Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 31, NWS Greenville-Spartanburg, SC

June 3, 2001Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 3, 2001, 4:52 PM EDT for Laurens County, South Carolina. It was in force for 38 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: Jun 3, 2001, 4:52 PM EDT (20:52 UTC)
Expired: Jun 3, 2001, 5:30 PM EDT
In force: 38 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Laurens County, SC

The radar

The Greer radar (KGSP), 49 km from the middle of the area, began a volume at 20:56 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 3, 5:15 PM EDT	Thunderstorm Wind 50 E	Cross Hill, SC	A couple of trees were blown down near Lake Greenwood.

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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.9 hours before the alert went out and 256 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: 765 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1354 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KGSP 032053
SVRGSP
SCC059-032130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
452 PM EDT SUN JUN 3 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 451 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 13 MILES NORTHWEST
  OF GREENWOOD...OR ABOUT 12 MILES WEST OF WATERLOO...MOVING EAST 
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WATERLOO AT 500 PM EDT
  LAURENS AT 505 PM EDT
  CROSS HILL AT 510 PM EDT
  CLINTON AT 520 PM EDT
  JOANNA AT 525 PM EDT

ANOTHER STRONG STORM DEVELOPING NEAR GRAY COURT MAY ALSO BECOME 
SEVERE...AND AFFECT THE LAURENS AND CLINTON AREAS A LITTLE LATER.

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.

$$
MCAVOY/JONES

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 3, 2:22 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jun 3, 2:22 PM EDT, 2 hours 30 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
222 PM EDT SUN JUN 3 2001

ELEVATED CONVECTION ACROSS NRN GA APPEARS TO BE MAKING GOOD PROGRESS
TOWARD UPSTATE.  DEWPOINTS REMAIN IN 50S OVER MAJOR PORTION OF FA
BUT SOUTHERN ZONES IN RICHER LOW/MID 60S DEW PT AIR.  BETTER
INSTABILITY SOUTH OF I85 SO IF STORMS SURVIVE TRIP THROUGH
DRIER...MORE STABLE AREAS...SHOULD SEE SOME INCREASED ACTIVITY IN
SRN ZONES LATER THIS EVENING.  FOR NOW... WILL PLACE 30 PERCENT IN
WESTERN COUNTIES FOR THE EVENING PERIOD.  WARM FRONT WILL CONTINUE
TO MOVE NORTH OVER MS VALLEY REGION AND EVENTUALLY ACROSS TN VALLEY
AND WRN CAROLINAS.  BY MONDAY MORNING...MUCH OF FA WILL BE WELL INTO
WARM SECTOR.  SCATTERED DIURNAL CONVECTION APPEARS TO BE THE
SCENARIO TO WATCH NEXT 3 DAYS WITH LITTLE IF ANY SHORT WAVE TROUGHS
TO PROVIDE MUCH LIFT.  LEFTOVER BOUNDARIES FROM DAILY CONVECTION
COULD PROVIDE FOCUS ANYWHERE IN FA.  SHOTGUNNED CHANCE POPS ACROSS
FA THROUGH WED.  ON THURSDAY...STRONG VORT MAX DIGS TROUGH TOWARD
WRN CAROLINAS.  MOISTURE FROM WIDE OPEN GULF WILL BE IN PLACE FOR
FRONT TO PRODUCE BETTER ORGANIZED LINE OF THUNDERSTORMS.  END OF
WEEK SHOULD BE DRY AND ONLY SLIGHTLY COOLER.                DELGADO

FCSTID = 11
GSP   63  88  67  87 /   0  40  40  40
AND   63  88  67  87 /   0  40  40  40
CLT   63  88  67  87 /   0  40  40  40
HKY   60  81  65  85 /   0  40  40  40
AVL   56  82  61  81 /  30  40  40  40

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 4:25 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville	35 min
Jun 3, 4:44 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	46 min

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; radar from the NEXRAD Level II archive.