGANTON             NC   .75 INCH HAIL
06/06/02   BURKE                          SPOTTER REPORT.

55

Local storm report, Jun 6, 3:32 PM EDT, 3 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
332 PM EDT THU JUN 06 2002

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

325 PM     MORGANTON                 NC   WIND DAMAGE
06/06/02   BURKE                          EOC REPORTED TREES AND
                                          POWERLINES DOWN.

RB

Nearby

Severe Thunderstorm Warnings in South Carolina, 2002 Every severe thunderstorm warning in 2002

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.