Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 97, NWS Greenville-Spartanburg, SC

July 5, 2001Laurens County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 5, 2001, 5:59 PM EDT for Laurens County, Spartanburg County, South Carolina. It was in force for 46 min. 3 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: Jul 5, 2001, 5:59 PM EDT (21:59 UTC)
Expired: Jul 5, 2001, 6:45 PM EDT
In force: 46 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

Counties Laurens County, SC, Spartanburg County, SC

What was reported inside it

Time	Report	Where	Remark
Jul 5, 6:10 PM EDT	Thunderstorm Wind 65 E	Moore, SC	Wind damage occurred at the construction site of Dorman High School, at the intersection of Interstate 26 and U.S. 221. A construction trailer was damaged, debris scattered and a 1000-pound roof vent was removed and rolled a short distance. Trees were felled i
Jul 5, 6:25 PM EDT	Thunderstorm Wind 60 E	Woodruff, SC	Numerous large trees were blown down across roads. County officials reported that Public Works crews were out all night cleaning up.
Jul 5, 6:30 PM EDT	Thunderstorm Wind 50 E	Fountain Inn, SC	General public report of a few trees down just south of the Spartanburg County line.

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, 10.0 hours before the alert went out and 244 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 939 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 48 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.

230 
WUUS52 KGSP 052159
SVRGSP
SCC059-083-052245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
559 PM EDT THU JUL 5 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 559 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 14 MILES SOUTHWEST OF SPARTANBURG...OR ABOUT 5 MILES
  NORTHWEST OF WOODRUFF...MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WOODRUFF AT 610 PM EDT
  ENOREE AT 630 PM EDT
  ORA AT 645 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.

$$
07

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 5, 3:23 PM EDT, 2 hours 36 minutes earlier.

Area forecast discussion, Jul 5, 3:23 PM EDT, 2 hours 36 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
323 PM EDT THU JUL 5 2001

MODELS WERE SHOWING A WEAK BOUNDARY AND BAND OF MOISTURE WORKING
SOUTHEAST THROUGH THE CWA OVERNIGHT. SOME WEAK DPVA...OMEGA AND
DIVERGENCE SHOULD ACCOMPANY THE PASSAGE. THIS AREA BECOMING QUITE
UNSTABLE LATE THIS AFTERNOON AND EARLY EVENING...ESPECIALLY SOUTH
WITH CAPES AROUND 2000 J/KG AND LI'S TO -5. LAPSE RATES BELOW 600 MB
WILL ALSO EXCEED 8 DEGREES/KM OVER MUCH OF THE AREA FOR SEVERAL
HOURS.

SCATTERED CONVECTION ALREADY BEGINNING OVER AND NEAR THE MOUNTAINS
AND THIS WILL SPREAD SOUTHEAST THROUGH THE EVENING. HAVE CONTINUED
THE CHANCE THROUGH THE OVERNIGHT OVER SOUTHERN SECTIONS EVEN THOUGH
SOME STABILIZATION WILL OCCUR AFTER DARK... DUE TO THIS MODEL RUN
SLOWING THE PASSAGE OF THE UPPER DISTURBANCE.

DRIER AIR WILL OVERSPREAD THE CWA ON FRIDAY AS UPPER RIDGING NOSES
IN FROM THE WEST. THIS WILL HOLD THROUGH SATURDAY... BUT WEAK
DISTURBANCES ROUNDING THE UPPER RIDGING WILL BEGIN TO WORK THEIR WAY
BACK INTO THE AREA LATE IN THE WEEKEND.

ANOTHER BOUNDARY WILL DROP INTO THE AREA LATE SUNDAY AND MONDAY WITH
A THIRD COMING IN ABOUT THURSDAY. THIS WILL HELP AID IN DEVELOPING
SCATTERED SHOWERS AND STORMS.

FCSTID = 69
GSP   69  90  68  92 /  40  10   0   0
AND   69  91  68  93 /  40  10   0   0
CLT   70  89  67  91 /  50  10   0   0
HKY   64  88  65  90 /  30  10   0  10
AVL   60  84  59  86 /  40  10   0  10

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

RBN

In the hours before

Special weather statement, Jul 5, 5:26 PM EDT, 33 minutes before

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-060400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
526 PM EDT THU JUL 5 2001

...MORE THUNDERSTORMS WILL DEVELOP ACROSS NORTHEAST GEORGIA AND THE
WESTERN CAROLINAS THIS EVENING...

AFTERNOON HEATING AT THE SURFACE AND COOLING IN THE MID LEVELS OF
THE ATMOSPHERE HAVE DESTABILIZED THE AIR OVER THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA.  ISOLATED THUNDERSTORMS HAVE DEVELOPED AND
WILL CONTINUE INTO THE EVENING.

WIDESPREAD ACTIVITY SUCH AS THAT ON WEDNESDAY IS NOT EXPECTED.
HOWEVER...A FEW COULD BECOME SEVERE.  THE LARGER THREAT IS FROM
STRONG...DAMAGING WINDS BUT HAIL IS ALSO POSSIBLE. HEAVY RAIN COULD
CAUSE SOME FLOODING ON ROADWAYS OR LOW-LYING AREAS.

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY THIS EVENING.
DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE
AWARE OF THIS INFORMATION.

DELGADO

Local storm report, Jul 5, 5:56 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
556 PM EDT THU JUL 05 2001

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

645 PM     11 W COLUMBUS             NC   .75 INCH HAIL
07/05/01   POLK                           HAM RADIO REPORT.

JAT

Local storm report, Jul 5, 5:56 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR TIME OF EVENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
556 PM EDT THU JUL 05 2001

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

545 PM     11 W COLUMBUS             NC   .75 INCH HAIL
07/05/01   POLK                           HAM RADIO REPORT.

JAT

Nearby

Severe Thunderstorm Warnings in South Carolina, 2001 Every severe thunderstorm warning in 2001

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.